21 of 21 Contract Software Engineer Jobs in London

Senior C++ Developer/Software Engineer - London Based in the City of London (2 days in the office)/6 months rolling/£750 per day (Inside IR35) A global leading fintech solutions company and member of the Fortune 500, seek an experienced Senior C++ Developer/Software Engineer, to be responsible for preparing programming assignments, including the design, planning and supervision of the implementation of large-scale system projects. This will include: Reviews, analysing, and modifying programming systems including encoding, testing, debugging and installing for a large-scale Mainframe computer system. Essential Duties and Responsibilities ...

exciting opportunity has arisen for a Senior Software Engineer to join a well-established biotech company using large-scale genetic data and AI to predict disease risk and advance precision healthcare. As a Senior Software Engineer , you will be contributing to the development and scaling … secure, reliable software in a collaborative, agile environment. This is a contract-based role (12 weeks) offering hybrid/remote working options, a salary range of £500 - £700 per day (Inside IR35) and benefits. You will be responsible for: Building and scaling new software products within an agile ...

exciting opportunity has arisen for a Senior Software Engineer to join a well-established biotech company using large-scale genetic data and AI to predict disease risk and advance precision healthcare. As a Senior Software Engineer , you will be contributing to the development and scaling … secure, reliable software in a collaborative, agile environment. This is a contract-based role (12 weeks) offering hybrid/remote working options, a salary range of £500 - £700 per day (Inside IR35) and benefits. You will be responsible for: Building and scaling new software products within an agile ...

Software Engineer, GraphRAG, TypeScript, AWS, Remote, CO7428A A pre-seed start-up building a workflow and intelligence platform powered by agentic AI, multimodal analysis and domain-specific insight, requires an AI Software Engineer/Knowledge Graph Specialist. The AI Software Engineer will be contracted … month as they complete the build of their MVP, but with every expectation of extending. Working fully remotely and outside of IR35, the AI Software Engineer will: Own the architecture for the module being built Work directly with the CTO and product specialists to translate requirements into scalable ...

month contract for a C++ Linux Software Engineer. Inside IR35, 2 days from home after an initial period getting to grips with the project. Contract Software Engineer essential skills - Strong C++ on Linux Significant embedded software engineer experience Desirable skills Build environment OpenEmbedded, Bitbake, Makefiles … Networking - UDP, TCP/IP, Analysis tools (e.g Wireshark) Linux Kernel and CLI tools BASH scripting Python Real-time multi-threaded software concepts U-Boot Wt web GUI library familiarity ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Position : Contract C++ Linux Software Engineer Location : Wimbledon, London ...

Software Engineer, GraphRAG, TypeScript, AWS, Remote, CO7428A A pre-seed start-up building a workflow and intelligence platform powered by agentic AI, multimodal analysis and domain-specific insight, requires an AI Software Engineer/Knowledge Graph Specialist. The AI Software Engineer will be contracted ...

Software Engineer (Java/Fintech) | London | 6-Month Contract Role: Backend Software Engineer Team: RegTech (Fintech Business Unit) The Stack Primary: Java (Expert level) & Microservices. Data: Cassandra, Hadoop, MySQL. Cloud: AWS (Kinesis, Step Functions, EC2). Focus: Distributed systems, batch processing, and data integrity. The Mission … lifecycle of services that handle identity verification, risk assessment, and onboarding for a global partner base. Requirements Experience: 3+ years in server-side software development. Architecture: Building highly scalable distributed systems and data pipelines. Expertise: Unit/Integration testing, architecture reviews, and defining SLOs. Mindset: 'Can-do' attitude; able ...

Software Engineer (Java/Fintech) London 6-Month Contract Role: Backend Software Engineer Team: RegTech (Fintech Business Unit) The Stack Primary: Java (Expert level) & Microservices. Data: Cassandra, Hadoop, MySQL. Cloud: AWS (Kinesis, Step Functions, EC2) click apply for full job details ...

Python Software Engineer – Visual Quality/Media – London Hybrid – Outside IR35 A London-based technology company is seeking a capable Python Developer to support development and maintenance of an in-house quality test framework used to validate next-generation video codec technology. Initial 3-month contract. Key Requirements … This role suits a pragmatic Python developer comfortable working in a technical, fast-moving media technology environment. Excellent opportunity to contribute to high-performance software used by major industry customers. The Software Engineer must have full UK working rights and be able to attend the office ...

Senior Software Engineer (Backend) - Identity & Authentication AWS * TypeScript * Node.js (NestJS) * REST APIs * Auth0 * Transmit Security * GitHub * CloudFormation Contract - 12 months, upto £650/day inside IR35 ***Hybrid - 3 days office (either London or Manchester office) Leading financial services client is seeking a Senior Software Engineer …/CD pipelines for microservice deployments. Embed DevSecOps best practices across IAM, networking and compliance. Collaborate with Agile teams to deliver high-quality, secure software at scale. Key Skills: Strong Node.js/NestJS and REST API development experience. Skilled in AWS Build and evolve backend services that support login ...

