21 jobs found in Slough

Outside IR35 - 2x Senior Full-Stack JavaScript Engineer Day Rate: £600 - £650 Outside IR35 Duration: 12-24 Month Programme - Intention to extend into 2027 F/Y Location: Bristol / London Working Pattern: Flexible and team-dependent. Guidance is to plan for up to one day per week in the Bristol office, plus a wider team day in-office every three months. (In practice, cadences across teams vary from weekly to once every six weeks, once a month, or once a quarter) Lots of flexibility available A leading UK wealth management and investment platform is hiring a Senior Full Stack Engineer to join a client-facing product team responsible for the web and mobile experience that helps retail investors manage and grow their wealth ahead of retirement. This is a product engineering role, not a ticket-taking one. You'll work in a modern agile delivery environment with frequent releases, data-driven decision making, and close collaboration with product, design, and business...

Outside IR35 - 2x Senior Full-Stack JavaScript Engineer Day Rate: £600 - £650 Outside IR35 Duration: 12-24 Month Programme - Intention to extend into 2027 F/Y Location: Bristol / London Working Pattern: Flexible and team-dependent. Guidance is to plan for up to one day per week in the Bristol office, plus a wider team day in-office every three months. (In practice, cadences across teams vary from weekly to once every six weeks, once a month, or once a quarter) Lots of flexibility available A leading UK wealth management and investment platform is hiring a Senior Full Stack Engineer to join a client-facing product team responsible for the web and mobile experience that helps retail investors manage and grow their wealth ahead of retirement. This is a product engineering role, not a ticket-taking one. You 'll work in a modern agile delivery environment with frequent releases, data-driven decision making, and close...

Microsoft Fabric Data Engineer | Outside IR35 | £450 - £550 per day | Hybrid Bristol | 6-month initial contract We're working with a well-known global organisation that's investing heavily in its commercial data capabilities. They're looking for a contract Data Engineer to help shape and deliver a next-generation analytics platform supporting sales and marketing decision-making. This role is on a hybrid basis 2 days per week in the Bristol office. This assignment centres on building a scalable, cloud-native data solution using Microsoft Fabric , aligned to a wider Azure landscape. You'll play a key role within a delivery-focused team, owning engineering outputs while partnering closely with analytics specialists and senior stakeholders to deliver at pace. Key Responsibilities Develop, enhance and maintain data pipelines using Microsoft Fabric Produce robust, business-ready datasets that support downstream reporting and insight Introduce automation...

Outside IR35 - 2x Senior Full-Stack JavaScript Engineer Day Rate: £600 - £650 Outside IR35 Duration: 12-24 Month Programme - Intention to extend into 2027 F/Y Location: Bristol/London Working Pattern: Flexible and team-dependent. Guidance is to plan for up to one day per week in the Bristol office, plus a wider team day in-office every three months. (In practice, cadences across teams vary from weekly to once every six weeks, once a month, or once a quarter) Lots of flexibility available A leading UK wealth management and investment platform is hiring a Senior Full Stack Engineer to join a client-facing product team responsible for the web and mobile experience that helps retail investors manage and grow their wealth ahead of retirement. This is a product engineering role, not a ticket-taking one. You'll work in a modern agile delivery environment with frequent releases, data-driven decision making, and close collaboration with product, design, and business...

Microsoft Fabric Data Engineer | Outside IR35 | £450-£550 per day | Hybrid Bristol | 6 month initial contract We're working with a well known global organisation that's investing heavily in its commercial data capabilities. They're looking for a contract Data Engineer to help shape and deliver a next generation analytics platform supporting sales and marketing decision making. This role is on a hybrid basis 2 days per week in the Bristol office. This assignment centres on building a scalable, cloud native data solution using Microsoft Fabric , aligned to a wider Azure landscape. You'll play a key role within a delivery focused team, owning engineering outputs while partnering closely with analytics specialists and senior stakeholders to deliver at pace. Key Responsibilities Develop, enhance and maintain data pipelines using Microsoft Fabric Produce robust, business ready datasets that support downstream reporting and insight Introduce automation and agent assisted...

AWS Engineer 6 Months rolling £350 to £450 Outside IR35 Bristol Hybrid We're seeking an AWS Engineer with a strong coding background to design, build, and scale cloud-native applications. This role is ideal for someone who understands both infrastructure and software development, and can bridge the gap between DevOps and engineering. Responsibilities: Design and develop scalable, secure AWS-based solutions Build and maintain cloud-native applications and services Understand code (e.g. Python, JavaScript, or Java) for automation and backend systems Implement Infrastructure as Code (Terraform, CloudFormation, CDK) Collaborate with developers to optimise performance, reliability, and deployment pipelines If this is of interest to you, please do respond with your updated CV as I will be going through profiles in order of receipt. AWS Engineer 6 Months rolling £350 to £450 Outside IR35 Bristol Hybrid

