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368 software contractor jobs found

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Contract Spy
Apr 23, 2026
Duration not stated
Software Contractor - Siemans/Staubli at Mpac, Tadcaster, £Contract Rate
Contract Spy Tadcaster LS24 9SG, UK
Purpose of the Role We are looking to build a pipeline of potential software contractors with the following skill sets and experience. If you are open to software/controls contract work and your skillset and experience are a good match below, please feel free to send your CV and we may contact you in the near future.   As a Software Contractor you'll be working on the commissioning of our machines in a software capacity. Your expertise will be crucial in: Siemens TIA V19 including Safety Siemens WinCC Unified HMI Motion/Servo drives PackML Keyence Vision Staubli robot - essential Developing streamlined, efficient code Utilising advanced simulation tools to perfect software before real-world implementation. Ensuring our machines meet the highest safety standards by designing software compliant with the Machine Directive (BS EN 12100).   Outputs/Deliverables To support delivery of high-quality software design based...
Contract Spy
Apr 16, 2026
Duration not stated
Software Contractor - Siemans/Staubli at Mpac, Tadcaster, £Contract Rate
Contract Spy Tadcaster LS24 9SG, UK
Purpose of the Role We are looking to build a pipeline of potential software contractors with the following skill sets and experience. If you are open to software/controls contract work and your skillset and experience are a good match below, please feel free to send your CV and we may contact you in the near future.   As a Software Contractor you'll be working on the commissioning of our machines in a software capacity. Your expertise will be crucial in: Siemens TIA V19 including Safety Siemens WinCC Unified HMI Motion/Servo drives PackML Keyence Vision Staubli robot - essential Developing streamlined, efficient code Utilising advanced simulation tools to perfect software before real-world implementation. Ensuring our machines meet the highest safety standards by designing software compliant with the Machine Directive (BS EN 12100).   Outputs/Deliverables To support delivery of high-quality software design based...
Contract Spy
Apr 09, 2026
Duration not stated
Software Contractor - Siemans/Staubli at Mpac, Tadcaster, £Contract Rate
Contract Spy Tadcaster LS24 9SG, UK
Purpose of the Role We are looking to build a pipeline of potential software contractors with the following skill sets and experience. If you are open to software/controls contract work and your skillset and experience are a good match below, please feel free to send your CV and we may contact you in the near future.   As a Software Contractor you'll be working on the commissioning of our machines in a software capacity. Your expertise will be crucial in: Siemens TIA V19 including Safety Siemens WinCC Unified HMI Motion/Servo drives PackML Keyence Vision Staubli robot - essential Developing streamlined, efficient code Utilising advanced simulation tools to perfect software before real-world implementation. Ensuring our machines meet the highest safety standards by designing software compliant with the Machine Directive (BS EN 12100).   Outputs/Deliverables To support delivery of high-quality software design based...
Contract Spy
Apr 21, 2026
Duration not stated
Software/Controls Contractor at Mpac, Tadcaster LS24, £Contract Rate
Contract Spy Tadcaster LS24, UK
Job Specification Job Name: Software Contractor Summary As a Software Contractor you'll be working on the commissioning of our machines in a software capacity. Your expertise will be crucial in: Siemens TIA V19 including Safety Siemens WinCC Unified HMI Motion/Servo drives PackML Keyence Vision Staubli robot - desirable Developing streamlined, efficient code Utilising advanced simulation tools to perfect software before real-world implementation. Ensuring our machines meet the highest safety standards by designing software compliant with the Machine Directive (BS EN 12100).   Onsite work required - Mpac lambert site (Tadcaster) and possibly customer sites depending on the project allocated to. Must hold a UK driving license and must have the right to work in the UK   Purpose of the assignment To support delivery of high-quality software design based on comprehensive understanding of customer and regulatory...
Contract Spy
Apr 14, 2026
Duration not stated
Software/Controls Contractor at Mpac, Tadcaster LS24, £Contract Rate
Contract Spy Tadcaster LS24, UK
Job Specification Job Name: Software Contractor Summary As a Software Contractor you'll be working on the commissioning of our machines in a software capacity. Your expertise will be crucial in: Siemens TIA V19 including Safety Siemens WinCC Unified HMI Motion/Servo drives PackML Keyence Vision Staubli robot - desirable Developing streamlined, efficient code Utilising advanced simulation tools to perfect software before real-world implementation. Ensuring our machines meet the highest safety standards by designing software compliant with the Machine Directive (BS EN 12100).   Onsite work required - Mpac lambert site (Tadcaster) and possibly customer sites depending on the project allocated to. Must hold a UK driving license and must have the right to work in the UK   Purpose of the assignment To support delivery of high-quality software design based on comprehensive understanding of customer and regulatory...
