77 software engineer jobs found in Leeds

Contract Full Stack Engineer 3-Month Contract (Potential Extension) £500pd Outside of IR35 Leeds / Hybrid WRK Digital have partnered with an innovative technology consultancy supporting a cutting-edge end client delivering groundbreaking work in the AI space. If you're a React, Next.JS engineer with a passion for AI and want to work on meaningful digital transformation projects at the forefront of emerging technology, this is a contract worth exploring. The Role You’ll be developing high-impact features using React, Next.js, and TypeScript while integrating advanced AI capabilities through LLMs and Claude APIs. If you’re excited by modern JavaScript frameworks and practical AI engineering, this one’s for you. The end client is a financial services organisation. The use of AI is to speed up the companies KYC process, so experience in this type of project is really advantageous. The right candidate will have commercial AI experience and be a...

Contract Full Stack Engineer 3-Month Contract (Potential Extension) £500pd Outside of IR35 Leeds/Hybrid WRK Digital have partnered with an innovative technology consultancy supporting a cutting-edge end client delivering groundbreaking work in the AI space. If you're a React, Next click apply for full job details

Embedded Software Engineer | 6-Month Contract (Outside IR35) | Cambridge Location: Cambridge, UK Contract Type: 6 months (Outside IR35) Rate: Competitive (DOE) Security Clearance: SC Clearance required About the Role We are working with a leading UK defence and security technology consultancy, engaged in developing cutting-edge solutions that protect the UK from emerging technological and cyber threats. As an Embedded Software Engineer, you’ll work alongside a multi-disciplinary team of scientists and engineers to design, develop, test, and deliver prototype solutions. This is a hands-on, technically challenging role where your work will have real-world impact. Responsibilities: Develop embedded software for high-tech systems, primarily in C (Linux environment) Collaborate with teams on design, prototyping, and full product lifecycle development Debug and optimise software and hardware interfaces Contribute to technical problem-solving and innovative solutions Required...

Embedded Software Engineer - Contract - Outside IR35 The successful embedded software engineer will be operating at the boundary of technological exploration through inventions and cutting-edge technology. Typically, this will involve going through the whole product life cycle. The successful embedded software engineer will capture, design, develop, document, test, and deliver through to the prototype production. This will use all your experimental and problem-solving skills. You will get to enjoy a broad range of technically demanding projects with the freedom to find solutions. Requirements / Nice to have: Embedded Linux, Yocto or Petalinux Zynq Ultrascale FPGAs C++ QT Embedded C exposure would be beneficial Python would also be beneficial Key details: 4 days a week in Cambridge. Active SC clearance would be ideal but lapsed clearance would be okay. 2 stage interview process. Outside IR35. Initial 6 months with view to extend for a...

Senior Java Software Engineer (Contractor) UK-Based | Fully Remote Outside IR35   Contract to Dec 2026 We are supporting a global engineering and technology organisation in the search for a Senior Java Software Engineer (Contractor) to join their Performance Engineering & Research team. This is a fully remote opportunity (UK-based candidates only) working on robust, scalable software that supports sophisticated control algorithms and performance optimisation systems. The Role You will design, build and maintain efficient, high-performance Java applications, contributing across the full software development lifecycle including: Requirements analysis and system design Development and implementation Testing and deployment CI/CD and automation improvements Technical documentation Working under the guidance of the Principal Performance Engineer, you will collaborate with solution design, integration, simulation and delivery teams globally. What...

Senior Java Software Engineer (Contractor) UK-Based Fully Remote Outside IR35 Contract to Dec 2026 We are supporting a global engineering and technology organisation in the search for a Senior Java Software Engineer (Contractor) to join their Performance Engineering & Research team. This is a fully remote opportunity (UK-based candidates only) working on robust, scalable software that supports sophisticated control algorithms and performance optimisation systems. The Role You will design, build and maintain efficient, high-performance Java applications, contributing across the full software development lifecycle including: Requirements analysis and system design Development and implementation Testing and deployment CI/CD and automation improvements Technical documentation Working under the guidance of the Principal Performance Engineer, you will collaborate with solution design, integration, simulation and delivery teams globally. What We’re...

Contract role : Senior Software Engineer : Up to £475 per day Outside IR35 : 6 months rolling : Hybrid Monthly (London) An innovative digital consultancy is looking for experienced Senior Software Engineers to design and architect scalable, high-performance systems for a cutting-edge platform being developed for a major client. In this role, you'll tackle complex technical challenges as part of an agile team following Scrum methodologies. As a Senior Software Engineer, you'll set the standard for code quality and best practices, actively contributing to code reviews and collaborative programming sessions with your team. As a Senior Software Engineer, you will be experienced with: C#, .Netcore JavaScript, React.js AWS Key information: Up to £475 per day Outside IR35 6 months rolling Hybrid Monthly (London) This is an exciting opportunity for a Senior Software Engineer to join a high-performing development team. Contract role : Senior Software...

