169 contract jobs found

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...

Join a growing software team developing technology that supports cutting-edge scientific innovation. We 're looking for a Senior Software Test Engineer (not a QA Tester) 6 month contract (outside IR35) with strong experience in test automation, software engineering and CI/CD environments. As Senior Software Test Engineer Experience Reuired: Experience as a Software Test Engineer, SDET or Automation Test Engineer Strong Python, C# or Java skills Experience building and maintaining automated test frameworks Integration, system and regression testing experience Experience working closely with software developers in Agile teams CI/CD, Git, Azure DevOps, Jenkins or similar tools Ideal backgrounds: Scientific instrumentation, biotech, medtech, robotics, aerospace, defence, telecoms or software product companies. This is a hands-on engineering role focused on automating quality, not a traditional manual QA position. Permanent and contract...

Contract - Senior Data Engineer (Snowflake Cortex)  Rate: £600 - 650 per day, Outside IR35 Location: London (2 days per week, on-site)  Start Date: Monday 9th November 2026  Length: 6 months initially, with a chance of extension.  Interview Stages: 1-stage over Teams, with joint company owners (CEO and CTO)  Opus have partnered with a rapidly growing HealthTech start-up who's recently received funding. They're on a mission to build a next-gen data platform for processing millions of confidential patient records and clinical documents securely, and at scale. The successful Data Engineer will play a pivotal part in helping to design and deliver AI-enabled document processing pipelines using Snowflake Cortex, helping to extract valuable insights from unstructured healthcare data including patient records, referral letters, clinical notes, PDFs and compliance documentation.  The role: - Design and build scalable data pipelines in Snowflake (Snowpipes) - Design and develop cloud-native...

Senior ERP Project Manager needed on an interim basis in Derby. Contract: Initial 6 months Working Pattern: 3-4 days onsite per week Day Rate: £500-£550pd IR35: Outside IR35 The Opportunity: We are supporting an established manufacturing group looking for an experienced Interim Senior Project Manager to lead several business-critical ERP integration and technology transformation projects. The business operates across multiple companies, with ERP at the centre of its technology landscape. You will take ownership of multiple projects, driving delivery, managing stakeholders and ensuring systems work effectively together. This is a hands-on delivery role, requiring someone who can quickly understand business challenges, identify solutions and make things happen. Key Projects: CRM Integration: Lead the selection and implementation of a CRM and Quote Management System, ensuring effective integration with their ERP. AI Sales Order Automation: Oversee the...

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...

Data Engineer - Microsoft Fabric Contract | 3-6 Months | Outside IR35 | £500 per day | Berkshire (2-3 days onsite) I am currently working with a client in Berkshire who is looking for an experienced Data Engineer to join a major greenfield data transformation programme. This is an opportunity to play a key role in the design and implementation of a new Microsoft Fabric platform from the ground up. The organisation currently has no enterprise data warehouse in place and is looking to build a modern data environment, making this a highly impactful project for an experienced consultant. We are looking for a hands-on Data Engineer who has successfully delivered Microsoft Fabric implementations within other organisations and can help shape best practice, architecture, and delivery. Key Responsibilities Design and build data pipelines using Microsoft Fabric Support the end-to-end implementation of a new enterprise data platform Develop and optimise data models, integration...

Data Platform- Product Manager Location: Berkshire- 2-3 days a week onsite Contract Length: 3-6 Months Start Date: Early November IR35 Status: Outside IR35 Rate: £600 per day We are supporting an organisation embarking on a major Microsoft Fabric implementation and are seeking an experienced Product Manager to lead the delivery and adoption of a new enterprise data platform. This is an exciting opportunity to play a key role in shaping a modern cloud-based data environment, working closely with technical teams, business stakeholders and senior leadership to ensure the platform delivers measurable value to the organisation. We are primarily looking for candidates who have successfully delivered data platform implementation projects and can bridge the gap between business requirements and technical delivery. Key Responsibilities - Own the product vision, roadmap and delivery strategy for the new data platform. - Act as the primary interface between business...

