AI Software Engineer Jobs in United Kingdom

7,658 jobs found

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Coram AI logo
Full-time|On-site|London

At Coram AI, we are revolutionizing video security in today's digital landscape. Our innovative cloud-native platform leverages cutting-edge computer vision and artificial intelligence to empower businesses with enhanced safety, informed decision-making, and rapid response capabilities. Experience real-time alerts, effortless clip sharing, and comprehensive …

Feb 18, 2026
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Anyone AI logo
Contract|Remote|United Kingdom

Anyone AI is on the lookout for talented Full-Stack Developers to contribute to an exciting project alongside a prestigious AI research lab.Qualifications:Exceptional written and spoken English proficiency3 to 7 years of extensive experience in software engineeringAdvanced skills in Python and JavaScript/TypeScript; familiarity with Java, C#, or Go is a plusHands-on experience in backend or full-stack development within production environmentsProficient in testing frameworks such as pytest, Jest, JUnit, xUnit, and Go testingDemonstrated ability to debug and work with complex, multi-file codebasesExperience in code reviews, refactoring, and migration processesEngagement: This is a part-time, project-oriented consulting roleWork Type: Fully RemoteAs a contributor, you will create and assess realistic software engineering tasks that encompass bug fixing, feature development, code refactoring, migrations, and test generation. Your work will entail crafting intricate coding challenges and evaluating peer submissions for quality assurance.This role is consultant-based, with payment structured per project. Hourly rates are estimates based on expected completion times. Consultants have the flexibility to manage their schedules, utilize their own tools, and may work with other clients as long as it complies with their policies.Responsibilities:Contributors will:Design and execute multi-file coding tasks including bug fixes, feature enhancements, refactoring, and testingDraft clear specifications and reference implementations in natural languageDevelop and enhance unit and integration test suitesAssess peer-generated tasks for accuracy, clarity, and realismSpot edge cases, ambiguities, and potential failure modesEnsure consistency between specifications, code, and intended outputsExpected Outcomes:High-quality, realistic software engineering tasks that are ready for implementation.

Apr 6, 2026
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Valsoft Corporation logo
AI-Native Software Engineer

Valsoft Corporation

Full-time|Remote|Remote — United Kingdom

Join our innovative team at Valsoft Corporation as an AI-Native Software Engineer. In this remote role, you will be pivotal in developing cutting-edge software solutions that leverage artificial intelligence technologies. Your expertise will help us drive our projects forward, ensuring that our products meet the highest standards of quality and performance.

Mar 26, 2026
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anyone-ai logo
Full-time|On-site|United Kingdom

Join anyone-ai as an AI Software Engineering Trainer in the United Kingdom! In this dynamic role, you will leverage your expertise in software engineering and artificial intelligence to train and mentor upcoming talent in the field. You will be responsible for developing training materials, conducting workshops, and providing hands-on guidance to participants, ensuring they gain practical skills and knowledge in cutting-edge AI technologies.As a part of our team, you will collaborate with industry experts and contribute to the advancement of AI education, making a meaningful impact in the tech community.

Mar 25, 2026
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Anyone AI logo
Contract|Remote|United Kingdom

Anyone AI seeks experienced software engineers for a part-time, remote contract supporting a major AI laboratory project. This position is open to candidates based in the United Kingdom. Key responsibilities Create and implement multi-file coding tasks, including bug fixes, new features, refactoring, and test development. Write clear and detailed specifications, along with reference code implementations. Develop and improve unit and integration test suites to strengthen code reliability. Review coding tasks from peers, ensuring technical accuracy, clarity, and practical value. Identify edge cases, ambiguities, and potential failure points in both tasks and solutions. Check that specifications, code, and expected results remain consistent for each task. Role details Part-time contract Remote work (must be based in the UK)

Apr 20, 2026
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Version 1 logo
Full-time|On-site|London, Birmingham, Manchester, Newcastle upon Tyne, Edinburgh, Belfast

Join Version 1 as an AI Software Engineer and be at the forefront of innovation in artificial intelligence. In this full-time role, you will work with cutting-edge technologies to develop AI-driven software solutions that enhance business operations and customer experiences.As a key member of our Digital, Data and Cloud department, you will collaborate with cross-functional teams to design, implement, and optimize AI algorithms and models. Your contributions will help shape the future of our products and services.

