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    Senior ML Runtime Engineer: Rust Inference & AI Accelerators

    A cutting-edge AI company is seeking a Senior ML Runtime Engineer in London or Bristol. In this role, you will integrate innovative AI acceleration hardware with leading projects like PyTorch and vLLM, and develop a high-performance Rust runtime. The ideal candidate will have 5+ years of experience in ML softwar ...

    Senior Principal AI Engineer: Client‑Facing Solutions Architect

    Expleo Group is looking for an experienced Senior Principal AI Engineer in Greater London to design, build, and deliver production-grade AI solutions. The role involves technical leadership, client engagement, and applying best practices in responsible AI delivery. Ideal candidates will have strong AI engineerin ...

    Senior LLM Engineer Client Facing AI Architect

    Leute Passen Technologies is seeking a Senior AIML Engineer to design and implement AI solutions in a hybrid role based in London. You will architect advanced LLM systems, lead client engagement, and mentor junior staff. Candidates should have over 6 years of experience in data science or AI, with hands-on exper ...

    VP, Senior Quant Analyst — Credit/Hybrid Trading

    Banco Santander SA is seeking a VP, Senior Quantitative Analyst in London. This role focuses on developing pricing and risk models for credit trading and involves enhancing quantitative libraries. Candidates should have strong C++ and Python skills along with experience in credit and hybrid products. A higher de ...

    Senior Backend Engineer – Cloud, AI, & Scalable Systems

    Vista Global Holding Limited is looking for a Senior Software Engineer in Greater London to design and maintain critical backend systems. The role requires 6+ years of experience, proficiency in Java, Python, Node.js, and APIs. Applicants should hold a Bachelor's degree in a technical field and have experience w ...

    Senior Analytics Lead & Data Science Coach

    PRS for Music is seeking a Senior Data Analyst to manage analytics projects and mentor a team. In this role, you will provide data insights to influence business decisions, support self-serve analytics initiatives, and collaborate with various stakeholders. The ideal candidate should exhibit strong skills in SQL ...

    Senior Applied Data Scientist: Flexible ML & A/B Testing

    dunnhumby is seeking a Senior Applied Data Scientist in Greater London to lead complex data science projects. The role involves collaborating with Tesco UK, utilizing expertise in Python and SQL to deliver impactful insights. Candidates should have strong experience applying data science techniques to business c ...

    Senior Fullstack Engineer — AI‑Driven Internal Tools (Remote)

    PC Games Insider is seeking a Senior Software Engineer in Greater London to build and enhance their internal back office platform. The ideal candidate brings over 5 years of engineering experience, strong skills in Python and frontend technologies like Vue, and a passion for AI and automation. This role requires ...

    Senior AI Architect — Enterprise Platform AI

    Avolution in Greater London is seeking a Senior AI Engineer to drive the development of a next-generation AI-powered Enterprise Architecture platform. The role involves AI architecture design, building LLM-powered systems, and integrating enterprise systems. With 6+ years in ML engineering and strong Python expe ...

    London based Senior Software Engineer – FinTech Platform

    Barclays seeks a Senior Software Engineer in London to design and build scalable C# (.NET/.NET Core) and Python calculation engines. The role involves developing data models in SQL Server, delivering low-latency REST APIs, and collaborating with stakeholders for accurate billing outputs. Ideal candidates will ha ...

    Senior Data Scientist & GenAI Architect

    Saragoça da Matta & Silveiro de Barros - Sociedade de Advogados, R.L. is looking for a Lead Data Scientist to define and deliver data and AI-enabled products across legal and business services in Greater London. This senior role involves technical strategy, stakeholder engagement, and mentoring teams. The ideal ...

    Applied AI Engineer Consultant — Production Grade AI Solutions

    EY is seeking a Senior Consultant – Applied AI Engineer to work in a hybrid model across major UK cities including London, Manchester, and Edinburgh. The role involves designing AI capabilities and collaborating with stakeholders to integrate and implement solutions for financial institutions. Candidates with st ...

    Senior AI Solutions Engineer — Adoption & Automation

    Plentific is looking for a Senior AI Solutions Engineer in Greater London to drive the adoption of AI across teams. You will work closely with various departments to identify automation opportunities, build robust AI solutions using platforms like n8n and Zapier, and conduct training sessions to raise AI literac ...

    Senior Software Engineer AI for Mental Health London/NYC

    Slingshot AI is seeking a Senior Software Engineer to join their London team, focusing on building systems that enhance the user experience of Ash, the first AI designed for mental health. You will be responsible for full lifecycle development across Python and Kotlin, working in a collaborative, high-growth env ...

    Senior Analytics Leader, Risk & Strategy

    McGregor Boyall is seeking a Senior Manager - Advanced Analytics in the Greater London area. This hybrid role is geared towards leading a central analytics capability within a prominent financial services organization. The ideal candidate will manage a team of analytics professionals, ensuring delivery of advanc ...

