Senior Java Backend Engineer

What you will do

— Build backend SaaS services end-to-end using Java and modern cloud-native architecture patterns
— Design and develop secure, scalable distributed systems for authentication and identity verification
— Develop and operate core components of a cybersecurity platform used by enterprise customers
— Work with Kubernetes-based infrastructure and cloud services (AWS/Azure) to ensure scalability and reliability
— Collaborate closely with cross-functional teams to design and deliver new features and improvements
— Participate in AI-augmented SDLC workflows (design, coding, testing, documentation using modern tools and agents)
— Ensure performance, observability (metrics, events, OpenTelemetry), and system reliability in production
— Engage in architecture discussions and contribute to long-term system evolution
— Work with authentication and security-related standards and protocols (OAuth, SAML, WebAuthn, FIDO2 where applicable)
— Participate in on-call rotations and support production incident resolution when needed

What we expect

— 10+ years of commercial experience as a Software Engineer, building and maintaining enterprise-scale backend systems
— Hands-on experience with Java SE 21+, Spring and/or Quarkus
— Strong knowledge of backend engineering, distributed systems, and scalable SaaS architectures
— Solid experience with cloud platforms (AWS, Azure, or similar) and container orchestration (Kubernetes)
— Experience with databases (MySQL, Oracle, DynamoDB, Redshift, Redis or similar)
— Proven ability to write automated tests (unit, integration, load; e.g., JUnit, test frameworks, SDET collaboration)
— Good understanding of CI/CD practices and continuous deployment pipelines
— Excellent problem-solving and debugging skills in large-scale, production environments
— Good communicator, comfortable working in cross-functional teams and customer-facing discussions
— Strong Computer Science fundamentals (data structures, algorithms, OOP, system design, scalability patterns)
— User- and security-centric approach to system design, performance, and reliability
— Upper-Intermediate or higher level of English