81 software engineer jobs found

C++ Software Engineer - Outside IR35 Contract London, UK Long-Term Engagement on a Rolling Contract Hybrid Working We have partnered with a leading Technology Firm who are looking to add a Software Engineer with skills on C++ to their Market Data team! The succesful candidate will have experience in Financial Markets Technology and realtime market data expertise. It's a Front Office position so you must be comfortable speaking with Portfolio Managers, Traders, C-Suite etc... Responsibilities will include : Architecture and Implementation of Low Latency C++ systems (robust, resilient, accurate, stable and fast) - by doing this you will position the client as a leader in Quant Trading. Work alongside hardware and software teams to build realtime market data processing. Define, implement and enforce SLAs, policies and metrics to monitor the area. Develop Systems, Interfaces and tools to historical market data simulations to increase research productivity....

Java Developer/Software Engineer - Design & Build Fintech Product/Banking - Spring Boot, Claude/Codex also essential. *YOU MUST HAVE BEEN INVOLVED IN DESIGN, ARCHITECTURE AND BUILD OF ANY FINTECH PRODUCT* for eg Current Account OR SAVINGS OR ISA's OR Fixed Term Deposits, Lending, Mortgages etc. £600-£650/DAY OUTSIDE IR35 PAY. Our Fintech Challenger Bank client based in Central London seeks a dynamic, eager to learn and technically astute Java Software Engineer who has extensive experience in Designing & Building a Payment Product.NOT PAYMENT PLATFORM* so the ideal candidate will come from for eg a Challenger Bank or Fintech Payment Product Company. STRONG skills in Java, Spring Boot, AI (Claude or Codex), working in a Fintech Payment domain. YOU WILL NOT BE CONSIDERED IF YOU DO NOT HAVE FINTECH & DESIGN & BUILD PAYMENT PRODUCT EXPERIENCE WITH JAVA, SPRING & STRONG AI! Our client is hiring a hands-on SENIOR Software Engineer/Java Developer to support delivery...

Software Engineer — HealthTech & AI 6 month contract, Outside IR35 Remote - once a quarter onsite in Dublin €380 - €400 per day We’re working with a HealthTech company who are looking for a capable, self-driven mid-to-senior Software Engineer to help build and evolve healthcare technology products They are building software that supports clinical workflows and healthcare communications. Its existing products help healthcare organisations manage and streamline clinical referral and order-communication processes, with a particular focus on diagnostic workflows. The company is also developing AI-driven products for clinical workflows, using technologies such as LLMs, AI APIs and workflow orchestration to automate or improve parts of clinical processes You’ll work across established clinical communications products while also contributing to a growing portfolio of AI-driven solutions for clinical workflows. This is a hands-on, generalist role where you’ll take...

PLC Software Contractor Rate: £50.00 - £57.00p/h (Outside IR35) North Yorkshire Are you an experienced PLC Software Engineer with Siemens TIA Portal expertise and a background in Defence or regulated industrial environments, looking for a hands-on contract supporting a genuinely high-profile automation project? Do you enjoy working from specification through to implementation, validation and comm click apply for full job details

Contract LabVIEW Software Engineer Rate: Up to £55 per hour - Outside IR35 Contract length: 3 months initially Location: Gatwick - Hybrid We're recruiting on behalf of a client for a Contract LabVIEW Software Engineer to review, improve and productionise an existing final test application for a thermal management controller product click apply for full job details

Azure Software Engineer Azure Software Engineer 7-month Contract, full-time (until March 2027) £609 per day, Outside IR35 Epsom, Surrey Hybrid working (3 days on site) TLP have been working with Toyota (GB) PLC for over 25 years and are a trusted partner. This role will be employed by TLP (secondment to Toyota (GB) PLC). We are looking for an experienced Azure Software Engineer to join the New Vehicle Sales team, supporting the delivery, development and maintenance of applications as part of a major AS400 modernisation programme. This is an exciting opportunity for an experienced Software Engineer with strong Azure experience to work across a modern technology stack, developing and integrating systems covering retail and fleet vehicle ordering, vehicle registration, vehicle pricing, order stock allocation, finance and invoicing, as well as other applications required across the modernisation programme. The role will involve working closely with Product...

Software Engineer — HealthTech & AI 6 month contract, Outside IR35 Dublin – 1 day a week onsite €400 - €420 per day We’re working with a HealthTech company who are looking for a capable, self-driven mid-to-senior Software Engineer to help build and evolve healthcare technology products They are building software that supports clinical workflows and healthcare communications. Its existing products help healthcare organisations manage and streamline clinical referral and order-communication processes, with a particular focus on diagnostic workflows. The company is also developing AI-driven products for clinical workflows, using technologies such as LLMs, AI APIs and workflow orchestration to automate or improve parts of clinical processes You’ll work across established clinical communications products while also contributing to a growing portfolio of AI-driven solutions for clinical workflows. This is a hands-on, generalist role where you’ll take ownership of...

