Available to hire
Accomplished IT professional with 19+ years of experience in designing and delivering scalable, cloud-native, and microservices-
based enterprise applications. Expert in Java (8–21), Spring Boot, Kubernetes, Docker, and Azure cloud platforms. Strong
background in DevOps, CI/CD, container orchestration, and Agile methodologies. Proven leadership in managing distributed teams
across banking, telecom, and enterprise sectors. Open to remote freelance opportunities to architect full-stack solutions and drive
digital innovation.
Skills
Language
English
Fluent
Dutch
Intermediate
Work Experience
Backend Developer (Freelance) at Independent / Freelance
October 1, 2024 - PresentDesigned and implemented backend systems using Java, Python, C++ with Spring Boot, Hibernate, and microservices. Built REST APIs, implemented CI/CD pipelines in Azure, created Dockerfiles and test environments, and implemented secure authentication with Spring Security. Led data access layer design with MySQL, Hibernate and Spring Data JPA. Collaborated in Agile teams with product owners. Improved performance and reliability through automated tests (unit, integration, BDD).
Senior Full-Stack Developer at Self-employed / Freelance
October 1, 2024 - October 3, 2025Designed and implemented CI/CD pipelines in Azure and AWS using proprietary tools; developed RESTful APIs with Java 21/11/17, Spring Boot, Finagle Client, and Merak frameworks; built backend with Python Django and PostgreSQL; led sprint planning and requirement delivery; authored unit and BDD test cases; Dockerized test environments; created data access layers for MySQL; ensured secure authentication via Spring Security and LDAP. Practiced Agile processes and collaborated with product owners; adopted TDD with JUnit, Mockito, Karate, Allure; migrated to modern tech stack including Jenkins, Nexus; built frontend components with Polymer/JavaScript.
Senior Software Engineer / Microservices & DevOps Specialist at Sentaca Consulting, USA
April 1, 2018 - October 3, 2025Designed a microservice architecture using Vert.x, Java 8, Apache CXF and RabbitMQ for asynchronous messaging. Built secure authentication/authorization systems; integrated Open IAM for enterprise identity management. Maintained codebase with GitHub and automated CI/CD pipelines via GitLab. Implemented unit and integration tests with JUnit/Mockito/ Karate and end-to-end UI tests with JavaScript and Karma. Adopted Behavior-Driven Development (BDD) with Serenity and Cucumber. Led Agile ceremonies with Scrum Masters and cross-functional teams. Resolved production issues and delivered on-time features.
Full-Stack Developer at Serenity / Scrum Master engagements
April 1, 2016 - October 3, 2025Designed SPA/UI tooling and back-end services for EPG-related solutions; built UIs with AngularJS, Bootstrap, HTML/CSS; implemented back-end services in Java; integrated with legacy EPG tools; built dynamic dashboards and ensured Agile process participation.
Software Engineer | UI/UX Developer at Lucent Technologies / Kodak Networks / Alcatel-Lucent (India)
January 1, 2014 - October 3, 2025Worked on UI/UX development and Agile Tools integration; built front-end components with HTML/CSS/JavaScript; contributed to back-end services using Java; participated in cross-functional teams to deliver UI improvements.
Architect / Senior Software Engineer at HastalaPista
October 1, 2024 - PresentArchitected, developed, and maintained scalable microservices using Java 21, Spring Boot, Hibernate, and MySQL, delivering enterprise-grade reliability for high-traffic platforms. Engineered complex integration routes with Apache Camel, orchestrating connectivity between APIs, databases, and messaging systems. Led design and automation of CI/CD pipelines in Azure DevOps with Docker and Kubernetes/OpenShift for zero-downtime deployments, enhanced observability, and environment consistency. Implemented asynchronous, event-driven architectures using Kafka and REST, optimizing system responsiveness and fault tolerance. Established enterprise security with Spring Security, OAuth2/OIDC, and JWT. Drove quality engineering with comprehensive unit, integration, and BDD test suites (JUnit 5, Mockito, WireMock, Karate, Testcontainers). Standardized reusable environments with Dockerfiles to improve onboarding and delivery speed. Designed persistence layers with Spring Data JPA and Hibernate to opt
Senior Full-Stack Developer at Freelancer, Netherlands
October 1, 2024 - October 12, 2025Architected and implemented enterprise-grade CI/CD pipelines across Azure and AWS, enabling secure, automated deployments with full audit and rollback capabilities. Developed RESTful microservices using Java 21/17/11, Spring Boot, and Apache Camel; integrated message brokers (Kafka/RabbitMQ) for reliable inter-service communication. Built high-performance backends with Python Django and PostgreSQL; containerized workloads with Docker and Kubernetes/OpenShift; implemented security frameworks (Spring Security, OAuth2/OIDC, LDAP, JWT) for compliance. Authored automated test suites (JUnit 5, Mockito, WireMock, Karate, Testcontainers) integrated into CI/CD. Led Agile ceremonies and mentored teams. Optimized persistence using Kotlin/Hibernate/Spring Data JPA across multi-database environments (MySQL, MSSQL, Cassandra).
