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Onsite senior platform engineer £150,000 - £200,000
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Engineering  (7) Information Technology  (4) Finance  (1) Insurance  (1) Marketing  (1)
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CR
02 Oct, 2026
Permanent
Platform Engineer
£529 - £629 daily
Circle Recruitment London, UK
Platform Engineer 6 Months £529 -£629/Day Inside IR35 London/ Milton Keynes Clearance: DV We are seeking a Platform Engineer/ Senior Infrastructure Engineer our Government client based in London or Milton Keynes. This role will be office based 60% and remote 40%. The Platform Engineer/ Senior Infrastructure Engineer role will be an initial 6 month contract paying between £529 - £629/Day Inside IR35. This role is inside IR35 - Due to the service of the role it will now be based on an Umbrella solution. Clearance: DV Role Profile: The role will focus on deploying and supporting XDR agents, Azure Arc onboarding, Azure Monitor Agent (AMA) installations, infrastructure monitoring, and maintaining secure, reliable platform services across Windows and Linux server estates. Deploy, configure, and support Microsoft Azure infrastructure services. Install and onboard Windows and Linux servers to Azure Arc. Configure and manage Azure...
Rullion Managed Services
26 Sep, 2026
Contract
Senior Frontend Developer
£650 - £700 daily
Rullion Managed Services London, UK
Senior Frontend Developer (React Native) 6 Month contract 40 hours per week Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB About the Role We are looking for a highly experienced Senior Frontend Engineer to join a fast-paced and innovative engineering environment, helping to build and scale next-generation digital products and customer experiences. This is an opportunity to work on complex, high-impact applications used by both customers and internal stakeholders, while influencing technical strategy and engineering best practices. As a senior member of the engineering team, you will take ownership of critical frontend systems, mentor engineers across multiple levels, and drive technical decisions that balance business value with long-term maintainability. Key Responsibilities Lead the planning and delivery of complex frontend projects, translating ambiguous requirements into clear technical...
Rullion Managed Services
26 Sep, 2026
Contract
Senior Flutter Engineer
£650 - £750 daily
Rullion Managed Services London, UK
Senior Flutter Engineer Full-time Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Join a dynamic energy provider dedicated to sustainable solutions in the UK. We are seeking an experienced Senior Flutter Engineer to join a fast-paced development team delivering high-quality mobile applications. You will play a key role in designing, developing, and maintaining cross-platform applications using Flutter, while contributing to architecture decisions, code quality, and engineering best practices. Initially it will be a six-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being based in their London. It is a full-time role, 37 hours per week. If this role feels right, send us your CV. Accountabilities: Design, develop, and maintain scalable Flutter applications for iOS and Android. Collaborate with Product Managers, UX/UI Designers, and Backend...
Sa
02 Oct, 2026
Permanent
AI Product Lead - POC, FinTech, Financial Services - Essential
£650 - £750 daily
Sanderson London, UK
AI Product Manager / Lead AI Product Manager / Head of Product / Senior AI Product Manager Conversational AI experience will be massively advantageous £650 - £750 p/d - Umbrella engagement - 5 month initial contract - 1 day per week on site in Bristol FinTech or Financial Services is essential for this requirement Overview: We're looking for an experienced a AI Product Lead / Senior Product manager with strong AI exposure to lead the development and delivery of customer-facing AI products across voice and digital channels. You'll shape product vision, strategy, roadmap and performance, working with cross-functional teams and external AI partners to create intelligent experiences that improve customer outcomes, automate interactions and deliver measurable commercial value. You'll take products from discovery and experimentation through to delivery and optimisation, using customer research, data, rapid prototyping and feedback loops to validate...
Sa
02 Oct, 2026
Permanent
Solution Architect - Platform, Event, Domain Driven
£650 - £750 daily
Sanderson London, UK
Solution Architect / Senior Solution Architect - Modern Architecture £650 - £750 p/d - IR35 TBC - 6 Month initial contract but likely to be extended Overview: We're looking for an experienced Solution Architect to join a major technology modernisation programme, helping transition a complex technology estate away from legacy platforms towards a modern, cloud-native, domain-oriented and event-driven architecture. This is a highly delivery-focused architecture role. You'll work closely with engineering teams to define solutions, validate architectural approaches and ensure they can be successfully implemented within a production environment. What you'll be doing Designing API-first architectures and integration patterns Exploring and implementing event streaming and messaging technologies , including Kafka Designing and delivering cloud-native solutions within AWS Defining microservices and distributed system architectures Designing...
Pontoon
01 Oct, 2026
Contract
Data Analyst
£500 - £600 daily
Pontoon Leeds, UK
Job Title: Data Analyst Location: Halifax / Leeds / Hybrid Contract Type: 6 months contract Our client, a leading organisation in the banking sector, is seeking a talented and motivated Data Analyst to join their team. This is an exciting opportunity to be at the forefront of one of the most significant data transformation programmes in UK financial services. The role is designed for individuals who are eager to make a meaningful impact by transforming complex business needs into trusted data solutions. Key Responsibilities: Transform and Analyse: Dive deep into customer journeys, data lineage, and end-to-end data flows to uncover valuable insights that drive strategic decision-making. Collaborate: Work closely with business stakeholders, product owners, architects, and data engineers to translate business needs into clear and actionable requirements. Investigate Data Lineage: Trace critical data from its source to consumption, identifying dependencies...