Backend Software Engineer £450 - £550 per day 2 days onsite We're working with a global healthcare and AI research organisation that's pioneering the use of advanced Machine Learning to accelerate the discovery and delivery of life-changing treatments. Their vision is to enable faster, personalised therapies … that improve patient outcomes worldwide - and they're seeking a Backend Software Engineer to help bring that mission to life. The Role You'll be joining a multidisciplinary AI/ML team responsible for developing the infrastructure and software that powers cutting-edge research and intelligent applications. ...

Senior C++ Software Engineer New C++ contract role working on a greenfield project for a client within the financial domain. Healthy rate for this one and 2 days a week in the office. What you will be doing: As a Senior C++ Software Engineer, you will … features and feature enhancements Leading code reviews and enforcing best practice within a small, agile, focused team What you will need: Extensive commercial software development experience using C++ Unix/Linux experience Relevant degree in a numeric discipline, or equivalent work experience Excellent written and spoken English By applying ...

month contract for a C++ Linux Software Engineer. Inside IR35, 2 days from home after an initial period getting to grips with the project. Contract Software Engineer essential skills - Strong C++ on Linux Significant embedded software engineer experience Desirable skills Build environment OpenEmbedded, Bitbake, Makefiles ...

Software Engineer - Vue.js/Typescript Contract: Outside IR35 Length: 3 months initially Rate: £425-£450 per day Location: Fully Remote The Role We are currently working with a leading consultancy who focus on creating sustainable digital capabilities for their clients. They are now on the lookout ...

Contract Software Engineer (x2) - Java | £325 per day | Inside IR35 Start Date: ASAP End Date: 30th June 2026 Location: London (Remote, one day per week on-site) Arrangement: Hybrid/Mostly Remote We're looking for two mid-level Software Engineers to join a collaborative and forward … thinking team on a six-month contract. You'll be working on modern software solutions within a supportive Agile environment that values clean code, test-driven principles, and continuous improvement. What You'll Be Doing Designing, developing, testing, and maintaining Java-based applications. Building and deploying solutions in Amazon ...

Overview: Software Engineer with strong Python skills and a passion for methodical, analytical problem-solving You will work on Visual Quality test frameworks, which are central to codec development, validating and improving the effectiveness of cutting-edge video compression technology. As part of a driven Agile team … Jira. Familiarity with CI/CD processes, including source control, build creation, unit/integration/system testing. Understanding of end-to-end software development lifecycle. Exposure to test frameworks such as Pytest or Google Test Framework. Excellent communication skills, able to provide progress updates and documentation. Bonus: Familiarity ...

Contract Software Engineer (x2) - Java £325 per day Inside IR35 Start Date: ASAP End Date: 30th June 2026 Location: London (Remote, one day per week on-site) Arrangement: Hybrid/Mostly Remote We're looking for two mid-level Software Engineers to join a collaborative and forward … thinking team on a six-month contract. You'll be working on modern software solutions within a supportive Agile envir click apply for full job details ...

Role:Software Engineer - Database and Display Key Skills - SCADA/EMS/DMS Developer, Database Design, Data Modeling, Historian Integration, Oracle, SQL Server, PostgreSQL, SLD, Display Hands-on expertise preferably on XX PowerOn Reliance (XA21), AEMS Platform, GE eTerra, PowerOn Advantage Software, as well as SCADA/ ...

Role:Software Engineer - Database and Display Key Skills- SCADA/EMS/DMS Developer, Database Design, Data Modeling, Historian Integration, Oracle, SQL Server, PostgreSQL, SLD, Display Hands-on expertise preferably on XX PowerOn Reliance (XA21), AEMS Platform, GE eTerra, PowerOn Advantage Software, as well as SCADA/ ...

looking for a Contract Java Software Engineer to join my client in their FinTech Business Unit. 6 month | Inside IR35 | Hybrid (1x week London) | £550 per day What you'll do: Develop scalable, high-performance systems and microservices Solve complex technical challenges and advocate best practices Support compliance ...

graphics solutions, integrate our solutions with new hardware platforms, optimise the Android OS graphics stack, benchmark our systems against competitors, work with 3rd party software developers and generally ensure that we have the best possible graphics experience on the market. Role and Responsibilities Develop innovations to optimise real-time … Science, Mathematics, Engineering or any related discipline (an equivalent period of industrial experience may be substituted) A proven track record in real time embedded software development - preferably for mobile devices with a good understanding of the latest development environments Expertise in computer graphics with experience in the design ...