Senior Software Engineer | Microservices & DevOps Specialist at Sentaca Consulting, USA
April 1, 2018 - October 12, 2025Designed a Spring Boot microservices architecture with Vert.x, Java 8, Apache CXF, and RabbitMQ for asynchronous messaging. Implemented secure authentication/authorization with OpenIAM. Built automated CI/CD pipelines via GitLab. Developed unit and integration tests (JUnit) and end-to-end UI tests with JavaScript/Karma. Adopted BDD with Serenity, Cucumber, and Java to drive automated functional testing. Collaborated with product owners and cross-functional teams to ensure timely feature delivery.
Full-Stack Developer | Scrum Master | Performance Optimization Specialist at Alten Calsoft Labs, Bengaluru, India
April 1, 2016 - October 12, 2025Engineered high-frequency data processing with Java concurrency and NoSQL. Built SPAs with AngularJS and Bootstrap; integrated Spring Data with MySQL and CouchDB. Implemented RabbitMQ for asynchronous communication and contributed as Scrum Master to improve Agile workflows. Optimized memory and performance with profiling tools and JVM tuning.
Software Engineer | UI/UX Developer | Agile Tools Integrator at Cisco video technologies, Bengaluru, India
November 1, 2014 - October 12, 2025Designed a custom MVC framework for EPG solutions; developed Swing-based desktop UIs; created dynamic dashboards with jQuery/Backbone.js; automated Jenkins jobs via Groovy; integrated Apache Ivy for dependencies. Participated in Agile ceremonies and produced high-quality unit tests.
Software Engineer | Senior Software Engineer | Lead Engineer at Lucent Technologies | Kodiak Networks | Alcatel-Lucent, India
June 1, 2011 - October 12, 2025Designed and optimized core backend components in Java, C++, SQL, CORBA, and XML; improved performance via profiling and memory management. Automated debugging and production support workflows; contributed to high-throughput systems and leadership in incident response. Implemented robust testing and refactoring to enhance reliability and scalability.
Senior Full-Stack Developer (Freelance) at Hasta la Pasta (Freelance)
October 1, 2024 - PresentDesigned and implemented CI/CD pipelines in Azure/AWS using proprietary tools; built backend services using Java and Python; designed Dockerized development workflows, RESTful APIs, and secure authentication. Collaborated with product owners to deliver scalable, testable software, and maintained back-end systems.
Senior Full-Stack Developer (Freelance / Self-Employed) at Freelance / Self-Employed
May 1, 2018 - October 1, 2024Designed and implemented CI/CD pipelines in Azure using proprietary tools; developed RESTful APIs with Java Spring Boot and Python Django; led sprint planning, backlog grooming, and requirement delivery; implemented data access layers with MySQL; ensured secure authentication via Spring Security (LDAP). Dockerized environments and scalable development workflows.
Senior Software Engineer | Microservices & DevOps Specialist at Sentaca Consulting
July 1, 2016 - April 1, 2018Designed Spring Boot-based microservices architecture with Vert.x, Java 8, Apache CXF, and RabbitMQ; built secure authentication/authorization via OpenIAM; maintained and version-controlled code with GitHub; automated CI/CD with GitLab; implemented BDD with Serenity and Cucumber; improved email delivery reliability and test coverage.
Senior Software Engineer | Scrum Master | Performance Optimization Specialist at Lucent Technologies / Kodak Networks (India)
November 1, 2014 - April 1, 2016Led Scrum practices and performance optimization efforts for enterprise networks; implemented agile ceremonies and collaboration with cross-functional teams to deliver features and improvements.
Senior Software Engineer | UI/UX Integration at Lucent Technologies / Kodak Networks (India)
November 1, 2011 - June 1, 2014Designed and integrated UI/UX components for enterprise network management; contributed to backend architecture and mentored junior developers.
Education
Bachelor of Engineering at Anna University
June 1, 2000 - May 1, 2004Bachelor of Engineering at Anna University
June 1, 2000 - May 1, 2004Bachelor of Engineering at Anna University
June 1, 2000 - May 1, 2004Qualifications
Oracle Certified Associate
January 11, 2030 - October 3, 2025Java SE 8 Programmer
January 11, 2030 - October 3, 2025Azure Fundamentals (AZ-900)
January 11, 2030 - October 3, 2025Oracle Certified Associate
January 11, 2030 - October 12, 2025Java SE 8 Programmer
January 11, 2030 - October 12, 2025Oracle Certified Associate
January 11, 2030 - December 7, 2025Azure Fundamentals (AZ-900)
January 11, 2030 - December 7, 2025Industry Experience
Software & Internet, Professional Services, Telecommunications
Skills
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