Jan 8, 2026
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Phoenix Software logo
Full-time|Remote|Remote — United Kingdom

Phoenix Software helps UK public sector organizations modernize through cloud, hybrid infrastructure, data analytics, AI, security, and collaboration tools. Role Overview The Senior Azure AI Consultant joins the AI practice to guide clients through adopting and scaling AI using Microsoft technologies. This remote position is fully customer-facing and focuses on delivering advisory and hands-on engagements across strategy, architecture, and implementation of Microsoft AI platforms. This role manages end-to-end AI projects independently, from discovery and design through deployment and configuration. Close collaboration with the Practice Lead and Technical Architects is expected to continually improve Phoenix’s AI offerings. What You Will Do Lead AI advisory and enablement projects, including readiness assessments, use-case workshops, and Centre of Excellence (CoE) programs. Enable customers on Microsoft AI platforms, with a focus on Microsoft Foundry and Azure OpenAI Service. Design, deploy, and configure Azure AI solutions, creating reference environments for clients. Run executive workshops and stakeholder sessions to identify AI opportunities and shape business cases. Develop adoption roadmaps, governance models, and technical reference architectures for AI. Act as a trusted advisor to senior stakeholders, translating business needs into workable AI solutions. Work with the AI Practice Lead and Technical Architects to refine engagement frameworks and service offerings. Create deliverables such as strategy documents, technical designs, deployment guides, and assessment reports. Stay current with Microsoft AI platform updates, new features, and industry trends. Share insights on customer needs, market shifts, and potential new AI services. Support pre-sales by joining discovery calls, technical demos, proposal writing, and presentations. Location Remote , United Kingdom

Apr 17, 2026
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Tracer logo
Full-time|On-site|London

About UsAt Tracer, we are pioneering the development of autonomous AI agents designed specifically for production data pipelines. As an early-stage, venture-backed startup, we are supported by seasoned professionals and investors who foresee AI's transformative impact on enterprise software over the coming decade. Our tight-knit team is comprised of senior experts who are keenly focused on execution and innovation. About the RoleWe are seeking a Lead AI Software Engineer to join our London team, responsible for creating and managing the core systems that convert production alerts into actionable root cause analyses (RCAs) and corrective suggestions. While the agent handles the heavy lifting, you will ensure that human oversight remains integral to production decisions.In this role, you will serve as the primary technical authority for our systems, collaborating closely with the founders and engaging in hands-on development. You’ll Love Our Tech StackPython + LangGraph (for multi-agentic alert investigation)Rust (to ensure speed and correctness)ClickHouse (to manage high-volume events and investigation histories)AWS + Terraform (for self-building infrastructure)Next.js + TypeScript (for dynamic front-end experiences) What You’ll DoIn this pivotal role, you will oversee the systems that transform alerts into thorough investigations and RCAs. Your responsibilities will include:Designing and building the core alert, investigation, and RCA pipeline using PythonCrafting and implementing essential systems, such as:Alert ingestion and normalizationContext enrichment and correlationProblem framing outputsHypothesis orchestration engineInvestigation execution runtimeInvestigation artifacts and reportingLeading crucial architectural decisions to ensure the system is observable, auditable, and reliable from day oneCollaborating with founders to effectively deploy a select few high-value alert types before gradually expanding our capabilitiesDeveloping customer-ready integrations throughout the pipeline

Jan 30, 2026
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Mark43 logo
Full-time|On-site|United Kingdom

At Mark43, we are committed to revolutionizing the public safety sector by harnessing advanced technology to enhance community safety and overall quality of life. We are seeking a talented AI-Driven Software Engineer to join our innovative team. You will be instrumental in developing scalable and robust software solutions that empower first responders and public safety agencies.Our platform is already trusted by leading public safety organizations across North America, including major cities like Boston, Washington D.C., and Seattle. We are excited to announce our expansion into the UK, marking a significant milestone in our journey. Join us in transforming the way communities interact with their governments and ensuring safety through cutting-edge technology.

