Java Backend Developer

Job Description

We are currently looking for an experienced and skilled Java Backend Developer to join our team. In this role, you will play a crucial part in the development and maintenance of our applications.

Responsibilities

• Developing new features and supporting the current application
• Participate in all phases of the software development life cycle (SDLC)
• Provide test coverage (unit and functional tests)
• Fixing bugs in different project modules
• Prepare necessary technical documentation
• Work with third-party integrations (payment systems, services, etc.)
• Perform work in preparing the developed software for release and producing its release
• Conduct debugging of the developed software and correct it in the process of completion
• Collaborate with the front-end developers, DevOps, and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience
• Perform and optimize problems, particularly at a large scale, and demonstrate an ability to diagnose and prevent these problems

Requirements

• Java development experience of more than 3 years and desire to develop at the backend in general
• Good knowledge of Spring Framework
• Experience with gRPC and sockets
• Knowledge of relational databases (PostgreSQL, MySQL, etc) and query optimization (indexes, partitioning, concurrency)
• NoSQL database experience (MongoDB)
• Experience with caching systems (Redis)
• Docker, experience in writing Dockerfiles or base images
• Experience with Git
• Knowledge and understanding of OOP principles, design patterns, and clean code
• Knowledge, understanding, and following the principles of DIE, YAGNI, KISS, DRY, and SOLID
• Knowledge of Unix systems
• At least basic knowledge of Unit testing
• English Level should be enough to read technical documentation and communicate with colleagues (B1+)

Nice to have

• Experience with message broker systems (RabbitMQ, Redis pub/sub, etc)
• Experience with event streaming platforms (Kafka)
• Knowledge of JavaScript and TypeScript, experience in Node.js
• Experience with Gitlab CI/CD
• OpenAPI (swagger)
• Agile/Scrum experience