I am a diligent and skilled Senior Java Developer with extensive experience in Java technologies, cloud platforms, microservices, and Agile development methodologies. I enjoy mentoring and training clients and junior engineers to improve their skills and embrace best practices in software development. I am a strong problem solver with excellent communication and organizational skills, fully fluent in English, and passionate about technology and knowledge sharing. Throughout my career, I have worked on diverse projects including Warehouse Management Systems, academic journal management, CRM systems, business travel portals, and cybersecurity platforms. I am experienced with a wide range of technologies such as Spring Boot, AWS, Docker, Kubernetes, RabbitMQ, Kafka, Elasticsearch, and more, enabling me to deliver high-quality software solutions aligned with business needs.

Jadranka Stupar

I am a diligent and skilled Senior Java Developer with extensive experience in Java technologies, cloud platforms, microservices, and Agile development methodologies. I enjoy mentoring and training clients and junior engineers to improve their skills and embrace best practices in software development. I am a strong problem solver with excellent communication and organizational skills, fully fluent in English, and passionate about technology and knowledge sharing. Throughout my career, I have worked on diverse projects including Warehouse Management Systems, academic journal management, CRM systems, business travel portals, and cybersecurity platforms. I am experienced with a wide range of technologies such as Spring Boot, AWS, Docker, Kubernetes, RabbitMQ, Kafka, Elasticsearch, and more, enabling me to deliver high-quality software solutions aligned with business needs.

Available to hire

I am a diligent and skilled Senior Java Developer with extensive experience in Java technologies, cloud platforms, microservices, and Agile development methodologies. I enjoy mentoring and training clients and junior engineers to improve their skills and embrace best practices in software development. I am a strong problem solver with excellent communication and organizational skills, fully fluent in English, and passionate about technology and knowledge sharing.

Throughout my career, I have worked on diverse projects including Warehouse Management Systems, academic journal management, CRM systems, business travel portals, and cybersecurity platforms. I am experienced with a wide range of technologies such as Spring Boot, AWS, Docker, Kubernetes, RabbitMQ, Kafka, Elasticsearch, and more, enabling me to deliver high-quality software solutions aligned with business needs.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

English
Fluent
Serbian
Fluent
Bosnian
Fluent
Italian
Beginner

Work Experience

Freelancer - Senior Java Developer
November 1, 2022 - Present
Developed Warehouse Management System (WMS) for small to medium retail shops using Java, Spring Boot, Hibernate, and React. Mentored junior and mid-career engineers to improve skills in Java, Spring, REST API, microservices, AWS and Docker among other tools.
Software Engineer at Clarivate Analytics
November 30, 2022 - August 22, 2025
Worked on Manuscript Manager peer review system for academic journals. Used Java, DB2, MySQL, AWS, WildFly, Elasticsearch, Splunk, and Salesforce technologies.
Software Engineer at Hyperoptic
June 30, 2021 - August 22, 2025
Developed CRM software system for broadband provider using Java 8, REST API, MySQL, PL/SQL, Spring Boot, AngularJS, React, Elasticsearch, Docker, Kafka, AWS, GCP, Azure, Jenkins.
Senior Java Developer at DIB Travel
September 30, 2020 - August 22, 2025
Developed all-in-one business travel portal integrating external services such as Amadeus, Hotelbed.com, Booking.com, and Stripe payment platform using Java 8+, Spring Boot, REST API, MongoDB, AngularJS, Docker, Kafka, AWS, Jenkins.
Software Engineer, Senior Java Developer at Gecko Solutions
January 31, 2020 - August 22, 2025
Developed EST PKI services for certificate provisioning using Bouncy Castle Crypto APIs and Java. Worked on ecommerce site integration with Magento and payment gateways Stripe and Braintree. Developed Stackry shipping and packaging software integrating Amazon, eBay, DHL services. Utilized Java, REST, SOAP, Spring Boot, PL/SQL, Cucumber, Jenkins, Docker.
Software Support Engineer 3rd Level at EclecticIQ Platform
December 31, 2017 - August 22, 2025
Provided installation, troubleshooting, and upgrades for Cyber Threat Intelligence platform. Developed external extensions in Python and integrated with vendors like Cisco and McAfee. Technologies included Linux, AWS, Python, Node.js, PostgreSQL, Elasticsearch, Redis, Keycloak, Docker, Jenkins, Splunk.
