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    Associate Backend Engineer Scalable Search for 1M+ Users

    Depop is seeking an Associate Backend Software Engineer to join the Search Retrieval team in London. You will work closely with Product Managers and Data Scientists, producing high-quality code for over 1 million active users daily. The role requires excellent communication skills, a strong sense of ownership, a ...

    Senior AI Native Engineer — Frontline Client Delivery

    Indicium Tech is seeking a Forward Deployed Software Engineer to join their team in Greater London. You will lead engagements that revolutionize how enterprises build software, embedding AI native development at every stage. The ideal candidate has at least 5 years of experience in software engineering, a solid ...

    Data Engineering Lead — Build Scalable Data Platforms

    9fin is seeking a Data Engineering Lead to enhance its data engineering capabilities. This role involves defining operational models, improving platform reliability, and leading a team of data engineers. The ideal candidate possesses strong technical skills in Python, SQL, and cloud environments like AWS and GCP ...

    Lead Quantitative Trading & Research – Credit Portfolio VP

    JPMorganChase is seeking a Quantitative Trading & Research professional to design and develop a Monte Carlo simulation engine for risk management. The ideal candidate will have a strong quantitative background, expert-level programming skills in Python, and the ability to lead technical projects. Responsibilitie ...

    SRE Engineer: Privacy Preserving Private Cloud

    APPLE is seeking a passionate SRE Engineer to enhance privacy-preserving cloud infrastructure at scale. This role involves deploying and monitoring services, improving system performance, and collaborating with a dynamic SRE team. Candidates should have a solid background in distributed systems, proficiency in p ...

    Azure Data Architect (Databricks) – DeltaLake & Pipelines

    Capco is hiring a Principal Azure Data Engineer in London to lead the architecture and delivery of enterprise-grade data solutions using Databricks. You'll work in a hybrid role, guiding cross-functional teams to modernize clients' data capabilities. Ideal candidates will have proven experience with Databricks, ...

    Impact AI/ML Engineer — Hybrid London, SC Clearance

    iO Associates is seeking an AI/ML Engineer for a hybrid role in London, offering a salary between £100k and £140k, dependent on experience. The ideal candidate will have a strong software engineering background and a passion for turning complex customer problems into impactful solutions. You'll be responsible fo ...

    GPU Performance Optimization Engineer

    A leading technology company in the United Kingdom is seeking a GPU Performance Analysis Engineer. This role focuses on developing and validating performance test plans for GPUs, analyzing performance issues, and collaborating with engineers to identify solutions. The ideal candidate will have strong skills in h ...

    Real Estate Data Scientist & Econometrician London

    Knight Frank Group is seeking an Econometrician / Data Scientist for a 6 month fixed-term contract at their Baker Street office in London. The role focuses on applying advanced econometric and data science techniques to real estate modelling and analysis. Candidates should have a strong background in Python, alo ...

    VP AI Engineering: Generative & NLQ Systems Lead

    JPMorgan Chase is seeking a Lead Software Engineer for AI in Risk Technology based in Greater London. This Vice President role involves driving AI initiatives, developing NLQ solutions, and mentoring engineers while collaborating with data science and product teams. The candidate should possess a solid backgroun ...

    Lead Product Data Scientist Operations Decision Systems

    British Airways is looking for a Principal Product Data Scientist in London. You will join the Operations Delivery Intelligence directorate, focusing on creating decision-support software using advanced machine learning techniques. The ideal candidate will have a master's degree or extensive experience in data s ...

    Senior ML Engineer: Generative AI & Production Pipelines

    DNEG in Greater London is seeking a Machine Learning Engineer to help build cutting-edge generative systems for video and audio synthesis. The ideal candidate will have experience deploying ML systems, a strong understanding of deep learning, and proficiency in Python. You will work cross-functionally with resea ...

    Senior GenAI Scientist Generative Cellular Modelling

    Relation in Greater London is hiring a Machine Learning Scientist to create generative models for understanding cellular behavior. In this role, you will design and implement advanced modeling approaches that focus on generalisation and intervening in biological systems. The ideal candidate will have a PhD in a ...

