126 to 150 of 181 Contract Software Engineering Jobs

working with a funded AI startup that’s transforming how tech companies engage with consumers. Following a major client win, they’re ramping up platform development and need a Software Engineer to join their fast-paced team.You’ll work directly with the CTO/Co-Founder to architect and build scalable solutions. This is a hands-on role ideal More ❯

World Class Defence Organisation based in Bristol is currently looking to recruit 2x Low level Embedded Software Engineer subcontractors on an initial 6 month contract. The role will likely be required to be onsite, but it can be worked on a 4-day week basis. Hourly Rate: £65.00 - £68.00ph (Umbrella). Overtime Rate: Hours worked over the standard … Duration: 6 months with very likely extension. Contracts are often ongoing and long-term thereafter. IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview Low level Embedded Software Engineer Job Description: The Real Time Infrastructure and Security Software team is tasked with supplying advanced solutions for our missile sub-systems, often developing state of the art … processing platforms. Interacting with a wider engineering team (including Software, Firmware and Hardware Teams), this role presents the opportunity to develop complex software solutions, as part of a deliverable product, deployed into missile programmes. In a collaborative and close-knit culture, we support each other to search for better. Skillset/experience required: Experience in the development More ❯

company expanding its Responsible AI division. The team are building a next-generation Generative AI platform to accelerate drug discovery and safety evaluation. They're looking for a Backend Software Engineer to help design and develop backend systems supporting large-scale LLM and GenAI workloads. The role will focus on backend architecture, API integration, and automation across data and More ❯

World Class Defence Organisation based in Bristol is currently looking to recruit 2x Low level Embedded Software Engineer subcontractors on an initial 6 month contract. The role will likely be required to be onsite, but it can be worked on a 4-day week basis. Hourly Rate: £65.00 - £68.00ph (Umbrella). Overtime Rate: Hours worked over the standard … Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter. IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview Low level Embedded Software Engineer Job Description: The Real Time Infrastructure and Security Software team is tasked with supplying advanced solutions for our missile sub-systems, often developing state of the art … processing platforms. Interacting with a wider engineering team (including Software, Firmware and Hardware Teams), this role presents the opportunity to develop complex software solutions, as part of a deliverable product, deployed into missile programmes. In a collaborative and close-knit culture, we support each other to search for better. Skillset/experience required: Experience in the development More ❯

World Class Defence Organisation based in Bristol is currently looking to recruit a C++ Software Engineer subcontractor on an initial 6 month contract, with very likely extension. The role will be onsite 4 days per week. A 4 day working week is OK (Monday to Thursday). Rate: £65.00 per hour Overtime Rate: Hours worked over the standard … The company are a world leader in missile and missile systems looking for a highly capable and adaptable to join our Development Facility in Bristol. Join the growing dynamic Software team in Bristol in developing the latest mission-critical defence systems. You will work as part of a small team and be empowered to work individually with little supervision. … Responsibilities: What the department are looking for: The role will involve software development and integration testing with the equipment containing the software under test and suitable skills in this area will be expected. Developing in C++ and Rhapsody, and using EWM as the preferred configuration tool. Developing current software requirements. The role will involve working within a More ❯

Role: Python Software Engineer Location: Bristol Length: 6 Months Rate: £50-55/hour Outside IR35 Join a project developing next-gen communication terminals. You'll design and deliver Python-based RF test and calibration software that drives real hardware performance. Essential Job Duties & Responsibilities Design, implementation, and testing of software features in Python Translate requirements into … a detailed design that is functional and efficient. Employ good practices to ensure appropriate quality, modifiability, extensibility etc. High quality software development, including design, implementation, hardware interaction, testing, and release. Usage of testing automation tools. Interaction with the RF Testing team and other engineering disciplines to jointly optimize and verify the overall system performance. What You'll Bring … Degree in Computer Science, Electrical, Systems, or related engineering field Strong Python skills; experience with frameworks like Django, Tkinter, or Matplotlib Knowledge of version control and CI/CD pipelines Comfortable across the full software lifecycle - from design to testing and maintenance Detail-driven, proactive, and able to work independently or in an agile team Thrive in a More ❯