Senior Java Developer, IT Consultant, CCS Engineer at DTA Engineering
June 30, 2017 - August 22, 2025
Team lead and full stack developer for Gambling & Lottery platform. Managed database migration and payment gateway integration (Braintree, Stripe, BitPay). Worked on Talent SW solution support and Mobile Biometric Authentication SW certified by FIDO alliance. Utilized Java, Dropwizard, PL/SQL, REST, Hibernate, Spring BE, Android apps.
Freelance Senior Java Developer
November 1, 2022 - Present
Developed Warehouse Management System tailored for small and medium-sized retail shops using Java, Spring Boot, and React. Mentored junior and mid-career engineers across a wide range of technologies including microservices, AWS, Docker, Linux, and SQL/NoSQL databases.
Software Engineer at Clarivate Analytics
November 30, 2022 - August 22, 2025
Worked on Manuscript Manager peer review system for academic journals, managing Java development with DB2, MySQL, PL/SQL, Spring framework, AWS, Elasticsearch, and Salesforce integration.
Software Engineer at Hyperoctic
June 30, 2021 - August 22, 2025
Developed CRM software systems for a fiber broadband provider using Java 8, Spring Boot, REST APIs, MySQL, PL/SQL, AngularJS, React, Elasticsearch, Docker, Kafka, and Cloud platforms (AWS, GCP, Azure).
Senior Java Developer at DIB Travel
September 30, 2020 - August 22, 2025
Led development of DIB Travel's all-in-one portal for business travel, integrating hotel booking, flights, and ground transportation. Technologies included Java 8+, Spring Boot, REST APIs, MySQL, Liquibase, MongoDB, AngularJS, Docker, Kafka, AWS, and Jenkins.
Software Engineer, Senior Java Developer at Gecko Solutions
January 31, 2020 - August 22, 2025
Developed EST PKI enrollment services using crypto APIs and Java. Worked on eCommerce web integration with Magento, Stripe, and Braintree and managed shipping software integrating Amazon, eBay, DHL. Utilized technologies: Java, REST, SOAP, Spring Boot, MySQL, Jenkins, Docker, and testing tools.
Software Support Engineer 3rd Level at EclecticIQ
December 31, 2017 - August 22, 2025
Provided 3rd level support for Cyber Threat Intelligence platform, troubleshooting and developing extensions using Python. Integrated with TI providers and managed platform installations and updates.
Senior Java Developer, IT Consultant, CCS Engineer at DTA Engineering
June 30, 2017 - August 22, 2025
Led team and full stack development of gambling & lottery platform including payment gateway integration and mobile biometric authentication using Java, Spring, Hibernate, REST, and AWS.
Java Developer & Consultant at Qualysoft Informatics
September 30, 2008 - August 22, 2025
Produced Java-based business applications for U.S. Steel Serbia and others, including track steel production and chemistry laboratory systems.
Java Senior Developer, IT Consultant at malt aNET
August 31, 2004 - August 22, 2025
Designed and developed CMS and web portal projects serving clients like AirMalta and SABRE. Developed search and indexing engines and provided customer training and support.
Senior Java Developer (Freelancer)
November 1, 2022 - Present
Developed WMS (Warehouse Management System) for small/medium retail shops using Java, Spring Boot, Hibernate, PostgreSQL, MongoDB, React, and JavaScript. Mentored junior and mid-career engineers on various technologies including Java, Spring Boot, Hibernate, REST APIs, AWS, microservices, Docker, and Linux.
Software Engineer at Clarivate Analytics
November 30, 2022 - August 27, 2025
Worked on Manuscript Manager peer review system for academic journals. Technologies used included Java, DB2, MySQL, PL/SQL, Spring, AWS (EC2, RDS, S3), WildFly (JBoss), Elasticsearch, Splunk, and Salesforce.
Software Engineer at Hyperoptic
June 30, 2021 - August 27, 2025
Developed CRM software system for broadband fiber optic provider using Java 8, REST API, MySQL, PL/SQL, Liquibase, AngularJS, React, Spring Boot, Elasticsearch, Docker, Apache Kafka, AWS, GCP, Azure, and Jenkins.