Oct 14, 2025
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XBOW logo
Full-time|Remote|Europe (Remote)

About XBOWJoin XBOW in shaping the future of offensive security. As attackers leverage AI to outpace defenders, we are committed to developing a platform that leads the charge in this critical arms race. Our innovative AI-driven system autonomously identifies, validates, and even exploits vulnerabilities, providing organizations with verified results in a matter of hours instead of weeks.Founded by Oege de Moor, the visionary behind GitHub Copilot and supported by prestigious investors including Sequoia and Altimeter, XBOW is addressing one of the most pressing challenges of our time using state-of-the-art AI technology. Within just a year, our AI, crafted by a premier team of AI specialists and elite security researchers, has revealed thousands of actual zero-day vulnerabilities in the software upon which billions depend, securing the top spot on HackerOne’s global leaderboard.We are a dynamic collective of builders, hackers, and researchers who relish tackling challenges deemed impossible. If you are eager to push the limits of AI, redefine security protocols, and be part of a pioneering team in this new era of defense, we want to hear from you.Your Role: Software Engineer - AI SystemsWe are in search of a Software Engineer with profound knowledge in large language model (LLM) prompting, orchestration, and software engineering. In this pivotal role, you will design and implement systems that synchronize LLMs with real-world tasks, enhancing the intelligence at the core of our platform. You will work closely with our AI, engineering, and security teams to devise innovative prompting strategies, construct orchestration layers, and deliver production-ready systems using TypeScript.This position is ideal for an individual who flourishes in a fast-paced, research-oriented setting and enjoys transforming nebulous concepts into robust, scalable solutions.What You Will DoDevelop LLM-powered software that performs effectively by designing prompt flows and orchestrations that ensure optimal performance without false positives.Architect and construct a production-grade AI-powered software stack that is testable and maintainable.Design and implement experiments and evaluation frameworks for comprehensive performance testing of the system at scale. Conduct data analysis to derive insights.Collaborate with the AI team, security experts, and both frontend and backend developers to create cohesive end-to-end systems that deliver value to customers.Take ownership of projects from inception and experimentation through deployment and production monitoring.Engage in ongoing research to enhance the capabilities of AI systems.

Mar 19, 2026
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PMG logo
Full-time|On-site|London, UK

Join PMG: A Leader in Marketing InnovationRecognized by Ad Age as one of the Best Places to Work for 11 consecutive years and awarded by Fast Company as a Best Workplace for Innovators since 2022, PMG stands as a global marketing services and technology company dedicated to inspiring people and brands to realize their full potential. Through our unique operating system, Alli, we integrate business strategy, creative solutions, and media insights to create transformative digital solutions and media strategies.With a diverse team of over 900 employees worldwide, we proudly partner with esteemed brands like Apple, Nike, Sephora, and many others, delivering impactful marketing campaigns across more than 85 countries.Your Role at PMGAs the Lead Software Engineer, you will be an integral part of our collaborative and innovative team. You will contribute to the development of Alli, a cloud-based suite of AI-driven tools that enhances digital marketing for some of the world’s leading brands. Last year, our platform enabled marketing campaigns that connected with over 1 billion consumers globally, achieving remarkable results for our clients.You will focus on one of Alli’s core pillars—Actions, Data, or Insights—working alongside cross-functional teams to tackle complex challenges and create scalable, AI-enhanced solutions. Your contributions will be pivotal in enhancing PMG’s platform, helping brands engage their audiences more effectively.At PMG, we are looking for innovators and problem-solvers who are ready to take on the challenges of tomorrow. Your work will not just stay in the realm of theory; it will directly impact the future of digital marketing.

Mar 18, 2026
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PhysicsX logo
Full-time|On-site|London

Join PhysicsX as a Senior Software Engineer specializing in our AI Workbench. In this pivotal role, you will lead the development of cutting-edge artificial intelligence solutions that empower our clients to harness the full potential of data and analytics. Your expertise will contribute to the design and implementation of scalable software architectures, ensuring robust performance and reliability. You will collaborate with cross-functional teams to define project requirements and engage in hands-on coding, code reviews, and mentoring junior engineers. If you are passionate about AI and eager to push the boundaries of technology, we want to hear from you!

