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Backend Engineer

MastarRec · London, City of London, United Kingdom · Remote

Weak hiring record · median 292 days open

2626

Hiring signal

Ghost risk

Open 339 days · How we score

All reasons
  • Open 339 days
  • 97% of this employer's openings are over 60 days old

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  • Still listed on the employer's own board
  • Publishes a salary range

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Backend Engineer at MastarRec. We’ll keep it in your applied jobs, so you can see it later and be warned before applying to the same employer twice.

Job Description

We’re hiring a talented and experienced Backend Engineer to join an agile product development team working on modern web applications and scalable platforms. You’ll be responsible for building, maintaining, and optimising server-side logic and APIs, and contributing to full-stack solutions using JavaScript/TypeScript, Node.js, and React.

This is an opportunity to work in a fast-moving environment. Where innovation, reliability, and clean code are valued, supporting products within FinTech, Healthcare Technology, or SaaS ecosystems.

Job Responsibilities

  • Design, build, and maintain scalable server-side applications and RESTful APIs using Node.js, Express, or similar frameworks.
  • Collaborate with frontend engineers to build seamless integrations using React.js or similar JavaScript frameworks.
  • Write clean, well-tested, and documented code that adheres to modern development best practices.
  • Implement CI/CD pipelines and ensure reliable code deployment and integration.
  • Work cross-functionally with Product Managers, Designers, and QA to ship high-quality features.
  • Optimize system performance, troubleshoot production issues, and participate in code reviews.
  • Contribute to architectural decisions and refactor legacy systems when required.

Requirements

Required Skills

  • Strong hands-on experience with Node.js, Express, and API development
  • Proficiency in JavaScript/TypeScript
  • Solid understanding of SQL/NoSQL databases (e.g., PostgreSQL, MongoDB)
  • Experience with CI/CD pipelines and containerization (Docker)
  • Experience building and consuming RESTful or GraphQL APIs
  • Familiarity with version control tools (e.g., Git, GitHub)

Desired Skills

  • Frontend development experience with React.js, Next.js, or similar
  • Cloud deployment experience (AWS, Azure, GCP)
  • Experience in micro services architecture
  • Familiarity with Agile methodologies and TDD
  • Prior experience in FinTech, Healthcare, or SaaS is a plus

Benefits

Job Benefits

  • Competitive salary and performance bonuses
  • Private health insurance and wellness support
  • Remote-first policy with flexible working hours
  • Learning & development allowance
  • Equity / stock options (depending on client)
  • Modern tech stack, collaborative team culture

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