Business Analyst - MS Fabric Implementation Contract | 3-6 Months | Outside IR35 | £500 per day | Berkshire (2-3 days onsite) I am currently working with a client based in Berkshire who is looking for an experienced Business Analyst to support a Microsoft Fabric implementation project. This is an exciting opportunity to join a key data transformation programme, working closely with stakeholders to gather requirements, map business processes, and help ensure the successful delivery of a modern data platform. Key Requirements: Proven experience working as a Business Analyst Previous involvement in data-focused projects Experience supporting data platform, BI, data warehouse, or analytics implementations Ability to gather and document business and technical requirements Strong stakeholder management and workshop facilitation skills Experience working within Agile delivery environments Exposure to Microsoft Fabric would be highly desirable Contract Details: 3-6 month initial...

Regulatory Compliance Lead - 100% remote - £500 per day outside IR35 - 6 months Regulatory Compliance Lead, Data Privacy Manager, Data Governance Lead must have pharma experience specifically R&D. Exalto consulting are currently recruiting for a Regulatory Compliance Lead someone who has worked in pharmaceutical environments before specifically within R&D. this will be100% remote - £500 outside IR35 and initially 6 months Key factor is someone who has personally interpreted and implemented external regulations within a pharmaceutical R&D environment . Skill for the role: Experience applying external regulations in a Pharma R&D setting Compliance, or the primary skill being R&D so long as there is a little of the alternate skill set included GDPR, HIPAA, EHDS, "EU CTR", "21 CFR Part 11", GCP, GxP and FDA. Synonyms for US Data Security Rule = US DoJ, US Final Rule Use R&D, clinical, legal or data protection experience to...

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...

AI Enabled Full Stack Engineer - Outside IR35 £500/day - 3 month contract - 1 day p/week in London I'm working with a leading European technology business that has recently undergone a major technology transformation, building a new AI-driven, cloud-native platform now live with a significant customer base. They're looking for multiple AI Enabled Engineers on a contractual basis to continue enhancing the platform, maintaining their industry leading status. We're looking for innovative full stack engineers with strong software engineering fundamentals, particularly those with: A genuinely AI-first approach to development, using tools such as Claude, Cursor or Copilot as part of your daily workflow Strong C#/.NET experience - now building in Python/Typescript Good Angular or React experience Experience with AWS/cloud-native development Strong software engineering fundamentals across APIs, databases, testing and CI/CD Experience with LLMs, agentic systems or...

Senior Developer - Front Office RAD/Trader Tools £700 p/day | Outside IR35 | Largely remote | 12-month contract We are hiring a hands-on Senior Developer for a prestigious investment banking client, delivering tactical fixes and enhancements directly for Front Office traders. This role suits someone who thrives in a RAD/tactival environment: quick to understand a problem, comfortable with changing priorities and able to deliver practical, reliable solutions at pace. The focus is on short development cycles, immediate business needs and improving existing trading tools, rather than a long-term strategic programme. Initial work will support Securities Lending, with opportunities to work across other trading desks. What we're looking for: Strong development experience in C#, Python and Excel Proven experience in Front Office RAD or tactical development A quick-thinking, pragmatic problem solver who can work independently Confidence working directly with traders to...

Contract Data Scientist Outside IR35 £500 - £550 Per Day 2 Month Duration 2 Days In London Office The Company They are a specialist technology business that develops advanced analytics solutions deployed within clients ' secure environments. Their platform helps organisations understand customer behaviour, identify value drivers, and build predictive capabilities using transactional and event data. They work closely with enterprise clients on complex, data-led challenges, combining product innovation with practical delivery. The Role and Deliverables Build customer segmentation, propensity, and forecasting models using large-scale customer datasets. Lead clustering and segmentation analysis, with a particular focus on delivering a core segmentation and supporting sub-segmentations. Develop models relating to motor and home insurance quote behaviour and customer decision-making. Work from defined business requirements and data science...