Contract Spy
Apr 07, 2026
Duration not stated
Software/Controls Contractor at Mpac, Tadcaster LS24, £Contract Rate
Contract Spy Tadcaster LS24, UK
Job Specification Job Name: Software Contractor Summary As a Software Contractor you'll be working on the commissioning of our machines in a software capacity. Your expertise will be crucial in: Siemens TIA V19 including Safety Siemens WinCC Unified HMI Motion/Servo drives PackML Keyence Vision Staubli robot - desirable Developing streamlined, efficient code Utilising advanced simulation tools to perfect software before real-world implementation. Ensuring our machines meet the highest safety standards by designing software compliant with the Machine Directive (BS EN 12100).   Onsite work required - Mpac lambert site (Tadcaster) and possibly customer sites depending on the project allocated to. Must hold a UK driving license and must have the right to work in the UK   Purpose of the assignment To support delivery of high-quality software design based on comprehensive understanding of customer and regulatory...
Contract Spy
Apr 24, 2026
Duration not stated
Remote Software Developer at Turing, United Kingdom, £Contractor Rate
Contract Spy Remote (United Kingdom)
About Us: Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems.   Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in software engineering, logical reasoning, STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to help enterprises transform AI from proof of concept into proprietary intelligence with systems that perform reliably, deliver measurable impact, and drive lasting results on the P&L.   Project Overview: As a Software Engineering evaluator, you will create cutting-edge datasets for training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise...
Contract Spy
Apr 22, 2026
Duration not stated
Senior Embedded Software Engineer at General Dynamics, Hastings, £Contractor Rate (Outside IR35)
Contract Spy Hastings, UK
Senior Embedded Software Engineer (Contractor) Contract   Employment Type: Contract (Ltd) Company Description General Dynamics Mission Systems engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of more than 13,000 top professionals, we partner with the best in industry to expand the bounds of innovation in the defence and scientific arenas. In the UK, we are leading the way in avionics and communication systems. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. General Dynamics in St Leonards-on-Sea currently provide avionic mission computing systems for a wide range of military fast jets, helicopters, and UAV’s. Recent success has resulted in General Dynamics developing the next generation of Advanced High Performance, Safety Critical...
Contract Spy
Apr 17, 2026
Duration not stated
C++ Software Engineer - AI Training at YO IT, Remote, £Contractor Rate
Contract Spy Remote
Work Mode: Remote Engagement Type: Independent Contractor Schedule: Full-Time or Part-Time Contract Language Requirement: Fluent English Role Overview We partner with leading AI teams to improve the quality, usefulness, and reliability of general-purpose conversational AI systems. This project focuses specifically on evaluating and improving how AI systems reason about code, generate programming solutions, and explain technical concepts across various complexity levels. The role involves rigorous technical evaluation of AI-generated responses in coding and software engineering contexts. What You’ll Do Evaluate LLM-generated responses to coding and software engineering queries for accuracy, reasoning, clarity, and completeness Conduct fact-checking using trusted public sources and authoritative references Conduct accuracy testing by executing code and validating outputs using appropriate tools Annotate model responses by identifying...
Contract Spy
Apr 16, 2026
Duration not stated
Senior Software Engineer at Apex Fintech Solutions, Belfast, £Contractor Rate
Contract Spy Belfast, UK
Contractor, Sr Software Engineer Belfast, United Kingdom, BT1 6FB WHO WE ARE   Apex Fintech Solutions (Apex) powers innovation and the future of digital wealth management by building tech-forward solutions that help simplify, automate, and facilitate access to financial markets for all. Our robust suite of fintech software enables us to support clients such as Stash, Betterment, SoFi, Webull, and eToro, amongst many others; collectively, Apex powers access to the stock market for over 22+ million end customers.      At Apex, we are changing how the securities industry operates by reinventing the status quo, which was manual, slow, and accessible only by the ultra-wealthy. We're digitizing and democratizing systems so that everyone has an opportunity to invest.    When you're at Apex, you drive this change. You're part of a global team with a clear vision: to be the trusted technology that powers the digital economy. Our...
