Onlano
Full Stack DevelopmentRemote

Senior Full Stack Engineer

Mercor - Company

London, UK, ๐Ÿ‡ฌ๐Ÿ‡ง United KingdomContract - Senior (4-7 years)0 applicantsCloses Jul 24, 2026

Salary

GBP 47,416 - 47,416 / year

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Job description

Job details

  • Location: London, UK
  • Work mode: Remote
  • Employment type: Contract (Not an internship)
  • Salary: GBP 47,416 per year

Role overview

Mercor is seeking a Senior Full Stack Engineer to join their team in a fully remote capacity. This role focuses on designing and maintaining high-performance full-stack applications to connect elite technical talent with leading AI research labs. You will leverage Python and modern API architectures to build scalable systems.

Job details

This is a Contract position based in London, UK, operating as a Fully Remote role. This is not an Internship. The compensation for this position is listed at 47,416 GBP, though hourly rates of 80โ€“80โ€“130 are mentioned in the employer description.

Responsibilities

  • Design, develop, and maintain robust full-stack applications using Python.
  • Build and integrate scalable APIs and MCP-based systems.
  • Collaborate with cross-functional teams to deliver high-quality technical solutions.
  • Optimize application performance and ensure system reliability.
  • Implement best practices for code quality and maintainability.

Requirements

  • Proven experience as a Senior Software Engineer or Full Stack Developer.
  • Advanced proficiency in Python and full-stack development frameworks.
  • Strong experience in designing and integrating complex APIs.
  • Ability to work independently in a fully remote, fast-paced environment.
  • Excellent problem-solving skills and technical leadership capabilities.

Benefits

  • Competitive contract hourly rates.
  • Fully remote work flexibility.
  • Opportunity to work with elite AI research labs.
  • Exposure to high-profile investors and industry leaders.

Keywords

PythonFull StackAPI IntegrationMCPSoftware ArchitectureAI ResearchRemote Work