AWS Engineer 6 months rolling £350 to £450 Outside IR35 Bristol Hybrid We're seeking an AWS Engineer with a strong coding background to design, build, and scale cloud-native applications. This role is ideal for someone who understands both infrastructure and software development, and can bridge the gap between DevOps and engineering. Responsibilities: Design and develop scalable, secure AWS-based solutions Build and maintain cloud-native applications and services Understand code (eg Python, JavaScript, or Java) for automation and Back End systems Implement Infrastructure as Code (Terraform, CloudFormation, CDK) Collaborate with developers to optimise performance, reliability, and deployment pipelines If this is of interest to you, please do respond with your updated CV as I will be going through profiles in order of receipt. AWS Engineer 6 months rolling £350 to £450 Outside IR35 Bristol Hybrid

Contract Business Analyst - Financial Services Hybrid | Bristol or Maidenhead (1 day onsite per week) A leading financial services organisation is seeking an experienced Contract Business Analyst to support a large-scale finance systems transformation within a complex post‑merger integration programme. The organisation is undergoing significant operational and technology change. This role will join an established transformation programme and play a critical role in delivering a finance systems workstream. Key Responsibilities Elicit, analyse, and document business and functional requirements for finance systems Work closely with finance stakeholders to understand current‑state and target‑state processes Support systems replacement, integration, and data migration activities Produce high‑quality artefacts including process maps, requirements documents, user stories, and impact assessments Collaborate with delivery, technology, and transformation teams to ensure...

Contract Business Analyst - Financial Services Hybrid Bristol or Maidenhead (1 day onsite per week) A leading financial services organisation is seeking an experienced Contract Business Analyst to support a large-scale finance systems transformation within a complex post-merger integration programme. The organisation is undergoing significant operational and technology change. This role will join an established transformation programme and play a critical role in delivering a finance systems workstream. Key Responsibilities Elicit, analyse, and document business and functional requirements for finance systems Work closely with finance stakeholders to understand current-state and target-state processes Support systems replacement, integration, and data migration activities Produce high-quality artefacts including process maps, requirements documents, user stories, and impact assessments Collaborate with delivery, technology, and transformation teams to ensure...

PHP Developer - Payments Migration Rate: £500 per day (Outside IR35) Duration: 6 months Location: Mostly remote - once per month in London or Bristol I am currently working with a leading financial services company to undertake a critical migration of payment functionality from a legacy on-premise PHP monolith into a new AWS-hosted Java microservice owned by a separate engineering team. We are looking for an experienced PHP contractor to own and deliver the PHP-side of the migration, ensuring existing payment journeys are updated to integrate with the new external payment component, while safely decommissioning legacy in-application payment logic. This role sits at the intersection of legacy PHP, payments, and service integration, and requires a strong focus on security, reliability, and seamless user experience. Responsibilities Modify existing PHP payment journeys to redirect or hand off to a new external payment component Implement secure redirect and callback...

Job Title: Full Stack Software Engineer Location: Hybrid 1-2 days a week in office, Bristol Contract Length: 3 months+ Day Rate: Up to £400 p/d Clearance: SC Eligible Start: ASAP IR35: Outside (Can use Ltd Company) F5 are delighted to be partnering with an exciting early stage startup, looking to scale. Due to heavy interest from customers, they are looking for an additional Software Engineer to further improve and scale their Agentic AI Cyber Security Platform. They are open on seniority, however candidates need a minimum of 2 years of commercial experience, and ideally with some exposure to an early-stage startup environment. Tech Stack: TypeScript React PostgreSQL Docker AWS Bun Candidates ideally need to be Full Stack, however this role is Backend/Database leaning, and so if you only have some Front End, that's okay. Any experience in Database Optimisation and/or Security Engineering (eg SIEM Development) is really handy here. The team are...

PHP Developer - Payments Migration Rate: £500 per day (Outside IR35) Duration: 6 months Location: Mostly remote - once per month in London or Bristol I am currently working with a leading financial services company to undertake a critical migration of payment functionality from a Legacy on-premise PHP monolith into a new AWS-hosted Java microservice owned by a separate engineering team. We are looking for an experienced PHP contractor to own and deliver the PHP-side of the migration, ensuring existing payment journeys are updated to integrate with the new external payment component, while safely decommissioning Legacy in-application payment logic. This role sits at the intersection of Legacy PHP, payments, and service integration, and requires a strong focus on security, reliability, and seamless user experience. Responsibilities Modify existing PHP payment journeys to redirect or hand off to a new external payment component Implement secure redirect and callback...

PHP Developer - Payments Migration Rate: £500 per day (Outside IR35) Duration: 6 months Location: Mostly remote - once per month in London or Bristol I am currently working with a leading financial services company to undertake a critical migration of payment functionality from a legacy on-premise PHP monolith into a new AWS-hosted Java microservice owned by a separate engineering team. We are looking for an experienced PHP contractor to own and deliver the PHP-side of the migration, ensuring existing payment journeys are updated to integrate with the new external payment component, while safely decommissioning legacy in-application payment logic. This role sits at the intersection of legacy PHP, payments, and service integration, and requires a strong focus on security, reliability, and seamless user experience. Responsibilities Modify existing PHP payment journeys to redirect or hand off to a new external payment component Implement...

