Senior Software Engineer; Poland

You are a backend engineer with a deep understanding of distributed systems and microservices architecture.

You value simplicity and effectiveness, and you’re excited by the opportunity to make a meaningful impact. You can reason through trade-offs, build for scale,and adapt quickly to evolving priorities.

Requirements

• 5+ years of backend development experience with a strong command of Java and the Spring ecosystem.
• Proven track record of shipping production-grade systems in cloud environments.
• Experience with distributed systems and messaging frameworks such as Apache Kafka (via AWS MSK).
• Strong understanding of containerization, orchestration (Kubernetes), and deployment workflows.
• Familiarity with observability tools and incident response best practices.
• Excellent communication skills and a collaborative mindset.

• Design, implement, and maintain backend services that are secure, scalable, and mission-critical.
• Collaborate with cross-functional teams to deliver end-to-end solutions from concept to deployment.
• Work across the stack from backend systems to infrastructure components such as ALB/NLB, and Kubernetes.
• Take ownership of projects, driving architecture, design, and implementation decisions.
• Write clean, maintainable, and well-tested code in Java, and contribute to automation and tooling in Python when necessary.
• Monitor production systems, respond to incidents, and continuously improve system reliability and performance.
• Participate in On-Call rotation to ensure high availability and rapid response to production issues.
• Participate in code reviews, knowledge sharing, and mentoring of junior engineers.
• A competitive salary and flexible compensation package
• Professional development tools (mentorship program, tech talks and trainings)
• Medical insurance
• Free corporate English classes and speaking clubs with a native speaker

Join our Strong team

Attach your CV document (.pdf, .doc, .docx)*