Senior Java Developer at DIB Travel
September 30, 2020 - August 27, 2025
Developed DIB Travel's all-in-one business travel portal integrating hotel booking, flights, and ground transportation. Integration with Amadeus, Hotelbeds, Bookings.com, Stripe payment gateway, using Java 8+, Spring Boot, REST API, MySQL, MongoDB, AngularJS, Docker, Apache Kafka, AWS, and Jenkins.
Senior Java Developer / Software Engineer at Gecko Solutions
January 31, 2020 - August 27, 2025
Worked on EST PKI services for certificate provisioning using EST (RFC 7030) and cryptographic protocols; integrated eCommerce website with Magento platform and Stripe/Braintree payment solutions; developed Stackry shipping and packaging software integrating Amazon, eBay, and DHL. Technologies included Java, REST, SOAP, Spring Boot, MySQL, PL/SQL, Cucumber, shell scripting, Docker, Jenkins, and Jira.
Software Support Engineer 3rd Level at EclecticIQ
December 31, 2017 - August 27, 2025
Provided support and troubleshooting for EclecticIQ Platform for Cyber Threat Intelligence including installation, upgrades, and developing extensions in Python. Integrated with top TI providers (Cisco, McAfee) and technologies such as Keycloak, SAML, LDAP, QRadar, and Splunk.
Senior Java Developer, IT Consultant, CCS Engineer at DTA Engineering
June 30, 2017 - August 27, 2025
Team lead and full stack developer for Gambling & Lottery Platform including payment gateway integration (Braintree, Stripe, BitPay). Supported Talent SW Solution and Mobile Biometric Authentication using Java, Dropwizard, PL/SQL, REST, Hibernate, and Android mobile applications.
PS SW Consultant & Java Developer
September 30, 2015 - August 27, 2025
Worked on intelligent transaction-processing payment platform handling card transactions and alternative payments. Guided customers in debugging, troubleshooting and feature development.
Program Manager at Zira ICT
May 31, 2014 - August 27, 2025
Established PMO and introduced Agile methodologies, configured JIRA and Alfresco, and coached management and developers on Agile practices. Delivered Agile SCRUM course on Canvas e-learning platform.
Senior Java Developer at RehabNET
September 30, 2012 - August 27, 2025
Developed JasperReport integration with TIBCO, including R&D, deployment, documentation, and training.
Project Manager at Partech Systems
July 31, 2009 - August 27, 2025
Designed fail-safe solar powered level crossing controller (LCC) built to IEC 61508 standard. Developed company website and managed content.
Senior Java Developer, IT Consultant at Qualysoft Informatics
September 30, 2008 - August 27, 2025
Delivered web applications for U.S. Steel Serbia including Track Steel Production and Chemistry Laboratory applications, reporting, and user training.
Senior Java Developer, IT Consultant at Malta Net
August 31, 2004 - August 27, 2025
Designed and developed CMS Cameron project and internal search engine used by AirMalta and other clients. Developed features for di-ve.com web portal. Delivered documentation and training.
Software Engineer at Vinca Institute of Nuclear Sciences
August 31, 1999 - August 27, 2025
Developed remote control system software for TESLA accelerator installation.
SCADA Software Developer, Project Lead at RTU (SDU) - ENERGOINVEST
April 30, 1992 - August 27, 2025
Developed and led projects on remote control systems for dispatch centers in former Yugoslavia.
Senior Java Developer at Freelancer
November 1, 2022 - Present
Working on Warehouse Management System (WMS) project for small to medium retail shops using Java, Spring Boot, Hibernate, PostgreSQL, MongoDB, React, and JavaScript. Mentored junior and mid-career developers in technologies including Java, Spring, Hibernate, REST API, AWS, microservices, Docker, and Linux.
Software Engineer at Clarivate Analytics
November 30, 2022 - August 27, 2025
Developed Manuscript Manager peer review system for academic journals using Java, DB2, MySQL, PL/SQL, Spring, AWS (EC2, RDS, S3), WildFly (JBoss), Elasticsearch, Splunk, and Salesforce.
