- Minimum 5 years of professional experience in software development
- Expertise in server-side languages, especially Kotlin, and experience with distributed systems, microservices, and cloud environments (e.g., AWS, Kubernetes)
- Proficiency with relational databases like PostgreSQL, testing frameworks (e.g., JUnit, Testcontainers), and observability tools like Grafana
- Strong problem-solving skills and a collaborative mindset to mentor and upskill your teammates
- Very good knowledge of English - min. B2 level
- Residing in Poland required
Join a team working on a modern fintech platform that supports company expense management. The project focuses on developing a finance solution that enables seamless integration of financial tools (including payment cards, expense management, and invoice handling) directly into partner systems such as banks, accounting platforms, and HR solutions. The product being developed allows companies to simplify financial processes, automate settlements, and gain full real-time control over their spending. ,[Leading initiatives to design, build, and maintain scalable microservices primarily using Kotlin, Collaborating with cross-functional teams to develop innovative solutions across Platform, Services, SMB, and other domains, Analyzing system performance and implementing optimizations to ensure high reliability and scalability, Participating in code reviews, post-mortems, and providing mentorship to other engineers, Proactively improving the architecture and quality of solutions, and leading the team through technical challenges and migrations] Requirements: Kotlin, AWS, Microservices, Kubernetes, react.js, TypeScript Additionally: Medical care, Insurance, Sport cards, Language courses, Refferal programs, Welcome packs and other occasional gifts, Passion Sponsorship program, Regular integration events and trips, Contracts with the biggest brands, Diverse portfolio of clients, Flexible forms of employment, Internal training center, Mentoring program, Buddy Program & efficient onboarding process, Technology communities, Jubilee rewards, Profit sharing, Sport & hobby communities, Breakfast, drinks and fresh fruits in the office, Wide portfolio of technologies, Solid financial situation, Comfortable and well-equipped offices, MySii app, Invoice kiosk.