Backend Engineer

About the role

Senior Backend Engineer responsible for designing, developing, and maintaining scalable, secure, and high-performance backend systems, APIs, and microservices. This role involves building and integrating AI-powered features, including LLMs, AI agents, RAG pipelines, embeddings, vector databases, and external AI APIs, while developing backend architecture supporting AI-driven applications and automation workflows.

Key responsibilities

• Design, develop, and maintain scalable, secure, and high-performance backend systems, APIs, and microservices.
• Build and integrate AI-powered features, including LLMs, AI agents, RAG pipelines, embeddings, vector databases, and external AI APIs.
• Develop backend architecture supporting AI-driven applications and automation workflows.
• Work across the full software development lifecycle, from system architecture and database design to deployment and production monitoring.
• Collaborate on full-stack development when required, including integration between backend services and modern frontend applications.
• Design and optimize RESTful APIs, WebSockets, and third-party integrations.
• Manage relational and NoSQL databases, ensuring performance, scalability, data integrity, and security.
• Implement cloud infrastructure, CI/CD pipelines, containerization, logging, monitoring, and production deployment.
• Troubleshoot complex technical issues and improve system reliability, performance, and scalability.
• Provide technical leadership through code reviews, architecture decisions, engineering standards, and mentoring junior/mid-level developers.
• Collaborate closely with AI engineers, product teams, and management to translate business requirements into reliable technical solutions.
• Evaluate new technologies and AI frameworks and determine their suitability for production implementation.

Qualifications

• 5+ years of professional software engineering experience, with strong specialization in backend development.
• Proven experience working in a Senior Backend Engineer, Senior Software Engineer, or Full-Stack Engineer capacity.
• Strong proficiency in backend technologies such as Python, Node.js/TypeScript, Go, Java, or similar technologies.
• Hands-on experience building production systems involving AI, Machine Learning, LLMs, AI Agents, or Generative AI.
• Experience integrating platforms such as OpenAI, Anthropic, Gemini, or other LLM/AI APIs.
• Familiarity with RAG architecture, vector databases, embeddings, prompt orchestration, and AI agent workflows is highly preferred.
• Strong understanding of REST APIs, microservices architecture, asynchronous processing, authentication, and system integrations.
• Strong knowledge of SQL and NoSQL databases, database architecture, and performance optimization.
• Experience with AWS, GCP, or Azure, Docker, CI/CD, Git, and production deployment environments.
• Good understanding of frontend technologies such as React, Next.js, JavaScript/TypeScript, with the ability to contribute to full-stack development when necessary.
• Strong knowledge of software architecture, design patterns, security, scalability, and clean coding practices.
• Proven ability to independently solve complex technical problems and make senior-level architectural decisions.
• Strong communication skills in English and ability to work effectively with international and cross-functional teams.