144 software engineer jobs found

Software Engineer – Ruby (AI Training) About The Role What if your Ruby expertise could directly influence how AI writes and understands backend code for developers around the world? We're looking for experienced Ruby Software Engineers to work on real-world software systems that power data-driven and AI-supported workflows — reviewing, building, and evaluating production-grade code that helps train the next generation of AI models. This is a fully remote, flexible contract role. Work asynchronously on your own schedule, take on as many hours as suits you, and make a tangible impact on how AI reasons about software engineering. Organization: Alignerr Type: Hourly Contract / Task-Based Location: Remote Commitment: 10–40 hours/week What You'll Do Develop and maintain backend services and APIs using Ruby and Ruby-based frameworks Review and analyze existing codebases for correctness, performance, and maintainability...

Software Engineer - Quantitative Decision Systems Experienced Junior to Mid-Level Location:  Remote, London-based Engagement:  Initial contractor, intended to convert to permanent Indicative contract rate:  GBP 350-550/day; target c. GBP 450/day Indicative permanent salary:  GBP 55,000-80,000 Reporting to:  Naverion Chief Technical Officer (CTO)   Role Summary Naverion is seeking a software engineer at experienced-junior to mid-level to deliver defined components across its quantitative decision platform. Working directly with the CTO, the engineer will implement, test, document and support the controlled release of production software. The role suits someone who can progress bounded work independently and, at the upper end of the range, own defined components through the full SDLC. Architecture, methodology, clinical interpretation, security design and production approval remain with the CTO and relevant...

AI Software Engineer – Runtime & Systems (Contractor)   About Huawei Research and Development UK Limited Founded in 1987, Huawei is a leading global provider of information and communications technology (ICT) infrastructure and smart devices. We have 207,000 employees and operate in over 170 countries and regions, serving more than three billion people around the world. Our vision and mission is to bring digital to every person, home and organization for a fully connected, intelligent world. To this end, we will drive ubiquitous connectivity and promote equal access to networks; bring cloud and artificial intelligence to all four corners of the earth to provide superior computing power where you need it, when you need it; build digital platforms to help all industries and organizations become more agile, efficient, and dynamic; redefine user experience with AI, making it more personalized for people in all aspects of their life, whether they’re at...

World Wide Technology (WWT), a 36-year-old global technology integrator and IT solutions provider. Through our culture of innovation, we inspire, build, and deliver business results from idea to outcome. World Wide Technology (WWT) has an opportunity for a Python Software Engineer to join a team building configuration management software for a large-scale private cloud platform within a leading financial services organisation. This is a hands-on development role, not an SRE or infrastructure automation position you'll help re-architect existing software as the platform evolves toward a zoned, enclave-based network model, while keeping performance and reliability intact.   This is a contract Role & Inside IR35   Python Software Engineer Contract Duration: 12 months Location: London or Glasgow (3 days per week in office)   Key Responsibilities Build and maintain production-grade Python applications. Re-architect software to...

World Wide Technology (WWT), a 36-year-old global technology integrator and IT solutions provider. Through our culture of innovation, we inspire, build, and deliver business results from idea to outcome. World Wide Technology (WWT) has an opportunity for a Python Software Engineer to join a team building configuration management software for a large-scale private cloud platform within a leading financial services organisation. This is a hands-on development role, not an SRE or infrastructure automation position you'll help re-architect existing software as the platform evolves toward a zoned, enclave-based network model, while keeping performance and reliability intact.   This is a contract Role & Inside IR35   Python Software Engineer Contract Duration: 12 months Location: London or Glasgow (3 days per week in office)   Key Responsibilities Build and maintain production-grade Python applications. Re-architect software to...

Full job description Joining a new project Ideally have worked on Financial Services Projects before (Payments would be great) Fullstack Experience Tech Stack - Kotlin Backend, JS/TS React Frontend Start date ASAP Duration 6 months (Likely to extend) 2/3 days / week in person working (London) Immediate Interviews   The best bit about Red Badger is, of course, the team. We are really proud of our people; we support and learn a lot from each other; we work really hard but have fun doing it. We are a diverse group made up of 22 different nationalities, speaking 17 different languages.   Our 3 founders, Dave, Cain and Stu, who have considerable tech and consultancy experience and still own 100% of the company. We've been consistently profitable and have grown responsibly from the beginning.   We are based at Old Street in the heart of "tech city" and get thoroughly stuck in with the brilliant...

Contract Start Date: TBC Contract Length: Likely 6 months Contract Classification: Inside IR35 Contract Location: Glasgow (flexible) Design, implement, and manage secure cloud infrastructure solutions on Google Cloud Platform. 3+ years of software engineering experience with core GCP services such as Compute Engine, BigQuery, and Kubernetes. Strong knowledge of IAM, Terraform, and scripting with Python or Golang. Ensure compliance and governance within cloud environments. Collaborate with cross-functional teams to deliver scalable cloud solutions.

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...

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...

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...

Job Title: Software & DevOps Engineer Location: London Hybrid Duration: 12 months Contract Start Date: November, ASAP 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 This role requires a senior software engineer specializing in Java and JavaScript development to design, build, and secure enterprise-level applications and platforms. The consultant will be a key figure in enhancing software supply chain security and driving the adoption of secure development practices across the...

