70 engineering jobs found

Location: Remote About The Job At Alignerr, we partner with the world’s leading AI research teams and labs to build and train cutting-edge AI models. You’ll challenge advanced language models on topics like computer architecture and hardware design, embedded systems and IoT, networking and distributed systems, hardware security, and systems software and operating systems—documenting every failure mode so we can harden model reasoning. Organization : Alignerr Position : Computer Engineering Expert - AI Content Specialist Type : Hourly Contract Compensation : $35–$60 /hour Location : Remote Commitment : 10–40 hours/week What You’ll Do Develop Complex Problems: Design advanced computer engineering challenges across domains like RISC-V/ARM architecture, FPGA development, memory management, and hardware-software co-design. Author Ground-Truth Solutions: Create rigorous, step-by-step technical solutions, including...

Backend Developer — AI Data Services About The Role What if your C# expertise could directly shape the infrastructure powering the next generation of AI? We're looking for a Senior C# Full-Stack Engineer to build and optimize the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to train and improve their models. This is a fully remote contract role with meaningful, high-impact work — the kind where your code doesn't just sit in a backlog, it actively influences how AI systems learn and behave at scale. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: 20–40 hours/week What You'll Do Design, build, and optimize high-performance C# systems supporting AI data pipelines and evaluation workflows Develop full-stack tooling and backend services for large-scale data annotation, validation, and quality control Improve reliability, performance, and safety across...

Contract - Senior Test Analyst Inside IR35 Contract Initial 3 months Remote - UK Based Start ASAP   About Scale Factory We are an AI enablement consultancy. Delivering quality-led AI-first foundations, embedding capability and excellence into the foundational fabric of the companies we work with. We give leaders the confidence to move faster, take smarter risks and pursue transformation. Formerly Ten10, we have deep roots in Quality which means we don’t just build for the future, we ensure it actually works. We combine this engineering discipline with cutting-edge AI expertise to deliver robust, scalable foundations that turn ambitious transformation into reliable reality.   What We’re Looking For We’re on the hunt for an ambitious, driven Senior Test Analyst with a passion for quality and testing. If you’re curious, collaborative, and comfortable in Agile environments, we want to hear from you....

We 're looking for experienced software engineers to build AI coding tasks from a codebase they know well. $750 Pounds per task, and you can do as many tasks as you want. You turn a real change from a repository you know into a task that today 's best AI coding models struggle with: hard for the models, but fair for a skilled engineer. Your tasks are used to measure and train AI coding models. Remote, any location. $750 Pounds per task that passes review. Minimum of one task a week, about 10 hours a week.   How it works Apply. Complete a short screener interview and upload your resume. Propose. Once you 're selected, pick a change from a repository you know and submit a short proposal. We approve it or suggest a better candidate. Build. In our platform, set up the repository as it was before the change, then write the brief, the correct solution and the grading checks. Stress-test. Try lazy, incorrect and shortcut solutions and make sure...

Are you a Kotlin expert eager to shape the future of AI? Large-scale language models are evolving from chatbots into powerful developer assistants capable of reasoning about complex software systems. With high-quality engineering data, tomorrow's AI can support developers in solving real-world problems faster and more accurately. That training data begins with you—your coding expertise will help power the next generation of AI. We're looking for Kotlin specialists who can take real-world engineering scenarios—such as bug reports or feature requests in a Git repository—and produce clean, efficient, and idiomatic solutions using the Kotlin programming language. You'll create high-quality code patches that reflect modern Android development practices and ensure technical correctness, maintainability, and clarity. You should have hands-on experience with modern Android and Kotlin development, including Jetpack Compose, Kotlin Coroutines, and Jetpack libraries such...

Are you a coding expert fluent in Python eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of scientific discovery. With high‑quality training data, tomorrow's AI can democratize world‑class education, keep pace with cutting‑edge research, and streamline software development for engineers everywhere. That training data begins with you—we need your expertise to help power the next generation of AI. We're looking for Python coding specialists who live and breathe algorithms, data structures, software architecture, frontend and backend development, cloud infrastructure, and systems programming—and who can do so fluently using Python. You'll challenge advanced language models on topics like asynchronous programming, RESTful API integration, memory management, object-oriented design, secure coding practices, and debugging distributed systems—documenting every failure mode so we can harden model...

