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    Senior Backend Engineer: AI APIs & Scalable Infra

    A leading technology company in Greater London is seeking a Senior Backend Engineer to work on advanced AI systems. The role involves building scalable APIs and improving inference infrastructure while collaborating with AI researchers. The ideal candidate will have strong skills in Python and Go, along with kno ...

    Senior ML Engineer – GenAI & Real Time ML for Impact

    A leading food delivery company is seeking an experienced Senior Machine Learning Engineer to join their London team. In this hybrid role, you'll shape decision-making systems affecting customer experience. Key responsibilities include leading ML model development, ensuring reliability through robust monitoring, ...

    Trading Systems Engineer: Build Resilient Market Tech

    A diversified trading firm is seeking a Trading Systems Engineer to join their Cumberland team. The role involves maintaining the health of trading systems, liaising with trading partners, and providing technical support. Ideal candidates will have a Bachelor’s degree in a related field, 2+ years of experience i ...

    AI Engineer (Internal Audit) – Hybrid, London

    A leading market infrastructure provider seeks an Associate AI Engineer to design, develop, and maintain AI services. The role involves collaborating across various functions to deliver innovative AI solutions for internal audit processes. Candidates should have expertise in Generative AI, Machine Learning, and ...

    Analytics Data Engineer — Remote, Cloud Pipelines

    A data solutions company in Greater London is seeking a Data Engineer. This role is mainly remote but requires flexibility to travel to client sites. Responsibilities include designing ETL processes, collaborating with teams, and ensuring data quality. Candidates should have strong skills in SQL, Python, and dat ...

    Low Latency Network DevOps Engineer

    A diversified trading firm is seeking a skilled DevOps Engineer to enhance automation within their low latency network team. The role focuses on building CI/CD pipelines, developing automation for network configurations, and ensuring security in workflows. Ideal candidates will have over 5 years in a similar rol ...

    Senior Backend Engineer, Remote — Adaptive Telemetry

    A leading observability platform is hiring a Staff Backend Engineer for Adaptive Telemetry. In this remote role, you will drive technical strategies, ensure system reliability, and mentor engineers. Preferred candidates will have experience in distributed systems and cloud-native architectures, and proficiency i ...

    AI Driven Social Commerce Data Analyst & Prompt Engineer

    A digital marketing agency in Greater London is seeking a data analyst/prompt engineer. The ideal candidate will support account managers with data for client performance and build AI and data pipelines to spot revenue opportunities. Required skills include strong knowledge of paid social platforms, proficiency ...

    Hybrid IT Infrastructure Engineer Mac & Cloud Automation

    A leading digital asset infrastructure firm in Greater London seeks an Infrastructure Engineer to support their IT infrastructure operations. This role includes managing macOS devices, cloud environments, and automating processes. The ideal candidate will have experience in IT departments, working with JAMF Pro, ...

    AI Engineer: ML/NLP Specialist | £2k Learning Budget

    A leading technology client in the United Kingdom is seeking an AI Engineer to design and implement advanced AI solutions for their core platform. You will work on cutting-edge projects leveraging ML and NLP techniques to solve complex challenges. The ideal candidate is proficient in Python and familiar with fra ...

    Senior Backend Engineer — Architect Scalable Microservices

    A leading global marketing company is seeking a Senior Backend Engineer to design and develop scalable backend systems for their unified marketing platform. This hands-on role requires strong expertise in Python and modern development patterns, with a focus on performance, reliability, and observability. You wil ...

    AI Engineer — Litigation LLM Systems Architect

    A legal AI technology firm in London is seeking an exceptional AI engineer to shape the future of legal work. You will design and build systems that analyze millions of documents to extract critical information for legal battles. The ideal candidate has expert-level Python skills and experience with LLM systems. ...

    Infrastructure Security Engineer: Secure & Scale Platforms

    A leading quantitative finance firm is seeking an Infrastructure Security Engineer to automate and configure critical security systems. The role involves owning projects across technology stacks, contributing to the security roadmap, and mentoring junior engineers. Ideal candidates will possess skills in securit ...

    Founding AI Engineer Equity, Production ML, London

    A fast-growing legal tech startup in London is seeking an AI Engineer to develop proprietary algorithms and evaluation pipelines. The role offers the opportunity to shape the future of a rapidly scaling AI platform while working with a talented team. Candidates should be experts in Python and have experience wit ...

    Quant Research Engineer Build & Test Trading Strategies

    A financial trading firm in Greater London seeks a research engineer to develop and test trading strategies using Python. The ideal candidate will contribute to building research infrastructure, explore novel market ideas, and collaborate with teammates. A Bachelor’s degree in a relevant field is required. With ...

    Senior Product Engineer: Frontend & Full Stack Climate Tech

    A climate-tech company based in Central London is seeking a Senior Product Engineer with strong frontend and full-stack skills. The role involves owning the frontend architecture and designing high-quality user experiences. Candidates should have deep experience with React, Next.js, and Python while showing exce ...