    AI Driven Data Architect for Scalable Lakehouse

    Kindred Group plc is seeking a Senior Data Architect to lead the modernization of their A&I data platform architecture in Greater London. This role involves designing cloud-based solutions and optimizing cost and performance while driving automation and innovation in data architectures. Candidates should have pr ...

    Principal AI Architect & VP — Hybrid, Scale AI Solutions

    Citibank (Switzerland) AG in Greater London is seeking a Principal AI Software Engineer, Senior Vice President, to architect scalable backend systems for AI tools. The role demands advanced Python and FastAPI knowledge and includes responsibilities like driving AI initiatives and collaborating with cross-functio ...

    Senior Software Engineer — Scale NeuroSymbolic AI APIs

    Jack & Jill, a pioneering neurosymbolic AI startup in Greater London, is seeking a Senior Software Engineer to design and develop a public API infrastructure. You will collaborate with industry veterans to merge LLMs with symbolic reasoning technology, addressing fundamental challenges in AI. The ideal candidate ...

    Senior EMS/OMS Engineer Low Latency Trading Platform

    Cititec is looking for a Senior Software Engineer to join their team in London on a 6-month contract paying approximately £950 per day. The role involves building execution and order management systems for global commodities trading, with responsibilities across design, implementation, and collaboration with tra ...

    Senior Software Engineer AI Code Ranking (Remote)

    Alignerr is seeking senior-level software engineers based in London for a remote role focused on evaluating and ranking AI-generated code. Candidates should have over 5 years of experience, proficiency in at least two programming languages such as Python or JavaScript, and a strong understanding of software engi ...

    Senior Data Engineer AWS, Snowflake & Terraform

    Lendable is seeking a Senior Software Engineer (Data) to enhance and scale its data infrastructure in Greater London. The role involves developing tooling, maintaining AWS and Snowflake data solutions, and implementing security best practices. Ideal candidates will have strong software development skills, partic ...

    Senior Full Stack Engineer (Backend & Data) Finance

    Conquer AI is hiring a Senior Full Stack Engineer in Greater London. This role involves building and evolving workflow platforms and designing APIs. The ideal candidate has over 8 years of experience, strong skills in Python and SQL, and a background in financial services. You will work closely with stakeholders ...

    Senior Data Scientist: Pricing & ML Innovation (Hybrid)

    Hastings Direct is seeking a Senior Data Scientist to work in a hybrid environment across Bexhill, Leicester, and London. The role involves building ML and GLM models, contributing to price optimization development, and working collaboratively with various teams. The ideal candidate will have experience in prici ...

    Senior CIAM & Security Engineer Cloud & IAM

    Barclays is seeking a Senior Security Engineer for CIAM to develop and maintain security solutions. You will transform the digital platform ensuring a customer-centered experience, collaborating with technical teams. Key responsibilities include safeguarding sensitive data, implementing security protocols, and m ...

    Senior Quant Platform Lead Greenfield Trading System

    Jobs via eFinancialCareers is seeking a senior Quant Product / Platform Development Lead in Greater London to build a new systematic commodities trading capability, specifically focusing on Copper. The role involves end-to-end platform development, system architecture, and collaboration with traders and quants. ...

    Senior Data Platform Lead — AWS Expert

    Rail Delivery Group is seeking a Data Engineering Lead in Greater London. The role involves providing senior technical leadership for the AWS-based data platform, guiding major technical decisions, and mentoring data engineers. Candidates should possess proven experience with large datasets, proficient in Python ...

    Senior Software Engineer Finance Trading Platform (London)

    SoCode Recruitment is seeking a Contract Senior Software Engineer to join a private equity firm in London for up to 6 months. The successful candidate will develop and support P&L and accounting applications, manage data exchanges, and collaborate with financial teams. You'll need 8+ years of experience in Pytho ...

    Senior Data Science Consultant | Driving AI & Business Impact

    A dynamic consulting firm in Greater London is seeking a Senior Consultant in Data Science. This role involves delivering advanced analytics and digital product solutions while leading defined workstreams. The ideal candidate will have over 4 years of experience in data science, demonstrating strong skills in Py ...

    Application Support & Developer

    A leading London law firm is seeking an Application Support/Developer to be responsible for the support for the administration and optimisation of the businesses databases. They will also be required to support key applications including the firm's Case Management System (Inprotech), Document Management System ( ...

    Trading Support Engineer Ultra Low Latency Trading Platform Up to £75k + Bonus

    Trading Support Engineer - Ultra Low Latency Trading Platform - Up to £75k + Bonus Support the biggest names in FX and Equity trading on the fastest proprietary OTC trading platform in the world today. You'll directly interact with Traders to ...

    Principal Cloud/AI Engineer

    Get AI-powered advice on this job and more exclusive features. This range is provided by SoCode Recruitment. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from SoCode Recruitment ...

    Fire & Security Service Engineer

    3 weeks ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Marlowe Fire & Security Group Recruitment provided pay range This range is provided by Marlowe Fire & Security Group Recruitment. Your actual pay will be based on your skills and ...

    eDV Cleared Software Engineer

    Role: Software EngineerLocation: Gloucestershire / Manchester / LondonSalary: £60k to £120k + bonus + benefitsClearance: UK*C DV We are partnering with a global leader in National Security to hire Engineers at Senior to Lead levels to join their growing ...