Senior Software Developer - Ruby 12-Month Contract Inside IR35 Role Details Location: London or Manchester (2 days/week onsite + monthly team rotation) Duration: 12 months Clearance: BPSS to start; active SC required due to timescale of the project Team: 10 direct reports, part of a 60+ programme Experience: 4+ years Essential Skills Technical: Strong Ruby development (primary More ❯

Senior Software Developer - Ruby 12-Month Contract Inside IR35 Role Details Location: London or Manchester (2 days/week onsite + monthly team rotation) Duration: 12 months Clearance: BPSS to start; active SC required due to timescale of the project Team: 10 direct reports, part of a 60+ programme Experience: 4+ years Essential Skills Technical: Strong Ruby development (primary More ❯

Backend Software Engineer - AI/ML 6-month contract | Inside IR35 | Up to £800 per day | 2-3 days per week in London We're supporting a global R&D organisation in the build-out of its AI and ML engineering platforms. The team is responsible for productionising and scaling ML models that power drug discovery and predictive … research. They're seeking a Backend Software Engineer to lead development of APIs and data infrastructure supporting these ML applications. What you'll be doing: Develop backend systems for ML-driven applications using Python (FastAPI) Build data and compute integration pipelines with cross-functional AI teams Design testing and deployment frameworks for model reliability Work collaboratively in agile sprints More ❯

Location: West London (Hybrid - 2 days/week on site) Contract: 6 months initial (extensions highly likely) Start: ASAP Eligibility: UK-based candidates only Rate: Market rates GraphQL-focused Software Engineer who can design, implement, and evolve high-performing APIs that scale. If crafting elegant GraphQL schemas, building robust TypeScript/Node.js services, and deploying to cloud-native environments … you're interested in this opportunity, please email your latest CV with reate and availability. Staffworx Limited are a UK based recruitment consultancy supporting the global digital, E-commerce, software & business consulting sectors More ❯

Location: West London (Hybrid - 2 days/week on site) Contract: 6 months initial (extensions highly likely) Start: ASAP Eligibility: UK-based candidates only Rate: Market rates GraphQL-focused Software Engineer who can design, implement, and evolve high-performing APIs that scale. If crafting elegant GraphQL schemas, building robust TypeScript/Node.js services, and deploying to cloud-native environments … you're interested in this opportunity, please email your latest CV with reate and availability. Staffworx Limited are a UK based recruitment consultancy supporting the global digital, E-commerce, software & business consulting sectors. More ❯

AI Software Developer (Python, JavaScript, ML) - London/Hybrid Day rate: £500 - £800 (inside IR35) Duration: 6 - 12 months Start: ASAP Hybrid: 3 days on site per week My client is looking for a Software Developer with AI, Python and JavaScript experience to join on a contract basis. As a Software Developer - AI, you will focus on … the development and delivery of Gen AI driven software solutions, working within a dynamic team to enhance our digital products. You will be responsible for writing clean, efficient, and maintainable code, primarily in Python and JavaScript, while contributing to the successful deployment of Gen AI technologies that directly impact the company's customer experience (CX) vision. You will collaborate … closely with other software engineers, product teams, and AI specialists to develop LLM AI-powered applications, ensuring their scalability, security, observability and performance. This role is hands-on, with a primary focus on coding, testing, and deploying AI solutions in a fast-paced, agile environment. Responsibilities: Code Development and Testing Write, test, and maintain clean, efficient code in Python More ❯

Please note you must be able to pass Security Clearance for this position. Carbon60 is currently looking for a Software Engineer to join their client based in Portsmouth in their Space sector. This is a contract role lasting 12 months with the possible of extension. As a Software Engineer, you will contribute to software design and implementation … stages of the project development life cycle. Your responsibilities will include: - Assisting with defining or amending requirements in compliance with quality criteria - Determining interface requirements - Implementing design documents and software changes, including new and expanded functionality - Developing software to appropriate coding standards - Ensuring software meets requirements using appropriate test/inspection methods - Utilising agile development tools such More ❯

