Back to Careers

Backend Engineer

Full-timeEngineeringNairobi / Remote

Join our backend team to architect and build scalable APIs and services. Experience with Node.js, PostgreSQL, and cloud infrastructure required.

About The Role

As a Backend Engineer at Castynet Studios, you will design and build the server-side infrastructure that powers our client applications. You will work on challenging problems involving data processing, API design, authentication systems, and third-party integrations. Our backend team values clean architecture, comprehensive testing, and documentation. You will have the autonomy to make technical decisions while collaborating with a supportive team of engineers.

Responsibilities

  • Design and implement RESTful and GraphQL APIs for web and mobile applications
  • Build and maintain PostgreSQL databases with efficient schema design
  • Develop authentication and authorization systems using modern security practices
  • Integrate with third-party services including payment gateways and messaging platforms
  • Write comprehensive unit and integration tests for all backend services
  • Monitor application performance and implement optimizations
  • Document APIs and technical decisions for team reference
  • Participate in on-call rotations to ensure system reliability

Requirements

  • 4+ years of backend development experience
  • Strong proficiency in Node.js and TypeScript
  • Experience with PostgreSQL and database design principles
  • Understanding of RESTful API design and best practices
  • Familiarity with cloud platforms (AWS, GCP, or similar)
  • Experience with containerization (Docker) and orchestration
  • Knowledge of authentication standards (OAuth, JWT)
  • Strong debugging and problem-solving skills

Nice To Have

  • Experience with Supabase or Firebase
  • Knowledge of message queues (Redis, RabbitMQ)
  • Experience with serverless architectures
  • Understanding of GraphQL
  • Background in DevOps practices

Apply Now

Drop resume or browse

PDF, DOC, DOCX (max 5MB)

Drop cover letter or browse

PDF, DOC, DOCX (max 5MB)

We ship the same apps, websites, and software as the rest of the market, but with a standard of quality and precision they can’t match.