Contract Lead Software Engineer Cloud/Serverless (Outside IR35) Hybrid Nottingham (max 2 days per month onsite) 6 Months Initial Contract We are currently supporting a leading UK digital transformation consultancy on the search for an experienced Lead Software Engineer to join a high-performing delivery team on an enterprise-scale programme click apply for full job details

Embedded Software Contractor As a Software engineer with my client will be at the forefront of innovation, helping to defend and protect the UK from the latest technological and cyber threats.You will get to explore pioneering concepts by collaborating with elite multi-disciplinary teams of highly educated and skilled scientists, engineers, and designers. You'll see ideas become a reality as you create prototypes. Requirements: - Active SC or DV clearance. - Experience using: Python, Linux, C++, GUIs, Embedded C Key details: - Onsite based in Cambridge - 4 day compressed work week is an option - Outside IR35 - Open rate - 6 month length + extension If this role is of interest then please apply or reach out to Ollie Hawkins

Embedded Software Contractor As a Software engineer with my client will be at the forefront of innovation, helping to defend and protect the UK from the latest technological and cyber threats.You will get to explore pioneering concepts by collaborating with elite multi-disciplinary teams of highly educated and skilled scientists, engineers, and designers. You'll see ideas become a reality as you create prototypes. Requirements: - Active SC or DV clearance. - Experience using: Python, Linux, C++, GUIs, Embedded C Key details: - Onsite based in Cambridge - 4 day compressed work week is an option - Outside IR35 - Open rate - 6 month length + extension If this role is of interest then please apply or reach out to Ollie Hawkins

Senior Full-Stack Software Engineer (AI/ML Specialist) Contract role, 12 months duration Rate- £500/day Outside ir35, fully work from Home The role is with one of our Global Clients looking for a Senior Full-Stack Software Engineer with deep expertise in AI-powered application development to join their team. This is a senior individual contributor role with opportunities to work on complex, high-impact AI projects across Azure cloud Infrastructure, and AI/ML platforms. Responsibilities: - Design and build scalable, enterprise-grade full-stack multi-agent , agentic AI applications using modern frameworks including Python, Next.js, TypeScript and Node.js. Architect and integrate AI/ML capabilities including RAG pipelines, AI agent orchestration, and LLM-powered features using OpenAI, Azure OpenAI, and LangChain/LangGraph Lead technical design decisions across API design, microservices architectures, translating complex business requirements into clean,...

CONTRACT SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW CONTRACT JOB OPPORTUNITY AVAILABLE WITHIN A LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Contract job opportunity for a Senior Software Engineer Globally leading defence / cyber security company £500 - £750 per day (inside and outside IR35 roles available) London based organisation in an easily accessible location Contract Senior Software Engineer To apply please call or email WHO WE ARE? We are recruiting multiple contract Senior Software Engineers to work with various clients in London ranging from R &D companies, Multi-National Consultancies to SME 's and product based companies. Due to the nature of the work these clients do, you must hold enhanced DV Security Clearance. WHAT WILL THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver...

Senior Power BI Consultant - Outside IR35 Location: Central London (2-3 days on-site) Contract: 6-12 months, Outside IR35 Industry: Oil & Gas/Commodity Trading Role Summary A leading energy & commodity trading business is looking for a Senior Power BI Consultant to support ongoing analytics and data-modelling work. The role blends hands-on BI development with business engagement. Key Responsibilities * Build and optimise Power BI dashboards, semantic models, and data flows. * Lead data modelling across complex trading datasets. * Translate business requirements into technical specifications for offshore developers. * Ensure best practice in DAX, SQL, and BI design. * Work within the organisation's Databricks environment (platform familiarity expected). * Provide leadership, guidance, and clear communication to both business and technical teams. Required Skills * Expert-level Power BI, DAX, and data modelling. * Strong SQL and experience with large datasets. *...

