26 senior data engineer jobs found

Senior Data Engineer (Cloud, Data Integration & Migration) - 3-6 Month Contract Company Description Come join us and make a difference in the world!  NO AGENCIES PLEASE Job Description We are seeking an experienced  Senior Data Engineer for a 3-6 month contract  to join our growing Data Services team. This is a hands-on technical role focused on designing, building, and supporting cloud-based data solutions across AWS and Azure platforms. The successful candidate will have strong experience in data engineering, data integration, ETL/ELT development, data migration, data quality, and cloud-native analytics platforms. They will work closely with technical and business stakeholders to deliver scalable, secure, and high-quality data solutions. CANDIDATES MUST BE ELIGIBLE FOR UK SECURITY CLEARANCE FOR THIS ROLE Key Responsibilities Design, develop and maintain scalable ETL and ELT pipelines. Build...

Data Engineer (Azure | Databricks | PySpark | SQL) Contract | Remote | UK Public Sector Project   We are seeking a Data Engineer to support delivery of key data components within our evolving data ecosystem. This role will work closely with architects, analysts, engineers, and wider delivery teams to implement pipeline builds, data models, and integration patterns aligned to the organisation’s new Target Operating Model for Data. You will contribute to the development of scalable data flows, optimise ingestion & transformation activities, and ensure solutions meet technical standards, performance expectations, and security controls. This is a hands-on engineering role ideal for someone who enjoys building, shaping, and improving modern data platforms. Who We’re Looking For A highly capable Data Engineer with hands-on experience building ETL...

Join the Intelance associate panel. The first engagement is expected to start in November 2026, subject to client approval. Intelance is a UK advisory firm working on technology governance, cyber security and data governance. We are looking for a senior hands on engineer to check, clean up and evidence who can see what across Microsoft 365 and a cloud data platform, for a UK regulated investment firm. You will work with our delivery lead and the client's own technology team. Tasks Run access reviews across Microsoft 365, SharePoint, Teams and Entra ID, and record the results. Find and fix access that is too broad, such as open SharePoint sites, old guest accounts and unused groups. Write PowerShell and Microsoft Graph scripts that pull permissions and repeat the checks each quarter. Check access in a cloud data platform such as Snowflake, using SQL. Prepare clear evidence packs that show what was checked, what was found and what was fixed. Work...

We are an early stage fintech startup building a cross-border lending marketplace connecting emerging-market financial institutions (seeking foreign-currency funding) with lenders in developed markets. Think of us as connecting Tier 1/2 banks in Africa/Asia with mid Tier lenders in the UK and Europe and China. We are pre-revenue, validating product-market fit with anchor users, and now ready to build the MVP. This is a ground-floor opportunity to shape the technical foundation of a marketplace that could scale to billions in annual deal flow. LOCATION: United Kingdom (Remote, flexible hours) THE ROLE We need an experienced senior technologist to design the core architecture of our marketplace platform and ensure a junior/mid-level UK engineer can execute the MVP independently. You will own six concrete deliverables over 12 weeks: Technical architecture document – technology stack, system design, rationale Development framework – Git...

About the job Freelance Lead Product Manager IR35 : Outside Contract Length: 12 months Start Date: November 2026 Location : Hybrid with twice per month in the London office Day rate: £500-600   About the role Elsewhen is a London-based AI consultancy. We design and build technology for clients like Spotify, Google, Inmarsat and Zego. We value outcomes over hours and agility over rigid process. We're looking for an experienced Lead Product Manager to own a data and AI engagement from day one. The work focuses on rapid pilot builds, Databricks dashboards and Next Best Action modelling. You'll own discovery, shape the solution and validate it with the client, making sure what we build fits their wider vision and the outcomes they care about. You'll lead a small, cross-functional team alongside an AI Engineer and a Data Scientist.   What you'll do: Get up to speed fast Understand the...

Please note : An active SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks.  (Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active security clearance.)    The UK Health Security Agency (UKHSA) has been set up to provide health security for the nation by protecting from infectious disease and external hazards. It will need to take action like no other organisation previously in order to mitigate threats to health before they materialise. UKHSA will be a trusted source of advice to government and to the public.   We are seeking a skilled Engineer to join our Identity Access Management Team. This role will be the lead subject matter expert for Identity services related to Azure within a varied...

Location: UK Remote (GMT timezone) Department: Engineering Employment Type: Contract (B2B)   About YLD: Our goal is to help our clients keep moving forward. We work with them to build the skills and capabilities they need to stay ahead of the competition, and we know our success only happens when they succeed. We’re a team of curious, talented people, and we’re committed to making YLD a place where great people want to work, grow, and stay. We’re a remote-first consultancy specialising in software engineering, product design, and data. Our teams are based across London, Lisbon, and Porto, and we create digital solutions that continue to deliver value long after our work is done.   About the role As a Senior Software Engineer at YLD, you’ll be part of a client team building innovative products. We’re looking for someone curious, passionate, driven, and enthusiastic. You should be skilled in...

