8 senior software engineer jobs found

Senior Software Engineer x2 - Outside IR35 - Contract (Media Client) About the role Essential: Self-starter, someone who can pick up context quickly, drive outcomes efficiently, and to a high quality Competent in doing high-level designs, solution management, and scoping Understanding of data modelling best practices Ability to translate technical solutions to non-technical stakeholders and bring them on the journey Experience working in an agile delivery environment Experience working with React, TypeScript, Azure, Microsoft SQL, and Databricks (if they don’t have all of these, that’s workable, but be good to understand any they don’t have experience with) Skills & Experience: Backend: Java, Maven, Dropwizard Frontend: TypeScript, React Python AWS, OpenSearch It would be nice if you have AI coding experience, and ideally some familiarity with more traditional ML techniques for things like entity recognition £500-600 per day...

Senior Software Engineer - Outside IR35 - Contract (Insurance) About the role Essential: Self-starter, someone who can pick up context quickly, drive outcomes efficiently, and to a high quality Competent in doing high-level designs, solution management, and scoping Understanding of data modelling best practices Ability to translate technical solutions to non-technical stakeholders and bring them on the journey Experience working in an agile delivery environment Experience working with React, TypeScript, Azure, Microsoft SQL, and Databricks (if they don’t have all of these, that’s workable, but be good to understand any they don’t have experience with) Frontend: React + TypeScript + Vite Material UI with Emotion for styling TanStack React Query 5 for server state React Router 7 React Hook Form+Yup for forms/validation MSAL for Entra ID auth Jest+Testing Library for unit tests; Playwrightfor E2E and visual tests Hosted as an Azure Static...

Senior Software Engineer (Kotlin, Java, SpringBoot, AWS) | SC Cleared - Outside IR35 Circa £550 per day | Outside IR35 Fully Remote 3-Month Initial Contract (Strong Extension Potential) Immediate Start / ASAP We're supporting a fast-growing technology consultancy that delivers large-scale digital transformation programmes across both public and private sector organisations. They're looking for a Senior Software Engineer with a strong backend lean, to join a high-performing engineering team working on a transformation project. Essential Skills Active Security Clearance (SC) Kotlin Java Spring Boot AWS Terraform Thymeleaf Strong experience building scalable backend services and APIs The role offers the chance to work alongside experienced engineers in a collaborative environment, helping deliver modern cloud-native solutions whilst contributing to technical direction and engineering best practice. Please apply for immediate...

Software Engineer (Golang) - Contract 6 months initial | Outside IR35 | Remote (occasional travel to Manchester / London) | BPSS required Client: Pixel Global (DWP) We 're looking for a Golang Software Engineer to drive automation and process optimisation across a major government programme What you 'll be doing: Building in Golang, creating frameworks to enable scalable automation Working with stakeholders to pilot and embed repeatable automated processes Shaping automation approaches aligned to defined standards (TS Red Lines) Challenging manual processes and identifying where automation adds real value What we need: Strong Golang development experience Experience building automation frameworks or tooling Confident engaging stakeholders and challenging existing processes Ability to assess automation vs manual trade-offs This is an immediate impact role with strong extension potential beyond 2026. Please click on the...

Senior Full Stack Engineer : Up to £500 per day Outside IR35 : Fully Remote : London A growing EdTech company is seeking a Senior Full Stack Engineer to join an ambitious team building a creator-led tutoring platform. They are moving fast and building something genuinely new in education. As a Senior Full Stack Engineer, you will work closely with the engineering team, ship features end-to-end, and see your code reach real users within days. Key Responsibilities as a Senior Full Stack Engineer: Build and ship features across the full stack Design and implement APIs and database schemas for new product features Integrate and optimise video streaming infrastructure Work with AI and ML models to power personalised tutoring features Implement payment flows and subscription management via Stripe Skills & Key Requirements: Strong React and Next.js skills Expertise with AWS Proficiency with Claude Code and agentic development patterns PostgreSQL...

I have partnered with a top-tier business intelligence provider who are looking for a Senior .NET/Angular contractor to help them out over their next few sprints. 💷 Up to £500 per day (Outside IR35) 🏢 once a week in London office (mandatory) 📅 3 initially with possibility of extension 🧐 Focus: working on highly performant web apps ad backend systems as well as integration across multiple services and databases. ⚙️ Skills: Angular, .NET Core 7/8, API development, MongoDB, MySQL, Entity, AWS, Claude & Cursor 👉 Advantageous skills: knowledge of Python/Gen AI application and database deployment ❗ Must have UK right to work and be able to commute to London once a week.

Senior Machine Learning Engineer | Contract Role Outside IR35 | £600-700/day | Remote in the UK | Initial 3 Months We’ve partnered with a fast-growing tech business undergoing a major rebuild of one of their core platform capabilities. They’re looking for a Senior Machine Learning Engineer to help design and develop the modelling logic that underpins a critical decision-making system. This role sits at the intersection of machine learning, applied modelling, and software engineering - focused on solving complex, real-world problems rather than building standard predictive models. This is a hands-on role working within a small, high-impact team on a greenfield build, with direct input into how the system evolves over time. This is outside IR35, fully remote, with an initial 3-month contract and strong potential for extension. Key Responsibilities Design and build modelling logic that represents real-world rules, constraints, and pricing/cost...

Senior Full Stack Engineer (AI) | Outside IR35 | 100% Remote We're working with an AI-first business looking for a Senior Full Stack Engineer to help build AI-powered products, agentic workflows, chatbots, and automation solutions. You'll be responsible for delivering end-to-end solutions, working closely with stakeholders to turn requirements into scalable applications. Rate - Up to £600 Per day (Outside IR-35) Key Skills: TypeScript Next.js React Node.js AWS GitHub Actions Terraform Containers / Docker Experience using AI coding tools such as Claude Code Desirable: LangChain n8n Databricks AI Agents / Agentic Workflows We're looking for someone who: Can work independently Has strong software engineering fundamentals Is comfortable owning projects from concept to deployment Has a genuine interest in AI technologies Please note: As you'll be working closely with US-based founders, some flexibility is required to...