65 engineering jobs found in London

Full Stack Engineer | Cross Asset Trading | React, C#, .NET, SQL Server | London | Hybrid 1-2 days onsite | Up to £550 p/day | Outside IR35 We’re working with a cross-asset trading business that’s firmly tech-first, where engineering sits at the heart of how the firm operates. They’re looking for a Full Stack Developer to join on a contract basis and help build the applications their traders and teams rely on every day. On the technical side, this is a front end-led role, with roughly 60% of your time in React, 30% across .NET, C# and API development, and the remaining 10% in SQL Server. Experience with the modern React ecosystem will set you apart, particularly the TanStack suite, which has become the industry standard for data access and routing. Just as important, you’ll bring a background in regulated environments. Finance can be a tricky space to step into cold, so a solid grasp of the vocabulary and an understanding of models and funds work will help you hit the...

PRINCIPAL SOLUTIONS ARCHITECT London - Hybrid 3-Month Contract | Immediate Start Required 700 GBP Outside IR35 Ready to shape the future of enterprise technology? We're looking for an exceptional Principal Solutions Architect to make an immediate impact. We are working with a leading global technology and digital transformation organisation seeking an accomplished Thought Leader & Principal Solutions Architect to join their team on an initial 3-month contract with a view for extenssion! This is an exciting opportunity for a senior technology leader who combines exceptional architectural expertise, commercial awareness and the ability to influence C-suite stakeholders. You'll play a pivotal role in shaping enterprise technology strategies, advising senior clients and translating emerging innovations into tangible business outcomes. Immediate availability is highly desirable, as the client is looking to move quickly. The Opportunity You'll operate at the...

Senior QA Engineer, Outside IR35, £550 day rate - Remote working Parity is delighted to partner with our client, a public sector organisation, who are looking to recruit a Senior QA Engineer / Software Engineer in Test to join the IDS team. Initially a 6 month contract with a view for extension. This role will require occasional attendance to their regional offices. This is a hands-on role combining test automation engineering with release coordination, reporting directly to the Product Manager. The immediate priority is to assess and stabilise the existing ReqnRoll (SpecFlow/BDD) test suite, define a migration approach, and build out a modern Playwright-based automation framework. You'll also take ownership of release coordination, ensuring high-quality, well-governed deployments with clear reporting for stakeholders. You'll work closely with a DevOps Engineer focused on infrastructure and reliability. This is an individual contributor role with no line management....

Full Stack Engineer | Cross Asset Trading | React, C#, .NET, SQL Server | London | Hybrid 1-2 days onsite | Up to £550 p/day | Outside IR35 We’re working with a cross-asset trading business that’s firmly tech-first, where engineering sits at the heart of how the firm operates. They’re looking for a Full Stack Developer to join on a contract basis and help build the applications their traders and teams rely on every day. On the technical side, this is a front end-led role, with roughly 60% of your time in React, 30% across .NET, C# and API development, and the remaining 10% in SQL Server. Experience with the modern React ecosystem will set you apart, particularly the TanStack suite, which has become the industry standard for data access and routing. Just as important, you’ll bring a background in regulated environments. Finance can be a tricky space to step into cold, so a solid grasp of the vocabulary and an understanding of models and funds work will help you hit the...

Snowflake Data Engineer – Contract – Outside IR35 Rate: Up to £600 per day Duration: Initial 8–10 weeks Start: Mid-November 2026 Location: Mostly remote - few days onsite in London IR35: Outside IR35 The Opportunity I'm working with a specialist Data & AI consultancy supporting an insurance client on an interesting project involving professional football, sports data and analytics. The client has access to extensive football and player-related datasets and is looking to strengthen the underlying data engineering capabilities to support a range of analytical and commercial use cases. They're looking for an experienced Snowflake Data Engineer who can get hands-on with complex datasets, build robust data infrastructure and establish the engineering foundations needed to support future analytics and AI-driven capabilities. This is primarily a data engineering assignment rather than an AI development role. The immediate requirement is someone with...

