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Senior Java Developer

Bonapolia Vilnius, Vilnius, Lithuania

IT Services and IT Consulting · 2-10 employees

2 d ago
Remote java Senior (5-10 yrs) Contractor Lithuania
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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

Java Spring Boot Microservices Kafka RabbitMQ Data Streaming Data Warehouse PostgreSQL MS SQL Server Data Integration CDC ETL ELT Event-driven architecture Backend development

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!

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