Software Engineer at Hyperoptic
June 30, 2021 - August 27, 2025
Developed Customer Relationship Management (CRM) system for full fiber optic broadband provider. Worked with Java 8, REST API, MySQL, PL/SQL, Liquibase, AngularJS, React, Spring Boot, Elasticsearch, Docker, Kafka, AWS, GCP, Azure, and Jenkins.
Senior Java Developer at DIB Travel
September 30, 2020 - August 27, 2025
Developed DIB Travel's all-in-one portal for business travel, integrating hotel booking, flights, and ground transportation. Integrated with external services such as Amadeus, Hotelbed.com, Bookings.com, and Stripe payment platform using Java 8+, Spring Boot, REST API, MySQL, Liquibase, MongoDB, AngularJS, Docker, Apache Kafka, AWS, and Jenkins.
Software Engineer, Senior Java Developer at Gecko Solutions
January 31, 2020 - August 27, 2025
Work on EST PKI service provisioning, eCommerce web integration with Magento and Stripe/Braintree payments, and shipping & packaging software Stackry integrated with Amazon, eBay, DHL. Technologies included Java, REST, SOAP, Spring Boot, MySQL, Jooq, PL/SQL, Cucumber, shell-scripting, Maven, Git, SVN, Vagrant, Docker, Jenkins, Jira, and Wiki.
Software Support Engineer 3rd Level at EclecticIQ
December 31, 2017 - August 27, 2025
Provided troubleshooting and resolution for Cyber Threat Intelligence platform. Responsibilities included installation, upgrades, extension development in Python, integration with TI providers and Keycloak SSO. Technologies: Linux, AWS, Python, Node.js, STIX, TAXII, PostgreSQL, MySQL, Elasticsearch, Logstash, Kibana, Neo4j, Redis, Keycloak, Nginx, REST API, Docker, Jenkins, Splunk.
Senior Java Developer, IT Consultant, CCS Engineer at DTA Engineering
June 30, 2017 - August 27, 2025
Team lead and full stack developer on gambling and lottery platform; database migration, payment gateway integrations (Braintree, Stripe, BitPay), maintenance and production deployment. Supported Talent SW solution, worked on mobile biometric authentication certified by FIDO, and developed Android apps. Used Java, Dropwizard, PL/SQL, REST, virtual machines, Hibernate, Spring BE.
PS Software Consultant & Java Developer
September 30, 2015 - August 27, 2025
Worked on intelligent transaction-processing payment platform handling card and alternative real-time payments. Guided customers in debugging, troubleshooting, and developing new software features. Used Java, Spring, REST, JSON, MySQL, PL/SQL, SVN, ActiveMQ.
Program Manager at Zira ICT, Sarajevo
May 31, 2014 - August 27, 2025
Established PMO and introduced Agile methodologies with JIRA and Alfresco configuration. Coached management and developers on Agile Scrum and Kanban to improve work management. Developed Agile SCRUM course on Canvas e-learning platform for Banja Luka University.
Senior Java Developer at Freelancer
November 1, 2022 - Present
Developed a Warehouse Management System (WMS) for small/medium-sized retail shops, utilizing Java, Spring, Hibernate, PostgreSQL, MongoDB and React. Mentored junior and mid-career engineers in multiple technologies including Java, Spring Boot, REST APIs and cloud platforms.
Software Engineer at Clarivate Analytics
November 1, 2022 - August 27, 2025
Developed the Manuscript Manager peer review system managing academic journals using Java, DB2, MySQL, PL/SQL, Spring, AWS and WildFly. Integrated Elasticsearch and Salesforce, among other cloud services.
Software Engineer at Hyperoptic
June 1, 2021 - August 27, 2025
Worked on CRM software system for broadband provider, creating REST APIs, managing MySQL databases, integrating Elasticsearch, Docker and Kafka, and utilizing AWS, GCP, Azure and Jenkins for deployment.
Senior Java Developer at DIB Travel
September 30, 2020 - August 27, 2025
Developed DIB Travel's all-in-one business travel portal with flight, hotel and ground transportation bookings. Integrated various external APIs such as Amadeus, Hotelbeds, Booking.com, and Stripe payment platform using Java, Spring Boot, and AWS.
