I am a seasoned full-stack software engineer with over 10 years of experience specializing in enterprise Java applications. My expertise spans deep backend development within the Spring ecosystem and microservices architecture, complemented by modern frontend skills using React and Material UI. I bring practical knowledge in DevOps and CI/CD, focusing on automated testing across all levels to ensure quality and reliability. I am passionate about clean code principles and adhere to modern software engineering best practices. Over my career, I've contributed to critical projects, led frontend modernizations, managed CI/CD pipelines, and taken ownership of full release lifecycles. I thrive in Agile environments and continuously seek to enhance security, performance, and user experience through my development work.

Ing. Jan Kovac

I am a seasoned full-stack software engineer with over 10 years of experience specializing in enterprise Java applications. My expertise spans deep backend development within the Spring ecosystem and microservices architecture, complemented by modern frontend skills using React and Material UI. I bring practical knowledge in DevOps and CI/CD, focusing on automated testing across all levels to ensure quality and reliability. I am passionate about clean code principles and adhere to modern software engineering best practices. Over my career, I've contributed to critical projects, led frontend modernizations, managed CI/CD pipelines, and taken ownership of full release lifecycles. I thrive in Agile environments and continuously seek to enhance security, performance, and user experience through my development work.

Available to hire

I am a seasoned full-stack software engineer with over 10 years of experience specializing in enterprise Java applications. My expertise spans deep backend development within the Spring ecosystem and microservices architecture, complemented by modern frontend skills using React and Material UI. I bring practical knowledge in DevOps and CI/CD, focusing on automated testing across all levels to ensure quality and reliability.

I am passionate about clean code principles and adhere to modern software engineering best practices. Over my career, I’ve contributed to critical projects, led frontend modernizations, managed CI/CD pipelines, and taken ownership of full release lifecycles. I thrive in Agile environments and continuously seek to enhance security, performance, and user experience through my development work.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Advanced