Feb 25, 2026
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Kraken logo
Full-time|Remote|United Kingdom

Shape the Future of CryptocurrencyAt Kraken, our team of dedicated professionals is driven by a shared conviction in the transformative power of cryptocurrency and blockchain technology. We are committed to unlocking the full potential of these innovations.What Sets Us Apart?Kraken is a purpose-driven organization grounded in crypto principles. As a member of our team, you will contribute to our mission of fostering global cryptocurrency adoption, enabling financial freedom and inclusivity for all. Over the past decade, our unwavering commitment to our mission and crypto values has attracted some of the brightest minds in the industry.Before you submit your application, we encourage you to visit our Kraken Culture page to gain insights into our values and internal culture. Additionally, we expect candidates to familiarize themselves with the Kraken app. Learn how to create a Kraken account here.As a fully remote organization, we proudly employ Krakenites across over 70 countries, communicating in more than 50 languages. Our team members are industry trailblazers who design top-tier cryptocurrency products catering to seasoned traders, institutions, and newcomers alike. Kraken is resolute in its commitment to world-class security, crypto education, and exceptional client support through offerings such as Kraken Pro, Desktop, Wallet, and Kraken Futures.Join Kraken and Help Build the Future of Cryptocurrency!The TeamThe AI Infrastructure team is responsible for developing and maintaining the production systems that drive intelligent agents at scale. This team forms the backbone of the agent platform, enabling cutting-edge advancements in artificial intelligence.

Feb 24, 2026
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Watershed logo
Full-time|On-site|London

About WatershedWatershed is a premier enterprise sustainability platform utilized by leading organizations such as Airbnb, Carlyle Group, FedEx, Visa, and Dr. Martens. Our platform enables companies to effectively manage climate and ESG data, generate audit-ready metrics for both voluntary and regulatory reporting including CSRD, and facilitate substantial decarbonization efforts. We seek passionate individuals who are enthusiastic about product development, eager to contribute to a mission-driven startup, and willing to collaborate in shaping a vibrant team culture.With offices in San Francisco, New York, Denver, London, Paris, Berlin, Sydney, Mexico City, and a robust remote workforce across the US and Europe, we invite you to explore the opportunity to join our dynamic team!The RoleWe are on the lookout for a talented software engineer with a specialization in AI to become a key member of our sustainability AI reporting team. In this technical leadership role, you will assist in the creation of a cutting-edge AI tool that empowers companies to manage and report their sustainability progress. You will harness LLMs, embeddings, and various AI technologies to deliver innovative features to our customers while establishing the technical groundwork for AI at Watershed.This position requires being based in our London HQ four days a week.Your Responsibilities:Prototype, develop, and refine new product features for Watershed, empowering our customers with advanced AI tools for data extraction and report generation.Productionize and launch core technologies necessary for AI functionalities, leveraging extensive operational sustainability data.Engage with product and other AI engineering teams to define product and technical strategy.Stay informed about advancements and state-of-the-art developments in AI to assess relevance for Watershed.Write efficient, high-quality, tested, and maintainable code across our technical stack.Ideal Candidates Will Have:A minimum of 2 years of experience in building AI-powered products and 5+ years in software engineering.Proven experience in developing products utilizing LLMs, embeddings, and other machine learning technologies.Comprehensive experience with the lifecycle of building, deploying, and monitoring products that leverage LLMs, embeddings, or other machine learning technologies.

Aug 29, 2025
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Figma logo
Full-time|On-site|London, England

Join Figma as a Software Engineer focused on developing cutting-edge AI products. In this role, you will be part of a dynamic team that drives innovation and enhances user experiences through artificial intelligence. You will collaborate with product managers and designers to build sophisticated features that empower users to create and collaborate seamlessly.

