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    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 ...

    Senior Applied AI Engineer RAG & LLM Solutions

    EY is seeking a Senior Consultant – Applied AI Engineer to operate as a hands-on engineer within a squad. This role requires designing and implementing robust AI solutions while engaging with stakeholders to ensure enterprise standards for reliability and security. Ideal candidates will have a strong background ...

    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 Network Engineer Hybrid (Watford) | Security & HA

    Insight Global is seeking a Senior Network Engineer based in Watford, UK to design, implement, manage, and optimize customer network environments. This role involves a strong focus on network security and high availability, with international collaboration and potential travel to Vienna. Key skills include exper ...

    Senior Data Platform Engineer – AWS Pipelines & SageMaker

    NCC Group plc is seeking a Senior Data Platform Engineer to join their Engineering team in Manchester. This role requires strong experience in data engineering and AWS, where you'll design and optimize data pipelines to support analytics and machine learning solutions. Essential qualifications include proficienc ...

    Senior Software Engineer – Hybrid, Global Finance Impact

    Citi in Belfast is seeking a Senior Software Engineer to work in a dynamic technology team focused on building software solutions for complex business challenges. You will engage in all facets of software development while collaborating closely with product teams. A bachelor's degree in computer science or engin ...

    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 DevOps Engineer — HPC Cloud & Quantum (Flexible)

    Quantum Motion is looking for a Senior DevOps Engineer to lead the development of cloud-based solutions and manage infrastructure. This role is pivotal in ensuring effective service delivery while maintaining internal customer satisfaction. Responsibilities include architecting HPC clusters, automating processes ...

    Senior ML Engineer Production AI & MLOps Leader

    Compare the Market is seeking a Senior Machine Learning Engineer to join our Data & AI team, supporting AI capabilities that enable intelligent financial decisions for millions. This hybrid role focuses on deploying and scaling ML and AI solutions while collaborating with data scientists. We're looking for stron ...

    Senior Data & AI Platform Engineer

    Venture Post is seeking a Senior Platform Engineer to join their team in Cheltenham, England. In this high-ownership role, you will help build Monaco's data and ML platform, working on scalable pipelines and systems that support AI-driven products. You will tackle challenges related to distributed systems and wi ...

    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 Analyst Insight for Pension Savers (Hybrid)

    The Pensions Regulator is looking for a Senior Data Analyst to work in a hybrid model from Cupar Muir, Scotland. This role involves transforming complex data into insights that shape regulatory strategy. Candidates should have expertise in R, Python, and PowerBI, along with strong analytical skills. The position ...

    Principal Software Engineer – Real Time Data & AI Trading

    Cititec is looking for a Principal Software Engineer to lead high-impact client engagements in the Energy & Commodities trading space. This senior role blends technical leadership with architecture and strategic delivery. It involves designing and delivering modern cloud-native platforms that support real-time t ...

    Senior AI Driven Engineer | Build Autonomous Ad Engine

    Adzact in the United Kingdom is seeking a Senior Engineer to build an autonomous B2B ad engine. This role focuses on developing core platform systems and involves working with cutting-edge technologies like Python, AWS, and Docker. Candidates should have over 5 years of software delivery experience and an owners ...

    Senior AI/ML Scientist – Drug Discovery (Hybrid)

    Charles River Laboratories is seeking a Senior Scientist in Saffron Walden, UK, focusing on AI and Machine Learning for drug discovery. The role involves designing and deploying AI/ML models, collaborating with chemists and biologists, and contributing to scientific proposals. Applicants should possess a PhD or ...

    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 Quant Analyst Esports Betting ML Pricing

    Harrington Starr is looking for a Senior Quantitative Analyst in Monkston, UK, to join their trading team in the competitive gaming and esports space. The role includes developing and maintaining pricing models for esports content, leveraging machine learning to improve accuracy, and collaborating with data anal ...

    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 ML Engineer, AI Platform & MLOps on GCP

    Onsera Health seeks a Senior Machine Learning Engineer to develop the AI infrastructure for a transformative healthcare platform. You will design and implement ML systems, collaborating closely with data science and platform engineering teams. Candidates should have over 5 years of experience in machine learning ...

    Senior AI Engineer Lead GenAI & MLOps on Azure

    LegalAndGeneral is seeking a Senior AI Engineer in Greater London. This role involves leading the design and delivery of enterprise-grade AI solutions, utilizing strong Python skills and experience with Azure AI services. The ideal candidate will have hands-on experience with generative AI solutions and MLOps pr ...

    Senior AI Agentic Engineer Production Ready Workflows

    Physics X is looking for a Senior Applied AI Engineer to develop advanced AI agents that transform engineering workflows across industries like Manufacturing and Aerospace. In this role, you'll collaborate closely with product teams and domain experts to build solutions that address complex engineering challe ...