Software Engineer, Senior Java Developer at Gecko Solutions
January 31, 2020 - August 27, 2025
Worked on various projects including EST PKI certificate provisioning services, eCommerce website integrations with Magento and Stripe/Braintree payments, and Stackry shipping and packaging software with Amazon and DHL integrations.
Software Support Engineer 3rd Level at EclecticIQ Platform
December 31, 2017 - August 27, 2025
Provided advanced support and troubleshooting for Cyber Threat Intelligence platform, managed installations, updates, and integrations with security providers and identity solutions. Developed Python extensions and supported various Linux, AWS and REST API technologies.
Senior Java Developer, IT Consultant, CCS Engineer at DTA Engineering
June 1, 2017 - August 27, 2025
Team lead on Gambling and Lottery platform development and database migration. Integrated multiple payment gateways, developed new features, conducted testing and maintenance, and authored technical documentation.
PS SW Consultant & Java Developer
September 30, 2015 - August 27, 2025
Handled payment transactions and real-time payment processing software. Provided debugging, troubleshooting, and feature development guidance to customers.
Program Manager at Zira ICT
May 31, 2014 - August 27, 2025
Established Program Management Office (PMO), introduced Agile methodologies, configured JIRA and Alfresco, and conducted coaching for management and developers. Delivered Agile SCRUM training on e-learning platform.
Senior Java Developer at RehabNET, Switzerland
September 30, 2012 - August 27, 2025
Integrated JasperReports into TIBCO stack, gathered requirements, deployed reports, and provided documentation and training. Worked in Java/J2EE environment with Oracle, PostgreSQL and Spring.
Project Manager at Partech Systems, Australia
July 31, 2009 - August 27, 2025
Led design and development of fail-safe solar-powered Level Crossing Controller compliant with IEC 61508 safety standards. Developed and managed company's website.
Senior Java Developer, IT Consultant at Qualysoft Informatics, Belgrade, Serbia
September 30, 2008 - August 27, 2025
Developed and supported multiple industrial applications for clients including U.S. Steel Serbia. Created real-time Track Steel Production web app and Chemistry Laboratory app, performed reporting and trained users.
Senior Java Developer, IT Consultant at Malta.NET, Malta
August 31, 2004 - August 27, 2025
Designed and developed Content Management System (CMS Cameron) and search/indexing engines, worked on di-ve.com web portal and served various clients. Delivered documentation and customer support.
Software Engineer - Remote Control System at Vinca Institute of Nuclear Sciences, Belgrade, Serbia
August 31, 1999 - August 27, 2025
Software developer and engineer for TESLA accelerator remote control system.
SCADA Software Developer, Project Lead at RTU (SDU) - Energoinvest, Sarajevo
April 30, 1992 - August 27, 2025
Developed and led projects for remote control systems across multiple international sites including China, Russia, and Bosnia & Herzegovina.
Senior Java Developer at Freelancer
November 1, 2022 - Present
Developed a Warehouse Management System (WMS) for retail shops using Java, Spring Boot, Hibernate, PostgreSQL, MongoDB, React, and JavaScript. Mentored junior and mid-career engineers in various technologies including Java, Spring, REST API, AWS, Docker, and more.
Software Engineer at Clarivate Analytics
November 1, 2022 - August 27, 2025
Worked on Manuscript Manager peer review system managing academic journals. Utilized Java, DB2, MySQL, PL/SQL, Spring, AWS EC2, WildFly, Elasticsearch, Splunk, and Salesforce.
Software Engineer at Hyperoptic
June 1, 2021 - August 27, 2025
Contributed to CRM software system for broadband provider using Java 8, REST API, MySQL, Liquibase, AngularJS, React, Spring Boot, Elasticsearch, Docker, Apache Kafka, AWS, GCP, Azure, and Jenkins.
Senior Java Developer at DIB Travel
September 30, 2020 - August 27, 2025
Developed DIB Travel’s all-in-one business travel portal integrating hotel booking, flights, and transportation with external services such as Amadeus, Hotelbed.com, Bookings.com, and Stripe payment platform using Java 8+, Spring Boot, REST API, MySQL, Liquibase, MongoDB, AngularJS, Docker, Apache Kafka, AWS, and Jenkins.