PLC Software Contractor Rate: £50.00 - £57.00p/h (Outside IR35) North Yorkshire Are you an experienced PLC Software Engineer with Siemens TIA Portal expertise and a background in Defence or regulated industrial environments, looking for a hands-on contract supporting a genuinely high-profile automation project? Do you enjoy working from specification through to implementation, validation and comm click apply for full job details

PLC Software Contractor | Rate: £50.00 - £57.00p/h (Outside IR35) North Yorkshire Are you an experienced PLC Software Engineer with Siemens TIA Portal expertise and a background in Defence or regulated industrial environments, looking for a hands-on contract supporting a genuinely high-profile automation project? Do you enjoy working from specification through to implementation, validation and commissioning on complex control systems? My client is an established manufacturer of precision sensing and monitoring technology, delivering solutions used across a range of regulated sectors including defence, energy, and industrial environments. They've built a strong reputation for reliability and operational integrity, with products used in demanding and safety-critical settings. Deliver PLC Software for a Live MOD Project This is a hands-on contract supporting the software delivery phase of a specialist automation and alarm monitoring system, with the architectural design already...

PLC Software Contractor Rate: £50.00 - £57.00p/h (Outside IR35) North Yorkshire Are you an experienced PLC Software Engineer with Siemens TIA Portal expertise and a background in Defence or regulated industrial environments, looking for a hands-on contract supporting a genuinely high-profile automation project? Do you enjoy working from specification through to implementation, validation and commissioning on complex control systems? My client is an established manufacturer of precision sensing and monitoring technology, delivering solutions used across a range of regulated sectors including defence, energy, and industrial environments. They've built a strong reputation for reliability and operational integrity, with products used in demanding and safety-critical settings. Deliver PLC Software for a Live MOD Project This is a hands-on contract supporting the software delivery phase of a specialist automation and alarm monitoring system, with the architectural design...

Senior Software Engineer - Rust & Python - any Ruby OR Java a bonus. 100% remote. £600-£650/day OUTSIDE IR35. 12 MONTH CONTRACT We are seeking an experienced Software Engineer to help build and evolve Back End services. You will also play a key role in modernising our engineering ecosystem by helping decommission Legacy Rails components, migrating data models into modern services, and establishing new sources of truth across CLIENTS platform. KEY SKILLS ARE RUST, PYTHON & ANY RUBY, JAVA & API's A BONUS! This is a hands-on engineering role requiring deep expertise with Rust & Python and have experience to build high-performance, scalable Back End systems. YOU MUST BE AN EXPERT IN RUST & PYTHON. Any API's (REST OR GRAPHGL) & Ruby On Rails OR JAVA a big bonus but not essential. Key Deliverables Build and enhance Back End services that reduce operational costs through automation and process optimisation. Develop scalable Rust & Python-based services...

Azure Software Engineer Azure Software Engineer 7-month Contract, full-time (until March 2027) £609 per day, Outside IR35 Epsom, Surrey Hybrid working (3 days on site)   TLP have been working with Toyota (GB) PLC for over 25 years and are a trusted partner. This role will be employed by TLP (secondment to Toyota (GB) PLC). We are looking for an experienced Azure Software Engineer to join the New Vehicle Sales team, supporting the delivery, development and maintenance of applications as part of a major AS400 modernisation programme. This is an exciting opportunity for an experienced Software Engineer with strong Azure experience to work across a modern technology stack, developing and integrating systems covering retail and fleet vehicle ordering, vehicle registration, vehicle pricing, order stock allocation, finance and invoicing, as well as other applications required across the modernisation programme. The role will involve working closely with Product Owners,...

Client: Global Aerospace company Role: Software Engineer Location: Stevenage Daily Rate: £400-£550 OUTSIDE IR35 Duration: 6 months (opportunity to be extended) Working arrangements: On-site 4 days per week About the Role: My client in the Aerospace indsutry is looking for a Software Engineer with experience in C++ to come in and assist with an exciting joint venture space and weather initiative. Key Skills: Excellent practical knowledge of C++ & Java Real-time software design & debugging in a Linux environment Hardware-in-the-loop design and implementation Desirable Skills SpaceWire MilSTD 1553 CAN bus If you would like to be considered for this role please don't hesitate to click apply or call Sam Pierre-Louis on 0161 383 8022 for more information. Inclusion statement Outsource UK is committed to creating a diverse environment and is proud to be an equal opportunity employer. You'll receive consideration for your application...

Software Engineer/Developer - Azure/.NET/API's/GenAI Sutton - 2 days office based, 3 days working remotely £600-625 per day, outside IR35 6 month+ contract A global organisation are seeking an experienced Software Engineer with expertise in .NET and Azure development to develop and integrate systems in modern technology, moving away from Legacy software. In this role you will liaise with stakeholders to understand functional requirements and design, estimate, develop, test & release features. You will work collaboratively with team members on feature delivery (design, code reviews, testing). Required experience for the role includes: Strong, proven experience with Azure, cloud-native approaches, and modern technology stacks. Expertise in .NET technologies, including C#. Full-stack development experience (from UI through to database). Strong application of modern engineering principles and technologies, including: Generative AI, including Specification Driven...