Do you have a passion for enabling developer 'flow' and building lightning-fast build experiences? We are seeking an experienced and collaborative Senior Software Engineer to drive the next generation of developer tooling as we build a unified, robust, and scalable monorepo ecosystem . Role: Senior Software Engineer Experience: 8+ years Location: Fully remote but should be willing … months + potential to extend) Pay: Inside IR35 only This role is within our Platform Developer Experience (PDX) R&D Studio, a mission dedicated to owning and improving core engineering infrastructure, including our VCS and CI systems. What You'll Bring Deep experience with Bazel and scaling large monorepo-based codebases (millions of lines of code). A strong More ❯

contribute to new, high-performance 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 rendering pipelines and deliver class … of an assigned project Translate complex functional and technical requirements into detailed design and implementation Skills and Qualifications Required Skills A degree in Computer Science, Electronics, Natural 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 … and debugging Desirable Skills Experience of SKIA graphics library Experience working on GPU Drivers Experience designing and implementing GPU shader algorithms (in glsl, hlsl or equivalent) Experience developing system software for Android OS Experience designing and implementing image processing algorithms Experience working with ARM 64-bit architecture Familiarity with CPU/NPU hardware architectures Java and/or Python More ❯

We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. We have an excellent job opportunity for you. Role Title: Software Engineer (Power Apps) Location: Telford- Hybrid Duration: 6 Months Pay Rate: £492 per day Active SC clearance Role Description: We are seeking a highly skilled and motivated Data or Software More ❯

The banks expertise and services span across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking. On behalf of this organisation, AMS are looking for a Software Engineer (AI Prompts) for a 6 month contract based in either the bank's London or Edinburgh office on a remote first working model. Purpose of the role: The … Software Engineer (AI Prompts) will help build and support intelligent automation use cases end-to-end and will be pivotal in engaging with business stakeholders to understanding requirements, crafting effective prompts and ensuring governance, quality and maintainability throughout the life cycle. Responsibilities of the Software Engineer (AI Prompts): Design and optimise prompts for AI language models (eg, GPT More ❯

Software Engineer | .NET/C# | 3 Roles Available | Fully Remote | 6 Month Contract (Extensions Likely) | Up to £600 per day Inside IR35 | SC & NPPV3 Clearances Required MERITUS are working with a large consulting organisation specialising in Public Sector transformation projects. They're recruiting for 3 Software Developers to work with a Central Government client to deliver an important … project. If successful you will be responsible for designing, developing and maintaining secure and scalable software applications using .NET Framework/.NET 6+. You will work closely with stakeholders to gather requirements and deliver high-quality solutions that meet project objectives. The role is fully remote & the client requires candidates to hold active SC & NPPV3 Clearances. Main Responsibilities: Develop … 6+ Build and consume XML/JSON APIs within secure environments Collaborate with stakeholders to support requirements gathering and analysis Write and execute MSTest unit tests to ensure high software quality Required Skills: Strong experience with C#, ASP.NET, .NET Framework and .NET 6+ Proven experience working with XML/JSON APIs Knowledge of MSTest or similar testing frameworks Ability More ❯

Engineering Manager – Defence, CEMA & Communications SystemsSR2 is supporting a major UK Defence programme and seeking an experienced Engineering Manager to lead delivery across CEMA, Communications, RF, and Data Fusion domains.You’ll oversee multi-disciplinary engineering teams and suppliers, providing direction, governance, and assurance across high-value, mission-critical systems. This is a leadership role, driving quality, safety … and compliance while managing estimates, performance, and reporting to senior stakeholders.Key Responsibilities: Lead and manage large, multi-disciplinary engineering teams delivering complex Defence systems. Consolidate engineering estimates and support bids and programme planning. Oversee engineering performance, risk, and reporting to senior leadership. Ensure compliance with safety, security, and assurance requirements. Engage with MOD, DE&S, DSTL and … supplier partners to ensure aligned delivery. Experience Required: Strong track record managing complex Defence engineering programmes (£50M+). Background in Systems, Electronics, Communications or Embedded Software engineering. Oversight of disciplines such as CEMA, RF, AI/ML, System Security, or Data Fusion. Experience managing suppliers and multi-partner delivery environments. Familiar with MOD governance, assurance, and secure-by More ❯