    Full Stack developer, Software Product (AI)

    About Nothing Nothing exists to make tech feel exciting again. We’re building a different kind of technology company, one that puts design, emotion, and human creativity at the heart of everything we do. From the way our products look and feel to how we communicate and show up in culture, we beli ...

    Associate Software Developer (C++)

    City Of London, England, United Kingdom Associate Software Developer (C++) - FlexTrade FlexTrade Systems is a provider of customized multi-asset execution and order management trading solutions for buy‑and‑sell side financial institutions. Through deep client partnerships with some of the ...

    Senior DevOps Engineer

    Senior DevOps Engineer London / Hybrid 3 days per week Salary: £80,000 - £90,000 We're building a modern technology platform that applies data engineering and AI to a problem with real global consequence: proving trust and t ...

    Developer Relations Engineer Android & Google Play Games

    A leading global technology company is seeking a Developer Relations Engineer to engage with developer communities and advocate for developer interests. You will solve technical problems, lead workshops, and collaborate with product engineering teams to enhance user experience for gaming on Android. Candidates s ...

    AI & Automation Manager

    AI & Automation Manager Birmingham - Hybrid Are you an experienced RPA Developer or Solution Architect ready to take the next step into a strategic leadership role? We’re working with a leading UK consultancy that’s expanding its AI & Automation practice, delivering intell ...

    Senior Associate, Accounts Open to Part Time

    Senior Associate, Accounts - Open to Part Time Join to apply for the Senior Associate, Accounts - Open to Part Time role at Gravita Senior Associate, Accounts - Open to Part Time 1 week ago Be among the first 25 applicants Join to apply for t ...

    SC Cleared Power Platform Engineer Hybrid

    A leading tech consultancy in the UK is seeking a Power Platform Developer to support the delivery of a new Power Platform-based digital service within a government environment. The ideal candidate will have strong hands-on experience with the Microsoft Power Platform and proven capabilities in Agile settings. R ...

    Remote Cross Platform Mobile App Developer for Exam Prep

    A leading training centre is seeking an experienced application developer to create a comprehensive exam revision app for gas and renewable engineers in the UK. This remote, project‑based role involves developing mobile applications, understanding educational tech, and delivering user-friendly solutions. Respons ...

    Senior Fullstack Engineer

    Overview Lavanda is a B2B software company. We’ve developed an award-winning, best-in-class SaaS platform that enables Multifamily and Student accommodation operators to optimise their portfolios with a comprehensive short and medium-term rental solution. Our software toolkit enables partne ...

    Software Engineer II QuantumBlack Labs

    Software Engineer II - QuantumBlack Labs Join to apply for the Software Engineer II - QuantumBlack Labs role at QuantumBlack, AI by McKinsey . Your Impact You will be part of QuantumBlack Labs and work in a team of software engineers, product managers, data scient ...

    Senior Software Engineer

    | Recruitment Consultant at Experis | Connecting the Top UK Talent with Leading Firms | Role: Senior Software Engineer Duration: 6 Months – Potential of 2+ Years worth of work Location: Sheffield / Birmingham / Edinburgh – 60% Hybrid ...

    Principal Engineer

    2 days ago Be among the first 25 applicants This range is provided by numi. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Overview numi is proud to have partnered with a multiple award-winning, high-growth fintech company. We ha ...

    Software Consultant (Data Collection & Automation)

    Software Consultant (Data Collection & Automation) Location: Bath – Hybrid Set-up Contract / Employment type: Short term Contract – Part-time (possibility for extensions) About Ovyo: Ovyo works globally with companies in the TV & Media industries including ...

    Full Stack Node.js/React Developer Fintech Innovation Team

    Overview Full Stack Node.js/React Developer - FinTech Innovation Team Join a regulated FinTech transforming global payments. Shape the future of financial services as part of a new strategic team backed by Banking Circle’s international payment rails. We’re transforming how business ...

    Senior Consultant AI Platform Deployment Engineer

    Senior Consultant - AI Platform Deployment Engineer | Permanent | Fully onsite Salary: Up to £85,250 Hybrid Model: 5 days on-site (for the first 6-months), the role will become nearly fully remote after the initial client project. Role Location: < ...

    Senior Software Engineer

    We're hugely excited to be recruiting exclusively for a Senior Software Engineer, to join a Start Up-style team within a global, data-driven organisation. Think fast moving, big budget, heaps of autonomy, and a breakaway type of culture that is committed to pushing technical boundaries. No slow processes & re ...

    Senior Insight Analyst – FinTech

    Senior Insight Analyst position at a rapid growth Fintech company, founded by senior executives from a Tech Unicorn, and also backed by some of their original investors. An opportunity to work alongside some of the most influential Tech founders in the UK. You will work closely with Senior leaders from ...

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      Senior Python Developer Pythonawsreact London Tech Jobs in United Kingdom Job Search Guide, Trends and Insights