Full Stack Software Engineer £500/day - Outside IR35 - 6-Month Contract - Active SC Clearance Required - Remote-First The Opportunity We're seeking an experienced Full Stack Software Engineer to join a major digital transformation programme focused on modernising critical public services through the delivery of secure, user-centred digital solutions. This is an opportunity to join a programme at a pivotal stage of delivery, helping replace complex manual processes with modern digital services. You'll work within a collaborative, multidisciplinary team in a fast-paced Agile environment where innovation, continuous improvement and the adoption of AI-enabled tooling are actively encouraged. If you enjoy building products from the ground up, thrive in evolving delivery environments and are excited by the potential of AI to enhance software delivery, this role could be an excellent fit. Responsibilities Design, build and maintain modern digital services across Front End and Back...

Data Engineer Document & Retrieval Pipelines | SC Cleared Morela is supporting a specialist technology consultancy on a high-profile defence AI programme, and we are looking for a Data Engineer to own the document and retrieval pipelines behind a set of AI-enabled planning tools. This is a contract role on a two-year programme, Outside IR35, based in Central London. Active SC clearance is required. About the Client Our client is a specialist technology consultancy that embeds engineers directly into government and defence delivery teams. They are known for long-term programme work and for giving their engineers genuine ownership of what they build. This is one of their most strategically important programmes. The Role You will join a team building AI-enabled planning tools. The core of the role is document and retrieval pipelines: getting messy, real-world documents in, then making them structured, searchable and measurable. The first increment produced...

Full Stack Engineer | Cross Asset Trading | React, C#, .NET, SQL Server | London | Hybrid 1-2 days onsite | Up to £550 p/day | Outside IR35 We’re working with a cross-asset trading business that’s firmly tech-first, where engineering sits at the heart of how the firm operates. They’re looking for a Full Stack Developer to join on a contract basis and help build the applications their traders and teams rely on every day. On the technical side, this is a front end-led role, with roughly 60% of your time in React, 30% across .NET, C# and API development, and the remaining 10% in SQL Server. Experience with the modern React ecosystem will set you apart, particularly the TanStack suite, which has become the industry standard for data access and routing. Just as important, you’ll bring a background in regulated environments. Finance can be a tricky space to step into cold, so a solid grasp of the vocabulary and an understanding of models and funds work will help you hit the...

Contract AI Agent Developer London (hybrid - 2 days per week in a Central London office) 6 Months £550-600/day (outside IR35) A fast-growing SaaS business are building advanced, autonomous AI agents and multi-agent workflows to automate business workflows. They are looking for a hands-on, AI Agent Developer on a contract basis to build and deploy agentic features. Key Responsibilities Design & Build Agentic Workflows: Architect, build, and optimize multi-agent systems, autonomous workflows, and tool-use loops using modern orchestration frameworks Production LLM Integration: Integrate large language models (OpenAI, Anthropic Claude, open-source models) with robust error handling, guardrails, and deterministic fallback logic Retrieval & Memory Infrastructure: Build and fine-tune advanced RAG (Retrieval-Augmented Generation) pipelines, vector search strategies, and short/long-term agent memory management Performance & Evaluation: Implement rigorous...

Data Scientists x 2 (Python/Databricks/ML) £470 - £505/day, Remote, Outside IR35, 12 month Contract Work anywhere in the UK helping a major international retailer improve its marketing decisions through advanced data science, machine learning and customer analytics. We're hiring Data Scientists across two key workstreams: 1. Machine Learning & Customer Decisioning: Developing production ML models using statistical matching, feature engineering and predictive analytics to improve customer targeting, campaign effectiveness and marketing decisions. 2. Customer & Loyalty Analytics: Analysing large-scale customer, payment and loyalty data, applying statistical modelling, cohort analysis and weighting techniques to better understand customer behaviour and measure commercial performance. You'll need advanced Python and SQL skills, alongside strong hands-on Databricks experience. You'll be comfortable working with large datasets, developing reliable analytical...

