124 senior engineer jobs found

Senior Integration Engineer / Architect - AWS & Azure Outside IR35 Stevenage - 3 days onsite 3 month initial contract Must hold or be eligible for UK SC clearance Overview Senior Integration Engineer required to design and deliver cloud integrations across AWS and Azure within a secure environment. You'll work closely with architects and engineering teams to build API, event-driven and SaaS integrations , helping define integration patterns and deliver scalable cloud solutions. Key Skills Strong AWS/Azure integration experience Designing API-led and event-driven integrations Experience with Azure Logic Apps, Azure Functions, AWS Lambda, AppFlow or similar Exposure to iPaaS tools such as MuleSoft, Boomi etc. Integration between SaaS platforms and enterprise systems Familiar with CI/CD, Git or Azure DevOps Desirable Experience working in secure / regulated environments Previous SC...

Senior Data Engineer - Contract - Outside IR35 3 days per week onsite, Central London £600 per day 6 months (extensions possible) FinTech | London We’re partnering with a fast-growing FinTech at the heart of Private Market Investments. What They’re Looking For Strong grounding in computer science fundamentals and data modelling Solid experience across the software delivery lifecycle as it applies to data Commercial experience with Python (and strong SQL skills) Experience with streaming and data processing (e.g. Kafka, Spark, Athena or similar) Hands-on experience with Azure Familiarity with containerisation and orchestration Clear communicator who can explain technical decisions to non-technical stakeholders Why Join? Work on genuinely difficult engineering problems Exposure to large, complex systems in real production environments A culture built by engineers, for engineers 3 days per week onsite, Central London £600 per day 6...

Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days We’re supporting one of the UK’s largest consumer digital platforms as they scale their engineering capability across several high-traffic products used by millions of customers. They’re looking for Senior / Lead Full-Stack TypeScript Engineers with deep GraphQL expertise to help evolve and scale their API architecture. This role sits within a high-performing product engineering team responsible for building and maintaining critical services that power modern web and mobile experiences. You’ll play a key role in designing and evolving GraphQL schemas, improving API architecture, and delivering performant full-stack applications within a mature engineering environment. This is an opportunity to work on complex distributed systems at significant scale, collaborating...

💻 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 Azure Data Engineer - Wealth Management (Outside IR35, 9-Month Contract, Hybrid London) Contract | 9 months | Outside IR35 | Hybrid (London with flexibility) A leading UK Wealth Management firm undergoing a major digital and data transformation programme is seeking an experienced Senior Azure Data Engineer to design and deliver a greenfield, end-to-end data warehouse and analytics platform. This position is a hands-on, lead engineering role requiring deep Azure expertise, architectural decision-making experience, and a strong background within wealth & asset management data environments. Key Responsibilities Lead the design and delivery of a full Azure-based data warehouse and medallion architecture (Bronze/Silver/Gold). Drive architectural decisions (integration patterns, dimensional models, API frameworks) and produce ADRs. Build secure, scalable source integrations across file, database, and API endpoints. Develop robust batch + incremental ELT/ETL...

All our office locations considered: Newbury, Reading, London, Liverpool, Glasgow (UK); xc5 xa0ibenik, Croatia (considered) We 're on the hunt for builders No, we 've not ventured into construction in our quest to conquer the world, rather a designer and builder of systems for all things data related where we are conquering the Data World. We can offer an interesting insight into projects spanning a variety of sectors, which may include industries such as telecoms, insurance, finance and mortgages. First and foremost we seek strong Consultants; so if you are ready to explore our dynamic team where you can truly act as an expert in your field in support of our clients and their challenges in the world of data and technology, read on! The Team We 're Intuita - a fast growing consultancy that 's making waves in both the consultancy and technology space. With our ambitious goals for the year ahead and beyond, we are looking for talented individuals to...

Senior Integration Engineer / Architect - AWS & Azure Outside IR35 Stevenage - 3 days onsite 3 month initial contract Must hold or be eligible for UK SC clearance Overview Senior Integration Engineer required to design and deliver cloud integrations across AWS and Azure within a secure environment. You 'll work closely with architects and engineering teams to build API, event-driven and SaaS integrations , helping define integration patterns and deliver scalable cloud solutions. Key Skills Strong AWS/Azure integration experience Designing API-led and event-driven integrations Experience with Azure Logic Apps, Azure Functions, AWS Lambda, AppFlow or similar Exposure to iPaaS tools such as MuleSoft, Boomi etc. Integration between SaaS platforms and enterprise systems Familiar with CI/CD, Git or Azure DevOps...