Work Experience

Senior Full-Stack & DevOps & Release Engineer at DXC Technology Slovakia s.r.o.
May 1, 2020 - Present
Developed a mission-critical billing and reporting ecosystem for DXC's PaaS solutions for SAP®. Led modernization efforts involving migration and decommissioning of legacy systems, saving significant costs. Took ownership of frontend modernization and UI test automation, introduced major migrations of libraries and tools. Automated CI/CD pipelines and contributed to infrastructure-as-code. Owned the release lifecycle, including deployment automation and testing coordination. Worked with a broad tech stack including Java, Spring Boot, React, Selenium, Jenkins, Docker, and Podman. Practiced PCI-DSS compliance and SAFe Agile methodology.
Technical Analysis and Consultancy at Capco, Bratislava
April 1, 2020 - August 27, 2025
Provided technical expertise for an RFP tender for the European Commission, focusing on a proof of concept for machine-readable and executable reporting requirements. Conducted in-depth technical analysis of financial data models and produced detailed documentation. Supported the business team by providing technical consultancy during PoC preparation using finance industry standards like FpML, FIX, ISDA CDM, and ISO 20022.
JavaEE Backend Developer at Capco, Vienna
February 1, 2020 - August 27, 2025
Implemented business requirements on the backend for the Paysafecard payment platform using JavaEE. Developed REST APIs and migrated application servers. Integrated retail cash network services and ensured full testing coverage including unit, integration, and frontend Selenium tests. Participated in JBoss EAP migration and documentation preparation while following Scrum methodology with two-week sprints.
Full-Stack Developer / Business Analyst at Capco, Bratislava
November 1, 2018 - August 27, 2025
Developed demo Open Banking applications with React frontend and Spring Boot backend. Led business analysis of Open Banking requirements for a mobile app integrating multiple bank accounts. Architected and built a backend tool 'PSD2 Test Robot' for cross-compatibility testing of European banking APIs. Worked in Kanban methodology.
Java Backend Developer at Capco, Vienna
January 1, 2018 - August 27, 2025
Developed demo applications for Open Banking, stock/forex exchange, and health insurance data analysis using the Tribefire integration platform. Prepared data models and backend logic. Applied Scrum and Kanban methodologies during development.
JavaFX Developer at Capco, Bratislava
June 1, 2017 - August 27, 2025
Developed a standalone skill assessment tool as a JavaFX desktop application, including business requirement implementation and release management. Utilized PostgreSQL and Gradle.
Full-Stack Developer at Capco, Bratislava
November 1, 2016 - August 27, 2025
Built and maintained full-stack Java web applications using Spring and JSF 2. Developed and maintained tests with JUnit and Selenium. Participated actively in Agile Scrum teams. Contributed to feature design and application architecture.
Wordpress Developer at Freelancer, New York, USA
November 1, 2015 - August 27, 2025
Designed, developed, and migrated custom WordPress websites for NGOs, managing full project lifecycle from development to deployment. Performed critical database migrations resolving project issues.
Senior Full-Stack & DevOps & Release Engineer at DXC Technology Slovakia s.r.o.
May 1, 2020 - Present
Developed and maintained a critical billing and reporting system for DXC's PaaS offerings supporting SAP®. Responsible for backend microservices using Java and Spring Boot, leading modernization initiatives, and decommissioning legacy systems saving substantial costs. Owned the frontend billing UI, including major migrations and test automation. Managed CI/CD pipelines, container configurations, and release lifecycle, ensuring stability and compliance. Technologies included Java (versions 8-21), Spring Boot (v2-v3), React, Material-UI, Jenkins, and various databases.
Technical Analysis and Consultancy at The Capital Markets Company Slovakia, s. r. o.
April 30, 2020 - August 27, 2025
Provided technical expertise for a European Commission tender preparing executable reporting requirements. Conducted analysis of financial data models and supported the business team during proof of concept development for financial reporting standards.
JavaEE Backend Developer at The Capital Markets Company Slovakia, s. r. o.
February 29, 2020 - August 27, 2025
Implemented backend business requirements for the Paysafecard online payment platform using Java EE. Developed REST APIs to replace legacy SOAP services and contributed to admin app enhancements. Integrated retail cash network services and supported migration of application server. Responsibilities included testing and documentation within Scrum framework.
Full-Stack Developer / Business Analyst at The Capital Markets Company Slovakia, s. r. o.
November 30, 2018 - August 27, 2025
Developed demo applications for Open Banking including a React-based mobile frontend and a backend testing tool (PSD2 Test Robot) for API compatibility. Performed business analysis and full-stack development under Kanban methodology.
Java Backend Developer at The Capital Markets Company Vienna
January 31, 2018 - August 27, 2025
Built demo applications based on Tribefire Java integration platform for Open Banking and financial exchanges. Engaged in backend development, data modeling, and used Scrum and Kanban methodologies.
JavaFX Developer at The Capital Markets Company Slovakia, s. r. o.
June 30, 2017 - August 27, 2025
Developed internal skill assessment tool using JavaFX with responsibility for design, implementation, and release management.
Full-Stack Developer at The Capital Markets Company Slovakia, s. r. o.
November 30, 2016 - August 27, 2025
Created and maintained staff management web applications using Java, Spring and JSF 2. Developed automated tests and participated in feature design and Agile Scrum processes.
Wordpress Developer at Freelancer, New York, USA
November 30, 2015 - August 27, 2025
Designed and developed custom WordPress websites for clients in the NGO sector including database migrations and full project lifecycle management.

Education

Master degree (Ing.) at FEI, Slovak University of Technology in Bratislava
January 1, 2016 - January 1, 2019
Bachelor degree (Bc.) at FEI, Slovak University of Technology in Bratislava
January 1, 2013 - January 1, 2016
Master degree (Ing.) in Applied Informatics at FEI, Slovak University of Technology in Bratislava
January 1, 2016 - January 1, 2019
Bachelor degree (Bc.) in Applied Informatics at FEI, Slovak University of Technology in Bratislava
January 1, 2013 - January 1, 2016

Qualifications

Oracle Certified Professional, Java SE 21 Developer (1Z0-830)
May 1, 2025 - May 1, 2025
Oracle Certified Professional, Java SE 17 Developer (1Z0-829)
March 1, 2025 - March 1, 2025
Oracle Certified Associate, Java SE 8 Programmer (1Z0-808)
January 1, 2020 - August 27, 2025
Oracle Certified Professional, Java SE 21 Developer (1Z0-830)
May 1, 2025 - August 27, 2025
Oracle Certified Professional, Java SE 17 Developer (1Z0-829)
March 1, 2025 - August 27, 2025
Oracle Certified Associate, Java SE 8 Programmer (1Z0-808)
January 1, 2020 - August 27, 2025

Industry Experience

Software & Internet, Financial Services, Professional Services, Government

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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