    Senior AI Security Engineer — GenAI & Cloud Security

    Jefferson Frank in Manchester is searching for a Senior AI Security Engineer. In this role, you will provide technical leadership in security architecture, cryptography, and IAM on hybrid/cloud platforms. Responsibilities include designing solutions for sensitive data protection, conducting security audits, and ...

    Senior Software Engineer Build Scalable Solutions

    Rippling is looking for a Senior Software Engineer in Greater London to enhance their payroll platform, which serves hundreds of thousands of employees. In this role, you will lead initiatives to create new product functionalities and rearchitect key platform components. Ideal candidates should have over 6 years ...

    Senior Data Scientist & ML Architect for LTV Forecasting

    Jack & Jill is looking for a Lead Data Scientist in London to own the technical roadmap for a machine learning platform. This senior role involves designing sophisticated models for LTV prediction and financial forecasting, mentoring a high-performing team, and setting technical standards. The ideal candidate ha ...

    Senior Satellite Access Layer Engineer (LEO & SDR)

    Open Cosmos in Harwell is seeking a Senior Access Layer Engineer to lead the implementation of the satellite air interface. In this role, you will develop and optimize PHY and MAC layer functionality for satellite communication systems and design algorithms that address LEO-specific challenges. The ideal candida ...

    Senior AI Engineer: NLP & Multimodal Fine Tuning (Hybrid)

    Harnham is seeking a Senior AI Engineer to contribute to their AI Lab in London. This role involves building and fine-tuning LLM-powered systems and designing retrieval-augmented pipelines. The ideal candidate will have strong hands-on experience with large language models and Python, and will thrive in a collab ...

    Senior Data Engineer: Databricks Pipelines & Governance

    TwinThread is seeking a Senior Data Engineer to join their Security Services Data Modelling and Engineering team. This role involves designing and building scalable data pipelines using Databricks, leveraging tools such as Python and Spark to enhance business performance and AI capabilities. The ideal candidate ...

    Senior Azure Cloud Security Engineer – Hybrid, Multi Cloud

    The Depository Trust & Clearing Corporation is seeking a Senior Associate IT Security Engineer - Cloud Security (Azure) to secure its Microsoft Azure cloud environment. This role requires deep knowledge of Azure security services and the ability to design secure cloud solutions. Ideal candidates will have at lea ...

    Senior Software Engineer, Core Systems & Refactoring

    Comxps Ltd is seeking a Senior Engineer to join their team in Portsmouth. The role will involve complex maintenance and upgrade work, requiring strong expertise in Python and C/C++. The engineer will lead investigations and ensure performance improvements, while also mentoring other engineers. Located ...

    Data Driven Operations Performance Analyst

    ClearBank is looking for an Operations Performance Senior Analyst in London, England, to deliver pro-active analysis that informs operational and strategic decisions. The role involves developing reporting suites, analysing data trends, and supporting operational performance. Ideal candidates will have strong SQ ...

    Senior Cloud QA Engineer — Automation & Testing Lead

    Tatton Recruitment is seeking a Senior Software Engineer in Test for a temporary contract in Lydgate, UK, initially until March 2027. You will develop and test bespoke cloud-native applications, utilize tools like SonarQube, and implement automation strategies. The role requires strong programming skills in Java ...

    Index Product R&D Director (Quant & ESG)

    A leading financial services firm in Greater London is seeking a Senior Equity Specialist to join their Factor and Quantitative Index R&D team. You will be responsible for developing quantitative factor and sustainability equity indices, maintaining code in GitHub, and researching client propositions. Candidates ...

    Senior AI Data Governance & Quality Lead Equity Actions

    Bloomberg L.P. is looking for a Senior Data Management Professional to oversee AI-driven data workflows. The role focuses on ensuring automation systems produce accurate outputs at scale while enhancing overall data quality. The ideal candidate has a BA/BS degree, over 4 years of experience in data ana ...

    Senior Product Analytics & Growth Analyst

    Flo, the leading health and fitness app, is seeking a Senior Product Analyst to enhance the user experience globally. In this pivotal role, you will collaborate with cross-functional teams to identify growth opportunities and support data-driven decisions. The ideal candidate will have over 5 years of ...

    Senior Full Stack AI Engineer ML & GenAI

    Fitch-Group in London is seeking a Senior Software Engineer, Full Stack - AI, to join their agile team. This role focuses on designing and developing innovative AI solutions utilizing cloud-based and containerized architectures. The ideal candidate will have over 7 years of software engineering experie ...