Job Title: Senior IT Support Engineer - Outside IR35 Company & Team Introduction: Role Description / Purpose of the Role: Own the local office IT relationship, ensuring all engagement, prioritisation and decision-making channels operate in line with Group-wide policies and standards. Convert business needs into outcomes and deliver a value‑aligned roadmap while being willing to build, configure and validate solutions across M365, Azure and endpoint platforms to land secure, reliable services — always routed through Group IT oversight and direction. Key Responsibilities: Act as the primary local interface with Group IT Shape, prioritise and track the local demand backlog and associated benefits and budgets with necessary approvals and Group level direction at every stage. Hands‑on support configuration/testing across Entra ID/Intune/Autopilot, Teams/SharePoint, print (Ricoh/PaperCut), and basic network/Wi‑Fi as delegated by Group IT....

Senior Database Engineer Taunton - 3 days per week onsite Active SC Clearance required £450 per day Outside IR35 We're supporting a secure, mission-critical programme seeking a hands-on Senior Database Engineer to take ownership of a 1TB+ SQL Server estate. This is a delivery-focused engineering role - not documentation or governance. You'll build on existing analysis to validate findings, map database structures to application functionality, and implement safe, incremental improvements to performance, resilience, and security. Key Responsibilities Rationalise and optimise a large SQL Server database Identify redundant/high-risk data structures Implement data retention and archival strategies Improve performance (indexing, partitioning, query tuning) Strengthen HA, resilience, and database security Safely promote schema changes through controlled release processes Required Experience Deep hands-on Microsoft SQL Server expertise...

Role: Senior Mobile Automation Test Engineer Location: London/Hybrid (2-3 days onsite) Term: End of 2026 Rate: Neg Status: Outside IR35 We're seeking a Senior Mobile Automation Test Engineer to join a London-based asset management firm delivering secure, high-performance mobile applications within a regulated environment. You'll lead mobile automation strategy across iOS and Android and embed automation into CI/CD to support secure and continuous delivery. Key Responsibilities Perform detailed manual testing across iOS and Android applications Identify and reduce defect leakage across integrated mobile components Execute functional, regression, integration and API test scenarios Contribute to and maintain automation suites using WebdriverIO (WDIO) and Appium Develop BDD-style test scenarios using Cucumber Execute automated tests via Sauce Labs (or similar cloud platforms) Support integration of automated tests into CI/CD pipelines Collaborate...

Senior Database Engineer Taunton - 3 days per week onsite Active SC Clearance required £450 per day Outside IR35 We're supporting a secure, mission-critical programme seeking a hands-on Senior Database Engineer to take ownership of a 1TB+ SQL Server estate. This is a delivery-focused engineering role - not documentation or governance. You'll build on existing analysis to validate findings, map database structures to application functionality, and implement safe, incremental improvements to performance, resilience, and security. Key Responsibilities Rationalise and optimise a large SQL Server database Identify redundant/high-risk data structures Implement data retention and archival strategies Improve performance (indexing, partitioning, query tuning) Strengthen HA, resilience, and database security Safely promote schema changes through controlled release processes Required Experience Deep hands-on Microsoft SQL Server expertise...

Job Title: Senior IT Support Engineer Company & Team Introduction: Role Description/Purpose of the Role: Own the local office IT relationship, ensuring all engagement, prioritisation and decision-making channels operate in line with Group-wide policies and standards. Convert business needs into outcomes and deliver a value-aligned roadmap while being willing to build, configure and validate solutions across M365, Azure and endpoint platforms to land secure, reliable services - always routed through Group IT oversight and direction. Key Responsibilities: Act as the primary local interface with Group IT Shape, prioritise and track the local demand backlog and associated benefits and budgets with necessary approvals and Group level direction at every stage. Hands-on support configuration/testing across Entra ID/Intune/Autopilot, Teams/SharePoint, print (Ricoh/PaperCut), and basic network/Wi-Fi as delegated by Group IT. Coordinate NetSuite (HIVE) impacts...

