Senior Backend Engineer / Tech Lead

You will take full ownership of our backend and internal systems, including architecture, workflows, and integrations across the entire back-office platform.

Сollaborate closely with Product, Data, and DevOps teams to design and deliver robust solutions. Provide input or contributions to frontend processes as required.

Responsibilities:

• Own and drive the development of backend/core systems end-to-end, ensuring long-term reliability, scalability, and maintainability.
• Plan and deliver features predictably, proactively managing dependencies, risks, and trade-offs across teams.
• Advocate for high standards of code quality, observability, and reliability in production.
• Contribute to frontend development when needed and provide technical guidance to frontend engineer.
• Mentor engineers, provide constructive feedback, and promote a culture of learning, collaboration, and continuous improvement.

Qualifications:

• Experience: 
  • 5+ years of experience in software engineering with a strong focus on backend development. 
  • Proven track record of designing and building scalable server-side applications. 
  • Prior experience as a Tech Lead is a plus.
• Leadership & Soft Skills: 
  • Ability to mentor team members and drive architectural decisions. 
  • Communicate complex technical concepts clearly.
  • Strong problem-solving skills and ownership mentality.
• Backend & Architecture: 
  • Deep proficiency in Node.js and TypeScript. 
  • Strong understanding of software engineering principles, design patterns, and building maintainable, scalable systems. 
  • Experience with frameworks like Nest.js, Fastify, or similar. 
  • Familiarity with dependency injection patterns (e.g., Inversify) and query builders (e.g., Kysely) is a plus. 
  • Experience designing and implementing RESTful APIs and integrating with third-party services.
• Frontend: 
  • Solid understanding of frontend development with React and TypeScript. 
  • Ability to contribute to frontend when needed and provide technical guidance to frontend developer.
• Database: 
  • Strong experience with SQL databases (PostgreSQL preferred), including schema design, query optimization, and data modeling.
• Cloud & Infrastructure: 
  • Experience with cloud platforms (AWS preferred), including deployment, scaling, and basic infrastructure management.
• Security: 
  • Understanding of secure application development, including authentication, authorization, role-based access control, and data protection.
• Testing & Quality: 
  • Proven experience with unit and integration testing.
  • Commitment to code quality, code reviews, and engineering best practices.

Interview Process:

1. Recruitment Interview - 30 min
2. Technical Interview - 1 hour
3. Leadership Interview - 1 hour
4. Introduction with CEO - 30 min