Experienced Business Analyst required urgently to support a Lead Business Analyst for an exciting product expansion project. As a pivotal member of the team, you will collaborate closely with engineering teams, utilising your expertise in software-focused analysis within Agile. This is outside IR35, fully remote (UK only) and project likelihood is 12-18 months. You will have proven experience in: **software-focused business analysis ** providing detailed user stories. ** Experience working in a business with multi-disciplinary technical development teams ** Experience building B2B SAAS solutions ** Agile product delivery experience ** Exposure to A.I. tooling and development methods You will work on: Work with the product and engineering teams on functional and non-functional solutions in a collaborative manner to solve problems in the most efficient way Co-ordinate with the solutions architect...

SC Cleared Python Developer | Outside IR35 The Role We're looking for an experienced SC Cleared Python Developer to join a high-profile programme delivering secure, scalable solutions within a complex environment. You'll be working as part of a collaborative engineering team, building robust Back End services and contributing to mission-critical systems. Key Responsibilities Design, develop and maintain Python-based applications and services Collaborate with cross-functional teams including DevOps, QA, and architecture Build and integrate APIs and microservices Contribute to system design, code reviews, and best practice standards Troubleshoot, debug and optimise performance across applications Support secure development practices within a government/defence environment Essential Active SC Clearance Strong Python development experience in production environments Experience building RESTful APIs and microservices Solid understanding of software engineering...

C-Serv is a leading provider of IT solutions, specializing in delivering innovative and secure technology environments for a diverse range of clients. The Opportunity: We are looking for a skilled F5 Engineer to join our team on a contractor basis. The ideal candidate will bring strong hands-on experience with F5 technologies and take ownership of deploying, configuring, and managing F5 services. This role calls for a proactive problem-solver who thrives in a fast-paced environment. You'll work closely with cross-functional teams to ensure the seamless performance of network services and applications. This position is outside IR35. Requirements Key Responsibilities: Deploy and configure F5 infrastructure, including BIG-IP LTM, GTM, and other F5 modules Monitor and maintain the performance of F5 services and application delivery solutions Provide technical support and troubleshooting for F5-related issues Implement security policies and best practices...

Business Analyst 6 month contract (Outside IR35) Extensions likely Hybrid - Bristol 2 days per week To £465 per day Overview Seeking a hands-on, delivery-focused Business Analyst to support a growing AI programme. This role will work across multiple AI initiatives, helping to identify, shape, and deliver practical use cases that drive operational efficiency and improved customer experience. This is not a purely documentation role - the expectation is someone comfortable getting into the detail, working directly with stakeholders, technology teams, and vendors to turn ideas into working solutions. Key Responsibilities • tWork with business stakeholders to identify, prioritise, and define AI use cases across the organisation • tLead discovery activities (workshops, interviews, process mapping) to understand current workflows and pain points • tTranslate business needs into clear requirements, user stories, and...

Data Analyst - £400 outside IR35 5 days onsite in Bristol Initially 6 months Leading business is looking to bring in a Data Analyst to help transform how they engage with customers through highly personalised, data-driven communications. Sitting at the intersection of data, marketing, and customer experience, you'll turn complex data into actionable insights that drive relevance, loyalty, and long-term value. You'll play a key role in refining and connecting multiple data sources, creating a trusted view of customers, and enabling smarter, more timely marketing communications. Key Responsibilities Design, build, and optimise ETL/ELT data pipelines to integrate data from multiple sources into core systems and CRM platforms Transform raw data into reliable, CRM-ready datasets Build scalable data pipelines and integrate data across core systems Support the delivery of a modern marketing tech stack Translate data insights into clear, actionable business...

DV Infrastructure Engineer £500 - £600 A Day Outside IR35 Bristol (Hybrid 3 Days A Week) 6 Month Contract iO Associates are currently partnered with a customer in the Defence space who need a DV Infrastructure Engineer to join them on an initial 6-month contract. Requirements: Existing DV (Developed Vetting) clearance DevOps and container technologies (GitLab, Harbor, FluxCD, Kubernetes) Strong VMware skills Strong understanding of networking principles Relevant certifications (VMware, Microsoft, Dell or security) are highly desirable Understanding of Elastic tools If you're an Infrastructure Engineer looking for acontract offering up to £600 A DAY OUTSIDE IR35 , then send an updated CV to A.brewer@ ioassociates.co.uk. The client is looking to interview candidates NEXT WEEK so if interested, please send across a CV ASAP.

Microsoft Fabric Data Engineer | Outside IR35 | £450–£550 per day | Hybrid Bristol | 6‑month initial contract We’re working with a well‑known global organisation that’s investing heavily in its commercial data capabilities. They’re looking for a contract Data Engineer to help shape and deliver a next‑generation analytics platform supporting sales and marketing decision‑making. This role is on a hybrid basis 2 days per week in the Bristol office. This assignment centres on building a scalable, cloud‑native data solution using Microsoft Fabric , aligned to a wider Azure landscape. You’ll play a key role within a delivery‑focused team, owning engineering outputs while partnering closely with analytics specialists and senior stakeholders to deliver at pace. Key Responsibilities Develop, enhance and maintain data pipelines using Microsoft Fabric Produce robust, business‑ready datasets that support downstream reporting and insight Introduce automation and agent‑assisted...