124 jobs found in London

Senior Software Developer | £500 - £600 We're working with a global energy transformation leader with a 150-year legacy of innovation on this exciting opportunity. We are looking for a heavy-hitting Senior Developer who can bridge the gap between complex finance logic and high-performance Ruby on Rails engineering. This is a high-impact, Outside IR35 role where you will drive the decarbonisation agenda by streamlining digital solutions for Finance, Accounting, and FP&A teams. You will be the technical gatekeeper, shaping pre-development solutions and ensuring enterprise-grade code quality within a fast-moving, green-tech environment. The Role Lead the design and development of pragmatic, sustainable technical solutions using Ruby on Rails to support complex finance data flows. Act as a technical solution shaper, engaging with Accounting and Controlling stakeholders to translate business needs into actionable technical requirements. Architect and review...

Cyber Security Engineer | £500 - £550 We're working with a rapidly expanding global professional services powerhouse on this exciting opportunity. This is a high-impact contract for a hands-on security specialist to drive critical infrastructure projects and lead global roll-outs across a sophisticated enterprise environment. You will be at the forefront of their cyber resilience strategy, taking full ownership of major deployments including Netskope and CyberArk while ensuring the business maintains elite-level compliance standards. If you are a proactive engineer who thrives on technical delivery and infrastructure hardening, this 3-month initial engagement (with high extension potential) is for you. The Role Lead the end-to-end global roll-out of Netskope across an international office network to enhance SASE and cloud security. Take full technical ownership of CyberArk implementation, including configuration, policy definition, and ongoing administration. Drive...

Contract role: Senior Software Engineer: Up to £475 per day Outside IR35: 6 months rolling: Hybrid Monthly (London) An innovative digital consultancy is looking for experienced Senior Software Engineers to design and architect scalable, high-performance systems for a cutting-edge platform being developed for a major client. In this role, you'll tackle complex technical challenges as part of an agile team following Scrum methodologies. As a Senior Software Engineer, you'll set the standard for code quality and best practices, actively contributing to code reviews and collaborative programming sessions with your team. As a Senior Software Engineer, you will be experienced with: C#, .Netcore JavaScript, React.js AWS or Azure Key information: Up to £475 per day Outside IR35 6 months rolling Hybrid Monthly (London) This is an exciting opportunity for a Senior Software Engineer to join a high-performing development team. Contract role: Senior Software...

Data Business Analyst - 6 Month Contract (Outside IR35) Location: London (2 days per week on-site) Rate: £500 (Outside IR35) We are seeking an experienced Data Business Analyst to join a public sector organisation undergoing a large-scale data transformation, including the implementation of AI and automation across multiple divisions. This is a fantastic opportunity to play a key role in shaping data products, improving data quality, and supporting strategic decision-making within a complex data environment. Key Responsibilities: Gather and document requirements for data products and technical data solutions Lead data mapping activities across data layers (source to bronze, silver, gold) Collaborate with SMEs to define and validate data mappings and transformations Develop and maintain data dictionaries, metadata, and data catalogues Support data lineage tracking and define data quality rules Contribute to conceptual, logical, and physical data...

One of the UK’s leading Insurance companies are currently seeking an experienced Interim Business Analyst to join a high-impact Claims Transformation Programme, supporting the delivery of a major claims’ integration initiative. This is an initial six-month contract offering the opportunity to play a key role in reshaping claims processes within a fast-paced, Agile environment. The Business Analyst will take ownership of analysis activities across the programme, working closely with internal stakeholders and third-party suppliers to define and deliver automation-led solutions. The role focuses on understanding current claims processes, identifying opportunities for efficiency and automation, and designing future-state solutions that enhance control, compliance, and customer outcomes. You will be instrumental in integrating claims automation tools with core systems, including policy administration, payments, and customer platforms. Location: Fully Remote / 100% work from home...

As Household Business is currently undergoing a significant transformation and is seeking a Senior Enterprise WordPress Engineer to join on a contract basis. This is a high-impact role working closely with a cross-functional team, where you will be expected to proactively drive delivery and make a genuine, measurable impact through high-quality execution. Duration - 3-6 month inital Rate - £500PD (outside IR35) Location - Remote What You’ll Do Develop, enhance, and maintain enterprise-scale WordPress platforms, delivering new features and functionality to a high standard Build and maintain shared WordPress plugins, microservices, and JavaScript applications that support multiple brands Create custom Gutenberg blocks, APIs, and integrations aligned with modern WordPress best practices Monitor, troubleshoot, and improve performance across Core Web Vitals, response times, and database queries Work closely with cross-functional teams (engineering,...

I'm working with one of Europe's largest touring community businesses who are seeking a Technical Project Manager to lead a diverse portfolio of Marketing & Digital projects , bridging the gap between business goals and technical delivery. The successful candidate will serve as a conduit between the business' stakeholders and delivery teams, owning the full project lifecycle of Marketing & Digital projects . This role requires an established, well-versed project management skillset as well as an experience employing strategic leadership and benefit realisation. Key Responsibilities: End-to-End Delivery: Define, plan, and execute multiple projects simultaneously, managing everything from initial conception to service transition. Financial & Budgetary: Take full accountability for project budgets, monitoring expenditure and ensuring lean, effective delivery. Stakeholder Management: Build strong relationships with senior executives and manage...