Job Title: Software & DevOps Engineer Location: London Hybrid Duration: 12 months Contract Start Date: November, ASAP 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 This role requires a senior software engineer specializing in Java and JavaScript development to design, build, and secure enterprise-level applications and platforms. The consultant will be a key figure in enhancing software supply chain security and driving the adoption of secure development practices across the software...

Contract - Software & DevOps Engineer Job Type Contract Date published 12-Oct-2026 Req # 25464 Job description Job Title: Software & DevOps Engineer Location: London Hybrid Duration: 12 months Contract Start Date: November, ASAP 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 This role requires a senior software engineer specializing in Java and JavaScript development to design, build, and secure...

Basic information Location Birmingham, Bristol, Cardiff, Edinburgh, Glasgow, Leeds, London, Manchester, Newcastle Business Line Technology & Transformation Job Type Contract Date published 22-Oct-2026 Req # 25590 Job description Job Title: Software AI Engineer (contract) Location: Hybrid - open to any Deloitte office location (London, Bristol, Birmingham, Manchester, Leeds, Cardiff, Edinburgh, Glasgow). Travel to office 3 days per week Duration: 2 months Contract Start Date: ASAP November 2026 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...

Software Engineering Learning Facilitator     Temporary   Competitive   We want to maximise the potential of everyone who chooses to work for us. We offer a great work life balance. You have the opportunity to work at any of our brand-new Regional Centres and to also work remotely. Contracts vary in length dependent upon the project with the possibility to extend. Your time spent with us short or long term will be invaluable - your skills and expertise are needed to deliver the largest digital and transformation projects in Government. There really couldn’t be a better time to join HMRC for your new contract opportunity! Software Engineering Learning Facilitator We are seeking an experienced and engaging Software Engineering Learning Facilitator to deliver high-quality learning and development programmes for groups of 10 to 20 aspiring and early-career software...

Data and Analytics Vertex AI Engineer - Lead Software Engineer Contract Start Date: TBC Contract Length: Likely 6 months Contract Classification: Inside IR35 Contract Location: Glasgow (flexible) Design, develop, and troubleshoot secure, scalable AI-enabled applications. 5+ years of software engineering experience with practical cloud-native experience on GCP. Proficiency in Python, Java, Go, and TypeScript. Expertise in AI model deployment, fine-tuning, and implementing guardrails. Develop and maintain CI/CD pipelines for AI/ML workflows. Collaborate with data science and engineering teams to deliver AI solutions aligned with business needs.

The Infected Blood Compensation Authority (IBCA) is a new arm’s-length body which is being set up, at unprecedented pace, to administer compensation to people whose lives have been impacted by the infected blood scandal   A rare opportunity to lead cutting-edge software engineering across the breadth of a public service making a real difference. Joining IBCA early in the service lifecycle allows for the Principal Software Developer to influence tech decisions, build capability, and implement best in class engineering standards.   As the Principal Software Engineer, you will be an experienced voice in the organisation, leading and coaching colleagues to design and develop applications that meet the user needs, and comply with government technology and design standards. You will be responsible for the development of frontend and backend services, applying a rigorous testing approach to ensure applications are...

The Infected Blood Compensation Authority (IBCA) is a new arm’s-length body which is being set up, at unprecedented pace, to administer compensation to people whose lives have been impacted by the infected blood scandal   A rare opportunity to lead cutting-edge software engineering across the breadth of a public service making a real difference. Joining IBCA early in the service lifecycle allows for the Principal Software Developer to influence tech decisions, build capability, and implement best in class engineering standards.   As the Principal Software Engineer, you will be an experienced voice in the organisation, leading and coaching colleagues to design and develop applications that meet the user needs, and comply with government technology and design standards. You will be responsible for the development of frontend and backend services, applying a rigorous testing approach to ensure applications are...

Location: UK Remote (GMT timezone) Department: Engineering Employment Type: Contract (B2B)   About YLD: Our goal is to help our clients keep moving forward. We work with them to build the skills and capabilities they need to stay ahead of the competition, and we know our success only happens when they succeed. We’re a team of curious, talented people, and we’re committed to making YLD a place where great people want to work, grow, and stay. We’re a remote-first consultancy specialising in software engineering, product design, and data. Our teams are based across London, Lisbon, and Porto, and we create digital solutions that continue to deliver value long after our work is done.   About the role As a Senior Software Engineer at YLD, you’ll be part of a client team building innovative products. We’re looking for someone curious, passionate, driven, and enthusiastic. You should be skilled in...

What are T Levels? T Levels are new courses coming in September 2020, which will follow GCSEs and will be equivalent to three A levels. These two-year courses have been developed in collaboration with employers and businesses, so that the content meets the needs of industry and prepares students for work. T Levels will offer students a mixture of classroom learning and ‘on-the-job’ experience during an industry placement of at least 45 days. They will provide the knowledge and experience needed to open the door into skilled employment, further study or a higher apprenticeship. The Role The T Level Examiner role is an excellent opportunity to earn some extra money in a contract role, alongside any full-time commitments you may have, whilst also developing your career in education. T-Level Examiners mark candidate responses in accordance with a pre-defined mark scheme, whilst adhering to the Code of Practice and published examination...