Senior Java Developer/Technical Lead (Assurance) - Spring Boot/Angular - SC Cleared - Outside IR35 Location: London - Hybrid Duration: 6 months + Clearance: Active SC clearance required (UK only) Outside IR35 Synergetic is recruiting a senior, hands-on Java developer on behalf of a leading consultancy. You'll join a major central government programme that is replacing a critical system. The Legacy code is more than 30 years old, and the replacement is being built on Java, Spring Boot, Angular and PostgreSQL. You'll act as the client's technical lead on code quality and delivery. You'll get into the delivery partner's codebase, designs and pipelines, judge what is being built and how well, and then explain that clearly to Product Managers, Delivery Managers and programme leadership. We need a strong engineer who can communicate, not a governance specialist. What You'll Do Review code, designs and architecture decisions from the delivery partner, and...

Senior & Principal AI Delivery Consultants - Capital Markets Outside IR35 and Hybrid Working Location: London Start date: ASAP Contract requirement: 2-4 consultants, with the strongest two candidates prioritised for initial presentation. We are supporting a Tier-1 global financial institution looking to bring in experienced AI consultants who have successfully delivered commercial AI solutions into live production environments. The bank has several AI initiatives underway but needs additional engineering capacity to move projects beyond experimentation and into production. Previous permanent hiring efforts have not filled the requirement, so the priority is to identify high-quality consultants who can start quickly and deliver from day one. These are hands-on delivery roles, not research, advisory or proof-of-concept positions. Consultants will be responsible for designing and building AI solutions, integrating them into the bank's existing technology...

Platform Engineer 6 months Up to £525 per day Outside IR35 London 4 Days Onsite We're looking for a Platform Engineer to join a major cloud transformation programme, taking ownership of a business-critical platform built on AWS, EKS, Terraform and GitOps . You'll lead a small team of engineers while remaining hands-on, driving platform reliability, security, automation and operational excellence. Key Responsibilities Lead and mentor a team of Platform Engineers. Own platform operations, production readiness, DR testing and incident management. Manage AWS, Kubernetes (EKS), Terraform and GitOps environments. Drive secure integrations using PKI, mTLS and OAuth2/OIDC. Define CI/CD standards, release controls and deployment pipelines. Produce ADRs and present solutions to architecture and governance boards. Manage platform roadmap, risks, reporting and stakeholder engagement. Requirements Strong AWS, Kubernetes/EKS, Terraform and GitOps...

Data Engineer London (2 Days Onsite) | Outside IR35 | Long-Term Contract We're supporting a client delivering major data, cloud and AI transformation programmes and are looking to engage a senior consultant with a strong blend of technical expertise, stakeholder management and consulting capability. This role requires someone who can operate confidently with both senior business stakeholders and technical teams, helping shape solutions, influence decision-making and drive delivery across complex enterprise environments. We're specifically looking for consultants with 10+ years of commercial experience , ideally gained across multiple clients, industries and transformation programmes. Essential Skills & Experience 10+ years' experience in Data Engineering, Data Architecture or Cloud Data Platforms Strong consulting background with proven client-facing delivery experience Excellent communication and stakeholder management skills Comfortable operating at both strategic...

Data Architect : Contract : Up to £600/day outside IR35 : Hybrid, London : 3 months initial A well-established UK business is seeking a contract Data Architect to join its growing data function. The focus is a new data platform that will become the foundation for the company's reporting, analytics and future AI work. As a Data Architect, you'd set the design direction for the platform and guide the engineering team building it. You'd bring several existing data sources together into one clean model and shape the standards that keep the platform reliable as it grows. The role stays hands-on, with time spent building alongside a small team of engineers. As a contract Data Architect you'll be competent in: Designing and delivering a modern data warehouse or lakehouse into production Writing SQL and Python and building data pipelines yourself Data modelling, data quality and governance best practice Handling sensitive data securely, with a solid grasp of privacy and...

