Software Engineer; Java Poland office

Overview

Lineate is a US-based international software development company with over two decades of experience. From Intelligent Document Processing(IDP) and Agentic RAG systems to scalable cloud architectures, we turn complex ideas into real, measurable results. We deliver AI-driven custom solutions for Fin Tech, Health Tech, AdTech, and beyond, empowering businesses to grow smarter, faster, and more efficiently. Our expertise falls into three main categories:

• Building Custom AI Solutions:
  Deploying high-impact, AI-enabled technology utilizing IDP, Agentic RAG.
• Cloud and Data Infrastructure:
  Optimizing business operations with our data management and cloud computing solutions.
• Team Augmentation:
  Providing specialized experts in Fin Tech, AdTech, and Health Tech to integrate seamlessly and accelerate project timelines.

Our goal is not just to build technology, but to build the future operating model for our clients.

Project: Fintech project focused on multiple new integrations and the development of additional financial products

Location: We are considering candidates residing in Poland or Serbia

• Collaborate with engineers, product managers, designers, and QA to build and maintain scalable backend services for fintech applications.
• Develop Java and Spring Boot–based microservices, APIs, and system integrations.
• Participate in technical design discussions and provide input on architecture and implementation approaches.
• Implement new features, fix defects, and ensure high-quality, maintainable code.
• Monitor, troubleshoot, and improve system reliability, performance, and scalability.
• Gain hands-on experience with distributed systems and contribute to the technical growth of the team.

• 4+ years of software development back-end experience.
• Java, Spring Boot, and RESTful APIs/microservices.
• Understanding of service-oriented architecture.
• Familiarity with event-driven systems (Active
  
  MQ, Temporal - or similar) and data stores (Postgre
  
  SQL, Redis).
• Knoweledge of testing practicies, performance consideration.

• B2B contract with Lineate US.
• Full-time, 40 hours a week.
• Long-term collaboration.

Lineate is proud to be an Equal Opportunity Employer - We do not hire on the basis of race, colour, religion, creed, gender, national origin, citizenship, age, disability, veteran status, marital status, pregnancy, parental status, sex, gender expression or identity, sexual orientation, or any other basis protected by Georgian legislation. All employment is decided based on qualifications, merit, and business need.

Learn more about Lineate at our website: