Contract Spy
  • Join Contract Spy
  • Member Area
  • Blog
  • Member Sign in
  • Sign up
  • Join Contract Spy
  • Member Area
  • Blog

6 backend software engineer jobs found

Refine Search
Current Search
United Kingdom backend software engineer Remote
Refine by Contract Type
Duration not stated  (4) up to 6 Months  (1) Hourly/Freelance  (1)
Refine by City
Remote  (6)
Contract Spy
Mar 12, 2026
Duration not stated
Python Developer - Remote $ 120/Hours at YO IT CONSULTING, United Kingdom, £80 - £200 an hour
Contract Spy Remote (United Kingdom)
hiring experienced Python Engineers to support a variety of high-impact research collaborations with leading AI labs. Freelancers will help improve AI systems through work extending coding benchmarks that reflect real-world development across diverse languages and domains. This is a unique opportunity to apply your engineering expertise toward shaping the next generation of intelligent systems. Key Responsibilities Develop and validate coding benchmarks in Python by curating issues, solutions, and test suites from real-world repositories Ensure benchmark tasks include comprehensive unit and integration tests for solution verification Maintain consistency and scalability of benchmark task distribution Provide structured feedback on solution quality and clarity Debug, optimize, and document benchmark code for reliability and reproducibility Ideal Qualifications 3–10 years of experience as a backend software engineer, ML engineer, or...
Contract Spy
Feb 26, 2026
Hourly/Freelance
Python Developer at YO IT CONSULTING, Remote, £Hourly Rate
Contract Spy Remote (United Kingdom)
hiring experienced Python Engineers to support a variety of high-impact research collaborations with leading AI labs. Freelancers will help improve AI systems through work extending coding benchmarks that reflect real-world development across diverse languages and domains. This is a unique opportunity to apply your engineering expertise toward shaping the next generation of intelligent systems. Key Responsibilities Develop and validate coding benchmarks in Python by curating issues, solutions, and test suites from real-world repositories Ensure benchmark tasks include comprehensive unit and integration tests for solution verification Maintain consistency and scalability of benchmark task distribution Provide structured feedback on solution quality and clarity Debug, optimize, and document benchmark code for reliability and reproducibility Ideal Qualifications 3–10 years of experience as a backend software engineer, ML engineer,...
Contract Spy
Mar 17, 2026
up to 6 Months
Senior DevOps Engineer at Ministry of Justice, Remote, 5 Months, £Contract Rate
Contract Spy Remote (United Kingdom)
About the Role   Join the Justice Redact team at the Ministry of Justice to design and build both the backend and frontend of an AI-powered Personally Identifiable Information (PII) redaction Minimum Viable Product (MVP). You'll work alongside Full-Stack Developers, Data Scientists, a User Researcher, Product Lead, Delivery Manager, Subject Matter Experts and a Senior Interaction Designer.   The team's Data Scientists have already developed an early prototype and you'll work closely with them to ensure everything runs smoothly, securely and reliably from front-end to back-end. This project addresses a major challenge: meeting rising demand for data through Subject Access Requests (SARs), Freedom of Information (FOI) requests and other information-heavy use cases. Current workflows are manual and fragmented, making it hard to meet strict legal deadlines and driving up costs. Your role will be pivotal in modernising these processes, improving efficiency and...
Contract Spy
Mar 16, 2026
Duration not stated
Rust Developer - AI Training at YO IT CONSULTING, Remote, £Contract Rate
Contract Spy Remote (United Kingdom)
Contract Remote Role Description As an hourly paid, fully remote Rust Engineer for AI Data Training, you will review AI-generated Rust code and explanations or generate your own, evaluate the reasoning quality and step-by-step problem-solving, and provide expert feedback that helps models produce answers that are accurate, logical, and clearly explained. You will assess solutions for correctness, safety, and adherence to the prompt; identify errors in ownership, borrowing, lifetimes, or algorithmic reasoning; fact-check information; write high-quality explanations and model solutions that demonstrate idiomatic Rust patterns; and rate and compare multiple AI responses based on correctness and reasoning quality. This role is with, a fast-growing AI Data Services company and subsidiary of that provides AI training data for many of the world’s largest AI companies and foundation model labs. Your work will directly help improve the world’s premier AI models...
Contract Spy
Mar 02, 2026
Duration not stated
Rust Developer -AI Training at YO IT CONSULTING, Remote, £Contract Rate
Contract Spy Remote (United Kingdom)
Contract Remote Role Description As an hourly paid, fully remote Rust Engineer for AI Data Training, you will review AI-generated Rust code and explanations or generate your own, evaluate the reasoning quality and step-by-step problem-solving, and provide expert feedback that helps models produce answers that are accurate, logical, and clearly explained. You will assess solutions for correctness, safety, and adherence to the prompt; identify errors in ownership, borrowing, lifetimes, or algorithmic reasoning; fact-check information; write high-quality explanations and model solutions that demonstrate idiomatic Rust patterns; and rate and compare multiple AI responses based on correctness and reasoning quality. This role is with, a fast-growing AI Data Services company and subsidiary of that provides AI training data for many of the world’s largest AI companies and foundation model labs. Your work will directly help improve the world’s premier AI models...
Contract Spy
Mar 02, 2026
Duration not stated
Senior Software Developer at Tangible, Remote, £Contract Rate
Contract Spy Remote (United Kingdom)
Location : Fully Remote Team : Tech Team Employment Type: Contract Tangible is a fast-growing, tech-driven platform providing liquidity solutions to LPs and GPs in the private-markets secondaries space. By combining deep sector expertise with modern infrastructure, we unlock liquidity across private equity, private credit, and real assets, transforming the industry and enabling investors to move faster and smarter. Tasks • Design, develop, and maintain robust, scalable application features and services. • Contribute to both client-facing and server-side components of the platform. • Write clean, readable, and well-tested code following engineering best practices. • Participate in architectural discussions and contribute to system design decisions. • Collaborate closely with QA, DevOps, Product, and Design teams. • Review code, participate in pull requests, and support pair programming. •...
  • Contact
  • How it Works
  • Terms & Conditions
  • Help on Search & Alerts
  • Employer
  • Post a Contract Job
  • Employer Sign in
  • Contractor
  • Subscribe
  • Twitter
  • LinkedIn
  • Facebook
© 2008-2026 ContractSpy