    Strategic Analytics Lead: Insurance Risk Modeling

    Pacific Asset Management, LLC is seeking a Senior Data Scientist for their Strategic Analytics team in London. This role involves developing predictive models and applying advanced analytics to support insurance risk assessment and decision-making. Successful candidates will have 5-8+ years of experien ...

    Senior Databricks Engineer — Remote Azure Lakehouse

    Layke AI is looking for a Senior Data Engineer to support the next stage of a major data platform build. This hands-on role focuses on building a modern cloud data environment using Azure, Databricks, and Lakehouse architecture. The position requires experience in designing and developing data pipeline ...

    Senior Agentic AI Engineer for Audio Orchestration

    AudioStack Labs Ltd is seeking a Senior Agentic AI Engineer in Greater London to lead the development of automated audio production systems. You'll collaborate with a dynamic team to shape intelligent architectures and deliver innovative solutions, all within a rapidly evolving environment. Ideal candi ...

    Senior Data Scientist Product Growth & A/B Testing

    Lendable Ltd is seeking a Senior Product Data Scientist to drive product analytics for their Zable app in London. This pivotal role involves uncovering user insights, developing key metrics, and shaping product strategy. The ideal candidate will have over 4 years of experience in data analytics, profic ...

    Forward Deployed Data Engineering Senior Manager

    Accenture is seeking a Data Engineering Senior Manager to lead teams in Manchester. You will be responsible for client relationship management, strategic delivery, and AI integration using Palantir technology. The role requires strong technical abilities and high emotional intelligence. The successful ...

    Autonomy Software Engineer (C++, Embedded Linux, ROS)

    IC Resources is looking for a Senior Software Engineer to join their team in the South Coast near Portsmouth. The role involves designing, implementing, and optimising autonomy algorithms for diverse R&D projects. Candidates should have extensive experience in C++ and Python, alongside knowledge of Embedded Linu ...

    Senior AI Engineer — GenAI & Production ML Leader

    Space Executive, a rapidly growing RegTech startup in London, seeks a Senior AI Engineer to shape and scale its regulatory change management platform. This role involves ensuring quality AI outputs and leading the design and deployment of cutting-edge AI solutions. Candidates should have a proven track record in ...

    Senior Partner Insights Manager Global Fleet & DSP Data

    Amazon is looking for a Senior Partner Insights Manager in Greater London to develop actionable, data-driven insights that enhance the experience of Delivery Service Partners. You will manage performance dashboards, automate data pipelines with Python, and analyze large datasets to support decision-making. The r ...

    Senior Data Scientist, GenAI & Production AI Lead

    Harnham is seeking a Senior Data Scientist in Greater London to join their AI team, focusing on building real AI products. The role involves deploying LLM-based applications, working on end-to-end AI systems, and collaborating closely with stakeholders. Candidates should have over 5 years of experience in data s ...

    Applied AI Data Scientist – Insurance, LLMs & Claims Insight (Hybrid)

    Cornucopia IT Resourcing is looking for a Senior Data Scientist specialized in Applied AI for the commercial insurance market. The role involves designing and iterating LLM prompt pipelines, handling unstructured claim documents, and building frameworks to validate AI outputs. Candidates must have strong hands-o ...

    Senior Data Scientist Predictive Risk & Insight Leader

    LSEG is searching for a Senior Manager - Data Scientist in Greater London. This role involves developing machine learning models and predictive insights to help manage programme execution risks. Key responsibilities include risk prediction, integration of insights into dashboards, and collaboration with stakehol ...

    Senior AI & Modelling Engineer — Race Strategy Innovator

    Atlassian Williams F1 Team is looking for a Senior AI and Modelling Engineer who will work at the intersection of AI/ML and race strategy. This role involves developing machine learning models to enhance race performance, communicating technical insights to strategists, and building reliable tools for the Strate ...

    Senior Data Science Consultant | ML, Dashboards & Strategy

    Moorhouse Consulting is looking for a Senior Consultant to join their Data Science team in Greater London. This role involves delivering advanced analytics solutions, engaging with clients, and leading analytics workstreams. Candidates should possess over 4 years of experience in data science, strong Python and ...

    Senior Data Analyst Growth & Insights for Social Apps

    Rakuten Viber is seeking a Senior Data Analyst in Greater London to leverage data and drive insights for user experience. The role requires 6+ years of experience, strong skills in SQL and Python, and proficiency in data visualization tools like Tableau and Looker. Responsibilities include identifying improvemen ...

    Senior Global Reserving Actuary

    JCW Group is seeking a Senior Actuarial Analyst in Greater London to enhance their International Reserving function. The role involves owning reserving analyses, supporting quarterly processes, and collaborating with various teams to refine methodologies. Candidates should be nearly or newly qualified actuaries ...

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