Senior Java Developer, Software Engineer at Gecko Solutions
January 31, 2020 - August 27, 2025
Worked on EST PKI project creating services for certificate provisioning using cryptographic protocols and Bouncy Castle Crypto APIs. Also involved in eCommerce platform integration with Magento and payment gateways and shipping software integration with Amazon, eBay, and DHL using Java, REST, SOAP, Spring Boot, MySQL, Jenkins, Docker, and other tools.
Software Support Engineer 3rd Level at EclecticIQ
December 31, 2017 - August 27, 2025
Provided technical support for Cyber Threat Intelligence platform, including troubleshooting, installation, upgrade, developing external extensions in Python, and integrating with providers like Cisco and McAfee. Technologies used include Linux, AWS, Python, Node.js, STIX, TAXII, PostgreSQL, Elasticsearch, Redis, Keycloak, Docker, Jenkins, and Splunk.
Senior Java Developer, IT Consultant, CCS Engineer at DTA Engineering
June 1, 2017 - August 27, 2025
Team lead and full stack developer on gambling & lottery platform including database migration, payment gateway integration (Brain Tree, Stripe, BitPay), feature development, testing, maintenance, deployment, and documentation. Projects also included SW support for Talent SW and Mobile Biometric Authentication (FIDO certified).
Java Developer & Consultant at Qualysoft Informatics
September 30, 2008 - August 27, 2025
Worked on U.S. Steel Serbia projects for real-time track steel production and chemistry laboratory web applications, including report generation and integration with Crystal Reports. Responsible for documentation and training.
Senior Java Developer, IT Consultant at Malta NET
August 31, 2004 - August 27, 2025
Designed and developed CMS Cameron project and search/indexing engine, developed features for the di-ve.com web portal, created documentation, provided training and customer support.
Software Engineer - Remote Control System at Vinca Institute of Nuclear Sciences
August 31, 1999 - August 27, 2025
Developed and engineered software for TESLA Accelerator Remote Control System.
SCADA Software Developer, Project Lead at RTU (SDU) - Energoinvest
April 30, 1992 - August 27, 2025
Developed and led projects on Remote Control Systems (SCADA) for various dispatching and command centers in former Yugoslavia and abroad.
Senior Java Developer at Freelancer
November 1, 2022 - Present
Developed Warehouse Management System for small/medium sized retail shops using Java, Spring Boot, Hibernate, PostgreSQL, MongoDB, React, and JavaScript. Mentored junior and mid-career engineers in various software technologies and tools including Java, Spring Boot, REST API, databases, cloud platforms, microservices, Docker, and Linux.
Software Engineer at Clarivate Analytics, Belgrade
November 1, 2022 - August 27, 2025
Developed Manuscript Manager peer review system for academic journals using Java, DB2, MySQL, PL/SQL, Spring, AWS (EC2, RDS, S3), WildFly (JBoss), Elasticsearch, Splunk, and Salesforce.
Software Engineer at Hyperoctic, Belgrade
June 1, 2021 - August 27, 2025
Developed CRM software system for full fiber optic broadband provider with Java 8, REST API, MySQL, PL/SQL, Liquibase, AngularJS, React, Spring Boot, Elasticsearch, Docker, Apache Kafka, AWS, GCP, Azure, and Jenkins.
Senior Java Developer at DIB Travel, Belgrade
September 30, 2020 - August 27, 2025
Developed All-in-one portal for business travel enabling hotel bookings, flights, and ground transportation, integrating external services like Amadeus, Hotelbed.com, Bookings.com, and Stripe payment platform. Used Java 8+, Spring Boot, REST API, MySQL, Liquibase, MongoDB, AngularJS, Docker, Apache Kafka, AWS, and Jenkins.
Software Engineer, Senior Java Developer at Gecko Solutions, Belgrade
January 31, 2020 - August 27, 2025
Worked on multiple projects including EST PKI services for certificate provisioning using Java and Bouncy Castle Crypto APIs, eCommerce website integration with Magento and payment gateways Stripe and Braintree, and Stackry Shipping & Packaging software integrating Amazon, eBay, and DHL. Technologies included Java, REST, SOAP, Spring Boot, MySQL, Jooq, PL/SQL, Cucumber, shell scripting, Maven, Git, SVN, Vagrant, Docker, Jenkins, Jira, and Wiki.
