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    Full Stack Engineer: Build Impactful Features & Grow Fast

    Deepstreamtech is building a talent pool for future software engineers to join their team in Greater London. Successful candidates will impact meaningful projects from day one, working closely with diverse teams to develop features that delight customers. The role requires skills in JavaScript and Python, with a ...

    Senior Cloud Security Engineer Zero Trust & Secure CI/CD

    Deepstreamtech is seeking a highly experienced Cloud Security Engineer in Greater London to join their dynamic security team. This role involves building and maintaining secure and scalable infrastructure, ensuring security is embedded in development workflows, and applying zero trust principles. Candidates shou ...

    Lead Data Science & Market Insights Manager

    Resources Group is seeking a Data Science Manager in Greater London to lead data science initiatives for market research and insights projects. The ideal candidate will apply advanced analytics techniques, collaborate with cross-functional teams, and manage a team of data scientists. Proficiency in Python and R, ...

    Senior Applied Scientist – Brand Safety & ML Systems

    Amazon is seeking a Sr. Applied Scientist in Brand Safety in London, United Kingdom. The ideal candidate should have expertise in programming languages, including Java and Python, along with experience in machine learning and optimization. This full-time position offers competitive compensation and requires a so ...

    Customer Data Science Lead – GenAI & Delivery

    Xpand Group is looking for a Customer Data Science Manager in London (Hybrid). The role involves leading customer data science projects, driving delivery and outcomes while engaging in analytical work. Required qualifications include strong experience in customer analytics, advanced Python and SQL skills, and pr ...

    Gen AI Engineer: Production LLMs & RAG (London)

    A leading firm in Financial Services is seeking an AI Engineer for a 6-month contract with potential extensions. The role involves hands-on implementation of Gen AI solutions, optimizing models, and collaborating with cross-functional teams. Candidates should have experience in financial services and a strong ba ...

    Remote Crypto Research Analyst Data & DeFi Insights

    A leading cryptocurrency research firm in Greater London seeks a research analyst to conduct in-depth research on blockchain and DeFi trends. The successful candidate will perform data analysis, compile reports, and liaise with external partners. Candidates must have at least 2 years of relevant experience, stro ...

    Director of Options Trading, Global Equity Derivatives

    A leading financial institution in London is looking for a Director, Options Trader for its Global Equity Derivatives team. This role involves managing market risks and requires deep expertise in equity derivatives and structured products. Candidates should have a strong academic background in Finance or Mathema ...

    Graduate Quantitative Engineer: Shape Investment Tech

    A leading financial institution in Greater London is seeking a graduate to join their investment technology group. The role involves developing internal technology, building data pipelines, and creating analytics tools that enhance decision-making. Candidates should have a strong academic background in relevant ...

    Gen‑AI Data Scientist — Hybrid, Strategic Analytics

    A leading telecommunications company in Greater London seeks a Data Scientist to apply advanced data science and machine learning techniques. The role involves creating AI frameworks, driving technology decisions, and collaborating on innovative projects leveraging data analytics. Ideal candidates will have a gr ...

    Senior Platform Test Engineer for ML & Cloud

    A leading tech company in the UK is seeking an experienced software engineer to design and build high-performance tools for validating ML data pipelines. The role includes developing test solutions and automation frameworks while mentoring junior engineers. Ideal candidates will have 8+ years of experience in so ...

    Data Scientist ML Lifecycle & Production | Hybrid London

    develop is seeking a Data Scientist in London to design, build, and deploy machine learning solutions. This hybrid role involves working closely with technical teams and business stakeholders to deliver impactful data solutions across regulated industries. Candidates should have strong Python skills, experience ...

    AI Platform Lead Engineer: NLQ & Multi Agent Systems

    J.P. MORGAN is seeking a Lead Software Engineer for AI in London. This Vice President role involves leading generative AI deployments and mentoring engineers in software engineering and data science. Ideal candidates have a degree in Computer Science or a related field, strong Python and AWS experience, and are ...

