Job Url: https://careers.n-ix.com/jobs/4421472101-java-senior/

Job Description: We’re looking for a Senior Backend Engineer with strong expertise in Java and Cloud-Native architecture to join our engineering team on a strategic project aimed at enhancing the stability, scalability, and resilience of our SaaS platform. This is an exciting opportunity to work on a complex, large-scale microservices platform where your work will directly impact system performance and reliability. You’ll have the autonomy to work end-to-end, optimize existing services, and contribute to the evolution of our platform’s architecture.

Key Responsibilities:

Analyze and optimize performance-critical Java/Quarkus microservices;
Implement resilience patterns (e.g., Circuit Breaker, Load Shedding);
Improve API efficiency through payload optimization and caching strategies;
Collaborate with SRE and DevOps to enhance Kubernetes deployment configurations;
Support migration of selected endpoints from synchronous to asynchronous models.
Required Skills:

6+ years of experience in Java, Quarkus or Spring Boot, JPA/Hibernate;
Strong experience with REST APIs, PostgreSQL, Redis or similar caching tools;
Proven track record implementing resilience patterns and resolving performance bottlenecks in microservices;
Familiarity with Kubernetes, Prometheus, Docker;
Hands-on experience with CI/CD tools (Jenkins preferred);
Ability to write Helm Charts;
Understanding of core Kubernetes resources (Deployments, StatefulSets, Volumes, etc.);
Ability to actively develop for/on/with Kubernetes (cluster management not required).
Nice to have:

Experience with Istio.
We offer*:

Flexible working format - remote, office-based or flexible
A competitive salary and good compensation package
Personalized career growth
Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
Active tech communities with regular knowledge sharing
Education reimbursement
Memorable anniversary presents
Corporate events and team buildings
Other location-specific benefits
*not applicable for freelancers