1 to 25 of 63 Contract Software Engineering Jobs in London

Data Engineer/Senior Data Engineer to join a major airline's Data & AI team, providing hands-on technical leadership across a key data engineering delivery programme. This role is ideal for a senior data engineer, lead software engineer or data engineering technical lead with strong … cloud engineering experience, modern software development practices and the ability to mentor engineers. Snowflake experience is highly desirable. You will drive engineering best practice, improve data delivery processes and introduce scalable, reusable solutions using automation, CI/CD and modern DevOps methodologies. Experience or a strong interest ...

Head of Software Engineering - Contract 3 months | £600-£650 per day | Inside IR35 Hybrid: 2 days per week in London | Start ASAP We're partnering with a large, complex and purpose-driven organisation undergoing a major technology and engineering transformation to get an experienced Head of Software Engineering contractor. You'll lead a multidisciplinary function spanning software, integration, data and platform engineering . A key priority will be setting clear engineering standards and embedding consistent practices that improve quality, delivery and operational resilience. This assignment combines leadership with strong technical credibility. ...

Contract: Tech Lead/Software Engineering Manager - Backend (TypeScript/Java, AWS) Location: London - 1x Day Per Week Onsite Rate: £750 per day via Umbrella Programme: Greenfield Middle-Office Transformation Length: 6 months initial + further extensions (long term programme) A leading UK wealth and investment platform … hiring a Tech Lead/Engineering Manager for a backend engineering team working on its core wealth services. The business looks after more than £100bn of assets for over a million investors, and this team plays a central part in a major transformation of those services. This ...

have hands-on experience developing production-grade GenAI/Agentic AI solutions using LLMs, RAG and agentic workflow technologies. The role requires strong Python software engineering skills alongside practical experience designing reliable, secure and maintainable AI-enabled applications. Skills required Strong Python software engineering experience Hands … loop patterns Practical experience designing and implementing RAG architectures Experience with document ingestion, chunking, embeddings and vector/semantic search Experience with prompt engineering and structured LLM outputs Experience with AI/LLM evaluation, testing and quality assurance Understanding of guardrails, grounding, hallucination mitigation and AI assurance Experience building ...

Robotics Software Engineer Outside IR35 Contract Location: London Hybrid/Remote Duration: 3 months Day Rate: Competitive Sector: Robotics & Automation Opportunity Overview An innovative robotics and automation business is looking for a Robotics Software Engineer to join its engineering team on an initial 3-month contract. … work across a modern ROS 2 Jazzy robotics software stack, developing and deploying software that controls industrial robotic systems used in real-world manufacturing environments. This is an opportunity for a strong software engineer with practical robotics exposure to work alongside robotics developers, controls engineers and product ...

Robotics Software Engineer – Outside IR35 Contract Location: London – Hybrid/Remote Duration: 3 months Day Rate: Competitive Sector: Robotics & Automation Opportunity Overview An innovative robotics and automation business is looking for a Robotics Software Engineer to join its engineering team on an initial 3-month contract. … work across a modern ROS 2 Jazzy robotics software stack, developing and deploying software that controls industrial robotic systems used in real-world manufacturing environments. This is an opportunity for a strong software engineer with practical robotics exposure to work alongside robotics developers, controls engineers and product ...

experienced Microsoft Dynamics Developer to join a London-based technology team on a contract basis. We're specifically looking for someone with a traditional software engineering background who has moved into the Microsoft Dynamics ecosystem - rather than someone coming purely from a functional or configuration background. What … looking for: Strong background in software engineering/development Hands-on experience developing and configuring Microsoft Dynamics 365 Strong C#/.NET development experience Experience with Microsoft Azure and associated cloud technologies Experience building APIs and system integrations JavaScript/TypeScript experience Experience developing custom Dynamics functionality, plugins ...

Engineering Manager - Java, AWS Location: Hybrid - London/2 Days Per Week Duration: 6 months + Intention to extend Day rate: Up to £750 - Inside IR35 Start date: ASAP We're seeking an experienced Software Engineering Manager to lead a high-performing backend engineering team delivering … secure, scalable and resilient solutions while supporting and mentoring engineers to reach their full potential. Key Responsibilities Lead and develop a team of software engineers. Drive Agile delivery across multiple workstreams. Collaborate with Product, Architecture and business stakeholders. Own prioritisation, capacity planning and delivery outcomes. Champion engineering best ...

