12 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...

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...

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...

Lead DevOps Engineer (Contract, Outside IR35) Contract:  Outside IR35 Start date:  December 2026 Length:  Three months initially, with a chance to extend Location:  Remote first, based within 50 miles of Edinburgh, Newcastle, Leeds, Manchester or London A lot of DevOps contracts drop you into someone else's setup and ask you to keep it running. On this one, you'll decide how it's built. What's in it for you You'll lead the DevOps work from day one, with the authority to make decisions and see them through. You'll join a team that already knows what good looks like, so you won't spend your first month untangling things. Who you'll be doing it for You'll be working for hedgehog lab, a digital product consultancy with 20 years of experience. We're around 100 people, B Corp and Great Place to Work certified, and backed by a growth capital investor. Your clients will be public and private sector organisations going through digital...

The Cabinet Office supports the Prime Minister and ensures the effective running of government. The Cabinet Office is also the corporate headquarters for the government, in partnership with HM Treasury, and takes the lead in certain critical policy areas. More information about the Cabinet Office can be found on its website at: www.gov.uk/government/organisations/cabinet-office   As a Lead Data Engineer AI , your main responsibilities will be: AI Data Integration & Pipeline Design: Establish Cabinet Office data integration standards and lead the engineering of automated data pipelines, ETL/ELT workflows, and API connections connecting enterprise SaaS and internal databases to AI applications whilst ensuring alignment with existing pipelines and standards. AI Data Security & Compliance: Implement identity and access controls, including SSO, conduct data quality, sensitivity and access checks before indexing, and ensure AI applications respect...

Mobile Software Engineers, iOS, Android & Cross-Platform Developers. Remote AI Project   We are seeking experienced Mobile Software Engineers, iOS Developers, Android Developers, React Engineers, and Flutter Developers to contribute to a remote AI project focused on advanced mobile software engineering.   You will create challenging coding environments that test an AI model’s ability to debug mobile applications, build non-trivial features, refactor complex code, manage application state and lifecycle, and optimize performance.   What You’ll Do   Create realistic and technically challenging mobile software engineering tasks using real or representative codebases. Design problems involving bug fixing, feature development, application state, lifecycle behavior, asynchronous workflows, refactoring, and performance optimization. Build tasks for React, Flutter, iOS, or Android applications based on your...

Location: UK-based, remote Commitment: Four days per week Contract: Outside IR35 Fee: £6,500 per month Start date: 20 November 2026 Term: Initial contract with the possibility of extension   ABOUT VAULTIER Vaultier is building a private collection-management platform for wealthy collectors and the personnel authorised to manage their high-value collections. The product combines secure digital records, collection administration, controlled access, approvals and coordination with trusted professionals.   Vaultier is preparing its first MVP and requires an experienced full-stack engineer to take technical ownership of the build.   THE ROLE The engineer will work from approved product requirements and designs to build, test and release the Vaultier MVP.   Some initial screens may be produced using AI-assisted development tools. The engineer will be responsible for reviewing and converting this...

Contract: Outside IR35 Commitment: 2-3 days a week Additional days: £280 per day, subject to prior written approval Location: UK-based, remote Start date: 20 November 2026 Term: Initial MVP contract with the possibility of extension   ABOUT VAULTIER Vaultier is building a private collection-management platform for wealthy collectors and the people authorised to manage their collections. The product will hold sensitive information about valuable pieces, including ownership, value, location, documents, actions and access permissions.   THE ROLE Vaultier is looking for an independent QA engineer to test its responsive web MVP.   You will review completed features against approved requirements, identify defects and risks, and provide clear evidence of whether each release is ready. You will work independently from the full-stack engineer while collaborating with Product, UX and Development.  ...

About the job World Wide Technology (WWT) is a global technology integrator and supply chain solutions provider. Through our culture of innovation, we inspire, build, and deliver business results, from idea to outcome.   World Wide Technology (WWT) is looking for an experienced Senior Firewall Engineer with deep Check Point expertise to support our client, a major global organisation based in the United Kingdom.   The successful candidate will be part of the Solutions Design & Delivery team, creating low-level designs, overseeing their implementation and transitioning solutions into operational support, in support of key transformation programmes.   This is a contract role & Inside IR35   Senior Firewall Engineer (Check Point)   Contract Duration: 6 months (initial)   Location: United Kingdom (Remote)   Key Responsibilities Work as part of the Solutions Design & Delivery...

  About Holotwins Bharat Holotwins Bharat is an agile, high-velocity software engineering and digital transformation firm based in India. We specialize in building robust, scalable digital ecosystems, custom software architectures, and specialized tech infrastructure for global businesses. By blending top-tier technical talent with highly optimized delivery frameworks, we enable startups, SMEs, and mid-market agencies to accelerate their product roadmaps at a fraction of local engineering costs. As we expand our footprint across the UK and European markets , we are looking for a sharp, commercially driven local partner to bridge the geographic gap and build trusted, high-value relationships with European tech leaders.   About the Role We are seeking an independent, results-oriented Freelance Business Development Manager / Sales Agent based natively in the UK or Europe. Your primary mission is to act as the "local face and voice" of...

Are you a detail-oriented individual with a passion for research and a good understanding of national and local geography? This freelance opportunity allows you to work at your own pace and from the comfort of your own home.   A Day in the Life of an Online Data Analyst: In this role, you will be working on a project aimed at enhancing the content and quality of digital maps that are used by millions of people worldwide Completing research and evaluation tasks in a web-based environment such as verifying and comparing data, and determining the relevance and accuracy of information.   Join us today and be part of a dynamic and innovative team that is making a difference in the world!   TELUS Digital AI Community Our global AI Community is a vibrant network of 1 million+ contributors from diverse backgrounds who help our customers collect, enhance, train, translate, and localize content to build better AI models. Become part of...