Contract Senior Data Engineer - £500 - £600 per day - Outside IR35 - Python/Snowflake/AWS Role: Contract Senior Data Engineer Rate: £500 - £600 per day Determination: Outside IR35 Interview Process: 2x Call Technology: SQL/Python/DBT/AWS/Snowflake/Airflow In office requirement: 1 day per week Duration: 6 months Burns Sheehan have been supporting the build of a new team and we are adding to this with another Contract Senior Data Engineer. As a Contract Senior Data Engineer, you will support on core Data Engineering capabilities as well as modernising the Data stack and supporting a migration. Working alongside their Director of Data & Principal Data Engineer, you will be a key component. If this Contract Data Engineer sounds like you, please apply now for immediate consideration. Contract Senior Data Engineer - £500 - £600 per day - Outside IR35 - Python/Snowflake/AWS

PMO Analyst (Data & Tech) | 6 months | £500p/d Outside IR35 Are you an experienced PMO Analyst looking for a role where you sit right in the middle of product, engineering and data - helping complex delivery run smoothly? If so, this could be a great fit! This well-known, hugely successful brand is a unique group of companies that is changing businesses for good, giving customers choice and better service and having fun along the way! You’ll play a key part in how engineering work is planned and delivered, connecting the dots between squads, programmes, and wider business goals. Expect lots of visibility across data-led decision making, engineering delivery cycles, and cross-functional planning. What you’ll be doing: Working closely with product, engineering, and data teams to keep delivery on track Bringing structure and visibility to complex engineering roadmaps and initiatives Tracking dependencies, risks, and delivery flow across multiple squads...

We're working exclusively with an agency specialising in search and performance-led digital strategy for global customers. We are looking to bring in a Creative Technologist/AI Enablement Manager on a 12 month contract to be the face of embedding AI, and then helping evolve this as programmes of work go through maturity. This role requires someone with a developer mindset to be able to audit quality. Key remit: Take agent briefs from champions and build working, tested automation workflows Own the agent build pipeline: sequencing, building, testing, go-live, and iteration Build and maintain the internal training platform Facilitate team hackathons across departments alongside internal AI champions Maintain the agent library, cost tracker and technical documentation Skills we require: Hands-on with n8n (or other Agent Orchestration layer), can build complex automation workflows independently Comfortable with Claude API and prompt engineering to commission...

A not-for-profit organisation are looking for an Interim HR Systems Specialist to join with immediate start. The role is to lead a HRIS implementation and upgrade of an existing HRIS, alongside configuration, and process alignment. The organisation is based in London with a hybrid working pattern and open to a 3-5 day working week. Client Details Not For Profit Organisation London Based - hybrid working Description An Interim HR Systems Specialist to: Lead a variety of upgrades to an existing HRIS that is an old version Leading the end-to-end upgrades and new implementation to ensuring alignment to the organisational goals Collaborate with stakeholders to gather and analyse business requirement for the HRIS Configure and customise the HR system Develop a project plan and execute key timelines Provide training and support to staff on system functionality and usage. Ensure data migration is accurate and completed efficiently. Identify and resolve any system-related...

Data Migration Engineer - Active SC, HealthShare Up to £500 (Outside IR35) Primarily remote/London 6 months We're seeking a hands‑on Data Migration Engineer to support delivery of a new healthcare platform. The role focuses on designing and delivering secure, high‑volume clinical data migrations into InterSystems HealthShare and IRIS. Key Requirements: Proven experience as a Data Migration Engineer, with Active SC (Security Clearance) Strong background in designing, developing, and delivering ETL pipelines for clinically coded healthcare data. Hands on experience working with InterSystems HealthShare and HealthConnect, including EMPI, HPD, the Integration Engine, and IRIS. Solid experience producing and maintaining data mappings and transformation logic aligned with target data models and business rules. Practical experience handling clinical terminology mappings, including SNOMED and local code sets. Experience building and managing staging‑layer pipelines...

Senior Software Developer | £500 - £600 We're working with a global energy transformation leader with a 150-year legacy of innovation on this exciting opportunity. We are looking for a heavy-hitting Senior Developer who can bridge the gap between complex finance logic and high-performance Ruby on Rails engineering. This is a high-impact, Outside IR35 role where you will drive the decarbonisation agenda by streamlining digital solutions for Finance, Accounting, and FP&A teams. You will be the technical gatekeeper, shaping pre-development solutions and ensuring enterprise-grade code quality within a fast-moving, green-tech environment. The Role Lead the design and development of pragmatic, sustainable technical solutions using Ruby on Rails to support complex finance data flows. Act as a technical solution shaper, engaging with Accounting and Controlling stakeholders to translate business needs into actionable technical requirements. Architect and review...

