13 software engineer jobs found

Ruby On Rails Software Engineer - 100% REMOTE. £600-£650/day OUTSIDE IR35, 12 MONTH CONTRACT. Ruby Software Engineer sought for our prestigious client. For the immediate term work is primarily Rails, React and Python, with anticipated increasing exposure to Java and/or Rust. Deliverables: Taking a lead role in a small team, channel your inner product owner to meet customer requirements sustainably, meeting time-critical deadlines when required. Ensure outputs are designed to be simple, maintainable, and scalable. Drive requirements and display ownership of large, complex projects or systems. Work with stakeholders across multiple projects and communicate consistently and proactively. Identify, drive and support broader engineering efforts that improve the codebase to the benefit of multiple teams Ownership of code quality and user experience. Drive code quality for projects and guide others in performing code reviews. Ensure code passes standards for cleanliness,...

About Us In 2019, the founders were working as engineers solving complex cross-domain problems within government organisations. TwinStream was formed to bring together their collective expertise and experience into a single business, focused on delivering technical excellence and high-quality service to clients. Since then, the company has grown to over 100 team members across the UK, with colleagues working both on-site with clients, hybrid and remotely from home. Details: Rate: £450 - £550 Outside of IR35 Location: Remote with travel to Bristol as required Security Clearance: Must have DV clearance About the role: TwinStream software engineers (Java) develop components of a cross-domain security system within an agile development team. They are involved in the entire software development lifecycle, which includes understanding the need for change, software design, coding, testing, delivery, and support. A TwinStream software engineer is...

Senior C# Developer - up to £600 per day - REMOTE Role Type: Contract Title - Senior C# Engineer Client - Established Financial Institution Rate - Up to £600 P/D - OUTSIDE IR35! Location - Remote Duration: 6 month rolling My client is a well-established and successful tech house working in the finance sector who are looking a talented senior C# Developer, with outstanding technical and communication skills to join their existing team of software engineers and work on an exciting new project! You will get the chance to work with some of the best technologists out there, one some of the most up to date tech in the industry, on a greenfields project! This is a 6 month rolling Contract, with high possibility of extension, and can pay up to £600 P/D Requirements: Strong experience working with C#/.Net Experience working with Cloud Technologies (Azure preferred) Finance experience a plus! Strong Communication skills with a drive to be working with the best...

Senior C# Developer - Investment Banking £750/day | Outside IR35 | 12-month rolling contract | Largely Remote If you're a strong C# engineer with genuine Event Sourcing experience and interested in a long term banking project, get in touch I'm working with a leading investment bank looking for a strong Senior C# Developer to join a long-term project building and enhancing a large-scale Structured Notes platform. This is a hands-on engineering role with approximately 80% Back End C#/20% Front End, working on complex, distributed systems. The role: You'll be working across a modern .NET platform, designing and developing scalable Back End services while contributing to the Angular Front End where required. The environment involves large-scale distributed systems, asynchronous processing, Multithreading and event-driven architecture. Core technical requirements: Excellent C#/.NET development experience Strong .NET 8 knowledge Previous commercial Event...

Applied AI Systems Engineer Location: UK (Remote with occasional travel to customer sites) Security Clearance: Current SC Clearance is essential Contract: Initial 12-month contract with extension options About the Role We're looking for an experienced Applied AI Systems Engineer to design, build, deploy and support AI-enabled systems for Ministry of Defence customers operating in secure and mission-critical environments. This isn't a research role or a prototype lab. We're looking for someone who has built production systems that are relied upon by real users in operational environments. You'll take ownership of technical delivery from initial design through deployment, documentation, testing and ongoing support, working across secure cloud, on-premise and air-gapped environments. The ideal candidate understands that successful AI systems are more than models-they're secure, reliable, maintainable systems that solve operational problems. What You'll Be Doing...

Staff Full Stack Engineer (Contract) | Rust & Java (Primary) | React & Python (Secondary) | Fully Remote (UK-based) | £500-600+/day | Outside IR35 | 12-Month Contract We’re partnering with a fast-scaling, globally distributed tech business that’s investing heavily in the evolution of its platform – modernising backend services, improving frontend experiences, and setting long-term architectural direction. They’re looking for a Staff Full Stack Engineer (Contract) with strong commercial experience in Rust and Java, alongside hands-on experience building production-grade applications with React and Python. This is a high-impact, long-term contract within an experienced, product-focused engineering team, where you'll play a key role in developing scalable backend systems, delivering modern frontend experiences, and influencing architectural decisions. It’s well suited to an experienced contractor who enjoys owning complex technical challenges, working...

Staff Full Stack Engineer (Contract) | Rust & Java (Primary) | React & Python (Secondary) | Fully Remote (UK-based) | £500-600+/day | Outside IR35 | 12-Month Contract We’re partnering with a fast-scaling, globally distributed tech business that’s investing heavily in the evolution of its platform – modernising backend services, improving frontend experiences, and setting long-term architectural direction. They’re looking for a Staff Full Stack Engineer (Contract) with strong commercial experience in Rust and Java, alongside hands-on experience building production-grade applications with React and Python. This is a high-impact, long-term contract within an experienced, product-focused engineering team, where you'll play a key role in developing scalable backend systems, delivering modern frontend experiences, and influencing architectural decisions. It’s well suited to an experienced contractor who enjoys owning complex technical challenges, working...

