API Software Developer – HIRING ASAP

Start date: ASAP
Duration: 12-month contract
Location: Remote
Rate: £350 - £500 per day PAYE

Summary

Our client is seeking a skilled Software Developer for a temporary assignment based in London, UK. This position offers the opportunity to contribute to innovative projects in a dynamic, fast-paced environment. In this role, you must collaborate closely with external partners and internal teams on our clients’ messaging apps.

Responsibilities
  • Design, develop, and maintain software solutions, focusing on building and integrating APIs.
  • Collaborate with internal teams and external partners to deliver high-quality technical solutions.
  • Integrate large, complex third-party APIs.
  • Influence product development through technical expertise and partner engagement.
  • Ensure all deliverables meet our clients’ standards for quality, security, and compliance.
Key Skills
  • 5 years minimum experience
  • A mix of C, C , Rust, WASM, Erlang, Python
  • Proven experience building APIs and integrating large, complex third-party APIs.
  • Strong background in software development, with proficiency in relevant programming languages and frameworks.
  • Experience working with partners and influencing product development is a plus.
  • Excellent problem-solving skills and ability to work independently.
  • Strong communication and collaboration skills.
Top 3 Skills
  • Be able to understand how the API specifications, how to it works and test it independently.
  • Strong partner facing role, hence strong communication skills are required.
  • API design skills