    Frontier AI Deployment Lead — Hybrid London

    OpenAI is looking for a Forward Deployed Engineer to lead complex deployments of frontier models in production in a hybrid work environment based in London. The role requires 5+ years of technical deployment experience, proficiency in writing production-grade code using Python or JavaScript, and the ability to c ...

    C++ Core Strat Engineer Risk & PnL Engine (London)

    A market leading energy trading firm in London is seeking a Core Strat with strong C++ skills and a solid understanding of Python. This office-based role requires 5 days per week presence in their London office. The successful candidate will work at the crossroads of developing a new Risk & PnL engine, addressin ...

    Optical Test Automation & Systems Optimisation Engineer

    Oriole is seeking a Systems Optimisation Engineer in Greater London to develop intelligent test frameworks and optimisation algorithms for optical networking systems. This role involves designing automated test frameworks, developing optimisation algorithms, and collaborating with hardware engineers to enhance p ...

    Founding Full Stack Engineer for AI Platform

    Generative in Greater London is seeking a Full-Stack Engineer to build and scale an AI-driven platform. You'll be part of the founding team and responsible for designing full-stack features using React, TypeScript, and Python, as well as developing scalable backend systems. The ideal candidate has startup experi ...

    Staff Applied AI Engineer — Build AI Driven Product Features (Remote)

    Pleo in Greater London is looking for a Staff Applied AI Engineer to aid in developing AI-powered product features. The role focuses on collaborating with various teams to ship solutions that solve real business challenges using a rich dataset. Candidates should possess proven experience in shipping customer-fac ...

    Solace Middleware Engineer Real Time, Low Latency Trading

    Akkodis is seeking a Solace Middleware Engineer for the Electronic Trading Platform in Greater London. You will manage the Solace PubSub+ messaging infrastructure, supporting large-scale electronic trading systems. Key responsibilities include optimising messaging patterns, troubleshooting performance issues, an ...

    Trading Infrastructure Engineer — Real Time Cloud & DC

    Hunter Bond is seeking a Trading Infrastructure Engineer based in London to ensure the reliability and stability of their fintech trading services across cloud environments and data centres. Candidates should have 1 to 4 years of experience, strong Linux proficiency, and skills in scripting with Python, Bash, or ...

    Senior Linux Systems Engineer | Automation & Reliability

    Systematica Investments is seeking a hands-on Linux System Engineer in London to support and evolve the core infrastructure of their production systems, utilizing automation and modern practices. The candidate should have over 5 years of infrastructure experience, scripting skills in Bash/Python, and strong expe ...

    ML Tech Lead & Strategy Architect — London

    Capital One is looking for a Staff Software Engineer - Machine Learning based in Greater London. In this hybrid role, you'll own the ML/AI technical strategy for UK use cases, drive architecture for AI solutions, and collaborate with teams to enhance delivery. The ideal candidate has deep expertise in Python, ML ...

    Staff Data Platform Engineer — Real Time, AI Driven (Remote)

    Yuno is seeking a Staff Engineer to join our data team, focused on enhancing payment infrastructure for global operations. With a modern tech stack, you will design reliable data pipelines and lead projects end-to-end, ensuring data quality and compliance. We're looking for someone with 8+ years of experience, s ...

    AI/ML Engineer for Transformative Biomedical AI

    GSK is looking for an experienced AI/ML Engineer to join our AI for Science team in Greater London. The role involves developing and implementing cutting-edge machine learning models across various scientific tasks. Candidates should have a quantitative degree and experience with deep learning frameworks like Py ...

    Founding Software Engineer, Autonomous Drone Perception

    Seeing Systems (YC W26) is hiring a Founding Software Engineer to design and build the core autonomy stack for their autonomous drones in Greater London. This technical role involves developing perception and state estimation systems as well as building algorithms in simulation environments. Candidates should ha ...