Staff Full Stack Engineer (Contract) | Rust & Java (Primary) | React & Python (Secondary) | Fully Remote (UK-based) | £500-600+/day | Outside IR35 | 12-Month Contract   We’re partnering with a fast-scaling, globally distributed tech business that’s investing heavily in the evolution of its platform – modernising backend services, improving frontend experiences, and setting long-term architectural direction.   They’re looking for a Staff Full Stack Engineer (Contract) with strong commercial experience in Rust and Java, alongside hands-on experience building production-grade applications with React and Python.   This is a high-impact, long-term contract within an experienced, product-focused engineering team, where you'll play a key role in developing scalable backend systems, delivering modern frontend experiences, and influencing architectural decisions.   It’s well suited to an experienced...

Staff Full Stack Engineer (Contract) | Rust & Java (Primary) | React & Python (Secondary) | Fully Remote (UK-based) | £500-600+/day | Outside IR35 | 12-Month Contract We’re partnering with a fast-scaling, globally distributed tech business that’s investing heavily in the evolution of its platform – modernising backend services, improving frontend experiences, and setting long-term architectural direction. They’re looking for a Staff Full Stack Engineer (Contract) with strong commercial experience in Rust and Java, alongside hands-on experience building production-grade applications with React and Python. This is a high-impact, long-term contract within an experienced, product-focused engineering team, where you'll play a key role in developing scalable backend systems, delivering modern frontend experiences, and influencing architectural decisions. It’s well suited to an experienced contractor who enjoys owning complex technical challenges, working...

Azure Engineer - Azure Tenant Separation Contract | Outside IR35 | Fully Remote | SC Clearance Required Start: ASAP Duration: 20-30 days initially, with a strong view to extending into the delivery phase Location: Fully remote Security clearance: Current SC clearance essential We are seeking an experienced Azure Engineer to support an Azure tenant separation project for a UK software and services organisation. The project involves separating approximately 12 customer Azure subscriptions from a parent tenant into a new, independently governed tenant, supporting data sovereignty and compliance requirements. The initial engagement will focus on discovery and assessment , working closely with the Azure Architect and Project Manager to establish the current environment, identify dependencies and develop a practical approach to separation. There is a strong view to extending the engagement into implementation and delivery. Key Responsibilities Discover and...

Remote (UK based candidates only) Initial 6-Month Contract £450 pd Outside IR35 Possibility for extension We're looking for an experienced Technology Lead to drive a major AWS cloud modernisation programme, transforming Legacy Java applications into scalable, secure, cloud-native solutions. This is a hands-on leadership role combining architecture, software engineering, DevOps, database expertise and stakeholder engagement. You'll lead the design and delivery of modern AWS-based platforms, guide engineering teams, shape technical strategy and act as a trusted advisor throughout the transformation journey. Required Skills: 5+ years experience with AWS cloud architecture Hands-on expertise with ECS, Fargate, Lambda & API Gateway 10+ years professional experience in Java, Spring Boot & REST APIs Experience building microservices and serverless solutions Strong knowledge of DynamoDB and PostgreSQL/Aurora PostgreSQL Hands-on CI/CD, Jenkins, Git, Docker & Terraform...

Remote (UK based candidates only) | Initial 6-Month Contract | £450 pd Outside IR35 | Possibility for extension We're looking for an experienced Technology Lead to drive a major AWS cloud modernisation programme, transforming Legacy Java applications into scalable, secure, cloud-native solutions. This is a hands-on leadership role combining architecture, software engineering, DevOps, database expertise and stakeholder engagement. You'll lead the design and delivery of modern AWS-based platforms, guide engineering teams, shape technical strategy and act as a trusted advisor throughout the transformation journey. Required Skills: 5+ years experience with AWS cloud architecture Hands-on expertise with ECS, Fargate, Lambda & API Gateway 10+ years professional experience in Java, Spring Boot & REST APIs Experience building microservices and serverless solutions Strong knowledge of DynamoDB and PostgreSQL/Aurora PostgreSQL Hands-on CI/CD, Jenkins, Git, Docker &...

Remote (UK based candidates only) | Initial 6-Month Contract | £450 pd Outside IR35 | Possibility for extension We 're looking for an experienced Technology Lead to drive a major AWS cloud modernisation programme, transforming legacy Java applications into scalable, secure, cloud-native solutions. This is a hands-on leadership role combining architecture, software engineering, DevOps, database expertise and stakeholder engagement. You 'll lead the design and delivery of modern AWS-based platforms, guide engineering teams, shape technical strategy and act as a trusted advisor throughout the transformation journey. Required Skills: 5+ years experience with AWS cloud architecture Hands-on expertise with ECS, Fargate, Lambda & API Gateway 10+ years professional experience in Java, Spring Boot & REST APIs Experience building microservices and serverless solutions Strong knowledge of DynamoDB and PostgreSQL/Aurora PostgreSQL Hands-on CI/CD, Jenkins, Git,...