Platform Engineer 6 Months Up to £525 per day Outside IR35 London 4 Days Onsite We 're looking for a Platform Engineer to join a major cloud transformation programme, taking ownership of a business-critical platform built on AWS, EKS, Terraform and GitOps . You 'll lead a small team of engineers while remaining hands-on, driving platform reliability, security, automation and operational excellence. Key Responsibilities Lead and mentor a team of Platform Engineers. Own platform operations, production readiness, DR testing and incident management. Manage AWS, Kubernetes (EKS), Terraform and GitOps environments. Drive secure integrations using PKI, mTLS and OAuth2/OIDC. Define CI/CD standards, release controls and deployment pipelines. Produce ADRs and present solutions to architecture and governance boards. Manage platform roadmap, risks, reporting and stakeholder engagement. Requirements...

About the job Product Owner (Outside IR35) needed for a Commodities trading firm who specialise in Freight, LNG & Logistics trading . The Commodities trading house connects physical LNG & Freight demand across international markets, leveraging market intelligence, trading expertise and sophisticated logistics capabilities to identify and capture commercial opportunities. As a Product Owner you will work with the business (internal traders) to take on day-to-day product management of a set of digital products used by the trading team, and in some cases, the digital products used by their clients.   As a Product owner you will work closely with the traders, as well as their external providers (such as operators and ports etc…) making sure what is built helps do business. Owning the delivery roadmap, shaping requirements, writing stories and running refinement with the engineering team, to make sure delivery doesn’t stand still.  ...

Incident Response Analyst (DFIR)   You’ll join the incident response team at an MSSP in a hands-on DFIR role, taking incidents across a range of client environments from first alert through containment, digital forensics and lessons learned. You’ll also be the person clients turn to during an incident, guiding them through it and presenting what you found once it’s resolved.   The essentials £500 - £600 per day, Outside IR35 London, 2 days a week on site Contract role, client-facing, working alongside Security Operations, Professional Services and Customer Success teams What you’ll actually do Triage and investigate alerts from SIEM, EDR/XDR, identity, email, cloud and network platforms, then set severity and escalate against client service levels Lead or support investigations into phishing, malware, account compromise, data loss and unauthorised access, coordinating containment and recovery...

Senior DevOps / Cloud Engineer (Contract — Outside IR35) Senior DevOps Engineer / Cloud Infrastructure Specialist JECR Agency | London, UK | £500 per day | Outside IR35 (subject to status determination) Job Summary JECR Agency is identifying experienced contractors for an upcoming greenfield infrastructure overhaul with a high-growth London technology business. We are seeking a Senior DevOps Engineer with at least five years of relevant professional engineering experience who can take ownership of cloud infrastructure, improve deployment pipelines and implement secure, scalable solutions. This role requires someone who can work independently, make sound technical decisions and advise an engineering team on infrastructure architecture and DevOps best practices. Key Responsibilities Design, implement and maintain secure, scalable AWS cloud infrastructure Build and optimise CI/CD pipelines to improve deployment speed, consistency and...

Senior Data Engineer London | Flexible, hybrid working pattern | Outside IR35 | 12-month engagement We're looking for a Senior Data Engineer to shape modern data platforms, solve complex engineering challenges, and deliver data solutions that create business value. You'll join an organisation investing heavily in its data capabilities, working alongside architects, analysts, data scientists, and engineering teams to build production-grade data platforms supporting analytics, AI, and operational decision-making. Why Join? Work on large-scale data and cloud transformation initiatives Influence architecture, engineering standards, and platform strategy Deliver solutions with measurable business impact Join a collaborative team of experienced data professionals Responsibilities Design, build, and maintain scalable data products and pipelines Own solutions from requirements gathering through to deployment and monitoring Develop cloud-native data platforms using...