Join the Intelance associate panel. The first engagement is expected to start in November 2026, subject to client approval. Intelance is a UK advisory firm working on technology governance, cyber security and data governance. We are looking for a senior hands on engineer to check, clean up and evidence who can see what across Microsoft 365 and a cloud data platform, for a UK regulated investment firm. You will work with our delivery lead and the client's own technology team. Tasks Run access reviews across Microsoft 365, SharePoint, Teams and Entra ID, and record the results. Find and fix access that is too broad, such as open SharePoint sites, old guest accounts and unused groups. Write PowerShell and Microsoft Graph scripts that pull permissions and repeat the checks each quarter. Check access in a cloud data platform such as Snowflake, using SQL. Prepare clear evidence packs that show what was checked, what was found and what was fixed. Work with the...

We are an early stage fintech startup building a cross-border lending marketplace connecting emerging-market financial institutions (seeking foreign-currency funding) with lenders in developed markets. Think of us as connecting Tier 1/2 banks in Africa/Asia with mid Tier lenders in the UK and Europe and China. We are pre-revenue, validating product-market fit with anchor users, and now ready to build the MVP. This is a ground-floor opportunity to shape the technical foundation of a marketplace that could scale to billions in annual deal flow. LOCATION: United Kingdom (Remote, flexible hours) THE ROLE We need an experienced senior technologist to design the core architecture of our marketplace platform and ensure a junior/mid-level UK engineer can execute the MVP independently. You will own six concrete deliverables over 12 weeks: Technical architecture document – technology stack, system design, rationale Development framework – Git...

Systems Programmer — AI Data Pipelines About The Role What if your mastery of Rust could directly shape the infrastructure powering the world's most advanced AI systems? We're looking for a senior Rust engineer to design and build the high-performance data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to train and improve their models. This is a fully remote contract role working on real production systems — not toy projects. You'll be embedded alongside world-class data, research, and engineering teams, solving hard systems problems that have a direct impact on the trajectory of AI development. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: 20–40 hours/week What You'll Do Design, build, and optimize high-performance systems in Rust supporting large-scale AI data pipelines and evaluation workflows Develop full-stack tooling and backend services for data...

Backend Developer — AI Data Services About The Role What if your C# expertise could directly shape the infrastructure powering the next generation of AI? We're looking for a Senior C# Full-Stack Engineer to build and optimize the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to train and improve their models. This is a fully remote contract role with meaningful, high-impact work — the kind where your code doesn't just sit in a backlog, it actively influences how AI systems learn and behave at scale. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: 20–40 hours/week What You'll Do Design, build, and optimize high-performance C# systems supporting AI data pipelines and evaluation workflows Develop full-stack tooling and backend services for large-scale data annotation, validation, and quality control Improve reliability, performance, and safety across...

Job Description: Project Overview We are seeking a highly skilled and certified AWS Cloud Security & Frontend Engineer to conduct an intensive and comprehensive security assessment, infrastructure mapping, functional review and technical documentation of our platform. The target delivery window is 1–2 weeks. We are looking for an all-round Full-Stack Developer to work with us 5 days a week to also cover all aspects of our websites, including frontend and backend development, AWS infrastructure, deployment, maintenance, troubleshooting, security and SEO. The role requires someone who can take ownership of our web platforms and manage their ongoing development and performance. The business operates on Amazon Web Services (AWS) infrastructure, with Next.js cloud-based web applications, integrated Machine Learning APIs and a MySQL backend database. Scope of Work & Key Deliverables Application & Frontend Security Assessment: Evaluate Next.js...

Join the Intelance associate panel. The first engagement is expected to start in November 2026, subject to client approval. Intelance is a UK advisory firm working on technology governance, cyber security and data governance. We are looking for a senior hands on engineer to check, clean up and evidence who can see what across Microsoft 365 and a cloud data platform, for a UK regulated investment firm. You will work with our delivery lead and the client's own technology team. Tasks Run access reviews across Microsoft 365, SharePoint, Teams and Entra ID, and record the results. Find and fix access that is too broad, such as open SharePoint sites, old guest accounts and unused groups. Write PowerShell and Microsoft Graph scripts that pull permissions and repeat the checks each quarter. Check access in a cloud data platform such as Snowflake, using SQL. Prepare clear evidence packs that show what was checked, what was found and what was fixed. Work with the...