    Lead Software Engineer AI & Data Pipelines (Hybrid/Remote)

    Applied Data Science Partners is seeking a Lead Software Engineer in Greater London to drive technical project delivery and guide teams from concept to deployment. The role involves building high-quality data engineering solutions and developing client relationships. Candidates should have extensive experience i ...

    Quant Finance Data Scientist — Research & Big Data (London)

    A quantitative finance research firm in Greater London is seeking a skilled Data Scientist to structure complex financial data. You will collaborate closely with researchers and engineers to analyze and integrate third-party datasets into the research platform. The ideal candidate will have strong academic crede ...

    Data Scientist – Postnatal Health (Flexible, Fixed‑Term)

    A healthcare innovation company seeks a Data Scientist on a fixed-term part-time contract to work with real-world NHS data. You will lead feasibility studies, ensuring high data quality and applying statistical methods for postnatal health conditions. Candidates should be proficient in Python or R and possess ha ...

    Remote ML Research Engineer: Simulation & Multi Agent AI

    Aeris-UK, an applied AI company based in Greater London, is looking for an ML Research Engineer to develop and optimize simulation environments for training machine learning models. The ideal candidate has a Master’s in Computer Science or similar, strong programming skills in Python, and experience in machine l ...

    Full‑Stack Product Engineer, Internal Tools

    CuspAI is hiring a Product / Full Stack Engineer based in the UK to lead the development of internal applications that streamline proprietary workflows. The ideal candidate has at least 4 years of experience in full-stack software engineering, strong expertise in Python and Node.js, and a passion for enabling gr ...

    GenAI Data Science Consultant — Impact & Value Driver

    DeepRec.ai is seeking a Data Scientist for a hybrid role in London. You will deliver end-to-end Data Science and Generative AI solutions, translate complex AI outputs into business insights, and mentor junior consultants. This role demands strong Python and Machine Learning skills, experience across the Data Sci ...

    Applied Scientist — AI for Real World Legal & Risk (Hybrid)

    Thomson Reuters is looking for an Applied Scientist to join their AI Research & Development team. The successful candidate will develop and implement machine learning solutions to address complex business challenges across legal, tax, and regulatory domains. Candidates should have a PhD or Master’s in Computer S ...

    Analytics Lead: Financial Services & Property

    A leading recruitment agency in London is seeking an Analytics Manager to lead client-facing analytics projects in the financial services sector. The ideal candidate will have 5–7 years of experience in analytics, strong technical skills in SQL, Python, and Excel, and a proven ability to mentor analysts. This ro ...

    LLM Data Scientist — Shape AI in Personalisation & SEO

    Holland & Barrett is seeking an LLM Data Scientist to enhance their digital capabilities. This role involves designing and optimizing LLM applications that improve user experience and content delivery. Key tasks include building evaluation frameworks, collaborating with data engineers, and ensuring content relev ...

    Ads ML Engineer — Real Time Personalisation at Scale

    An innovative technology company in London is seeking a Machine Learning Engineer to enhance their advertising products. The ideal candidate will have significant experience in Python coding and machine learning fundamentals, focusing on the end-to-end lifecycle of ML models in a hybrid work environment. Collabo ...

    Senior AI & Data Consultant | Full Stack Engineer

    Data Organisation Demonstratable interest and awareness in emerging technologies Hands-on coding experience with SQL, Python or Scala What We Look For We are looking for highly motivated individuals who are passionate about Data and Analytics and want to assist... </ ...

    Infrastructure Engineer Cloud, DevOps & Automation

    An established investment management firm based in London's West End is seeking a versatile Infrastructure Engineer to support cloud platforms and internal tooling. The role includes maintaining AWS infrastructure, enhancing CI/CD pipelines, and developing tools in C#/.NET and Python. Candidates should have expe ...

