Senior Backend Engineer

About the role

We are looking for a Senior Backend Engineer to build and operate scalable backend services on a high-traffic consumer platform. You will design RESTful APIs and distributed systems using Java and Spring Boot, while integrating backend infrastructure with AI and LLM-enabled features. The role offers broad technical ownership across platform reliability, API architecture, and AI-driven product development.

What you will do

• Design, build, and maintain scalable backend services using Java and Spring Boot;
• Develop and manage RESTful APIs following best practices across the full API lifecycle;
• Architect and optimize distributed systems with a focus on performance, scalability, and fault tolerance;
• Collaborate with cross-functional teams including data, product, and AI to deliver integrated solutions;
• Build backend capabilities that support AI-driven product features and LLM-based workflows;
• Contribute to system reliability, monitoring, and continuous improvement of platform services.

Must haves

• 4+ years of backend engineering experience working with production-grade systems;
• Expert proficiency in Java, Spring Boot, Gradle, and microservices architecture;
• Strong experience designing and building RESTful APIs, including API lifecycle best practices;
• Solid experience with relational databases such as PostgreSQL, MySQL, or similar;
• Proven experience with distributed systems, fault-tolerant design, and performance tuning;
• Ability to work with AI-driven requirements;
• Experience integrating or designing workflows around LLM-based services;
• Understanding of API patterns for AI services;
• Experience building backend features that enable AI-powered product experiences;
• Upper-intermediate English level.

Nice to haves

• Experience with asynchronous messaging systems such as Kafka or RabbitMQ;
• Familiarity with event-driven architectures;
• Experience with GraphQL, API gateways, or hybrid API ecosystems;
• Exposure to LLM/AI APIs such as OpenAI or Anthropic, or development of AI-enhanced features;
• Previous experience working in remote, distributed teams;
• Experience leading cross-functional initiatives or mentoring other engineers.