Contract Sr Data Analyst (SQL,Telemetry,Browser Engine) The Gecko platform is the core engine of our product experience. To maintain competitiveness and user satisfaction, we must move beyond surface-level metrics to understand the deep correlations between engine performance and real-world user behavior. We currently face challenges with data quality, such as bot contamination in nightly telemetry, which obscures our understanding of true performance trends. A dedicated analyst is required to bridge the gap between engineering telemetry and actionable product strategy, ensuring that leadership has high-fidelity data to prioritize performance guardrails and technical budgets. Engineering Deliverables Automated Dashboards:  Create and maintain high-level overview dashboards that translate complex performance data into consumable formats for Product Managers and leadership. Telemetry Gap Analysis:  Audit the Gecko codebase to identify missing collection...

Contract status: Outside IR35 Start date: ASAP, once SC clearance is complete Contract length: Three months, extension likely Location: Remote first Office days: Two visits to London a year Who You'll Be Doing It For You'll join the mobile platform team on a UK government app, working on the app and the services that support it. The team builds and maintains the common parts of the app, such as login. It also brings in key features built by other teams, and manages app releases. You're engaged through hedgehog lab, a digital product consultancy and certified B Corp, also Great Place to Work certified. For 20 years we've helped public and private sector organisations through digital transformation. What You'll Be Doing You'll build and improve the common parts of the Android app, such as login, in Kotlin. You'll lead on the technical design of what you build, and work on how features from other teams fit into the app. You'll apply secure coding practices...

Design how it's built, and help clients get there You'll design the systems behind our client projects and be the technical voice in the room when clients are working out what they need. What's in it for you You'll work with clients from the early conversations, alongside delivery and product. You'll work alongside engineers who build with AI agents every day. Who you'll be doing it for hedgehog lab is a digital product consultancy with 20 years behind us. We build apps, websites and AI platforms for public and private sector clients in health tech, retail and financial services. Our project teams are 5 to 15 people, made up of agentic engineers, software engineers, QA and designers. We're around 100 people across the UK and Europe, about a quarter of them contractors. What you'll be doing Most of your time: - Designing systems and cloud architecture for client projects - Working with clients to understand what they need and shaping the...

Are you a coding expert fluent in Python eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of scientific discovery. With high‑quality training data, tomorrow's AI can democratize world‑class education, keep pace with cutting‑edge research, and streamline software development for engineers everywhere. That training data begins with you—we need your expertise to help power the next generation of AI. We're looking for Python coding specialists who live and breathe algorithms, data structures, software architecture, frontend and backend development, cloud infrastructure, and systems programming—and who can do so fluently using Python. You'll challenge advanced language models on topics like asynchronous programming, RESTful API integration, memory management, object-oriented design, secure coding practices, and debugging distributed systems—documenting every failure mode so we can harden model...

About The Role What if the code you write could directly shape how the next generation of AI understands and generates software? We're looking for Software Engineers in London to build, evaluate, and improve AI-generated code — helping train AI systems to think like real developers. You'll write solutions, review AI outputs, and provide the expert-level feedback that makes AI coding assistants smarter, safer, and more reliable. This is hands-on engineering work at the frontier of AI development — not theoretical, not bureaucratic, and not boring. This is a fully remote, flexible contract role. If you can write clean code and explain your reasoning, we want to hear from you. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: 10–40 hours/week What You'll Do Write, debug, and optimize code across a range of languages, frameworks, and problem domains Review and evaluate AI-generated code for correctness,...

World Wide Technology (WWT) is a global technology integrator and supply chain solutions provider. Through our culture of innovation, we inspire, build, and deliver business results from ideas to outcome.   World Wide Technology (WWT) is looking for an experienced Security Engineer and the role spans security tooling (endpoint, Zscaler and identity) and SIEM and logging (Microsoft Sentinel and Cribl).   The ideal candidate will have strong hands-on experience with endpoint security tooling, Zscaler and identity platforms in a production enterprise environment.   This is a contract Role & Inside IR35 Security Engineer Contract Duration : 6 months Contract Location: Remote, United Kingdom   Key Responsibilities: Deploy, configure and tune endpoint security tooling, including policy management and agent rollout. Configure and manage Zscaler services, including policy, access controls and traffic...

Software Engineer - Quantitative Decision Systems Experienced Junior to Mid-Level Location:  Remote, London-based Engagement:  Initial contractor, intended to convert to permanent Indicative contract rate:  GBP 350-550/day; target c. GBP 450/day Indicative permanent salary:  GBP 55,000-80,000 Reporting to:  Naverion Chief Technical Officer (CTO)   Role Summary Naverion is seeking a software engineer at experienced-junior to mid-level to deliver defined components across its quantitative decision platform. Working directly with the CTO, the engineer will implement, test, document and support the controlled release of production software. The role suits someone who can progress bounded work independently and, at the upper end of the range, own defined components through the full SDLC. Architecture, methodology, clinical interpretation, security design and production approval remain with the CTO and relevant...