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22 software engineer jobs found

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United Kingdom software engineer £500 - £600
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Contract Spy
Jul 02, 2026
Duration not stated
Software Engineer - AI Trainer - Remote - 8/20 hrs week - Freelance at 10x Team, London, £60 - £110 an hour
£400 - £800 per day
Contract Spy Remote (London, UK)
Updated: 21 June 2026 Freelance 8–20 hrs/week Remote (EU/UK)   Are you an experienced software engineer who instinctively spots gaps in technical reasoning and understands the complex realities of software development? Do you have 8 to 20 hours per week available alongside your main job or freelance projects? Join us in shaping how AI understands and applies software engineering expertise at scale.   About the Role 10x.team connects expert freelancers with leading AI labs building next-generation models. We are looking for knowledgeable software engineers based in the EU or UK to enhance the accuracy, depth, and real-world relevance of AI-powered engineering systems.   What You Will Do Review and refine AI-generated outputs related to software engineering, technical documentation, code quality, and practical aspects of software development Evaluate AI responses for technical accuracy, practicality, and alignment...
Contract Spy
Jun 22, 2026
Duration not stated
Senior Software Engineer (Contract) at Softwire, London Area, £500-£650 per day
£500 - £650 per day
Contract Spy London Area, United Kingdom
Senior Software Engineer - Outside IR35 - Contract (Insurance) About the role Essential: Self-starter, someone who can pick up context quickly, drive outcomes efficiently, and to a high quality Competent in doing high-level designs, solution management, and scoping Understanding of data modelling best practices Ability to translate technical solutions to non-technical stakeholders and bring them on the journey Experience working in an agile delivery environment Experience working with React, TypeScript, Azure, Microsoft SQL, and Databricks (if they don’t have all of these, that’s workable, but be good to understand any they don’t have experience with) Frontend: React + TypeScript + Vite Material UI with Emotion for styling TanStack React Query 5 for server state React Router 7 React Hook Form+Yup for forms/validation MSAL for Entra ID auth Jest+Testing Library for unit tests; Playwrightfor E2E and visual tests Hosted as an Azure Static...
Contract Spy
Jun 17, 2026
Duration not stated
Senior Software Engineer at Softwire, London, £500-£650 per day (Outside IR35)
£500 - £650 per day
Contract Spy London, UK
About the job   Senior Software Engineer - Outside IR35 - Contract (Insurance)   About the role   Essential:   Self-starter, someone who can pick up context quickly, drive outcomes efficiently, and to a high quality Competent in doing high-level designs, solution management, and scoping Understanding of data modelling best practices Ability to translate technical solutions to non-technical stakeholders and bring them on the journey Experience working in an agile delivery environment Experience working with React, TypeScript, Azure, Microsoft SQL, and Databricks (if they don’t have all of these, that’s workable, but be good to understand any they don’t have experience with)   Frontend:   React + TypeScript + Vite Material UI with Emotion for styling TanStack React Query 5 for server state React Router 7 React Hook Form+Yup for...
Contract Spy
Jul 03, 2026
Duration not stated
Golang - Software Engineer at Test Yantra Software Solutions Private Limited, Sheffield, £400 - £500 a day
£400 - £500 per day
Contract Spy Sheffield, UK
Key Accountabilities Responsibilities will include: · Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client using Python , Golang, Docker and Cloud-Native services . · Implement and manage database schema changes using Liquibase , ensuring alignment with compliance and audit standards. · Collaborate closely with Architecture and DevOps teams to enhance, maintain and mature Product capabilities/features. · Perform root cause analysis and implement solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below experience and qualifications: · Bachelor’s or Master’s degree in Computer Science or equivalent industry experience. · Comes from Software Engineering background with infrastructure experience. · 5+ years of development experience with a strong focus on large-scale, distributed systems....
Contract Spy
Jun 26, 2026
Duration not stated
Golang - Software Engineer at Test Yantra Software Solutions Private Limited, Sheffield, £400 - £500 a day
£400 - £500 per day
Contract Spy Sheffield, UK
Key Accountabilities Responsibilities will include: · Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client using Python , Golang, Docker and Cloud-Native services . · Implement and manage database schema changes using Liquibase , ensuring alignment with compliance and audit standards. · Collaborate closely with Architecture and DevOps teams to enhance, maintain and mature Product capabilities/features. · Perform root cause analysis and implement solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below experience and qualifications: · Bachelor’s or Master’s degree in Computer Science or equivalent industry experience. · Comes from Software Engineering background with infrastructure experience. · 5+ years of development experience with a strong focus on large-scale, distributed systems....
