127 contract jobs found

Senior Data Engineer - Contract - Outside IR35 3 days per week onsite, Central London £600 per day 6 months (extensions possible) FinTech | London We’re partnered with a fast-growing FinTech at the heart of Private Market Investments, looking to scale their Data function. What They’re Looking For Strong grounding in computer science fundamentals and data modelling Commercial experience with more than one programming language (Python, Scala, Java, C++) (and strong SQL skills) Experience with streaming and data processing (e.g. Kafka, Spark, Athena or similar) Hands-on experience with Azure Familiarity with data containerisation, ingestion, 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,...

Contract Senior Java Developer – Data Up to £700 per day Outside IR35 (6 month rolling) In office – City of London Quant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with a secondary responsibility owning straightforward Python ETL/data ingestion into AWS and PostgreSQL. This is a growing team focused on data ingestion and building tooling for the wider firm. What you’ll do: Build and enhance Java backend services (APIs, batch jobs, integrations) used across the business Write clean, testable code with solid engineering discipline (testing, code review, debugging, production support) Maintain and extend Python-based ingestion/ETL (pragmatic plumbing, not heavy data engineering) Work with PostgreSQL (schemas, migrations, performant queries, data validation) Improve service reliability: monitoring/logging, sensible alerting, and predictable deployments via CI/CD...

We're working with a fast growing start-up who are looking to bring their technology in house. You'll be working on a greenfield project to replace the current third party vendor and elevate their billing and subscription product further. Key Skills: - TypeScript - AWS - Effect-TS - Knowledge of finance, billing systems or subscription platforms will be key. Contract Details - Outside IR35 - £500-£600 - Fully Remote - Starting ASAP If you're interested to hear more, please apply now with your updated CV.

Head of Data | Contract | 6 months | Outside IR35 | £600-£700 per day I'm working with a major energy organisation who are going through a strategic transformation toward Real Time, AI driven decision making, modernised data infrastructure, and a deeply Embedded data culture. This role combines hands on leadership of automation and AI initiatives with the strategic responsibility of shaping the company's long term data vision. You will build a high performing team, elevate BI capabilities, and unlock value from rich customer data flows to improve customer understanding and operational efficiency. This is a 6 month engagement, outside IR35, requiring two days per week on site in London. The technology environment includes GCP, Bit query, and Looker. Key Responsibilities Business Intelligence, Automation & Advanced Analytics Transform BI from static reporting into dynamic, Real Time, self service analytics used across the organisation. Design and implement...

Business Analyst MSCI Total Plan (Caissa) | Endowment / Asset Owner – Business Analyst (Contract) | Outside IR35 | up to £700/day | 6‑month initial | Hybrid London A Business Analyst - MSCI Total Plan with deep investment operations and front‑office/risk understanding is required for a flagship MSCI Total Plan implementation for a £10bn+ endowment. The Business Analyst - MSCI Total Plan is a high‑impact role within a multi‑year transformation programme consolidating public, private, and real asset portfolios into a single investment book of record. The organisation is a mission‑driven asset owner with a long‑term investment horizon and a strong commitment to responsible stewardship. This Business Analyst - MSCI Total Plan will step into a critical delivery position—owning key workstreams, validating the operating model, and partnering closely with the implementation team, front office, and risk stakeholders. Experience with MSCI Total Plan (Caissa) 💰...

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...

Contract 6 Months Hybrid Working - (minimum 1 day a month in Jersey) A leading technical consultancy with presence on the island of Jersey are undergoing a major network and infrastructure transformation programme and are looking for an experienced Principal Network & Security Architect to join on an initial 6-month contract . This is a senior architectural leadership role , responsible for shaping network and security architecture across a complex enterprise environment and ensuring solutions delivered by multiple projects and suppliers align with enterprise standards and security strategy. **Please note this role is open to candidates in both UK and Ireland** On Offer   - Day rate - Up to £680 p/d - Outside IR35 - Duration - Initial 6 months - To commence April 1st 2026  The Role You will operate at a programme level , providing architectural oversight and ensuring all network solutions are secure, scalable, and aligned with modern infrastructure...

Microsoft Security Implementation Consultant Location: Hemel Hempstead (2 days onsite) Contract: Outside IR35 Day rate: Up to 650 per day Duration: 6 months Start date: ASAP Key skills: Microsofts E5 security suite We currently have an opportunity for a Microsoft Security Implementation Consultant. The role involves shaping, designing, deploying and configuring the complete Microsoft E5 Security Suite into the Business. Skills & Experience - 3-7 years of hands-on Microsoft Security implementation - Strong knowledge of all Microsoft Defender modules - Strong understanding of Entra ID security frameworks - Experience integrating Microsoft security tools in enterprise setups - Preferred Certifications: SC-200, SC-300, SC-400, AZ-500 Key Responsibilities: - End-to-end implementation of Microsoft Security tools (Defender, Sentinel, Entra ID - Deploy Microsoft Defender modules - Endpoint, Identity, Cloud Apps & Office 365 - Implement & configure...

AI Platform Engineer - Remote - Outside IR35 - Python / Typescript or similar - AWS - Terraform or CDK - CI/CD. We have an urgent need for a Platform Engineer on a 9 month contract. You will have strong experience in cloud infrastructure and a passion for AI-powered automation. This is not a traditional DevOps or admin role we're seeking someone who builds usable tools and automations, not just infrastructure. Essential skills for the role - · Proven software development experience (e.g., Python, TypeScript, or similar) · Hands-on experience automating real-world processes or building internal tools · Solid cloud infrastructure experience with AWS (EC2, IAM, S3, Lambda, CloudWatch, etc.) · Experience with Terraform or CDK for provisioning infrastructure · Familiarity with CI/CD pipelines and Git-based workflows · Active use of AI tools for development, documentation, research, or automation Please forward your CV for immediate consideration.