Client: Global Aerospace company Role: Software Engineer Location: Stevenage Daily Rate: £400- £550 OUTSIDE IR35 Duration: 6 months (opportunity to be extended) Working arrangements: On-site 4 days per week About the Role: My client in the Aerospace indsutry is looking for a Software Engineer with experience in C++ to come in and assist with an exciting joint venture space and weather initiative. Key Skills: Excellent practical knowledge of C++ & Java Real-time software design & debugging in a Linux environment Hardware-in-the-loop design and implementation Desirable Skills SpaceWire MilSTD 1553 CAN bus If you would like to be considered for this role please don 't hesitate to click apply or call Sam Pierre-Louis on for more information. Inclusion statement Outsource UK is committed to creating a diverse environment and is proud to be an equal opportunity employer. You 'll receive...

Senior Software Engineer - Outside IR35 - Contract (Energy) About the role We are looking for a Senior Software Engineer (ideally with some Data Engineering experience) to join our client team in the energy trading sector. End date is not certain, but likely to be December 2026 or early Q1 2027. We are looking for experience in the following technologies: Microsoft Azure ecosystem Understanding of networking & security options in Microsoft Azure Infrastructure-as-code (preferably Bicep) Python Experience in the below would also be beneficial: Azure DevOps (pipelines) SQL We generally spend 2 days per week on-site with the client in central London (Monday & Thursday). £500-600 per day outside IR35 Start date: 10/08/2026 End date: December 2026 or early Q1 2027 About Softwire Softwire is a leading UK technology and strategy consultancy. From enterprise to government, we help visionary organisations turn...

Salary: £400 - 450 per day Reference: COR7631/AP148 AI Engineer / Software Developer, C# .NET, Reading, £450 day rate, Outside IR35, COR7631 We're looking for an experienced AI Engineer / Software Developer to join a long-term contract with an initial 3-month term and a strong likelihood of extension up to 18 months. This role is based in Reading, with three days per week onsite, and offers a day rate of up to £450, outside IR35. As an AI Engineer / Software Developer, you'll be responsible for developing software using C# and .NET while leveraging AI-powered tools throughout the software development lifecycle. You'll be someone who naturally incorporates AI into day-to-day development, using it to improve code quality, productivity, and delivery within a modern engineering environment. What's required of the AI Engineer / Software Developer? Strong commercial experience developing applications with C# and .NET Proven experience using AI tools throughout...

Salary: £400 - 450 per day Reference: COR7631/AP148 AI Engineer / Software Developer, C# .NET, Reading, £450 day rate, Outside IR35, COR7631 We're looking for an experienced AI Engineer / Software Developer to join a long-term contract with an initial 3-month term and a strong likelihood of extension up to 18 months. This role is based in Reading, with three days per week onsite, and offers a day rate of up to £450, outside IR35. As an AI Engineer / Software Developer, you'll be responsible for developing software using C# and .NET while leveraging AI-powered tools throughout the software development lifecycle. You'll be someone who naturally incorporates AI into day-to-day development, using it to improve code quality, productivity, and delivery within a modern engineering environment. What's required of the AI Engineer / Software Developer? Strong commercial experience developing applications with C# and .NET Proven experience using AI...

Software Test Engineer / Lead – Outside IR35   My client is the fastest growing technology company who is seeking a Software Test Engineer / Lead for an initial 12-month contract. As a Software Test Engineer / Lead you should have experience with both Manual and Automated Testing, Regression Testing or Performance Testing. As a team player you will be liaising with other multi-functional testers and software designer / developers to understand the business requirements and product functionality, You will be involved in software test spec, manual test cases, automated test scripts and performance testing solutions that will need to be implemented throughout the delivery pipeline. Involvement in production and maintenance of system testing and systems integration of hardware and software components through to resolution of all faults found in the software. You will ideally be degree educated in an engineering or science subject, with a good IT content and ISTQB® certification is...

Full Stack Developer (Node.js) | 3 month contract | up to £550 per day outside IR35 | Remote   We're seeking an experienced Full Stack Developer to join a major digital transformation programme focused on the delivery and launch of a large-scale customer-facing website.   This is an opportunity to work within a collaborative team environment on a business-critical platform, supporting the final stages of delivery, go-live activities, and post-launch enhancements.   The successful candidate will have strong Node.js and Next.js experience, combined with a proven track record delivering customer-facing web solutions using Headless CMS architecture in live production environments.   Key Responsibilities Develop and maintain scalable web applications using Next.js and Node.js. Design, build and enhance backend services, APIs and integrations. Support the delivery and launch of a large-scale customer-facing website. Collaborate with technical and non-technical stakeholders across the...