Contract Spy
Jun 19, 2026
Duration not stated
Golang - Software Engineer at Test Yantra Software Solutions Private Limited, Sheffield, £400 - £500 a day
£400 - £500 per day
Contract Spy Sheffield, UK
Key Accountabilities Responsibilities will include: · Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client using Python , Golang, Docker and Cloud-Native services . · Implement and manage database schema changes using Liquibase , ensuring alignment with compliance and audit standards. · Collaborate closely with Architecture and DevOps teams to enhance, maintain and mature Product capabilities/features. · Perform root cause analysis and implement solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below experience and qualifications: · Bachelor’s or Master’s degree in Computer Science or equivalent industry experience. · Comes from Software Engineering background with infrastructure experience. · 5+ years of development experience with a strong focus on large-scale, distributed systems....
Contract Spy
Jun 12, 2026
Duration not stated
Golang - Software Engineer at Test Yantra Software Solutions Private Limited, Sheffield, £400-£500 per day
£400 - £500 per day
Contract Spy Sheffield, UK
Key Accountabilities Responsibilities will include: · Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client using Python , Golang, Docker and Cloud-Native services . · Implement and manage database schema changes using Liquibase , ensuring alignment with compliance and audit standards. · Collaborate closely with Architecture and DevOps teams to enhance, maintain and mature Product capabilities/features. · Perform root cause analysis and implement solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below experience and qualifications: · Bachelor’s or Master’s degree in Computer Science or equivalent industry experience. · Comes from Software Engineering background with infrastructure experience. · 5+ years of development experience...
Contract Spy
Jun 23, 2026
Duration not stated
Software Engineer (3 month contract) at Sphere, London SE1 1UN, £600 a day
£600 per day
Contract Spy Southwark St, London SE1 1UN, UK
ABOUT US: Here at Sphere (www.onsphere.com) we operate in the dynamic world of energy commodities trading, where information and speed are crucial for success. However, data in these markets is often fragmented and opaque, leaving participants with incomplete and poor-quality information…. Here at Sphere, we aim to bring order to this chaos by leveraging our innovative voice and AI technologies, as well as our patented Liquidity Lake, which consolidates all actionable liquidity onto one screen. Enhanced by AI insights and quantitative analytics, our platform is designed to support even the most skilled traders; See more. Win more. THE OPPORTUNITY: Pick up and own, the transformation of a typescript library running within Electron Produce recommendations for improvements to the interaction of the typescript library with the server backend and separately with the UI Refactor the library to drastically reduce the daily maintenance...
Contract Spy
Jun 16, 2026
up to 6 Months
Software Engineer at Sphere, London, 3 Months, £600 per day
£600 per day
Contract Spy Southwark St, London SE1 1UN, UK
ABOUT US:   Here at Sphere (www.onsphere.com) we operate in the dynamic world of energy commodities trading, where information and speed are crucial for success. However, data in these markets is often fragmented and opaque, leaving participants with incomplete and poor-quality information…. Here at Sphere, we aim to bring order to this chaos by leveraging our innovative voice and AI technologies, as well as our patented Liquidity Lake, which consolidates all actionable liquidity onto one screen. Enhanced by AI insights and quantitative analytics, our platform is designed to support even the most skilled traders; See more. Win more.   THE OPPORTUNITY:   Pick up and own, the transformation of a typescript library running within Electron Produce recommendations for improvements to the interaction of the typescript library with the server backend and separately with the UI Refactor the library to drastically reduce the...
Contract Spy
Jun 29, 2026
Duration not stated
Senior Data Engineer (Contract) at Softwire, London Area, £550-£650 per day
£550 - £650 per day
Contract Spy London Area, United Kingdom
Senior Data Engineer - Outside IR35 - Contract (Insurance Client) About the role Softwire is seeking an experienced Data Engineer with a strong knowledge of Python (including PySpark) and SQL, and a good understanding of software engineering best practices (including SDLC, CI/CD, automated testing, DevOps) to join an established small team working on delivering a data & analytics platform in Microsoft Fabric for a speciality insurance provider. This is a senior, hands-on role that will require owning and delivering workstreams independently while supporting a junior team member. Key Responsibilities Building new ingestion pipelines in Microsoft Fabric using Python (PySpark) notebooks Modelling data for consumption in Power BI through a dimensional gold warehouse layer and a semantic model Improving platform performance Working across cross-functional areas such as logging, monitoring (with Azure Log Analytics and Fabric) and data governance (within...
