1 to 25 of 55 Contract Software Engineering Jobs in London

Software Engineering Talent Acquisition Partner 6-Month Fixed Term Contract - West London (Hybrid) I am working with a well-known, large UK high-street retailer that is experiencing significant growth and transformation across its technology function. They have an urgent requirement for two experienced Software Engineering … Acquisition Partners to join their team on a 6-month FTC starting in January. This is a high-impact role, partnering closely with senior engineering and technology stakeholders to deliver hiring at scale within a complex, enterprise environment. Key Details Contract: 6-month Fixed Term Contract (starting January) Salary ...

solutions across the business. They are looking for a Senior AI Engineer to lead the delivery of end-to-end AI products, working across software engineering, machine learning, and LLM-based systems. This is a hands-on role focused on shipping real solutions into production that directly impact … customers, teams, and commercial outcomes. The RoleYou will join a cross-functional AI function working at the intersection of software engineering, data, and machine learning. Your focus will be on turning business problems into production-ready AI systems, from early discovery through to deployment, monitoring, and continuous improvement. ...

predominantly remote working model, with limited travel to London. You'll be designing and building robust, scalable data solutions on AWS, using modern engineering practices and contributing to end-to-end delivery in a fast-moving, agile environment. The Role As a Data Engineer, you will be responsible … demos, knowledge-sharing sessions and contribution to internal standards and reusable components. The Person You'll be an experienced Data Engineer with a strong engineering mindset, comfortable working in secure, cloud-based environments and collaborating with a wide range of technical and non-technical stakeholders. You'll bring: Data ...

multiple suppliers/third parties in a 'one-team' approach. Report writing and documentation. Strong analytical, verbal, and written communication skills. Proven experience in software engineering and understanding of software development principles. Experience with cloud technologies and platforms (AWS, Azure, Google Cloud), including hybrid and private data … building skills. Initiative and proactive problem-solving. Willingness and ability to learn new technical skills. Qualifications and Certifications (Desirable): Degree in Computer Science, Network Engineering, or related technical field. Relevant cloud architecture certifications (AWS, Azure, Google Cloud). Telecoms and cloud industry certifications. Experience with security frameworks and compliance ...

multiple suppliers/third parties in a 'one-team' approach. Report writing and documentation. Strong analytical, verbal, and written communication skills. Proven experience in software engineering and understanding of software development principles. Experience with cloud technologies and platforms (AWS, Azure, Google Cloud), including hybrid and private data … building skills. Initiative and proactive problem-solving. Willingness and ability to learn new technical skills. Qualifications and Certifications (Desirable): Degree in Computer Science, Network Engineering, or related technical field. Relevant cloud architecture certifications (AWS, Azure, Google Cloud). Telecoms and cloud industry certifications. Experience with security frameworks and compliance ...

Lead React Native Engineer/Senior React Native Engineer/Engineering Manager - React Native. Overview: Really excited to be sharing this outstanding opportunity, we've partnered with a leading UK FS/FinTech client, trusted by million's of users, who are building a next-generation digital platform used … help shape and deliver this transformation programme where you will play an absolutely critical role. You will be working closely with the Head of Engineering to shape modern Mobile and Web technology that will transform how people invest and manage their finances. There wont be any line management involved ...

London (Hybrid - 3 days/week in office) Duration: 6-12 Months (Initial) Rate: Negotiable Keywords: Snowflake, dbt, Asset Management, Aladdin, ETL, ELT, Data Engineering Role Summary We are seeking a high-caliber Lead Data Engineer to drive a brand-new, strategic data transformation for a Tier-1 Global … bridge the gap between "engine-room" hands-on development and "boardroom" strategic advisory. This is a greenfield-standard project where you will review existing engineering standards, critique the brand-new data plan, and implement a best-in-class Snowflake and dbt ecosystem from the ground up. Technical Requirements: Snowflake ...