Contract Spy
Apr 08, 2026
Duration not stated
Creative Software Expert at YO IT CONSULTING, Remote, £Contractor Rate
Contract Spy Remote (United Kingdom)
Location: Remote (must have access to a physical Mac) Fluent Language Skills Required: English Why This Role Exists Supporting a high-priority data collection initiative aimed at improving how AI systems understand complex software interfaces and real-world, multi-step workflows. Current datasets lack the fidelity and expert grounding needed to reflect authentic professional software usage. This project addresses that gap by collecting high-quality screen annotations and screen recordings performed by experienced domain experts working in real digital environments. What You’ll Do Depending on the task phase, you may be asked to complete one or both of the following: Record screen sessions demonstrating specific tasks, accompanied by clear verbal narration explaining each step Annotate screenshots of professional software by drawing precise bounding boxes around relevant UI elements Follow provided staging...
Contract Spy
Apr 24, 2026
Duration not stated
C++ Software Engineer - Ai Training at YO IT CONSULTING, Remote, £Contract Rate
Contract Spy Remote
Work Mode: Remote Engagement Type: Independent Contractor Schedule: Full-Time or Part-Time Contract Language Requirement: Fluent English Role Overview We partner with leading AI teams to improve the quality, usefulness, and reliability of general-purpose conversational AI systems. This project focuses specifically on evaluating and improving how AI systems reason about code, generate programming solutions, and explain technical concepts across various complexity levels. The role involves rigorous technical evaluation of AI-generated responses in coding and software engineering contexts. What You’ll Do Evaluate LLM-generated responses to coding and software engineering queries for accuracy, reasoning, clarity, and completeness Conduct fact-checking using trusted public sources and authoritative references Conduct accuracy testing by executing code and validating outputs using appropriate tools Annotate model responses by identifying...
Contract Spy
Apr 22, 2026
Duration not stated
QA Software Test Engineer Code Review at YO IT CONSULTING, Remote, £Contract Rate
Contract Spy Remote (United Kingdom)
hiring experienced Software Engineers to support high-impact research collaborations with leading AI labs. Freelancers will contribute to building evaluation datasets that assess AI reasoning, explanation quality, and technical judgment in coding-related interactions. This is a unique opportunity to apply your engineering expertise toward shaping the next generation of intelligent systems. About the Project This evaluation dataset is code question and answer data. This data is designed to assess natural-language reasoning, explanation quality, and technical judgment in coding-related interactions, rather than executable correctness. Tasks are structured as chat-pasteable prompts that reflect realistic developer questions and include all necessary context inline (e.g., code snippets, error messages, logs, or requirements) Key Responsibilities Craft realistic developer prompts across multiple categories (code review, debugging, error diagnosis,...
Contract Spy
Apr 15, 2026
Duration not stated
QA Software Test Engineer Code Review at YO IT CONSULTING, Remote, £Contract Rate
Contract Spy Remote (United Kingdom)
hiring experienced Software Engineers to support high-impact research collaborations with leading AI labs. Freelancers will contribute to building evaluation datasets that assess AI reasoning, explanation quality, and technical judgment in coding-related interactions. This is a unique opportunity to apply your engineering expertise toward shaping the next generation of intelligent systems. About the Project This evaluation dataset is code question and answer data. This data is designed to assess natural-language reasoning, explanation quality, and technical judgment in coding-related interactions, rather than executable correctness. Tasks are structured as chat-pasteable prompts that reflect realistic developer questions and include all necessary context inline (e.g., code snippets, error messages, logs, or requirements) Key Responsibilities Craft realistic developer prompts across multiple categories (code review, debugging, error diagnosis,...
