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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 ...

Senior Backend Engineer Scale Impact, Stock Options

A leading financial technology firm in Greater London seeks a Senior Backend Engineer to enhance their product development. The ideal candidate will possess over 5 years of experience in software engineering and be skilled in Python and related technologies. Responsibilities include designing scalable systems an ...

Senior Backend Architect (Django/AWS) – Lead Platform

A financial technology company in Greater London is seeking a Mid-Senior level Software Engineer to lead the backend development of their investment reporting platform, Serpentine. The role involves 10+ years of Python development experience, with strong expertise in Django. You will be responsible for architect ...

Software Engineer Crafting Scalable Solutions

A pioneering startup seeks a Senior Software Engineer to lead the design and development of a next-generation Generative Physics platform. You will create scalable systems to integrate cutting-edge AI models while mentoring engineers. The ideal candidate has 5+ years in full-stack software development, proficien ...

Senior AI Research Engineer — Edge AI & Multimodal Vision

A leading AI solutions provider is seeking a Senior AI Research Engineer in London. The role involves developing state-of-the-art AI products by improving training algorithms and multimodal LLMs. Candidates should have over 5 years of software engineering experience with proficiency in Python, and strong experti ...

Senior Data Scientist & ML Engineer – Production Models

A privacy-focused transportation platform in Greater London is seeking mid-level and senior Data Scientists / ML Engineers. You will manage the complete model-building process, from ideation to production. Responsibilities include improving algorithms and developing proofs of concept. Ideal candidates possess a ...

Senior Software Engineer & SRE Middleware Reliability

A leading financial technology company in London is seeking a Senior Software Engineer for their Application Middleware SRE team. You will be responsible for building resilient systems and improving reliability across critical infrastructure. Ideal candidates should have a degree in Computer Science or related f ...

Senior Platform Engineer YugabyteDB & Cloud DB Platform

A global tech company in Greater London is seeking a Senior Platform Engineer for their Database Platform team. This role focuses on designing, building, and evolving an internal cloud-based database platform, ensuring reliability, scalability, and security. The ideal candidate has significant platform engineeri ...

Senior Surveillance Analytics Lead, AI Driven Fixed Income

A leading FinTech firm located in London is seeking a Surveillance Analytics Lead to modernise its global Fixed Income surveillance framework. The ideal candidate will have strong expertise in designing trade surveillance alerts, advanced skills in Python, SQL, and Tableau, as well as a good grasp of statistical ...

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 ...

VP, Treasury Liquidity Analytics & Stress Testing

A leading global financial services firm is seeking a Treasury Liquidity Analytics Vice President to manage liquidity reporting and stress methodology. The role involves collaboration with product, risk, and technology teams while influencing strategic initiatives. Candidates should possess strong funding and li ...

Senior SRE & Software Engineer: Middleware Resilience

A leading financial services company in London is seeking a Senior Software Engineer/SRE. Join the Application Middleware SRE team to build resilient, high-performance software that supports Bloomberg's infrastructure. Candidates should have expertise in Python and C++, along with strong system reliability skill ...

Senior Strategy & Data Analyst — Fintech Growth

A leading fintech company in London is seeking a Senior Strategy Analyst to drive promotions, pricing strategy, and financial forecasting. The role involves analyzing data to inform strategic decisions, collaborating across various teams, and developing insights to optimize performance. Candidates should have at ...

Senior AI Engineer: GenAI for Global Debt Platform

A leading AI platform in debt markets seeks a Senior AI Engineer to drive innovation through generative AI applications tailored to complex financial workflows. The ideal candidate will have strong Python proficiency and hands-on experience in NLP, along with a solid understanding of the GenAI landscape. This ro ...

Senior Software Engineer, Forward Deployed Data Platform

A deep-tech company in London is seeking a Senior Software Engineer to architect scalable systems and design data platforms. You will bridge complex physics simulations with modern data infrastructure, implementing storage solutions and developing robust software. The ideal candidate has a strong background in s ...

Senior Backend Engineer — Hybrid, Equity & APIs

A leading AI platform for debt markets seeks a Senior Backend Engineer to join their Structured Credit team. You will lead projects, mentor junior developers, and enhance the backend services for a cutting-edge CLO product. A strong background in Python and API development is essential. The role offers competiti ...

Remote Senior Data Scientist — 6 Month Contract (Insurance)

A recruitment agency is seeking a Senior Data Scientist for a 6-month contract in the Greater London area. The role requires extensive experience in data science and analytics, particularly within fintech or insurance. Key responsibilities include developing data models, creating predictive models for user engag ...