    Senior Data Engineer — Pipelines & Warehousing

    A leading retail brand in London is seeking a Staff Data Engineer to enhance their data transformation efforts. You will build and maintain data pipelines, support data-driven decision-making, and mentor junior team members. The ideal candidate has expertise in Python, Azure, and Spark, and will play a key role ...

    Mid Senior DevOps Engineer – Trading Infrastructure

    A global hedge fund in London is seeking a highly skilled Dev Ops Engineer to ensure the stability and performance of their research and trading infrastructure. The candidate will be responsible for monitoring production systems and implementing improvements. Ideal applicants will have over 5 years of experience ...

    Senior Portfolio Engineer: Fixed Income ETFs & Indices

    A global asset management firm in London is seeking a Senior Portfolio Engineer to manage Fixed Income ETFs and index portfolios. This role requires strong financial markets knowledge and quantitative programming skills in Python. The successful candidate will support client flows, manage investment and risk exp ...

    Energy Quant Developer: Build Trading Models & Cloud

    A leading financial services firm is seeking a highly skilled Quantitative Engineer to work on Commodities Trading. The role involves collaborating with traders on complex trading problems, designing high-performance applications, and implementing quantitative models. Ideal candidates hold a degree in a relevant ...

    Kubernetes & Linux Compute Platform Engineer

    A financial technology firm in Greater London seeks a skilled Compute Operations Engineer. This role involves managing and monitoring Core Compute and Research HPC platforms, developing automation for Kubernetes, and ensuring optimal compute farm capacity. Ideal candidates should have strong experience with Linu ...

    Data Engineering Consultant: Cloud, Databricks & AI

    A leading data consultancy in the UK is seeking a skilled data engineer to enhance data processing frameworks and support Azure Databricks solutions. The ideal candidate will have extensive experience with PySpark, AWS, and strong programming skills in Python and SQL. Responsibilities include collaborating with ...

    Senior AI Engineer: Generative ML & Platform Innovator

    A leading fintech company in Greater London is seeking a Senior AI Engineer to drive the adoption of Generative AI technologies. The role involves mentoring peers, setting engineering practices, and designing AI solutions with cross-functional teams. Candidates should have hands-on experience with LLMs and stron ...

    Founding ML Engineer: Build the Talent Matching Engine

    A tech company based in Greater London is seeking an ML Engineer to develop an AI-driven talent matching system. You will own the matchmaking engine, build embedding models, and ensure reliable backend services. The ideal candidate has strong expertise in Python and ML foundations along with practical production ...

    IT Operations Automation Engineer — Remote, Equity & PTO

    A leading travel technology company in Greater London is seeking an IT Operations Automation Engineer to develop and oversee automation solutions. Ideal candidates will have at least 4 years of experience, with strong skills in Python, Terraform, and GCP. The role includes building automation platforms and provi ...

    Solutions Engineer: Observability & Automation Specialist

    A leading tech firm in London seeks a Solutions Engineer to deliver professional services solutions and guide customers in adopting best practices. Ideal candidates will have significant experience in IT operations, scripting in languages like Python or PowerShell, and expertise in cloud technologies. The role i ...

    Security Engineer: Threat Detection & Response

    A leading technology company in the UK seeks an Information Security Engineer to safeguard its infrastructure globally. The role involves developing defensive strategies and investigating security threats across the company's network. Ideal candidates will have over three years of security experience, proficienc ...

    Senior Cloud Security Engineer – AWS, GCP & IAM

    Millennium Management, LLC is seeking a Cloud Security Engineer in Greater London. The role requires expertise in AWS and GCP security controls, with responsibilities including designing security strategies, conducting audits, and collaborating with IT and compliance teams. Candidates should have a Bachelor's in ...

    Remote ML Engineer: Equity & Low Latency Ranking

    Phoenix Court Group in Greater London seeks a skilled Machine Learning Engineer. You will play a key role in architecting and maintaining production-grade ML services, collaborating with teams to solve complex challenges. The ideal candidate has solid expertise in machine learning techniques, strong Python skill ...

    Senior Linux Infra Engineer Automation & Containers

    LinuxRecruit is seeking a Senior Infrastructure Engineer in Greater London. You will design, deploy, and maintain core systems while handling hypervisors, VMs, and bare-metal environments. Candidates should have strong Linux/Unix experience, proficiency in scripting (especially Python), and familiarity with virt ...

    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 ...

    Linux Systems Engineer Automation & CI/CD (Hybrid)

    A leading tech recruitment company is seeking an automation focused engineer in London. You will build complex Linux based systems and define workflows for a groundbreaking product. Responsibilities include automating deployment workflows, developing Bash scripts, and collaborating closely with hardware experts. ...

    AWS Data Platform Engineer | Big Data Pipelines & Security

    A dynamic tech company in the UK is searching for a Data Platform Engineer to design and maintain data processing pipelines. This role requires experience in AWS, SQL, and Python while ensuring data quality and collaborating with teams. Candidates should have a strong background in data security and management, ...