Contract Spy
Apr 10, 2026
Duration not stated
C++ Software Engineer - Ai Training at YO IT CONSULTING, Remote, £Contract Rate
Contract Spy Remote
Work Mode: Remote Engagement Type: Independent Contractor Schedule: Full-Time or Part-Time Contract Language Requirement: Fluent English Role Overview We partner with leading AI teams to improve the quality, usefulness, and reliability of general-purpose conversational AI systems. This project focuses specifically on evaluating and improving how AI systems reason about code, generate programming solutions, and explain technical concepts across various complexity levels. The role involves rigorous technical evaluation of AI-generated responses in coding and software engineering contexts. What You’ll Do Evaluate LLM-generated responses to coding and software engineering queries for accuracy, reasoning, clarity, and completeness Conduct fact-checking using trusted public sources and authoritative references Conduct accuracy testing by executing code and validating outputs using appropriate tools Annotate model responses by identifying...
Contract Spy
Apr 08, 2026
Duration not stated
Software Engineer at Turing, Remote, £Contract Rate
Contract Spy Remote (London Area, United Kingdom)
About Us: Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems.   Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in software engineering, logical reasoning, STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to help enterprises transform AI from proof of concept into proprietary intelligence with systems that perform reliably, deliver measurable impact, and drive lasting results on the P&L.   Project Overview: As a Software Engineering evaluator, you will create cutting-edge datasets for training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise...
Contract Spy
Apr 08, 2026
Duration not stated
QA Software Test Engineer Code Review at YO IT CONSULTING, Remote, £Contract Rate
Contract Spy Remote (United Kingdom)
hiring experienced Software Engineers to support high-impact research collaborations with leading AI labs. Freelancers will contribute to building evaluation datasets that assess AI reasoning, explanation quality, and technical judgment in coding-related interactions. This is a unique opportunity to apply your engineering expertise toward shaping the next generation of intelligent systems. About the Project This evaluation dataset is code question and answer data. This data is designed to assess natural-language reasoning, explanation quality, and technical judgment in coding-related interactions, rather than executable correctness. Tasks are structured as chat-pasteable prompts that reflect realistic developer questions and include all necessary context inline (e.g., code snippets, error messages, logs, or requirements) Key Responsibilities Craft realistic developer prompts across multiple categories (code review, debugging, error diagnosis,...
Contract Spy
Apr 16, 2026
Duration not stated
C# / .Net Software Engineer at Qim info, London Area, £Contractor Rate
Contract Spy London Area, United Kingdom
📣 Qim info – Who are we?   Founded in 2004, Qim info is an Swiss IT engineering and digital services company. We regularly collaborate with international clients and are looking for skilled contractors to support project-based engagements.   📄 Your responsibilities:   The objective of this role is to design, build, and govern an API integration layer connecting multiple internal and external systems within a complex energy trading environment.   💼 Required technical skills:   API & Integration Architecture: Strong expertise in API integration, REST API design and exposure, interface-driven architectures, integration-heavy environments, abstraction layers, system decoupling Backend Development: .NET Core, C#, API services, integration services Architeture & Platforms: Design of scalable and reusable integration layers, interoperability with multiple systems...
Contract Spy
Apr 27, 2026
up to 6 Months
Senior Software Engineer - Java at Beyond Sports, Basingstoke, 3 Months+, £400-£500 per day (Outside IR35)
£400 - £500 per day
Contract Spy Basingstoke, UK
Senior Software Engineer – Java (Contractor) Outside IR35 Rate: £400 - £500 per day Duration: 3 Months Plus Start Date: ASAP   As a  Senior Software Engineer (Java) – Contractor  at Pulselive, you’ll be focused on delivering robust, high-performance backend services and APIs that power digital experiences for millions of sports fans globally. This role is ideal for an experienced, hands-on engineer with strong Java and Spring expertise who thrives in a collaborative and fast-paced delivery environment. You’ll work closely with cross-functional teams to build, integrate, and optimize systems that handle real-time sports data, video, and live commentary. This position is project- and delivery-focused, with no line management or people-leadership responsibilities required.   Key Responsibilities: Design and develop scalable backend systems using Java and Spring...
Contract Spy
Apr 27, 2026
Duration not stated
Cloud Engineer at Deloitte, Belfast, £Competitive Rate
Contract Spy Belfast, UK
Contract - Cloud Engineer - Belfast { ʺdescription ʺ: ʺ Job description Job Title: Cloud Engineer (contract) Location: Belfast Hybrid. Travel to the Belfast office on 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35) Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte. The Role We are looking for experienced Cloud Engineers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This position requires a solid engineering...
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