collaborating with other SREs and SRE teams Understand Infrastructure as a Service (IaaS) and its implementation methods. Identify and implement architectural best practices by collaborating with multiple teams and software engineers Diagnose complex system problems using dumps, traces, or other diagnostics aids. Manage and encourage new ideas from staff to foster improvements and innovation Required Skills/Experience Bachelor … SQL Server Experience in designing, building, and maintaining high performance, highly available, production hosting environments, preferably using AWS (VPCs, security groups, RDS, S3, EC2, ECS, EKS) Understanding of security engineering and security best practices Good knowledge of at least one high-level Scripting language, such as bash Advanced knowledge of configuration management tools, such as Puppet, etc. Advanced knowledge More ❯

Software Engineer - AI/ML | Leading Pharma Client | 6-Month Contract | Inside IR35 | Hybrid (3 Days Onsite) My client, a global pharmaceutical leader, is looking for an experienced Software Engineer to contribute to the development of cutting-edge AI/ML solutions aimed at transforming healthcare. This is a 6-month contract , inside IR35 , offering hybrid working More ❯

Software Engineer - AI/ML | Leading Pharma Client | 6-Month Contract | Inside IR35 | Hybrid (3 Days Onsite) My client, a global pharmaceutical leader, is looking for an experienced Software Engineer to contribute to the development of cutting-edge AI/ML solutions aimed at transforming healthcare. This is a 6-month contract , inside IR35 , offering hybrid working More ❯

Software Engineer (SC & NPPV3) 6 Month Contract Fully Remote Rate: £500 - £600 per day (Inside IR35) Skills: C#.Net, XML/JSON API's, SC & NPPV3 Clearance We are looking for an experienced Software Engineer to join a high-profile public sector project. You will play a key role in designing, building, and maintaining software solutions in a … .NET 6+ Work with XML/JSON APIs for integration and data exchange Develop and execute automated tests with MSTest Collaborate with stakeholders to gather and analyse requirements Ensure software is secure, scalable, and maintainable Essential Skills Strong commercial experience in C# In-depth knowledge of .NET Framework and .NET 6+ Proven experience working with XML/JSON APIs More ❯

Embedded Software Engineer - Real-Time Systems Rate: £50-55/hour (Outside IR35) Length: 6 Months Location: Bristol Join a team developing cutting-edge communication and control system s . You'll design and deliver the embedded software that powers advanced terminal technology - from real-time control logic to intuitive user interfaces and APIs. You'll work in … an Agile environment, collaborating with cross-functional teams to turn complex requirements into reliable, high-performance embedded solutions. What You'll Do Design, code, and test embedded software in C++ for real-time systems Translate requirements into robust, maintainable architecture and design documentation Debug and validate software on both simulated and target hardware Implement automated unit and integration … tests Collaborate with other engineers to optimise system performance and reliability Contribute to continuous improvement within an agile workflow What You'll Bring Proven experience in C++ embedded software development Full lifecycle experience - design, development, testing, and maintenance Strong knowledge of Linux and FreeRTOS environments Understanding of hardware interfaces (Serial, Ethernet, SPI, CAN, etc.) Skilled in debugging, performance tuning More ❯

Join our multidisciplinary team to push the limits of Real Time video technology in the medical device space. You'll: Design, implement, and optimise live streaming capabilities into existing software-based video pipelines. Leverage hardware acceleration to build high-performance, low-latency video capture, processing, AI inference, visualization, and streaming software. Develop robust and secure-by-design software … for a regulated environment. Maintain code quality, reliability, and performance , participating in peer reviews and continuous improvement. Must Haves ? Expertise in WebRTC live video streaming development. ? Strong experience with software video pipelines (eg, GStreamer, FFmpeg). ? Excellent C++ (C+ or higher) skills, including multi-threading, inter-process communication, and performance optimisation. ? Proven ability to deliver clean, maintainable, well-documented More ❯