Software Support Engineer 3rd Level at Amsterdam and Belgrade (EclecticIQ Platform)
December 31, 2017 - August 27, 2025
Provided identification, troubleshooting, diagnosing, and resolution for EclecticIQ Cyber Threat Intelligence Platform issues. Performed installation, upgrade, and updates, developed external extensions using Python, integrated with TI providers Cisco and McAfee, and managed technology integration with Keycloak (SSO, SAML, LDAP), QRadar, Splunk, NewRelic. Technologies included Linux, AWS, Python, Node.js, STIX and TAXII standards, VMs, PostgreSQL, MySQL, Elasticsearch, Logstash, Kibana, Neo4j, Redis, Docker, Jenkins, Splunk.
Senior Java Developer, IT Consultant, CCS Engineer at DTA Engineering, Belgrade
June 1, 2017 - August 27, 2025
Acted as team lead and full stack developer on Gambling & Lottery platform with database migration, integration with payment gateways Braintree, Stripe SDK and BitPay, feature development, testing, maintenance, production deployment, and writing documentation and user manuals. Also involved in Talent SW Solution support and Mobile Biometric Authentication software support at level 3 engineering certified by the FIDO Alliance.
PS SW Consultant & Java Developer
September 30, 2015 - August 27, 2025
Worked on intelligent transaction-processing payment platform handling card and alternative payments with Java, Spring, REST, JSON, MySQL, PL/SQL, SVN, ActiveMQ. Guided customers in debugging and feature development.
Program Manager at Zira ICT, Sarajevo
May 1, 2014 - August 27, 2025
Established PMO (Program Management Office), introduced Agile methodologies, configured JIRA, Alfresco, and coached management and developers on improving work management. Delivered Agile SCRUM course on Canvas e-learning platform for Banja Luka University.
Senior Java Developer at RehabNET, Switzerland
September 30, 2012 - August 27, 2025
Gathered requirements, researched, developed, deployed JasperReport integration with TIBCO. Created documentation and provided training.
Project Manager at Partech Systems, Australia
July 1, 2009 - August 27, 2025
Designed fail-safe solar powered Level Crossing Controller built to IEC 61508 standard. Developed company website including design, development, and content management.
Java Senior Developer, IT Consultant at Qualysoft Informatics, Belgrade, Serbia
September 30, 2008 - August 27, 2025
Developed real-time Track Steel Production web application and Chemistry laboratory web application for U.S. Steel Serbia. Developed analysis and Crystal Reports integration, wrote documentation and trained customer.
Java Senior Developer, IT Consultant at MALTA NET, Malta
August 1, 2004 - August 27, 2025
Designed and developed Content Management System Cameron CMS for several clients including AirMalta, Maltacom, Island Hotels Group, SABRE. Developed search and indexing engine. Developed first web portal in Malta: di-ve.com. Provided documentation and customer training.
Software Engineer - Remote Control System at Vinca Institute of Nuclear Sciences, Belgrade, Serbia
August 1, 1999 - August 27, 2025
Developed Remote Control System software for TESLA accelerator installation.
SCADA Software Developer, Project Lead at RTU (SDU) - Energoinvest, Sarajevo
April 1, 1992 - August 27, 2025
Developed and led project on Remote Control Systems (in-house product) for various dispatcher and command centers in former Yugoslavia including East China SCADA, Iraq, Russia, Bosnia & Herzegovina, Kosovo. Managed projects in Tuzla, Banja Luka, Pristina.