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...

Interim Business Analyst - Business Transformation Location: Birmingham - Hybrid (1 day onsite, 4 days remote) Day Rate: Circa £500 per day Contract Length: Initial 6 months, with potential extensions IR35 Status: Outside IR35 - Subject to Confirmation The Opportunity We are working with a large, established organisation undergoing a programme of business and operational transformation. They are looking to appoint an experienced Interim Business Analyst to support the delivery of key change initiatives, working closely with senior stakeholders, operational teams and project delivery functions. This is an excellent opportunity for a hands-on Business Analyst who enjoys working across complex business environments, improving processes and translating business requirements into practical solutions. Key Responsibilities Lead requirements gathering activities through stakeholder interviews, workshops and business analysis. Analyse existing business processes,...

Golang Developer - Contract Location: Fully remote Duration: Initial 6-month contract Rate: Up to £550 per day all-in IR35: Outside IR35 We're looking for a contract Back End Golang Developer with strong Back End engineering skills and experience working on the FE with React and TypeScript. The role will focus on building scalable APIs and microservices, with Front End development where required. You'll need to be comfortable joining an existing codebase, getting up to speed quickly and working independently within a remote team. Key responsibilities Develop and maintain Back End services, APIs and microservices using Go. Build and enhance Front End functionality using React and TypeScript. Write clean, maintainable code with appropriate testing and documentation. Investigate issues and improve application performance, reliability and scalability. Communicate progress, technical decisions and blockers clearly through asynchronous updates. Work with Rust...

Contract Lead Node.js Engineer (HubSpot & Commercial Systems) Fully Remote Outside IR35 £500 - £580 Per Day 8 Month Duration The Company They are a global technology and digital marketing organisation operating at scale across online consumer platforms. Their products combine data, technology, content, and partnerships to connect highly engaged audiences with relevant digital experiences. With a strong engineering culture and significant volumes of commercial data flowing through their platforms, they continue to invest in the systems and tooling that support business growth. This contract supports a key engineering function during a period of planned leave cover. The Role and Deliverables Lead development and ongoing enhancement of a proprietary commercial data platform that acts as a bridge between internal systems and HubSpot. Drive architectural decisions and define scalable solutions across multiple business and engineering...

CONTRACT AI SOFTWARE ENGINEER - OUTSIDE IR35 - SC Cleared NEW CONTRACT OPPORTUNITY AVAILABLE Rate: Up to £600 per day Location: London / Remote-first Working Pattern: Part-time, 2-3 days per week; predominantly remote with occasional London workshops Contract Length: 3 months initially, with extension likely IR35 Status: Outside IR35 Start Date: 19th October 2026 (subject to availability) I 'm currently working with an organisation delivering innovative AI and data solutions within the UK public sector, who are looking for an experienced AI Software Engineer to join an initial 3-month engagement on a part-time basis. This is an opportunity to help shape how a new public sector organisation operates using AI from the outset, combining hands-on engineering with the design of AI-enabled workflows, governance and operating models. THE ROLE You 'll work as part of a collaborative engineering team, helping design and build...

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...

React Technical Lead/Senior Developer Contract: Initial 3-Month Engagement (Long-Term Programme) Location: Birmingham - flexible remote working options available - Candidates UK wide can be considered Rate: £500 per day - Outside IR35 Overview We are seeking experienced, client facing Senior/Lead React Developers to join a major business transformation programme focused on modernising platforms, data capabilities, and core business processes. You will need very strong React skills with recent .Net C# experience also. This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both front-end and back-end technologies while contributing to data migration, integration, and technical design activities. The successful candidates will be strong engineers with deep expertise in React and C#/.NET, capable of operating across the full technology stack and collaborating closely with Product...