Cyber Security Engineer | £500 - £550 We're working with a rapidly expanding global professional services powerhouse on this exciting opportunity. This is a high-impact contract for a hands-on security specialist to drive critical infrastructure projects and lead global roll-outs across a sophisticated enterprise environment. You will be at the forefront of their cyber resilience strategy, taking full ownership of major deployments including Netskope and CyberArk while ensuring the business maintains elite-level compliance standards. If you are a proactive engineer who thrives on technical delivery and infrastructure hardening, this 3-month initial engagement (with high extension potential) is for you. The Role Lead the end-to-end global roll-out of Netskope across an international office network to enhance SASE and cloud security. Take full technical ownership of CyberArk implementation, including configuration, policy definition, and ongoing administration. Drive...

DevOps Engineer | £400 - £500 We're working with a leading specialist IT consultancy delivering mission-critical infrastructure for high-security environments on this exciting opportunity. Are you an SC Cleared Platform Engineer who views infrastructure through the lens of a Software Engineer? We are looking for an Azure expert to join a high-impact project, focusing on advanced Infrastructure as Code (IaC), automated testing, and secure-by-design architecture. You will be at the forefront of building resilient, high-availability cloud environments using a modern stack including Terraform, Bicep, and GitHub Actions. The Role Design and implement high-availability Azure architectures featuring regional failover and load balancing strategies directly within IaC templates. Build and maintain scalable, reusable Terraform and Bicep modules, driving consistency and modularity across the infrastructure estate. Champion Test-Driven Development (TDD) principles by...

Business Systems Analyst - d365 CE, Copilot Xpertise have an urgent requirement for a Business Systems Analyst - d365 CE, Copilot. Candidates will have the following skills and experience: Proven experience as a Business Analyst and Systems Analyst Proven experience of Microsoft Dynamics CE (Customer Engagement) A good knowledge of Copilot A good knowledge of PROS Smart CPQ (beneficial) Proven experience of Solution Design Proven experience of Testing and Quality Assurance including UAT Proven experience working with 3rd party suppliers and system integrators Proven experience of data migration and CRM integrations A good knowledge of end-to-end Sales lifecycle Role is outside IR35 - immediate start Please send CVs for more information please send CVs (Business Systems Analyst - d365 CE, Copilot)

Skills Python, TypeScript LLM frameworks (LangChain, LlamaIndex, OpenAI tools, Semantic Kernel) Vector databases (Pinecone, Weaviate, Chroma) Cloud (AWS/Azure/GCP) Docker, Kubernetes CI/CD, observability, testing for AI systems Experience Strong experience building LLM applications, RAG systems, or AI agents Understanding of prompt engineering, tool-calling, and orchestration frameworks Ability to work autonomously in a scale up environment A product-focused mindset - you enjoy owning features end to end Curiosity, creativity, and a genuine passion for AI Understanding of start/scale up environments Details 12 month contract Fully remote (London office optional) £500-600p/d (outside IR35)

Data Migration Engineer - Active SC, HealthShare Up to £500 (Outside IR35) Primarily remote/London 6 months We're seeking a hands-on Data Migration Engineer to support delivery of a new healthcare platform. The role focuses on designing and delivering secure, high-volume clinical data migrations into InterSystems HealthShare and IRIS. Key Requirements: Proven experience as a Data Migration Engineer, with Active SC (Security Clearance) Strong background in designing, developing, and delivering ETL pipelines for clinically coded healthcare data. Hands on experience working with InterSystems HealthShare and HealthConnect, including EMPI, HPD, the Integration Engine, and IRIS. Solid experience producing and maintaining data mappings and transformation logic aligned with target data models and business rules. Practical experience handling clinical terminology mappings, including SNOMED and local code sets. Experience building and managing staging-layer pipelines...

🚀 Contract Full-Stack JavaScript Developer (AI Platform) 📍 Location: 3 days per week in London Office 📆 Duration: 4 weeks with a longer term extension afterwards. 💼 IR35 Status: Outside IR35 💰 Rate: £500p/d – £600p/d Opus is partnering with a cutting-edge FinTech start-up to secure a Contract Full-Stack JavaScript Developer . You’ll be joining a small, high-calibre team building a platform to improve workflows within the the FinTech space. They have a genuinely interesting problem at the intersection of frontend engineering, backend systems, and applied LLM tooling . This is a true 0–1 build , ideal if you enjoy ownership, clean abstractions, and shipping product quickly. 🧠 What You’ll Be Working On Building and extending agent-driven workflows. Developing context management and LLM entry points. Only application-layer LLM integrations, not model training) Expanding slide generation functions and data structures. Full-stack feature...

Skills Python, TypeScript LLM frameworks (LangChain, LlamaIndex, OpenAI tools, Semantic Kernel) Vector databases (Pinecone, Weaviate, Chroma) Cloud (AWS / Azure / GCP) Docker, Kubernetes CI/CD, observability, testing for AI systems Experience Strong experience building LLM applications, RAG systems, or AI agents Understanding of prompt engineering, tool-calling, and orchestration frameworks Ability to work autonomously in a scale‑up environment A product-focused mindset — you enjoy owning features end‑to‑end Curiosity, creativity, and a genuine passion for AI Understanding of start/ scale up environments Details 12 month contract  Fully remote (London office optional)  £500-600p/d (outside IR35)