Salary: £550 - 650 per day Reference: FG5H5H 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,...

Join a forward-thinking team where your expertise in data engineering will directly shape retail insights and drive commercial success. Salary: £525 - 550 per day Senior Analytics Engineer – Urgent Contract Role (Looker + BigQuery) Outside IR35 £525–£550/day Hybrid in London Initial 3 months ASAP start We're supporting a client building a new Retail Reporting solution on GCP, covering ingestion, modelling, and semantic layers. This is a hands-on role leading the technical build across BigQuery, Dataform, and Looker, working with diverse retail datasets and a fast-moving commercial team. You'll own the delivery of robust data pipelines, scalable retail data models, and optimised Looker-ready structures. You must be available within the next 2 weeks and 1-2 Central London office days will be required. Key Responsibilities Integrate and configure multiple retail data sources into GCP. Build and maintain Dataform pipelines across raw, staging, and gold layers....

Senior Infrastructure Engineer Central London £550 - £650 p/d - outside IR35 3 month initial term A well-established, growing business is seeking an experienced Senior IT Infrastructure Engineer to support both core infrastructure and M&A projects. This is a critical role during a period of ambitious expansion, including multiple acquisitions and integration of new sites. You will ensure seamless IT operations, business continuity and secure, resilient infrastructure across offices and acquired businesses. Key Responsibilities: * Lead the assessment, integration and consolidation of IT environments during mergers and acquisitions * Manage core office and site networks, including LAN/WAN, VPNs, IP addressing and firewall operations (FortiGate)u * Conduct audits of IT infrastructure, cloud environments (Azure, AWS) and enterprise applications (ERP, CRM) * Plan and execute migrations, including tenant-to-tenant Microsoft 365 and Active Directory...

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 Analytics Engineer – Urgent Contract Role (Looker + BigQuery) Outside IR35 | £525–£550/day | Hybrid in London | Initial 3 months | ASAP start We’re supporting a client building a new Retail Reporting solution on GCP, covering ingestion, modelling, and semantic layers. This is a hands‑on role leading the technical build across BigQuery, Dataform, and Looker, working with diverse retail datasets and a fast‑moving commercial team. You’ll own the delivery of robust data pipelines, scalable retail data models, and optimised Looker‑ready structures. You must be available within the next 2 weeks and 1-2 Central London office days will be required. Key Responsibilities Integrate and configure multiple retail data sources into GCP. Build and maintain Dataform pipelines across raw, staging, and gold layers. Develop unified sales, inventory, and shipping models in BigQuery. Implement key retail logic: on‑hand vs on‑order, Weeks of Supply, and calendar...

Senior IT Support Engineer - Contract Synchro is hiring on behalf of a large and well-established organisation, who require a senior and experienced Engineer on an initial 6 month contract, which has the potential to become permanent. You’ll be the go-to technical expert for complex IT issues, supporting and enhancing infrastructure while ensuring systems remain secure, stable, and high-performing. Providing a blend of 2nd & 3rd line support across hardware, software, and networking, you will lead root cause analysis and implement permanent fixes as well as working with the wider team to coordinate day-to-day helpdesk activities. This role will involve the administration of servers, virtual environments, and core infrastructure as well as the management of Active Directory, Group Policy and DNS, DHCP. You’ll be familiar with Intune, Exchange, SCCM, and you will have a broad range of exposure involving the support of Microsoft 365 and ideally Azure, although this is...

Senior Cloud Network Engineer - Multi-Cloud, AWS, Azure, Terraform - £600 - £650 per day (outside IR35, mostly remote) A global commercial real estate services and investment firm are seeking a highly skilled Senior Cloud Network Engineer to lead the design and optimization of secure, scalable cloud networking solutions across their international operations. The Senior Cloud Network Engineer's responsibilities will be: Design and implement advanced cloud network architectures across AWS, Azure, and hybrid environments including VPCs, Transit Gateways, and Direct Connect solutions. Lead integration of on-premises and cloud networks, ensuring secure and efficient hybrid connectivity across global infrastructure. Collaborate with cybersecurity, DevOps, and infrastructure teams to align cloud network strategies with business objectives. Conduct cloud network architecture reviews, performance tuning, and cost optimization initiatives. Develop and maintain network...

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.