Senior Backend Engineer (Java | AWS | Kubernetes) β FinTech π
π Location: Hybrid model, Cracow
Join a team building a modern, high-scale trading platform used by hundreds of thousands of users worldwide. This role is perfect for someone who wants to have a real impact on the product, work with mission-critical systems, and build solutions that operate in real time.
Weβre looking for an experienced Backend Engineer who goes beyond writing code β someone who takes full ownership of systems, from architecture to production.
π Your role
- Design and develop high-performance backend services in Java (Spring Boot β WebFlux/MVC)
- Build systems handling large transaction volumes and real-time data streams
- Own the full lifecycle: architecture, development, CI/CD, deployment, and production support
- Work with Kubernetes (AWS EKS) to deploy and scale applications
- Collaborate closely with Product, Design, and Frontend teams to deliver impactful features
- Implement effective monitoring, alerting, and observability (e.g., Grafana, OpenTelemetry)
- Troubleshoot and resolve production issues with a strong ownership mindset
- Mentor other engineers and contribute to technical excellence across the team
- Leverage AI-assisted development tools to enhance productivity and code quality
π§ What weβre looking for
- 8+ years of experience in backend development with Java
- Strong experience with Spring Boot, REST/gRPC, and reactive programming
- Hands-on experience with Kubernetes and cloud environments (preferably AWS)
- Solid understanding of PostgreSQL and Redis
- Experience with CI/CD pipelines, Infrastructure as Code (Terraform), and microservices architecture
- Strong knowledge of distributed systems and observability practices
- Security-first mindset and attention to system reliability
- Very good English communication skills
π Nice to have
- Experience in FinTech, trading platforms, or crypto
- Familiarity with high-throughput, low-latency systems
π‘ What matters most
- Strong ownership mindset β you build it, you run it
- Passion for engineering excellence (TDD, clean code, best practices)
- Curiosity and willingness to continuously learn
- Openness to working with AI tools as part of your daily workflow
- Readiness to participate in on-call rotations
If youβre excited about building scalable, high-impact systems and working in a fast-paced FinTech environment β feel free to reach out π
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- Posted
- Mar 17, 2026
- Type
- Full-time
- Level
- Associate
- Location
- Cracow
- Company
- Eagle Eye Staffing Solutions
Industries
Categories
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