Senior Java Developer

We are looking for a Senior Java Developer to lead the enhancement and integration of a newly acquired Payment Hub into our existing ecosystem (two platforms). In this role, you will architect and implement complex backend services using Java 16, Spring Boot 2.4, and modern infrastructure tooling. You will mentor junior developers, ensure coding standards, and collaborate with DevOps and Architect to create scalable, robust solutions running on AWS.

We’re Looking For: 

- 5+ years of experience in Java development, including Java 8+ (Java 16 preferred) and Spring Boot. 

- Strong expertise in microservices architecture, RESTful APIs, and Maven build processes. 

- Experience with relational databases (PostgreSQL), caching (Redis), and database migration tools like Liquibase. 

- Familiarity with authentication/authorization solutions (Keycloak). 

- Proven experience deploying applications to AWS and integrating with services like EC2, RDS, S3, and Cloudwatch. 

- Good understanding of Docker, Kubernetes, and CI/CD pipelines. Strong communication, leadership, and mentoring skills. 

- Understanding of payment and financial systems, also high-loading and fault tolerance platforms.

Nice to have: 

- Knowledge of AWS networking (VPC, Route 53, ELB) and security best practices (Secrets Manager). 

- Experience with Terraform, Helm, and Infrastructure as Code. 

- Familiarity with front-end integration and Node. js-based tooling. 

What You’ll Do: 

- Participate in code assessment and review. 

- On-call support. 

- Lead the design, development, and maintenance of Java-based microservices. 

- Implement best practices in coding, testing, and performance optimization. 

- Mentor junior developers and contribute to architectural decisions.

- Integrate and enhance platform functionalities, ensuring reliability and scalability. 

- Collaborate closely with DevOps on CI/CD, containerization, and infrastructure provisioning. 

- Provide technical expertise, review code, and drive continuous improvement initiatives 

We offer: 

- Flexible work schedule remotely 

- Paid sick leave and vacation days 

- Cool and creative gifts for holidays and important events of employees - Necessary equipment for work as needed 

- Opportunity to participate in company's internal events: open discussions 

- Product meetups and training sessions on soft skills development 

- Absence of micromanagement, hierarchy, quick decision-making.