Location: Remote first (2-3 days on site in the North East during week one) Start: November 2026 Duration: 3 months initial, 5 days per week Rate: Around £650 per day depending on experience, Outside IR35 Sector: Financial services About the opportunity Crosstide is looking for a hands-on Principal Platform Engineer to join a financial services client building a new Automated Developer Platform on Google Cloud. The platform runs in its own GCP organisation alongside the client's existing estate, and the first teams to adopt it are building savings services in Go, using Kafka and databases. You'll be one of three Crosstide engineers Embedded in the client's small platform team for phase one, a three-month push to strengthen the shared platform services and add observability, developer experience and disaster recovery. This is a hands-on build role, not a design-only one. The team has a strong bias for action, is happy to try things and throw code away,...

Location United Kingdom (Remote) Department Data Governance Employment Type Contractor Minimum Experience Experienced Compensation £500-£525 per day (Outside IR35) Who we are Billigence is a boutique data consultancy with global reach, transforming the way organisations work with data. We use proven, cutting-edge technologies to design, tailor and implement advanced Business Intelligence solutions across Cloud Data Warehousing, Visualisation, Data Science and Engineering, and Data Governance.   About the role We are looking for an experienced Alation Data Governance Consultant to support a client's Data Governance implementation and rollout.   This is a  remote contract  role, open to candidates based in Europe.   Duration:  3–6 months initially   What you’ll do...

Data Science Expert – AI Content Specialist About The Role What if your expertise in machine learning, statistical inference, and data engineering could directly shape how the world's most advanced AI systems think and reason? We're looking for Data Science Experts to stress-test cutting-edge language models, author gold-standard solutions, and help push AI reasoning to its limits. This is a fully remote, flexible contract role built for serious data scientists who want meaningful, intellectually stimulating work — on their own schedule. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: 10–40 hours/week What You'll Do Design Advanced Challenges — Create complex, domain-specific data science problems spanning hyperparameter optimization, Bayesian inference, cross-validation strategies, dimensionality reduction, and more Author Ground-Truth Solutions — Develop rigorous, step-by-step...

PRINCIPAL NETWORK ENGINEER (ARUBA CLEARPASS) 6 months Contract UK Remote Competitive Day Rate   Are you an Aruba specialist who thrives on solving complex networking challenges?   We're seeking an experienced Aruba specialist to lead the design and delivery of enterprise Aruba LAN, WLAN and ClearPass solutions across complex customer environments. You will be our senior technical authority for HPE Aruba wired and wireless networking and network access control (NAC), covering design, architecture and delivery across the customer estate.   The role combines deep, hands-on Aruba specialism with strong core routing and switching skills, acting as the escalation point for the most complex Aruba engagements and a key technical contributor to pre-sales, solution design and Managed Services.   The role blends senior hands-on engineering with architecture, design authority and mentoring, with weighting shifting further toward...

Please note: SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. (Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active security clearance.)    The Intellectual Property Office (IPO) is the official UK government body responsible for intellectual property (IP) rights including patents, designs, trademarks and copyright. Our ambition is to be the best IP office, and we intend to achieve this by:   Delivering excellent IP services Creating a world leading IP environment Making the IPO a brilliant place to work   We operate and maintain a clear and accessible intellectual property system in the UK, which encourages innovation and helps the economy and society to benefit from...

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...

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. Job Description We are looking to engage a Security Engineer (Contractor) to work on a project within the CIS and Cyber domains. The role will be responsible for providing security domain expertise. Ideal candidates will come from a defence background, with experience implementation and compliance with Security Architectural Frameworks such as: Infosec Standard 1&2 (IS1&2), ISO27001 and excellent...