Mar 27, 2026
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NexGen Cloud logo
Full-time|Remote|UK - Remote

This Senior Software Engineer role sits within the Software Engineering team at NexGen Cloud and reports to the Engineering Manager. The position is fully remote within the UK. What you will do As a Senior Software Engineer for AI Studio, the focus is on building and improving the systems that power a platform for fine-tuning, evaluating, and deploying generative AI workloads. The work includes designing and developing backend services, creating APIs, and developing user-facing features that enable model training, evaluation, and deployment. As demand for AI Studio grows, responsibilities will expand to support new features and increased scale. About NexGen Cloud NexGen Cloud develops Hyperstack, a full-stack AI cloud platform relied on by AI researchers and large enterprises. The company provides on-demand GPU infrastructure for teams that require high performance. Collaboration is central, with employees working together to address complex challenges in AI cloud infrastructure. AI tools are used throughout the organization to accelerate delivery and set high standards for enterprise GPU solutions.

Apr 23, 2026
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Flow Engineering logo
Full-time|On-site|London

About Flow EngineeringFlow Engineering is at the forefront of innovation, providing an AI-native requirements platform tailored for forward-thinking engineering organizations. Our mission is to empower hardware teams to seamlessly collaborate with AI agents, optimizing the design, validation, and evolution of intricate systems with unmatched efficiency and precision.Role OverviewWe are on the lookout for talented Software Engineers to engineer AI-driven features that enhance the way teams create, review, and oversee requirements. You will be instrumental in developing workflows for agentic systems and domain engineers, placing AI at the core of systems reasoning.This position merges the realms of AI, product management, and full-stack engineering, allowing you to transform concepts from initial prototypes into robust, observable features deployed in production.Your ResponsibilitiesDesign and implement AI-enhanced features, including assisted requirement drafting, consistency checks, impact analysis, and intelligent suggestions tailored for systems and domain engineers.Develop agentic workflows that enable systems and domain engineers to explore designs, simulate alterations, and validate requirements effectively.Evaluate and integrate advanced language models and related tools, focusing on reliability, latency, cost-effectiveness, and debuggability in live environments.Build and maintain essential infrastructure, including data pipelines, evaluation frameworks, and observability measures with appropriate safety protocols.Engage across the technology stack, from backend APIs to user interface integrations, ensuring the delivery of comprehensive AI solutions rather than isolated model endpoints.Collaborate with product teams and clients to pinpoint high-impact workflows, conduct experiments, and iterate swiftly based on user feedback.Your ProfileMinimum 3 years of experience in software development, with a strong focus on designing, testing, and operating scalable services within cloud environments.Hands-on experience with leading language model providers and technologies (e.g., OpenAI, Anthropic, Hugging Face, vector databases, retrieval-augmented generation patterns).Familiarity with prompt engineering, retrieval-augmented systems, evaluation techniques, and safety/guardrail methods.Proficient in evaluating trade-offs among various models, architectures, and deployment strategies, making informed decisions.Thrives in a dynamic, ownership-driven environment where experimentation and rapid iteration are commonplace.

May 1, 2026
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homey logo
Full-time|On-site|London, England, United Kingdom

About HomeyHomey is revolutionizing the notoriously slow and stressful process of moving home in the UK. As an established yet fast-growing company, we leverage cutting-edge technology to make property transactions quicker, more transparent, and efficient for all parties involved.Discover more at Homey.co.uk.The RoleWe are not seeking years of legacy experience; instead, we are in search of smart, adaptable, and ambitious engineers. Whether you are a recent graduate, a school leaver, or just starting your coding journey, we want to hear from you.At Homey, we value the ability to rapidly build solutions over memorizing every syntax rule. We are interested in "AI-Native" engineers—those who utilize LLMs, such as Claude Code, Grok, or GitHub Copilot, to enhance their coding capabilities and deliver high-quality code swiftly.ResponsibilitiesBuild & Iterate: Develop and enhance features that significantly influence the home buying and selling process.Leverage AI: Harness modern AI coding tools and LLMs to streamline your workflow, troubleshoot complex issues, and innovate new solutions.Problem Solve: Adopt a proactive approach to tasks from day one, demonstrating a "can-do" attitude—if you face a challenge, you will seek out the solution.Collaborate: Engage closely with a dynamic team that appreciates fresh perspectives and creative problem-solving.Who You AreEarly Career: You are a recent graduate, school leaver, or junior developer eager to grow.Tech Enthusiast: You actively use AI tools like Claude Code, Grok, or Cursorto enhance your projects.High Energy: You possess a "can-do" mindset where every task is important, and no challenge is insurmountable.Curious: You have a keen interest in how technology can transform traditional industries like real estate.BenefitsJoin an established company with the innovative spirit of a startup.Receive mentorship from experienced founders who embrace modern development practices.Contribute to solving a real-world problem affecting millions.Are you ready to shape the future of property transactions? Apply now with a link to your GitHub, a project you’ve developed using AI, or a brief note on why you are the ideal candidate for Homey.