Software Engineer (SI) Duration: 6-month contract Location: New Malden – Occasional travel to Broad Oak Full time on-site, 37hrs per week The opportunity We are looking for a Software Engineer to develop and maintain a range of products that shape and bring together software used across … help evaluate emerging technologies for potential introduction into a competitive product portfolio. What you'll be doing • Implement fixes and functional updates to software products in line with project priorities. • Carry out complex technical analyses and investigations, evaluate technical options, and prepare reports with recommendations to resolve problems ...

week in a Liverpool Street office About the Role Global financial institution seeking a highly skilled Senior Data Engineer to join a growing data engineering function responsible for delivering critical data platforms and analytics capabilities across the business. This is a genuinely hands-on engineering role, requiring strong … scalable solutions. The role offers the opportunity to work on complex data challenges within a modern cloud-based environment, leveraging the latest data engineering technologies and best practices. Key Responsibilities Data Engineering & Development Design, develop and maintain scalable data pipelines using Python, Databricks and PySpark Build and optimise ...

Position Title: C-CURE Engineer (Software Engineer Advisor) Contract Type: Contract (Inside IR35) Location: London, UK (3 days onsite per week) Job Overview: Client & Project: We are seeking a talented professional to join our Consulting team and contribute to the Holding - Pharaoh project. Key Responsibilities: Strategic Advisory & Optimization: Advise … organizations on enhancing software engineering operations to boost productivity and implement cutting-edge engineering practices. System Architecture & Integration: Guide organizations through designing new software solutions, modernizing legacy infrastructure, and integrating technology systems aligned with business goals. Technical Expertise: Serve as a subject matter expert with extensive ...

client BAE Systems, a leading organisation in the defence and security sector, is seeking a Software Engineer to support the Shared Infrastructure (SI) Common Console solution. Based in New Malden with occasional visits to Portsmouth, the role will involve software engineering, systems investigations, development, integration and formal … note you will need to hold a Sole British Nationality before application to be considered for this role. Key Responsibilities: Undertake SI-related systems engineering activities in line with technical processes, quality requirements and relevant standards Investigate complex technical issues, evaluate potential solutions and prepare reports with recommendations Develop ...

existing Copilot and Power Platform architects to ensure AI development is secure, consistent and scalable. Key Responsibilities Design and implement an enterprise AI and software engineering governance framework. Define architecture standards, development policies, approval gates and review processes. Establish practical guardrails for GenAI, agentic AI and Copilot development. … Embed security, risk management, testing and auditability into engineering practices. Collaborate with technical architects and development teams to drive adoption of governance standards. Skills Required Proven experience personally establishing technical or AI engineering governance frameworks. Strong understanding of GenAI, LLMs, AI agents and modern software engineering ...

support modern, cloud-native architectures. The environment spans traditional enterprise networking and security alongside Kubernetes, microservices, service mesh, APIs, cloud platforms and modern software-development practices. The successful individual will need to bridge the gap between traditional network security and modern application/platform architecture, working closely with network … security, platform, infrastructure and software-engineering teams. This is not intended to be a traditional firewall-only position, nor a pure Cloud Security, DevOps or Kubernetes engineering role. The requirement is for someone with a strong network-security foundation who understands how applications are designed, developed, deployed ...

deliver scalable, secure, and user-friendly mobile solutions. This is a hands-on development role requiring strong technical expertise in modern iOS technologies, software engineering best practices, and the full mobile application lifecycle. Key Responsibilities Application Development Design, develop, and maintain native iOS applications using Swift. Build scalable … technical requirements into robust application functionality. Contribute to application architecture and technical design decisions. Integrate mobile applications with RESTful APIs and backend services. Software Engineering Write clean, maintainable, and testable code following industry best practices. Perform code reviews and provide constructive technical feedback. Troubleshoot, debug, and resolve application ...

applications from Play Framework 2.8 to Play 3.0, modernising services, and implementing the System across customer-facing portals. This is primarily a hands-on software engineering role with a strong focus on Scala development rather than cloud infrastructure, although the applications are hosted within AWS. Essential Skills - Strong … complex public sector or enterprise environments Desirable Skills - AWS-hosted application development - Experience within government or highly regulated environments - CI/CD and modern software engineering practices - Front-end development experience Role Responsibilities - Deliver new features and enhancements using Scala and Play Framework. - Support the migration from Play ...