  UK Senior Technical Advisor – Fintech Marketplace Platform (3-Month Contract) We are an early stage fintech startup building a cross-border lending marketplace connecting emerging-market financial institutions (seeking foreign-currency funding) with lenders in developed markets. Think of us as connecting Tier 1/2 banks in Africa/Asia with mid Tier lenders in the UK and Europe and China. We are pre-revenue, validating product-market fit with anchor users, and now ready to build the MVP. This is a ground-floor opportunity to shape the technical foundation of a marketplace that could scale to billions in annual deal flow. LOCATION: United Kingdom (Remote, flexible hours) THE ROLE We need an experienced senior technologist to design the core architecture of our marketplace platform and ensure a junior/mid-level UK engineer can execute the MVP independently. You will own six concrete deliverables over 12 weeks:...

AI systems are only as safe as the people who test them — and that's where you come in. We're looking for security-minded professionals to probe, stress-test, and red-team AI models, uncovering weaknesses before they become real-world problems. Your work will directly shape the safety and reliability of AI products used by millions of people worldwide. This is a remote, flexible contract role where your expertise in cybersecurity and adversarial thinking translates into meaningful impact on one of the most critical frontiers in tech. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: 10–40 hours/week What You'll Do Conduct red-teaming exercises to surface security weaknesses in AI systems Design and execute adversarial prompts and edge-case scenarios to test model guardrails Evaluate AI outputs for safety, bias, and policy compliance Document vulnerabilities, exploits, and unexpected behaviors in clear,...

  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...

Help push the limits of today's most advanced AI models.   Are you an experienced technical professional who enjoys solving complex problems and challenging the capabilities of AI systems?   We are looking for specialists in software engineering, systems, machine learning, cybersecurity, hardware, and related technical fields to contribute to an expert-level AI benchmarking project.   About the project Today's AI agents can perform many technical tasks, but they still struggle with complex, real-world problems. In this project, you'll use your expertise to design challenging tasks that AI agents must solve in a Linux terminal. Your work will involve: Designing original, technically challenging problems based on real-world scenarios. Developing automated verifiers to determine whether an AI agent's final result is correct. Anticipating edge cases and ensuring tasks have clear specifications and reliable evaluation criteria....

About the job   Tensium builds expert reasoning datasets and long-horizon coding tasks to train frontier AI models. We are looking for experienced machine learning engineers to contribute to Project Neo.   What you’ll do • Design long-horizon coding tasks based on real machine learning engineering work. • Create CPU ML tasks that challenge AI agents to complete an engineer’s end-to-end work in a real repository.   What we’re looking for • Practical experience building, training and deploying machine learning models. • Experience with large-scale data processing, model evaluation and optimisation in real-world environments. • An advanced degree in Computer Science, Mathematics, Engineering or a related field, or equivalent practical experience. • Clear technical communication and availability to contribute consistently.   Working arrangements and payment •...

About The Role What if the code you write could directly power the AI systems shaping how millions of people interact with technology? We're looking for Back End Developers based in London to design, build, and optimize the server-side systems and APIs that drive cutting-edge AI products — from data pipelines and model-serving infrastructure to scalable microservices that handle real-world traffic at scale. This is a fully remote, flexible contract role. Whether you're a seasoned engineer looking for meaningful project work or a strong developer ready to apply your skills to AI-adjacent infrastructure, this is your chance to build things that matter. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: 10–40 hours/week What You'll Do Design, develop, and maintain robust back end services, APIs, and data pipelines Build scalable, high-performance server-side architecture to support AI training and inference...

About The Role What if the code you write could directly shape how the next generation of AI understands and generates software? We're looking for Software Engineers in London to build, evaluate, and improve AI-generated code — helping train AI systems to think like real developers. You'll write solutions, review AI outputs, and provide the expert-level feedback that makes AI coding assistants smarter, safer, and more reliable. This is hands-on engineering work at the frontier of AI development — not theoretical, not bureaucratic, and not boring. This is a fully remote, flexible contract role. If you can write clean code and explain your reasoning, we want to hear from you. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: 10–40 hours/week What You'll Do Write, debug, and optimize code across a range of languages, frameworks, and problem domains Review and evaluate AI-generated code for correctness,...