Hybrid If Hybrid, how many days are required in office?: 3 days The Role In this role, the candidate will join a cutting-edge engineering team focused on designing and implementing enterprise-grade AI solutions using Azure AI Doc Intelligence, Azure OpenAI, and Azure AI Foundry. The position offers … scalable, and high-performing AI solutions, including document intelligence workflows, generative AI applications, and retrieval-augmented systems. This includes working on model orchestration, prompt engineering, document extraction pipelines, and system integrations with enterprise platforms such as CRM, ERP, and workflow automation tools. The role requires close collaboration with architects ...

building and maintaining large-scale, real-time data pipelines that power analytics, machine learning, and operational systems across the business. You'll collaborate with software engineers, data scientists, and analytics teams to ensure the platform delivers reliable, high-quality, and compliant data at scale. This is a hands … engineering role that blends software craftsmanship with data architecture expertise. Key responsibilities: Model complex data sets using DBT Build and maintain scalable backend systems in Python or Scala, following clean code and testing principles. Develop tools and frameworks for data governance, privacy, and quality monitoring, ensuring full compliance ...

data visualization, and UX for trading workflows. Optimize latency, throughput, and reliability across the stack; instrument observability (metrics, tracing, logging) and performance profiling. Establish engineering best practices: code standards, testing strategies (unit/integration/E2E), CI/CD, secure coding, and release management. Mentor engineers through code reviews … accelerates while maintaining human oversight. Collaborate with stakeholders to translate trading requirements into robust technical designs; write clear specs and implementation plans. Essential: Professional software engineering experience, with deep expertise in: Frontend: React, TypeScript, modern tooling (bundlers, linting, testing frameworks). Backend: Core Java, Spring Boot (or similar ...

Adword Job Title: Software Engineer Location: London (hybrid from their Central St Giles office, 3 days onsite 2 remote) Job type: 06 months contract Job Description As a Software Engineer, you have influence well beyond yourself. You often own all aspects of your immediate area of software engineering work. You are distinguished by your ability to self-direct your technical contributions as well as plan and scope for a project. You act as a point of contact for your cross-functional partners. Faced with a problem, you will scope it, research possible solutions and technologies ...

opportunity for a highly skilled Senior Go Developer to join a leading technology business on a contract basis. This organisation is recognised for its engineering excellence and is seeking a Senior Go Developer to help scale distributed systems and deliver high-performance solutions. In this role, the Senior … Developer will design, develop, and implement data-intensive applications across the full engineering lifecycle. You'll architect and deliver microservices-based systems using Go (Golang), AWS, Kubernetes, Docker, and Kafka, working closely with cross-functional teams to build scalable, reliable, and resilient platforms. You'll also play ...

Role: Gen AI Engineer Location: London, UK Duration: Contract Job Description: Your Profile Essential skills/knowledge/experience: Higher degree (PhD preferred) in Engineering, Statistics, Data Science, Applied Mathematics, Computer Science, Physics, Bioinformatics, or related field. 5+ years in at least 2 AI domains: NLP, NLG, Computer Vision … Azure AI services, App Insights, and Azure OpenAI. Extensive knowledge of LLM Python libraries: langchain, langGraph, promptflow, semantic kernel, Autogen, graphRag, promptflow Good software engineering background, (developing application, API, frontend integration, security best practices, experience with fastAPI, Asyncio is a plus). Strong experience with Gen AI model ...

Junior Software Developer (SC Cleared) London (Hybrid) 6 Month Contract to £300/day (Inside IR35) Junior Software Developer needed with active SC Security Clearance and strong C#, .NET, SQL , skills. 6 Month Contract based in Central London (Hybrid). Start ASAP in Feb/March 2026. Hybrid … site from the Central London office. A chance to work with a leading global IT and Digital transformation business specialising in Government projects: Experienced Software Developer/Software Engineer to join our team and work on the development of data modelling solutions Must have in-depth C#, .NET ...

Software Developer (SC Cleared) London (Hybrid) 6 Month Contract to £700/day (Inside IR35) Software Developer needed with active SC Security Clearance and strong C#, .NET, SQL, Angular, HTML and JavaScript skills. 6 Month Contract based in Central London (Hybrid). Start ASAP in Feb/March … site from the Central London office. A chance to work with a leading global IT and Digital transformation business specialising in Government projects: Experienced Software Developer/Software Engineer needed to join our team working on the development of data modelling solutions. Must have in-depth C#, .NET ...