    Principal Engineer — Health Tech Impact & Architecture

    An innovative healthcare solutions company in London is seeking a Principal Engineer to deliver technical excellence and drive project success. You will play a vital role in the planning, strategy, and execution phases, collaborating with leadership teams. The ideal candidate has a programming background in Pyth ...

    Lead AI Aerodynamics Engineer for F1 Data & CFD

    A leading motorsport organization is seeking a Senior Aerodynamic AI Engineer to join the Aerodynamics department. This role involves developing AI/ML models for analyzing aerodynamic data, collaborating with engineers, and contributing to the performance of Formula 1 cars. The ideal candidate will have expertis ...

    Senior Conversational AI Research Engineer — Production

    A leading AI platform company in Greater London is seeking a Senior Research Engineer to develop and implement cutting-edge conversational AI models. This role involves leading research efforts, building end-to-end systems, and integrating new models into production systems. Candidates should have over 5 years o ...

    Senior Research Engineer Production Conversational AI

    A leading AI technology company in Greater London is seeking a Senior Research Engineer to build industry-leading conversational AI models. The role includes owning multi-quarter initiatives and partnering with engineers on production systems. Ideal candidates will have at least 5 years of experience in AI/ML en ...

    AI Security Product Engineer — Growth & Automation

    A cybersecurity firm based in London is seeking an Associate Product Engineer to connect the AI security platform with market needs. This unique role focuses on building automation for customer feedback and scaling through product-led initiatives. Applicants should have a recent degree in Computer Science or Eng ...

    Senior Network Security Engineer — Hybrid (NIST/CIS)

    A leading financial services company in Guildford is seeking a Senior Network Security Engineer to enhance their network security measures. This hybrid role requires expertise in NIST, CIS benchmarks, and security tooling. The ideal candidate will have experience managing enterprise infrastructures and conductin ...

    Senior Perception & Autonomy Systems Engineer

    A leading electric vehicle manufacturer based in Greater London seeks an experienced Perception Engineer. The role involves developing machine learning algorithms that directly impact safety-critical self-driving features. Candidates should have a strong background in C++ and Python, along with extensive experie ...

    Senior Fullstack Engineer – Hybrid Core Banking Platform

    A leading financial technology firm in Greater London seeks an experienced engineer to oversee financial systems' development and management. Key responsibilities include ensuring compliance and building data-driven systems. The ideal candidate should have a strong technical background, experience with Python, P ...

    Cloud DevOps Engineer — GCP/AWS, CI/CD & Terraform

    Una empresa internacional de consultoría tecnológica con sede en Londres busca un/a Devops Engineer para unirse a su equipo de consultores. Se requiere un mínimo de 2 años de experiencia en Programación en la Nube, preferiblemente en Google Cloud Platform y/o AWS, así como conocimientos en ETL, SQL, Python y GIT ...

    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 ...

    Cloud Security Engineer: Automation & Tooling

    A financial technology company in London seeks a Cloud Security Engineer to enhance security architecture for its multi-tenant banking platform. Responsibilities include developing security tools, managing infrastructure on AWS and GCP, and ensuring compliance with frameworks like SOC 2. Ideal candidates are ski ...

    Data Infrastructure Engineer for AI Agents — Equity Path

    A financial data platform in Greater London is seeking a Data Infrastructure Engineer to own and enhance their data lifecycle for unstructured financial documents. You'll architect systems that drive decision-making for major clients, leveraging autonomous AI agents. Ideal candidates will have 3-5 years in produ ...

    Senior ML Engineer Multimodal Data Pipelines

    A leading technology company in the UK is seeking a Machine Learning Engineer. In this role, you will be responsible for the data lifecycle that fuels agent research. You'll design and build data pipelines, ensure data quality, and collaborate closely with research scientists. The ideal candidate should have str ...

    Data Platform Engineer | Yugabyte & Cloud Automation

    hackajob is seeking a Platform Engineer to work on high-scale systems that ensure reliable and secure database services. You will design and automate cloud-based database platforms, specifically contributing to YugabyteDB-based components. Ideal candidates have 2+ years of experience in platform engineering, pro ...

    On Prem Data Platform Engineer — ETL/BI, Airflow

    Handelsbanken is seeking a skilled Data Engineer in Greater London to design and maintain a scalable on-premise data warehouse. The ideal candidate will have strong programming skills in Python, experience with Apache Airflow, and advanced knowledge of SQL and data warehousing. Responsibilities include building ...

    Hybrid Senior Frontend Engineer — Full Stack AI Platform

    Oritain Global Limited is seeking a Senior Frontend Engineer to work in a hybrid environment in London. The ideal candidate will build modern React frontends and robust Python backend services while ensuring reliable production systems. Responsibilities include mentoring junior engineers and using AI-assisted de ...

    AI Applied Engineer — Real‑Time PropTech & Automation

    Plentific is looking for an AI Applied Engineer to enhance their property management platform through AI-powered features. The role involves developing and deploying solutions using FastAPI and Django, collaborating with cross-functional teams, and integrating advanced AI tools. Ideal candidates will have a stro ...

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      Lead Software Engineer Python Java Jobs in London Job Search Guide, Trends and Insights