    Senior Media Quality Applied Research Engineer (Remote)

    Spotify is seeking an experienced media technology researcher and engineer to join our London team. In this role, you will work on audio and video signal processing and integrate prototypes into real-world applications. Ideal candidates should have over 8 years of relevant experience, strong knowledge of signal ...

    High‑Touch Quant Execution Trader

    Anson McCade is seeking a Trader to join their Quant Execution Analytics team in Greater London. The ideal candidate will have 1-4 years of experience in a High-Touch execution role. Responsibilities include collaborating with strategists, collecting market intelligence, and reviewing transaction costs. Required ...

    AI Driven Data Scientist for Financial Analytics

    Macquarie Group is seeking a Data Scientist with over 4 years of experience in financial institutions. You will leverage advanced analytics and AI to drive business impact across private market divisions. Duties include tackling complex challenges, automating data extraction, and collaborating within an agile te ...

    Lead Data Scientist — ESG & LLM Solutions

    JPMorganChase in the City of London is seeking a Data Scientist to design and implement ML solutions to enhance investment processes and client experiences. This role requires expertise in NLP, machine learning, and Python programming. The selected candidate will collaborate with stakeholders and engineering tea ...

    Client‑Facing Data & AI Engineer — Hybrid (London)

    Anson McCade is seeking early-career engineers for a hybrid client-facing role focused on delivering data and AI solutions. You will build data workflows, develop user applications, and support data architecture design. Strong Python and SQL skills are essential, along with good communication abilities for direc ...

    Backend Engineer, Global Shared Finances

    Wise, a global technology company, is seeking a Backend Engineer for their Account Sharing team. The role focuses on designing and building new products in shared finances, including international joint accounts. Ideal candidates should be proficient in backend programming languages like Java, Kotlin, and Python ...

    Staff Software Engineer — Streaming Platform

    Checkout.com is looking for an ambitious Staff Data Engineer in Greater London to join our Data and AI Platform Team. The successful candidate will work with technologies like Kafka and Flink to build a scalable event streaming platform to support various engineering teams. Responsibilities include mentoring, im ...

    Quantitative Trading Analyst: Research & Analytics

    Maven Securities, a leading proprietary trading firm in London, is seeking a professional to develop advanced analytics infrastructure and conduct quantitative strategy research. The successful candidate will have 2–5 years of experience in a Hedge Fund or Proprietary Trading Firm, possess strong Python and SQL ...

    Equities Execution & Algo Product Strategist

    JPMorgan Chase is seeking a Vice President in London to join their Electronic Trading Solutions group. The role involves analyzing and enhancing algorithmic trading products while delivering bespoke solutions to clients. Candidates should possess significant experience in Algorithmic Trading, strong technical an ...

    ML Engineer II: Build Scalable AI for Travel Solutions

    A leading business travel company is seeking a Machine Learning Engineer II to join their Product AI Engineering team. This role involves designing, building, and optimizing intelligent systems using cutting-edge AI techniques. Candidates should have over 6 years of experience with a bachelor's or equivalent. Fa ...

    Principal ML Engineer — Sports AI & Personalisation

    5V Video in West London is seeking a Principal Machine Learning Engineer for a freelance 6-month contract. This role involves shaping large-scale ML systems for live sports, focusing on real-time insights, low-latency inference systems, and cloud-native AI platforms. Ideal candidates will have strong ML experien ...

    Data Scientist, Strategy & Execution Scale Insights

    Spotify is looking for a Data Scientist to join their Company Planning and Execution team, located in London or Stockholm. The role involves analyzing large datasets to provide actionable insights, building data models, and collaborating with cross-functional teams. The ideal candidate will have expertise in SQL ...

    Remote Technical Lead AI Data Infrastructure

    Prolific is seeking a Technical Lead in Greater London to drive technical excellence within the Enterprise Experience Team. You will oversee key projects, mentor engineers, and influence technical direction, bringing extensive experience in areas like Python and cloud platforms (AWS, GCP). Join us for a competit ...

