Senior Java Developer

Responsibilities:

• Design and implement core backend services and data pipelines;
• Write clean, readable, and maintainable codeDevelop services for the b2b product line;
• Actively participate in developing and improving architecture;
• Document architectural decisions and operational knowledge for successful deployment and service operations;
• Ensure appropriate test coverage with unit and integration testingFocus on performance and cost efficiency for areas of responsibility;
• Follow best practices in software design and development and promote them within the team;
• Ensure reliable alerting, dashboards, and runbooks for production services;
• Debug production issues, analyze complex cases, and conduct investigations;
• Work smoothly in a technical culture with testing, CD, and DevOps;
• Collaborate within the team and with other engineering teams to develop new features and products according to business needs.

Required Experience:

• Java: 6+ years of professional backend development in enterprise environment;
• Java Concurrency: Strong understanding and practical application experience;
• Understanding of SOA, microservice, and event-driven architecture;
• Cloud development principles with practical AWS experience;
• Ability to scale and ensure high availability of loaded systems.

Required:

• Kafka, MongoDB, Redis;
• Enterprise-grade stack (messaging brokers, in-memory storages, NoSQL, key-value databases);
• Docker and Kubernetes (containerized applications);
• Spring;
• Git, Gradle.

Nice to Have:

• Kotlin: Knowledge and practical work experience;
• Netty, gRPC, Project Reactor, NATS;
• Strong knowledge of unit testing and automated test paradigms.

We offer:

• the opportunity to share and implement your own ideas that could impact products and production;
• work with a motivated team and an environment with a zero-bullshit culture;
• competitive salary;
• medical insurance;
• corporate English classes;
• compensation for professional training;
• the chance to take part in beta testing of Ajax security systems — receive and test new devices before their release.