Education

Bachelor's Degree at Faculty of Electrotechnics, University of Sarajevo
January 11, 2030 - August 22, 2025
Gymnasium at Gymnasium "Igmanski Mars", Sarajevo
January 11, 2030 - August 22, 2025
B.S. in Electrical Engineering and Computer Science at Faculty of Electrotechnics, University of Sarajevo
January 11, 2030 - August 22, 2025
Gymnasium at Gymnasium “Igmanski Mars”, Sarajevo
January 11, 2030 - August 22, 2025
Bachelor’s Degree at Faculty of Electrotechnics, University of Sarajevo
January 11, 2030 - August 27, 2025
Bachelor's Degree at Faculty of Electrotechnics, University of Sarajevo
January 11, 2030 - August 27, 2025
Bachelor's Degree at Faculty of Electrotechnics, University of Sarajevo
January 11, 2030 - August 27, 2025
Gymnasium at Gymnasium “Igmanski Mars”, Sarajevo
January 11, 2030 - August 27, 2025
Bachelor’s Degree at Faculty of Electrotechnics, University of Sarajevo
January 11, 2030 - August 27, 2025
Gymnasium at Gymnasium “Igmanski Mars”, Sarajevo
January 11, 2030 - August 27, 2025
Bachelor’s Degree at Faculty of Electrotechnics, University of Sarajevo
January 11, 2030 - August 27, 2025
Gymnasium at Gymnasium "Igmanski Mars", Sarajevo
January 11, 2030 - August 27, 2025

Qualifications

Scrum MASTERCLASS
January 11, 2030 - August 22, 2025
Crystal Reports
January 11, 2030 - August 22, 2025
ERP
January 11, 2030 - August 22, 2025
OracleBI
January 11, 2030 - August 22, 2025
Applying AS 61508 (IEC 61508)
January 11, 2030 - August 22, 2025
Software Development course using AS 61508 standard – Sydney, Australia
January 11, 2030 - August 22, 2025
Project Management
January 11, 2030 - August 22, 2025
Java Language
January 11, 2030 - August 22, 2025
Scrum Masterclass
January 11, 2030 - August 27, 2025
Crystal Reports
January 11, 2030 - August 27, 2025
ERP
January 11, 2030 - August 27, 2025
OracleBI
January 11, 2030 - August 27, 2025
Applying AS 61508 (IEC 61508) - Software Development Course
January 11, 2030 - August 27, 2025
Project Management
January 11, 2030 - August 27, 2025
Java Language
January 11, 2030 - August 27, 2025
Scrum MASTERCLASS
January 11, 2030 - August 27, 2025
Crystal Reports
January 11, 2030 - August 27, 2025
ERP
January 11, 2030 - August 27, 2025
OracleBI
January 11, 2030 - August 27, 2025
Applying AS 61508 (IEC 61508) - Software Development course
January 11, 2030 - August 27, 2025
Project Management
January 11, 2030 - August 27, 2025
Java Language
January 11, 2030 - August 27, 2025
Scrum Masterclass
January 11, 2030 - August 27, 2025
Crystal Reports
January 11, 2030 - August 27, 2025
ERP
January 11, 2030 - August 27, 2025
Oracle BI
January 11, 2030 - August 27, 2025
Applying AS 61508 (IEC 61508) - Software Development Course
January 11, 2030 - August 27, 2025
Project Management
January 11, 2030 - August 27, 2025
Java Language Course
January 11, 2030 - August 27, 2025
Scrum Masterclass
January 11, 2030 - August 27, 2025
Crystal Reports
January 11, 2030 - August 27, 2025
ERP
January 11, 2030 - August 27, 2025
Oracle BI
January 11, 2030 - August 27, 2025
Applying AS 61508 (IEC 61508)
January 11, 2030 - August 27, 2025
Software Development Course Using AS 61508 Standard
January 11, 2030 - August 27, 2025
Project Management
January 11, 2030 - August 27, 2025
Scrum MASTERCLASS
January 11, 2030 - August 27, 2025
Crystal Reports
January 11, 2030 - August 27, 2025
ERP
January 11, 2030 - August 27, 2025
OracleBI
January 11, 2030 - August 27, 2025
Applying AS 61508 (IEC 61508) Software Development course
January 11, 2030 - August 27, 2025
Project Management
January 11, 2030 - August 27, 2025
Java Language
January 11, 2030 - August 27, 2025

Industry Experience

Software & Internet, Financial Services, Education, Travel & Hospitality, Professional Services, Telecommunications, Retail, Manufacturing, Government, Transportation & Logistics, Healthcare, Other, Energy & Utilities