We're working with a couple of consultancies who need additional Contractors to support them with urgent projects. These will be remote (in UK) with occasional travel to client sites and should fall outside of IR35 working rules. We envision these contracts lasting anything from 3-6 months (possibly even retained). They will be looking for Business Central Generalists who have experience working across core modules (ie Finance, SCM, Manufacturing, etc.) Construction would also be a plus. Please hit apply if you're a contractor looking for work!

Principal .NET Engineer - Contract Up to £650/day Outside IR35 Manchester (Hybrid) 12 Months We're partnering with a rapidly scaling technology platform that is heavily investing in its next-generation cloud architecture. They are looking for a Principal .NET Engineer to play a key role in designing and delivering highly scalable Back End services within a modern AWS-based platform. This is a principal-level engineering role, not just another development position. You will operate at the intersection of hands-on engineering, architecture, and technical leadership, helping shape how core systems evolve as the platform scales. Why This Contract Is Interesting Greenfield & Modern Architecture - Work on a cloud-native platform built around modern microservices and event-driven patterns. Architectural Influence - Contribute to key technical decisions and shape Back End engineering standards across teams. Principal-Level Engineering - Remain...

Contract Data Engineer – Up to £600 per day | Outside IR35 | Fully Remote OB is currently supporting a global retail organisation that has launched a large-scale KPI Engineering initiative. The programme is centred around creating a single, governed KPI framework to replace the organisation’s current mix of disconnected dashboards and reports. The goal is to establish a reliable, centralised source for business metrics across the company. To support the initial phase of the project, two contract Data Engineers will join the team, focusing on data pipeline development and KPI modelling within the organisation’s data platform. Key Responsibilities Design and implement scalable data pipelines that power business KPI reporting Develop and maintain KPI data models within the central data platform Improve performance of existing data warehouse queries and data pipelines Collaborate with analysts and stakeholders to translate business definitions into...

Business Analyst MSCI Total Plan (Caissa) | Endowment / Asset Owner – Business Analyst (Contract) | Outside IR35 | up to £700/day | 6‑month initial | Hybrid London A Business Analyst - MSCI Total Plan with deep investment operations and front‑office/risk understanding is required for a flagship MSCI Total Plan implementation for a £10bn+ endowment. The Business Analyst - MSCI Total Plan is a high‑impact role within a multi‑year transformation programme consolidating public, private, and real asset portfolios into a single investment book of record. The organisation is a mission‑driven asset owner with a long‑term investment horizon and a strong commitment to responsible stewardship. This Business Analyst - MSCI Total Plan will step into a critical delivery position—owning key workstreams, validating the operating model, and partnering closely with the implementation team, front office, and risk stakeholders. Experience with MSCI Total Plan (Caissa) 💰...

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...

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...

Contract Data Engineer – KPI Platform Remote | Up to £600/day | Outside IR35 Oliver Bernard are working with a global retail client on a KPI Engineering programme running through 2026 . The project is focused on building a centralised, governed KPI library to replace fragmented dashboards and create a single, trusted source of business metrics. Two contractors are being brought in initially to focus on core data engineering and KPI modelling work. What you'll be doing Building KPI data models and pipelines Developing a central KPI library within the data platform Optimising existing data warehouse queries and pipelines Working with analysts to define and operationalise business KPIs Requirements Strong Data Engineering experience Advanced SQL and data modelling Experience with modern data stacks (dbt, cloud warehouses, BI tools such as Looker) Comfortable working across both optimisation and new data builds Contract...

🚀Contract Senior Product Manager | B2C | Outside IR35 🚀 Role: Senior Product Manager - Contract Location: London – Hybrid, 3 days in office Contract: 6 months Rate: up to £600 p/d Outside IR35 Start: ASAP We’re partnered exclusively with a B2C HealthTech company looking for a Senior Product Manager to join the team. The business is app-led and subscription-based, focused on building engaging digital health experiences for a large and growing user base 📱💊 As a Senior Product Manager, you’ll own key parts of the product experience, improving how users discover, onboard, and engage with the platform. Working closely with engineering, design, CRM, and marketing, you’ll turn insights and user feedback into product improvements and new features that deliver real value. What makes this role exciting: ✨ Shape a core product area within a fast-moving HealthTech business 🔄 Improve onboarding and early user journeys 📊 Use data and user insights to guide...

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...

Programme Director – Technology Transformation ?? Remote (UK) ?? £700 – £800 per day (Outside IR35) ?? Initial 6-month contract – strong potential to extend (programme expected to run 3+ years) ?? Exclusive opportunity via Mploy Group Mploy Group is supporting a major UK-based organisation undergoing a significant technology and clinical transformation programme . We are seeking an experienced Programme Director to lead a large-scale, multi-year programme spanning technology platforms, clinical systems, operational change, and third-party delivery. This is a high-impact leadership role , requiring someone who has successfully delivered complex enterprise programmes involving multiple workstreams, senior stakeholder engagement, and large supplier ecosystems. You will operate at executive level, ensuring programme delivery remains aligned to strategic objectives while maintaining governance, delivery oversight, and stakeholder confidence. The Role The Programme...

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...