DG
29 Sep, 2026
Contract
SC Cleared DevOps Engineer
£600 - £675 daily
Damia Group Ltd London, UK
SC Cleared DevOps Engineer - 6 months + (Apply online only)pd Inside IR35- London ( Hybrid working of 2-3 days on site per week/ rest wfh) We are looking for an experienced DevOps Engineer to join our consulting client. Essential: At least 7 years of DevOps experience Experience of leading DevOps teams and mentoring of junior members Experience with cloud platforms such as AWS, Azure and GCP Experience of designing, building and managing CI/CD Pipelines using tools such as Jenkins, Git, Bamboo or cloud platform variants Experience of containerisation and orchestration technologies including Docker and Kubernetes Experience of scripting using Python, Bash or PowerShell Experience creating designs and documentation A passion for learning new technologies and innovation Excellent interpersonal skills Desirable: Understanding of SRE principles Experience of security protocols such as PKI, TLS etc Skills: Containerization DevOps DevOps Engineering DevOps...
Proactive Global
13 Sep, 2026
Contract
Modelling and Simulation Engineer
£82.70 - £98.00 hourly
Proactive Global Bristol, UK
Role: Electrical Systems Modelling and Simulation Engineer Location: Derby or Bristol - 3 days in office / 2 days work from home Rate: Umbrella: 98 per hour / PAYE: 82.70 per hour Duration: 12 months with the likelihood of extending Hours: 37.5 hours per week Monday to Friday Proactive currently have an excellent opportunity for an Electrical Systems Modelling Engineer to work on cutting-edge defence technology, helping to model, simulate and validate the electrical systems that will power future airborne platforms. Working within a team of simulation experts, the Electrical System Modelling & Simulation Engineer will support the design, integration and validation of complex electrical systems through advanced modelling, simulation and analysis. This is a highly innovative R&D environment where the Electrical Systems Modelling Engineer will influence future technologies. Key Responsibilities Develop electrical system models and simulations to support...
Proactive Global
13 Sep, 2026
Contract
Modelling and Simulation Engineer
£82.70 - £98.00 hourly
Proactive Global Derby, UK
Role: Electrical Systems Modelling and Simulation Engineer Location: Derby or Bristol - 3 days in office / 2 days work from home Rate: Umbrella: 98 per hour / PAYE: 82.70 per hour Duration: 12 months with the likelihood of extending Hours: 37.5 hours per week Monday to Friday Proactive currently have an excellent opportunity for an Electrical Systems Modelling Engineer to work on cutting-edge defence technology, helping to model, simulate and validate the electrical systems that will power future airborne platforms. Working within a team of simulation experts, the Electrical System Modelling & Simulation Engineer will support the design, integration and validation of complex electrical systems through advanced modelling, simulation and analysis. This is a highly innovative R&D environment where the Electrical Systems Modelling Engineer will influence future technologies. Key Responsibilities Develop electrical system models and simulations to support...
Proactive Global
12 Sep, 2026
Contract
Electrical System Modelling and Simulation Engineer
£82.70 - £98.00 hourly
Proactive Global Bristol, UK
Role: Electrical Systems Modelling and Simulation Engineer Location: Derby or Bristol - 3 days in office / 2 days work from home Rate: Umbrella: 98 per hour / PAYE: 82.70 per hour Duration: 12 months with the likelihood of extending Hours: 37.5 hours per week Monday to Friday Proactive currently have an excellent opportunity for an Electrical Systems Modelling Engineer to work on cutting-edge defence technology, helping to model, simulate and validate the electrical systems that will power future airborne platforms. Working within a team of simulation experts, the Electrical System Modelling & Simulation Engineer will support the design, integration and validation of complex electrical systems through advanced modelling, simulation and analysis. This is a highly innovative R&D environment where the Electrical Systems Modelling Engineer will influence future technologies. Key Responsibilities Develop electrical system models and simulations to support...
Proactive Global
12 Sep, 2026
Contract
Electrical System Modelling and Simulation Engineer
£82.70 - £98.00 hourly
Proactive Global Derby, UK
Role: Electrical Systems Modelling and Simulation Engineer Location: Derby or Bristol - 3 days in office / 2 days work from home Rate: Umbrella: 98 per hour / PAYE: 82.70 per hour Duration: 12 months with the likelihood of extending Hours: 37.5 hours per week Monday to Friday Proactive currently have an excellent opportunity for an Electrical Systems Modelling Engineer to work on cutting-edge defence technology, helping to model, simulate and validate the electrical systems that will power future airborne platforms. Working within a team of simulation experts, the Electrical System Modelling & Simulation Engineer will support the design, integration and validation of complex electrical systems through advanced modelling, simulation and analysis. This is a highly innovative R&D environment where the Electrical Systems Modelling Engineer will influence future technologies. Key Responsibilities Develop electrical system models and simulations to support...
Pontoon
09 Sep, 2026
Contract
Senior Full Stack Developer
£700 - £750 daily
Pontoon London, UK
Adecco Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job title: Senior Full Stack Developer (Front End - Java / Angular / Solidity) Location : London (5 days per week onsite) Contract: 12 months with possible extension Rate : 700 - 750 inside IR35 Overview We are looking for experienced Senior Full Stack Engineers to join a high-performing engineering team building and enhancing modern enterprise applications. This is a hands-on development role for engineers who enjoy working across the full technology stack, delivering scalable web applications, cloud-native services, and modern user experiences. The...
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