Contract Spy
Jun 12, 2026
Duration not stated
GCP Cloud Engineer at Test Yantra Software Solutions Private Limited, Sheffield, £400-£500 per day
£400 - £500 per day
Contract Spy Sheffield, UK
Key Accountabilities Responsibilities will include: · Deploying, configuring and securing backend REST API services using CSP native services . · Deploying, configuring and securing containerised application runtimes using Infrastructure as Code . · Building and maintaining CI/CD pipelines in collaboration with DevOps and Security teams, focusing on traceability and regulatory controls. · Managing, monitoring, and optimising cloud infrastructure across GCP , ensuring performance, resilience, cost-efficiency, and data security. · Collaborating closely with infrastructure, architecture, and cybersecurity teams to meet internal risk, compliance, and governance requirements. · Supporting live systems, conducting root cause analysis, fixing bugs and implementing solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below...
Contract Spy
Jun 25, 2026
Duration not stated
Content Designers - Contractors Inside IR35 at HippoDigital, Leeds LS1 4HT, Up to £500 a day
£400 - £500 per day
Contract Spy Aire St, Leeds LS1 4HT, UK
About The Role Hippo is a rapidly growing digital consultancy passionate about building and delivering transformative digital solutions for a diverse range of Public and Private sector clients. We are looking to recruit talented Content Designers for current contractor opportunities. Due to the variety of our projects and clients, we have Inside IR35 positions available on a short-term or long-term basis with hybrid/flexible working arrangements. Content Designers ensure that people using a service can get the information they need, when they need it, in a format that’s right for them. They work with user researchers to identify what people need from a service. Then they write content to meet those needs, collaborating with UX designs and other members of multidisciplinary teams to shape, test and iterate a service in response to user feedback. Our solutions empower our customers to build and support secure, scalable, and well-engineered systems beyond...
Contract Spy
Jun 30, 2026
Duration not stated
SCCM/Intune/Identity Engineer at Whitebridge Group, Reading or Havant - Hybrid, £550 per day
£550 per day
Contract Spy Hybrid (Reading, UK)
Whitebridge is looking for an Engineer with expertise in SCCM , Intune and identity management. Role Overview: Provide SCCM engineering support to enable and sustain the Defender for Endpoint rollout and ongoing maintenance Support onboarding, configuration, and optimisation of endpoints into Defender for Endpoint Maintain and improve device build standards, compliance baselines, and software distribution processes Support integration between SCCM, Active Directory (AD), and identity services to ensure accurate device and user alignment Contribute to identity initiatives, including device identity, group policy alignment, and access control dependencies Support the journey to password less authentication, including configuration alignment and policy enforcement at device level The successful applicant should be able to commit to starting ASAP. The role will be hybrid between home and office visits and will be umbrella based working. Direct...
Contract Spy
Jun 18, 2026
Duration not stated
Automation Test Engineer at ByDesign Secure, London, £500 a day
£500 per day
Contract Spy London, UK
Opening: Join the Mission We deliver secure, mission‑critical platforms and services for government and regulated organisation’s operating in high‑assurance environments. Our teams work at the intersection of cloud engineering, DevSecOps, and platform enablement, helping organisation’s adopt Google Distributed Cloud (air‑gapped GCP). This role offers the opportunity to shape automation‑first testing strategies for new cloud‑native platforms, influence tooling and quality standards, and ensure solutions are secure, resilient, compliant, and testable by design. Role Purpose As an Automation Test Engineer, you will be responsible for designing, building, and operating automated testing capabilities across platform and application delivery teams. You will: Define and implement test automation strategies aligned to IaC, CI/CD, and DevSecOps practices Select, evaluate, and trade‑off test tooling suitable for air‑gapped Google Distributed Cloud...
Contract Spy
Jun 17, 2026
6 Months or more
Senior SDET at Codurance, London, 6 Months, £500 per day
£500 per day
Contract Spy London, UK
Description Codurance is an innovative consultancy that helps organisations embrace the power of technology to drive business success. We are currently seeking an experienced contract SDET / QA Engineer to join our dynamic team. As a Codurance SDET, you will be embedded directly within a high-autonomy engineering pod, owning quality end-to-end and working alongside a small team of AI-enabled engineers. This is an initial  6-month contract, inside IR35. Day rate: £500 Requirements To be successful in this role, you should have: Strong test automation skills with a senior SDET or QA Engineer mindset and you own quality end-to-end, not just execute test cases Experience building regression, feature validation, and performance test coverage, ideally from a low or undefined baseline Comfort operating with high autonomy inside a small engineering squad, without a dedicated QA lead above you An AI-first approach to your...
