3 contract applications developer jobs found

AI Engineer (Contract) – £500/day Outside IR35 📍 Canary Wharf, London (3 days onsite) 🇬🇧 UK-based applicants only We’re looking for experienced AI Engineers who think holistically, automate relentlessly, and know how to turn modern AI capabilities into production-grade, high-impact applications . Our AI organisation is building real-world AI products that deliver business value at speed. This role is ideal for seasoned engineers who combine strong software engineering fundamentals with a pragmatic, hands-on approach to AI tooling and infrastructure. What you’ll be doing Designing, building, and maintaining production-grade AI applications using modern engineering practices (CI/CD, testing, observability, cloud-native design). Developing reusable AI platforms and tools (e.g. conversational bots, AI-powered search, unstructured data processing, GenAI solutions). Working in cross-functional, embedded teams with business stakeholders to rapidly deliver...

Ruby on Rails Developer | Outside IR35 | Remote The Role We're looking for an experienced Ruby on Rails Developer to join a fast-paced, product-led environment focused on building and enhancing a highly scalable SaaS platform. The initial focus will be on a Rails upgrade across a mature codebase, followed by integration work across multiple services and platforms. You'll be working in a collaborative, engineering-driven team, contributing to a platform that places strong emphasis on performance, security, and real-world impact. Key Responsibilities Lead and deliver a Ruby on Rails upgrade across an existing production system Identify risks, dependencies, and improvements as part of the upgrade process Design and build robust RESTful APIs to support internal and external integrations Contribute to integration work with third-party systems and internal services Write clean, maintainable, and well-tested code Collaborate with engineers, product teams, and stakeholders...

Title: Golang Developer Length: 6-months contract Rate: £400 per day (Outside IR35) Contact: Thomas.price@forsythbarnes.com Overview We are looking for an experienced Golang Developer to join our engineering team and play a key role in building scalable, high-performance systems. You will work on modernising our architecture, developing microservices, and ensuring reliability across production environments. Key Responsibilities • Design, develop, and maintain scalable microservices using Golang • Contribute to system architecture decisions, including migration from monolith to microservices • Optimise and manage PostgreSQL databases, including indexing and partitioning strategies • Ensure application performance and reliability through monitoring, alerting, and testing • Implement and manage asynchronous communication using Kafka • Build and maintain deployment pipelines and support production environments • Collaborate with cross-functional teams...