Minja Koprivica
@minjakoprivica
Java Backend Developer with 4+ years building REST/SOAP microservices and reliable integrations.
SerbiaWhat I'm looking for
I’m a Java Backend Developer with 4+ years of professional experience building, integrating, and modernising backend systems. I focus on delivering REST and SOAP service development, and I’m comfortable owning features end-to-end—from requirement analysis through implementation, testing, and deployment.
I build microservices with Spring Boot and strong data-layer discipline using JPA/Hibernate and MongoDB via MongoTemplate. I also leverage Apache Camel for service integration and message routing across distributed components, including ActiveMQ and AWS SQS, so systems exchange data reliably under real-world constraints.
I’ve led meaningful migration and upgrade work, including ActiveMQ → AWS SQS, Spring Boot 2.x → 3.x, and Java 11 → 21—resolving breaking API changes, deprecated dependencies, and runtime incompatibilities. I maintain an 80%+ test coverage standard with JUnit 5 and RestAssured, and I contribute to second and third-level application support with fast root-cause analysis and minimal disruption in production.
Experience
Work history, roles, and key accomplishments
Java Developer
Alithya
Oct 2021 - Feb 2026 (4 years 4 months)
Developed and maintained REST API and backend components in a Java/Spring Boot microservices architecture, using JPA/Hibernate and MongoDB (MongoTemplate) for data access. Worked extensively with Apache Camel for service integration and messaging, including migrating ActiveMQ to AWS SQS and upgrading Java 11 to 21 and Spring Boot 2.x to 3.x while maintaining 80%+ test coverage.
Physics Teacher
Elementary School Jovan Jovanovic Zmaj
Jan 2018 - Jan 2019 (1 year)
Planned and delivered structured technical curriculum as a physics teacher, developing the ability to explain complex concepts clearly to non-specialist audiences.
Education
Degrees, certifications, and relevant coursework
Faculty of Sciences, University of Novi Sad
Bachelor of Science, Physics
Earned a BSc in Physics from the Faculty of Sciences at the University of Novi Sad. Developed structured analytical thinking used for debugging, requirement analysis, and problem-solving.
Tech stack
Software and tools used professionally
Availability
Location
SerbiaAuthorized to work in
Job categories
Skills
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