    AI Driven Analytics Engineer

    Orgvue is looking for a Data & Insight Engineer in Greater London to build and own an AI-native analytics environment. Responsibilities include constructing data pipelines, developing automated insights, and managing data quality frameworks. This role requires strong SQL and data modeling skills, familiarity wit ...

    Senior Denodo Data Virtualization Specialist

    Hawksworth is seeking an experienced data engineer to design and maintain data pipelines using the Denodo platform in Central London. The role requires a minimum of 8 years of experience with Denodo and strong SQL skills. Ideal candidates should also be proficient in cloud data platforms such as Snowflake and Da ...

    Hybrid DevOps Engineer: Cloud, IaC & SRE Impact

    Anson McCade is seeking experienced DevOps Engineers to join their team in the UK Defence sector. This role involves working with Infrastructure, DevOps, and Site Reliability Engineering to deliver innovative solutions for critical projects. Key responsibilities include managing cloud environments in GCP or Azur ...

    Low Latency C++ Engineer for Trading Systems

    Hunter Bond is seeking an experienced C++ Software Engineer to develop performance-critical trading systems in Greater London. The successful candidate will join a core engineering team focused on low-latency, high-throughput systems that are integral to trading operations. Responsibilities include building and ...

    Data Platform Engineer: Snowflake & Databricks Specialist

    NTT DATA is seeking a platform-oriented Data Scientist to join its Data & AI Practice in Greater London. The role focuses on data pipelines, analytics, and modern data platform enablement, specifically with Snowflake, Databricks, and Microsoft Fabric. Candidates should have 3–6 years of relevant experience and s ...

    Senior Backend Engineer: Build Scalable Systems & Lead

    BLP Digital AG is seeking an experienced Software Engineer in Greater London. The role involves collaborating with business stakeholders to enhance product offerings, designing high-quality software, and guiding significant technical initiatives. A Bachelor’s or Master’s degree in Computer Science, along with 5+ ...

    Senior Production AI Engineer: LLMs & Enterprise Impact

    Xcede is recruiting for a role in Greater London focused on designing and building production generative AI applications for large enterprise clients. You will have end-to-end ownership of projects and serve as a technical lead within engineering teams. The ideal candidate has strong Python engineering skills, h ...

    Staff Data Scientist AI Strategy & Production ML

    Compare the Market is looking for a Staff Data Scientist to work in a hybrid environment based in London. In this role, you will deliver impactful AI and decisioning solutions, mentor other data scientists, and drive complex data initiatives from discovery to deployment. The ideal candidate will possess advanced ...

    Data Scientist – AI & Advanced Analytics

    IBM in Greater London is hiring for a data science role focused on AI solutions and advanced analytics. You'll lead projects that leverage machine learning and collaborate closely with clients in various sectors. Ideal candidates have strong Python skills, experience with data science tools, and a Bachelor's Deg ...

    Pricing Data Scientist: Revenue Analytics (Hybrid)

    Harnham is seeking a Data Scientist for a 7-month contract role in London. You will work closely with stakeholders to build analytical solutions for pricing and revenue management. Responsibilities include developing dashboards in Tableau, writing complex SQL scripts, and conducting analyses. Ideal candidates sh ...

    Senior Data Platform & Cloud Engineer: MLOps & AI Enablement

    Vallum Associates is seeking a Lead Data Platform & Cloud Engineer in Greater London. You will be responsible for overseeing data migration, platform engineering, MLOps, and AI enablement in AWS. Candidates should have 5+ years of engineering experience with solid skills in Python, SQL, and Terraform. The role i ...

    AI Backend Engineer — LLMs, GenAI & Scalable Systems

    Moody's Corporation is seeking a Software Engineer specializing in AI systems to design and implement scalable, production-grade backend solutions using Node.js and Python. You will collaborate with data scientists and engineers to integrate cutting-edge machine learning techniques, focusing on large language mo ...