Senior Full Stack Developer We are looking for a high-caliber Senior Full Stack Developer (L5 equivalent) to join a specialized innovation 'incubator.' Our mission is to accelerate the AI transformation of global business operations ...

Contract Embedded Software Engineer London | Outside IR35 | £550 per day | Hybrid This contract sits within a highly capable engineering SME working on advanced, safety-critical embedded systems. The work is discreet by nature and requires engineers who are comfortable operating in environments where technical depth, pace and trust … matter. You'll be joining a small, experienced team delivering embedded software that interacts directly with real hardware. The focus is on robust, production-quality code , not prototypes that never leave the lab. What you'll be doing Developing embedded software in C/C++ Working close ...

relational, dimensional, and enterprise modelling concepts, including cloud and big data environments Experience with SQL, data analytics platforms, APIs, and database technologies Familiarity with Software Delivery Lifecycle (Agile and Waterfall) and software engineering principles Excellent communication skills, able to engage technical and non-technical senior stakeholders Package ...

project efforts across business areas Participate in on-call rotation to support platform reliability Required Qualifications, Capabilities, and Skills: Formal training or certification on software engineering concepts and advanced applied experience Hands-on experience with AWS and infrastructure as code (Terraform) Understanding of AWS networking concepts Analytical ...

Your responsibilities: Architecting F2F Solutions: Design end-to-end architecture for in-store payments, integrating POS systems with payment terminals, acquirers, and gateways. Hardware & Software Integration: Lead the selection and integration of card acceptance hardware (payment terminals) and software modules. Modernization: Drive the transition from legacy payment infrastructures … governance from design through testing, deployment, and go-live. Experience: 5 20+ years of experience in the payments industry, with a strong background in software engineering, technical consulting, or enterprise architecture. Domain Knowledge: Deep understanding of payment processing, clearing and settlement, authorization, reconciliation, and exception handling. Technical Expertise ...

treasury, and capital products from concept to launch. This role offers significant ownership, allowing you to drive product strategy while contributing hands-on to engineering, in a fast-paced environment focused on category-defining solutions. Role Details Location/Work Arrangement: Hybrid, 2 days onsite with a preference … candidates Type: Contract Duration: 12 Months Key Responsibilities Own end-to-end product decisions across payments, treasury, and capital products Contribute hands-on to engineering delivery, architecture, and PR reviews Translate regulatory, commercial, and customer requirements into product direction Engage directly in customer, partner, and sales conversations to capture ...

Software Developer Location: London Day Rate: 595 per day (Umbrella, inside IR35, based on an 8-hour day) Clearance: Live & transferrable SC required, ideally Home Office SC Start Date: Subject to SC transfer We're looking for a full-stack Java Software Engineer to join a fast-growing … Government and Law Enforcement sectors. You'll work in agile, multi-disciplinary teams solving complex problems with cutting-edge technologies, while contributing to software solutions you can be proud of. What You'll Do Design, develop, and deliver high-quality software solutions in Java, React, PostGres, Kafka, ElasticSearch ...

Software Engineer (Java/Full Stack) | Contract-to-Perm | London Location: Liverpool Street, London (Hybrid - 2-3 days onsite) Rate: £550 per day (Inside IR35) Type: Contract-to-Permanent Start Date: Early to Mid-April 2026 The Opportunity We are looking for a versatile Software Engineer to join … permanent developer looking to "test-drive" a major modernisation project before committing. The Role As a Full Stack Engineer, you will design and improve software that delivers business-critical capabilities for both customers and internal colleagues. You will work closely with stakeholders-including Sales and Trading teams-to solve ...

London, UK (Hybrid 3 days onsite per week) Contract Type: Inside IR35 Experience 10+ years of professional experience as a Quantitative Developer or Senior Software Engineer within financial services. Role Overview We are seeking an experienced Quantitative Developer to build and enhance high-performance trading and analytics platforms. ...

.NET Engineer/Watford (Hybrid)/4 months/£350-£450 pd (Outside IR35) I am currently looking for multiple software engineers to join a client of ours on initial 4 month projects. They are mostly remote, with the occasional office visit to Watford. You will be working across ...