Senior Java Developer
Bonapolia Vilnius, Vilnius, Lithuania
IT Services and IT Consulting · 2-10 employees
About the role
The role involves designing, developing, and maintaining backend microservices using Java and Spring Boot. You will also contribute to data integration, event-driven solutions, and data streaming initiatives within a fintech environment.
What they look for
Requirements
Candidates must have strong hands-on experience with Java, Spring Boot, and microservices architecture. Proficiency in messaging technologies like Kafka or RabbitMQ and experience with relational databases are also required.
Full description
Project/Client: Fintech Location: Lithuania, hybrid model (3 days in the office) Start Date: ASAP Duration: 12 months Language: English
Role Overview:
We are looking for a Senior Java Developer to join a fintech project focused on scalable backend systems, data integration, and event-driven architecture. The role involves developing Java / Spring Boot microservices and working with data streaming and/or Data Warehouse solutions.
Key Responsibilities:
- Design, develop, and maintain backend services using Java and Spring Boot
- Build and support microservices and event-driven solutions
- Work with messaging and data streaming tools such as Kafka, RabbitMQ, or similar technologies
- Contribute to data integration, CDC, ETL/ELT, and/or DWH-related initiatives
- Work with relational databases such as PostgreSQL, MS SQL Server, or similar
- Collaborate with engineering, data, DevOps, and business teams
Must-Have Requirements:
- Strong hands-on experience with Java and Spring Boot
- Proven experience with microservices architecture
- Hands-on experience with Kafka, RabbitMQ, or similar messaging/streaming technologies
- Experience with data streaming and/or Data Warehouse / DWH projects
- Good knowledge of relational databases (PostgreSQL, MS SQL Server, or similar)
- Fluent English
Nice to Have:
- Previous experience in fintech, banking, or financial systems
What we offer
- Model: B2B contract with Bonapolia - one contract, one monthly invoice
- Rate: negotiated per candidate seniority and client budget
- Payment: monthly invoice, paid on the same schedule the client pays us (usually 30 days)
- Contract written under your country's law
- We handle the client-side paperwork: MSA, NDA, invoicing
🏢 About Bonapolia
Bonapolia is a family-owned IT staff augmentation team based in Lisbon. We build engineering teams for product companies and IT consultancies across Europe and the US.
More at bonapolia.com
📩 Ready to Join? We look forward to receiving your application and welcoming you to our team!
Similar roles
-
Senior Java Developer - Rates Intraday Risk Technology
Nomura London, England, United Kingdom
-
Java / C++ Developer
Vix Technology & Kuba Košice, Region of Košice, Slovakia
-
Software Engineer II - Agentic AI, Java , AWS , Springboot , Kafka
JPMorgan Chase & Co. Mumbai, Maharashtra, India
-
Java Engineer in Java Application Core Components team
Adyen Amsterdam, North Holland, Netherlands
-
Lead Software Engineer Lead Software engineer - Java, Spring Boot, Kafka, AWS, Spark, Copilot/Claude/AI skills
JPMorgan Chase & Co. Hyderabad, Telangana, India
-
Lead Software Engineer - Java Fullstack, AWS
JPMorgan Chase & Co. Mumbai, Maharashtra, India