    Senior Real Time Microscopy Software Engineer

    Convergent Research, LLC seeks an entrepreneurial Software Engineer to own the software systems for their multi-photon microscopy platform. The role involves maintaining and extending MATLAB-based software, collaborating closely with FPGA engineers and experimental neuroscientists. Candidates should have experie ...

    Senior Platform Engineer Cloud, Kubernetes & CI/CD (Remote)

    PolyAI is seeking a highly skilled Cloud Engineer in Greater London to deliver reliable and scalable infrastructure. Successful candidates will have over 5 years of experience, strong Python programming skills, and hands-on expertise with cloud environments (AWS/Azure). This role focuses on automation, cost-effi ...

    Lead Software & Platform Engineer: Cloud, AI & Data

    A global financial markets infrastructure provider in London is looking for a Lead Product Engineer. This role requires technical leadership and expertise in data engineering, particularly with AWS and Snowflake. Responsibilities include mentoring teams, designing cloud-based solutions, and leading AI integratio ...

    Front Office Trading Data Engineer

    A leading oil and gas trading business is seeking a Front Office Trading Analyst. This role involves collaborating with traders and market analysts to enhance data infrastructure and support decision-making. Candidates should have strong Python proficiency and advanced SQL skills, along with experience in data e ...

    End to End ML Engineer: Deploy & Monitor Live Systems

    Free-Work UK is hiring a Machine Learning Engineer to design and maintain live operational systems. In this role, you will handle critical machine learning applications, ensuring reliability and scalability throughout the ML lifecycle. Candidates should have deployment experience, a strong software engineering b ...

    Senior Software Engineer — Fintech Platform (Remote)

    A leading fintech company in London is looking for an experienced Software Engineer to join their innovative team. You will solve complex coding challenges, contribute to significant product designs, and collaborate within a cross-functional team. Ideal candidates have over 7 years of software engineering experi ...

    Production ML Engineer: Scale Personalization Impact & Equity

    A forward-thinking tech startup in Greater London seeks an experienced Machine Learning Engineer to develop robust ML systems for retail. Your key responsibilities will include designing production-grade infrastructure and collaborating with researchers on model implementation. Applicants should have 3–5+ years ...

    ML Engineer II — AI for Travel Tech (Manchester)

    A leading global business travel company seeks a Machine Learning Engineer II in Manchester. The role involves designing, building, and optimizing AI systems for business impacts. Candidates should have robust experience in AI techniques, statistical modeling, and strong coding skills in Python. The company offe ...

    Measurement & Analytics Lead — Global Impact (Remote)

    A global communications agency in Greater London is seeking a skilled individual to support data analysis and evaluate marketing initiatives. The role involves conducting various analyses to measure campaign effectiveness and applying econometric techniques. Candidates should have knowledge in data science conce ...

    Senior Full Stack AI Engineer for Healthcare

    Heidi is seeking an Engineer to develop AI features that aid clinicians in delivering care. The ideal candidate will have a medical degree and clinical experience, as well as proficiency in Python and modern frontend frameworks like React. Responsibilities will include building full-stack AI solutions and operat ...

    Delivery Solutions Architect: Drive Growth & Technical Lead

    A leading data and AI company in the UK is seeking a Delivery Solutions Architect to engage with key customers, driving platform adoption and success. In this hybrid role, you will lead technical strategy and build relationships across multiple stakeholders. Candidates should have 5+ years of relevant experience ...

    Senior ML Engineer — Real Time AI Pricing (Remote)

    Hopper is looking for a Software Engineer to join their Fintech Foundation team in Greater London. This role involves designing and implementing machine learning systems that power Hopper's pricing engine, directly impacting revenue and customer experience. The ideal candidate will have 5+ years of experience, p ...

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