Senior Full-Stack Software Engineer (AI/ML Specialist) Contract role, 12 months duration Rate- £500/day Outside ir35, fully work from Home The role is with one of our Global Clients looking for a Senior Full-Stack Software Engineer with deep expertise in AI-powered application development to join their team. This is a senior individual contributor role with opportunities to work on complex, high-impact AI projects across Azure cloud infrastructure, and AI/ML platforms. Responsibilities: - Design and build scalable, enterprise-grade full-stack multi-agent , agentic AI applications using modern frameworks including Python, Next.js, TypeScript and Node.js. Architect and integrate AI/ML capabilities including RAG pipelines, AI agent orchestration, and LLM-powered features using OpenAI, Azure OpenAI, and LangChain/LangGraph Lead technical design decisions across API design, microservices architectures, translating complex business requirements into clean,...

Senior C# Software Engineer (Contract) Location: London (Hybrid) Rate: £500 per day IR35 Status: Outside IR35 Duration: 6 Months (Initial) The Opportunity Join a high-performing engineering team within a London-based powerhouse that is currently dominating its sector. This company has moved past the startup phase into a period of sophisticated, sustainable growth, and they are now maturing their global platform to be truly cloud-agnostic. This role is perfect for a Senior Engineer who thrives on architectural variety. You won’t just be maintaining a single environment; you will be building high-throughput systems that leverage the best features across AWS, Azure, and GCP . The Role As a Senior C# Engineer, you will lead the development of mission-critical services that form the backbone of a rapidly scaling infrastructure. Your focus will be: Backend Development: Writing clean, testable, and high-performance code using the latest...

PLC Software Engineer Location: Heybridge, Essex, Full time on site Duration: 18 months Rate negotiable on application Outside IR35 Job description The implementor should have a fundamental knowledge in programming with Codesys as well as in all corresponding programming languages eg Structured text click apply for full job details

Azure Software Engineer | 6 month contract Outside IR35 | £400-450/day | Hybird 2 days on site | Epsom (location not accessible by public transport) Our client, a global brand, are looking for an Azure Software Engineer to support an enterprise legacy modernisation programme . Delivery-focused role building and integrating cloud-native services across core business systems. What you’ll do Build and integrate services using Azure Functions, APIM, REST APIs, C#/.NET, and JavaScript Develop and support applications using Azure SQL / SQL MI Contribute to CI/CD pipelines and infrastructure using ARM templates with Azure DevOps or GitHub Support testing, releases, monitoring, and production stability Collaborate with engineers and business stakeholders, including on-site sessions where required What you need Solid commercial experience delivering solutions on Microsoft Azure Good C#/.NET and integration experience Comfortable working in hybrid...

💻 Role: Senior Full Stack Engineer (Backend leaning/Node/AWS) 🌍 Location: Remote First - MUST be UK based (London HQ once a quarter) 💰 Rate: £475-£500 per day ⚖️ Status: Outside IR35 (6 months rolling) 🛠 Key Skills: TypeScript, Node.js, React, AWS (Serverless) We're partnered with Ecommerce company seeking a Senior Full Stack Engineer Engineer who is heavily backend leaning to join the team ASAP. The non negotiables for them are TypeScript, Node.JS, AWS (Serverless). Senior Full Stack Engineer Responsibilities: Perform hands-on software development, including writing code and unit tests, doing proof of concepts, conducting code reviews, and testing in ongoing sprints. Mentoring other engineers, helping to support their professional development. Designing and implementing innovative solutions to challenging web development problems. Participate in system design and specifications, development, testing, debugging, documentation, and support. Providing...

SENIOR JAVA DEVELOPER / 3 MONTH CONTRACT (LIKELY TO EXTEND) / REMOTE / £565 PER DAY OUTSIDE IR35 Urgent requirement for a Senior Java Developer on a remote basis. (Must be UK-based) You will help a customer deliver an Azure datacentric proposition and deliver datafirst solutions built on Microsoft fabric capabilities. You will need to have exposure to Microsoft Fabric capabilities. What do you need? Java (Java11+) JDBC Azure Agile delivery Git It is a remote (UK-Based) contract Initially 3 months (will most likely extend) £565 per day outside IR35 Apply or drop me a message asap for more!

Opportunity for a Senior Python Engineer to work remotely for a UK based AI scale-up on an initial 6-month contract outside IR35. You'd join a high-performing and autonomous product team responsible for building cloud-native, event-driven systems in a collaborative DevOps environment. The team is responsible for all aspects of the product they work on, from design through to development, testing, deployment and supporting systems in production, so you should expect to apply XP techniques like TDD and SOLID and be comfortable with practices like IaC, CI/CD and Observability. Skills: Python, TypeScript FastAPI, Django, Vue MongoDB, DynamoDB Kubernetes GCP, AWS In return they're offering initial 6-month contracts outside IR35 paying up to £700/day. If you're interested and would like to know more, please apply through this advert and I'll be in touch.