Backend Engineer (6 month fixed-term contract)

About the Role: Our client, a leading UK charity managing one of the largest networks of volunteers, is embarking on an exciting digital transformation. We are seeking a mid to senior Server-Side Engineer to join the technical team. You will play a critical role in developing stable, scalable platforms that empower volunteers to continue their life-changing work.

What You'll Do

• Design, build, and optimize scalable back-end applications using NestJS and Docker.
• Develop robust RESTful APIs, integrate with front-end solutions, and manage PostgreSQL and MongoDB databases.
• Write unit and integration tests, troubleshoot performance issues, and maintain high security standards.
• Work closely with DevOps teams to align with CI/CD pipelines and ensure smooth deployments.

What You Bring

• 5+ years of experience as a server-side/back-end engineer.
• Expertise in NestJS, Node.js, TypeScript, and RESTful API development.
• Proven track record in containerization (Docker), CI/CD pipelines, and automated deployments.
• Proficiency with GraphQL, OAuth, JWT, and testing frameworks (Jest, Cypress, Mocha).
• Strong understanding of server-side architecture and performance optimization.

Benefits

• Competitive basic salary.
• Opportunity to contribute to a meaningful cause and see the direct impact of your work.
• Flexible remote working options for a better work-life balance.
• Room for professional growth and a collaborative, inclusive team culture.