Contract Spy
Jun 11, 2026
Duration not stated
Automation Test Engineer at ByDesign Secure, London, £500 per day (Outside IR35)
£500 per day
Contract Spy London, UK
Opening: Join the Mission We deliver secure, mission‑critical platforms and services for government and regulated organisation’s operating in high‑assurance environments. Our teams work at the intersection of cloud engineering, DevSecOps, and platform enablement, helping organisation’s adopt Google Distributed Cloud (air‑gapped GCP). This role offers the opportunity to shape automation‑first testing strategies for new cloud‑native platforms, influence tooling and quality standards, and ensure solutions are secure, resilient, compliant, and testable by design. Role Purpose As an Automation Test Engineer, you will be responsible for designing, building, and operating automated testing capabilities across platform and application delivery teams. You will: Define and implement test automation strategies aligned to IaC, CI/CD, and DevSecOps practices Select, evaluate, and trade‑off test tooling suitable for air‑gapped Google Distributed Cloud...
Contract Spy
Jul 03, 2026
Duration not stated
GCP Cloud enginer at Test Yantra Software Solutions Private Limited, Sheffield, £401.40 - £500.07 a day
£401 - £500 per day
Contract Spy Sheffield, UK
Key Accountabilities Responsibilities will include: · Deploying, configuring and securing backend REST API services using CSP native services . · Deploying, configuring and securing containerised application runtimes using Infrastructure as Code . · Building and maintaining CI/CD pipelines in collaboration with DevOps and Security teams, focusing on traceability and regulatory controls. · Managing, monitoring, and optimising cloud infrastructure across GCP , ensuring performance, resilience, cost-efficiency, and data security. · Collaborating closely with infrastructure, architecture, and cybersecurity teams to meet internal risk, compliance, and governance requirements. · Supporting live systems, conducting root cause analysis, fixing bugs and implementing solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below experience and qualifications: · A...
Contract Spy
Jun 26, 2026
Duration not stated
GCP Cloud enginer at Test Yantra Software Solutions Private Limited, Sheffield, £401.40 - £500.07 a day
£401 - £500 per day
Contract Spy Sheffield, UK
Key Accountabilities Responsibilities will include: · Deploying, configuring and securing backend REST API services using CSP native services . · Deploying, configuring and securing containerised application runtimes using Infrastructure as Code . · Building and maintaining CI/CD pipelines in collaboration with DevOps and Security teams, focusing on traceability and regulatory controls. · Managing, monitoring, and optimising cloud infrastructure across GCP , ensuring performance, resilience, cost-efficiency, and data security. · Collaborating closely with infrastructure, architecture, and cybersecurity teams to meet internal risk, compliance, and governance requirements. · Supporting live systems, conducting root cause analysis, fixing bugs and implementing solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below experience and qualifications: · A...
Contract Spy
Jun 19, 2026
Duration not stated
GCP Cloud enginer at Test Yantra Software Solutions Private Limited, Sheffield, £401.40 - £500.07 a day
£401 - £500 per day
Contract Spy Sheffield, UK
Key Accountabilities Responsibilities will include: · Deploying, configuring and securing backend REST API services using CSP native services . · Deploying, configuring and securing containerised application runtimes using Infrastructure as Code . · Building and maintaining CI/CD pipelines in collaboration with DevOps and Security teams, focusing on traceability and regulatory controls. · Managing, monitoring, and optimising cloud infrastructure across GCP , ensuring performance, resilience, cost-efficiency, and data security. · Collaborating closely with infrastructure, architecture, and cybersecurity teams to meet internal risk, compliance, and governance requirements. · Supporting live systems, conducting root cause analysis, fixing bugs and implementing solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below experience and qualifications: · A...
Contract Spy
Jul 03, 2026
Duration not stated
DV Application Support Engineer at Twinstream, Cheltenham, £500-£600 per day (outside of IR35)
£500 - £600 per day
Contract Spy Cheltenham, UK
About Us   In 2019, the founders were working as engineers solving complex cross-domain problems within government organisations.   TwinStream was formed to bring together their collective expertise and experience into a single business, focused on delivering technical excellence and high-quality service to clients.   Since then, the company has grown to over 100 team members across the UK, with colleagues working both on-site with clients,  hybrid  and remotely from home.     Details : Employment: Contract (outside of IR35) Rate: £500 - £600   Security Level: Must have live DV clearance   Location: 5 days in either Cheltenham   About the role   As part of our on-site team,  you'll play a key role in designing, building, configuring, and maintaining resilient systems that support critical operations....
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