Feb 19, 2026
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hyperexponential logo
Full-time|On-site|London

Join hyperexponential as a Lead Software EngineerAt hyperexponential, we are at the forefront of innovation, creating a groundbreaking AI-powered platform that transforms decision-making in the $7 trillion insurance industry. Our technology influences vital outcomes, from the successful launch of rockets into space to the efficient deployment of autonomous vehicles and the swift recovery of communities after disasters.For too long, insurers have relied on outdated tools to make multi-billion dollar decisions. We are revolutionizing this landscape. Our platform seamlessly integrates data, AI, and expertise, providing insurers with a rapid pathway from submission to decision, empowering them to act with agility, intelligence, and confidence.With backing from esteemed investors like a16z, Highland Europe, and Battery Ventures, we are expanding our global footprint and have earned the trust of nearly 50 of the world’s largest insurers, boasting zero churn and billions in premiums flowing through our platform.What began as a singular product in one market has swiftly evolved into a comprehensive, multi-product platform that supports every aspect of pricing and underwriting. AI is embedded in our core operations, from developing the world’s first domain-specific AI peer programmer for insurance to innovating workflows that redefine industry standards.At hyperexponential, our strength lies in our people. Here, your impact is not determined by your title or tenure, but by the challenges you embrace and the discipline you exemplify. Surrounded by a team that pushes boundaries, you will engage in the most meaningful work of your career in an environment built to thrive.If this resonates with you, we invite you to join us in shaping the future.About the hxAI TeamAt hx, AI is not an accessory; it is integral to our mission. We are transforming the insurance software landscape through generative AI. Our team merges advanced LLM technology with deep industry knowledge to tackle challenges that others overlook.Currently, we are focused on two flagship products: a powerful ingestion engine that converts unstructured insurance documents into actionable insights, and our flagship offering, an AI peer-programmer embedded in a custom IDE, revolutionizing how actuaries and underwriters model risk and make critical financial decisions.This is applied AI that delivers tangible results. As a Lead Software Engineer, you will be part of an agile, high-ownership team that drives innovation and directly influences how AI reshapes the industry.

Mar 25, 2026
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Checkout.com logo
Full-time|On-site|London

About Checkout.com Checkout.com provides advanced payment solutions to businesses worldwide. Our platform supports online transactions for companies like eBay, ASOS, Klarna, Uber Eats, and Sony. We focus on making digital payments seamless so clients can grow their businesses while we manage the technical complexity. Headquartered in London, Checkout.com operates from 19 offices across six continents. Our teams work together to drive innovation in fintech and deliver results in a performance-oriented setting. Role Overview: Software Engineer – AI Centre of Excellence The AI Centre of Excellence at Checkout.com is looking for a Software Engineer with a strong interest in AI-driven product development. This role suits someone who enjoys building new solutions and collaborating with others to solve complex challenges. What You Will Do Develop and iterate on Generative AI solutions to support teams across the company’s product portfolio. Work closely with cross-functional groups to design AI features that improve product performance and streamline business processes. Apply customer-focused thinking to every stage of solution design and implementation. Use coding agents and other AI tools to enhance the impact of your work. Who We’re Looking For Experience building or refining AI solutions, ideally in a collaborative engineering environment. Comfort working on projects that span multiple teams and functions. An interest in fintech and a drive to improve how businesses use technology. This position is based in London.

Apr 16, 2026

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