    Senior AI Engineer, Build In House Agentic AI for Finance

    La Fosse is seeking a hands-on AI Engineer in Greater London to develop in-house AI capabilities for managing $50B+ in assets. You will create RAG systems, work with LLMs, and build production APIs using Python. Ideal candidates will have 1-2+ years in AI engineering, 4 years in software or ML, and a background ...

    Tech Lead – Digital Banking Platform

    hackajob is seeking a Tech Lead for Monument in London (Oxford Circus). This pivotal role entails guiding engineering teams in delivering innovative digital banking solutions. The ideal candidate will have robust experience in software design, particularly in cloud-native environments. Proficiency in frameworks ...

    Cloud AI Engineer for Large Scale Scientific Models

    GSK is seeking Software Engineers for their AI for Science team in London. In this role, you'll design scalable infrastructure and deliver high-performance, data-driven software solutions that enable scientific research. Responsibilities include developing AI/ML pipelines and maintaining cloud-native architectur ...

    Marketing Data Scientist Hybrid London, High Impact

    Harnham is seeking a Data Scientist in Greater London to lead media mix modelling initiatives and optimize marketing channel performance. The role offers a salary between £45,000 and £55,000, annual bonus, and a flexible benefits package. Ideal candidates will have strong Python skills, knowledge of statistical ...

    Real Time Identity Fraud & Security Lead

    Alexander Barnes is seeking a Fraud Prevention Lead for a rapidly growing FinTech in Greater London. This role focuses on identity-linked fraud prevention across a digital banking landscape, managing real-time fraud decisioning and collaborating with engineering and data teams. Candidates should have extensive e ...

    Data Scientist: GenAI Driven FinTech Data Products

    Trust Payments is looking for a Data Scientist to join their Data Science Team in a hybrid capacity. This mid-level role requires hands-on experience in data science, particularly in creating data products and applying machine learning techniques. Candidates should have experience with Python, SQL, and generativ ...

    Crypto Options Quant Trader: Systematic Volatility & P&L

    Onyx Alpha Partners is looking for a Quant Trader specializing in systematic options within the London market. In this role, you will be responsible for the live trading performance, working on unique volatility modeling in crypto options. The ideal candidate will have 5-7 years of experience in systematic tradi ...

    Digital & Data Engineer — Site Analytics & Rollout Specialist

    VSL International Ltd. is seeking a Digital & Data Engineer in Greater London. This hybrid role involves supporting digital systems and data solutions for ground engineering operations. Key responsibilities include deploying digital tools, creating data pipelines, and ensuring compliance with UK data protection ...

    Research Engineer, Societal AI Impacts

    AI Security Institute in Greater London is seeking a researcher and engineer to study the societal risks of frontier AI deployment. You'll design and conduct experiments, focusing on human–AI interaction and building data pipelines. The ideal candidate should have scalable Python coding experience, knowledge in ...

    Automation QA Engineer UI/API & CI/CD

    IBM in Greater London is seeking a Quality Engineer with automation experience to develop reliable automated tests. You will collaborate with cross-functional teams and utilize modern tools like Selenium and Cypress. Responsibilities include creating automated tests, supporting CI/CD integration, and ensuring qu ...

    Hybrid Technical Business Analyst: Data & Systems Delivery

    Thomson Keene is seeking a Technical Business Analyst to join their London-based team in the Investment Banking sector. This hybrid role involves bridging the gap between business needs and technical solutions, focusing on scalable outcomes. Ideal candidates should have strong experience in financial services, p ...

    Senior Software Engineer – Middle/Back Office (Finance)

    Alexander Ash Consulting is seeking a Software Engineer specializing in Middle/Back Office systems for a contract role in London. The ideal candidate has over 8 years of experience in developing enterprise systems with Python and/or Java, a deep understanding of financial products, and experience with AWS and AI ...

    Head of Energy Flexibility & Strategy

    Veolia | UK is seeking a strategic leader for its Hybrid UK Flexibility Services. The successful candidate will define and implement the company's strategy, grow revenue channels, and build a high-performance team. Required qualifications include deep expertise in energy flexibility, strong modelling skills in P ...

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