regulated industries. We are currently supporting a major organisation with the appointment of an experienced Google Cloud Platform Architect to join a high-performing engineering and cloud platform team. This is an excellent opportunity for an experienced Cloud Architect/Platform Engineer to work on complex, enterprise-scale cloud … native environments, influencing architectural decisions and helping shape cloud engineering standards across multiple teams. The role requires someone who can combine deep hands-on engineering expertise with strong architectural thinking , while being comfortable working with senior technical stakeholders and influencing technology strategy. Key Responsibilities Architect and deliver complex ...

looking for an experienced Agentic AI Engineer for an initial 12-month contract to drive the adoption and implementation of cutting-edge AI engineering practices across large-scale delivery environments. In this role, you will champion hands-on agentic AI workflows, mentor engineering teams, and establish enterprise standards … assisted software development, spanning the entire Software Development Life Cycle (SDLC). Key Responsibilities Agentic AI Engineering: Build and run agent workflows, handle model selection, prompt/harness engineering, agent-tool integration, and manage reusable skills and instructions. SDLC Integration: Apply AI across the full software ...

Cleared Software Engineer Central London (3 days onsite) | Defence Sector We are seeking an experienced Software Engineer with active SC Clearance to join a high-profile defence programme delivering critical technology solutions that support national security and operational capability. You'll work as part of a skilled engineering team designing, developing and maintaining secure, scalable software systems within complex, mission-critical environments. Key Requirements: Active SC Clearance (essential) Strong software development experience (Java, Python, C# or similar) Experience working in Agile environments Knowledge of cloud technologies (AWS, Azure or GCP) Understanding of secure coding ...

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 … 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-end components. Develop secure, scalable ...

DevSecOps) Rate - £550 - £650 Inside IR35 Duration - 6 months initial Location - London once a week on site Reports to: Head of Security Architecture and Engineering The role: This is a hands-on engineering role focused on building security into software as developed and deployed. You'll work … work where it's most needed, keep security consistent across all three workstreams and make sure nothing falls between them. It suits a software, DevOps or platform engineer who has already built security into their day-to-day work and wants to take it further. You'll get exposure ...

Code (IaC) and TypeScript Experience delivering platform, DevOps or GitOps transformations within large, regulated organisations Strong stakeholder management and communication skills Background in software engineering, platform engineering, DevOps or cloud technologies Experience operating at architecture, strategy or technology leadership level Ability to own and lead a workstream ...

customer services. Ensure that solutions meet security, control, resilience and operational-readiness requirements. Produce clear technical documentation and complete effective knowledge transfer to permanent engineering teams. Promote API engineering standards, reusable patterns and sound software-engineering practices across the wider organisation. Skills/Experience: Significant hands … engineering experience delivering and operating Apigee X in production. Strong knowledge of Apigee X proxies, shared flows, policies, API products, applications, KVMs, target Servers, environments and deployment models. Hands-on experience designing and securing REST APIs using OpenAPI, OAuth 2.0, OIDC, JWT, mTLS and certificate-management patterns. Experience with ...

with ambitious plans to transform its platform through LLM integration, intelligent automation and agentic AI. The business is establishing a dedicated AI engineering function and is looking for a Senior AI Platform Engineer to lead the architecture, design and implementation of a Model Context Protocol (MCP) gateway. This will … personalised customer experiences. This is a senior, hands-on position offering significant technical ownership, architectural influence and direct collaboration with the CTO and wider engineering teams. You'll be responsible for delivering production-grade AI infrastructure, establishing engineering standards and helping shape the company's long-term ...

customer services. Ensure that solutions meet security, control, resilience and operational-readiness requirements. Produce clear technical documentation and complete effective knowledge transfer to permanent engineering teams. Promote API engineering standards, reusable patterns and sound software-engineering practices across the wider organisation. Skills/Experience: Significant hands … engineering experience delivering and operating Apigee X in production. Strong knowledge of Apigee X proxies, shared flows, policies, API products, applications, KVMs, target Servers, environments, and deployment models. Hands-on experience designing and securing REST APIs using OpenAPI, OAuth 2.0, OIDC, JWT, mTLS and certificate-management patterns. Experience with ...