Senior Data Scientist – Health Data & Recruitment Tech (Remote)

Our Future Health UK is seeking a Senior Data Scientist to enhance data foundations for clinical recruitment. The ideal candidate has significant experience in data science within health and clinical research settings, strong programming skills in Python and SQL, and the ability to translate complex requirements ...

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 ...

Senior Full Stack Engineer for AI Platform & Data Viz

Retelligence in Greater London seeks a motivated Full Stack Engineer to join a senior team building advanced AI platforms. The role encompasses managing the entire feature lifecycle, from backend services to interactive frontend experiences. Candidates should excel in Python and TypeScript with a strong grasp of ...

Senior Neurosymbolic AI Platform Engineer

UnlikelyAI is seeking a Senior Software Engineer in Greater London to join their team in developing innovative AI solutions. This role requires deep coding skills in Python and experience with cloud infrastructure, prioritizing production-quality engineering. Candidates will contribute to building a public API a ...

Senior Associate: Antitrust & Competition Economics

A global consulting firm in London seeks a Senior Associate for its Antitrust & Competition Economics Practice. Candidates should have a pending PhD in economics, experience with various analytical tools like Stata and Python, and excellent communication skills. The role involves high-profile projects, economic ...

Senior Full Stack Engineer for AI Driven Solutions

hackajob is collaborating with Baringa Partners to find an experienced Senior Full Stack Software Engineer in Greater London. You will build and maintain innovative AI and Machine Learning solutions. The ideal candidate will have 3-5 years of experience, expertise in JavaScript and Python, and strong full-stack ...

Senior Data Scientist: End to End Data Solutions, Hybrid

Softwire is seeking an experienced Senior Data Scientist based in Greater London. The role involves designing and delivering data science projects for clients, contributing to the growth of Softwire’s data science capability. Candidates should have deep technical expertise, especially in Python and data science ...

Senior ACI Network Engineer Data Center Automation & HA

Penta Consulting is seeking a Senior ACI Network Engineer to design, deploy, and maintain Cisco ACI fabrics across data centres in the UK. This contract position requires expertise in VXLAN, BGP, OSPF, and experience with automation frameworks including Python and Ansible. The role is focused on translating busi ...

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 ...

Senior Backend Engineer — Scalable APIs & Systems

A leading marketing firm in Greater London seeks a Senior Backend Engineer to design and develop scalable backend systems. You will write production-grade code, solve distributed systems challenges, and collaborate with cross-functional teams. The ideal candidate has expertise in Python and frameworks like FastA ...

Senior Data & GenAI Platform Architect

A global information and analytics company in Greater London is looking for a Senior Software Engineer II to enhance their generative AI platform. This role involves architecting and developing scalable AI services and guiding engineering standards. The ideal candidate has 5+ years in software engineering, stron ...

Senior Economist & Data Scientist – Hybrid & Impact

A leading economic consulting firm is seeking a Senior Economist / Data Scientist to join their Economic Impact team in London. The candidate will apply quantitative techniques and design econometric models while communicating effectively with clients. Required qualifications include 2-5 years of experience in d ...

Senior Data Scientist: Marketing Effectiveness & MMM Lead

A leading global analytics consultancy in Greater London is seeking a Senior Consultant in Data Science & Marketing Effectiveness. This role involves leading marketing effectiveness projects and applying advanced analytics to drive insights. Candidates should have 3-5 years of experience in data science, profici ...

Senior Palantir Engineer & Data Solutions Lead

A leading data consultancy in London is seeking a Senior Consultant specializing in Palantir Engineering. In this role, you will lead end-to-end data solutions using Palantir Foundry, with responsibilities that include designing data pipelines and collaborating with stakeholders. Ideal candidates will have stron ...

Senior Product Strategist: ETRM & Strategic Initiatives

A global energy consultancy in Greater London is hiring a Senior Product Strategist to lead initiatives across trading operations. The role involves onboarding new trading desks and optimizing ETRM systems, requiring over 8 years of industry experience and strong technical skills. Candidates must hold a relevant ...

Lead Molecular Simulations Scientist: Binding Free Energy

A pharmaceutical company based in Greater London is seeking a Senior Application Research Scientist to lead simulation studies in drug discovery. Ideal candidates will have a PhD, 5+ years in molecular simulations, and strong programming skills in Python. Responsibilities include mentoring junior scientists, enh ...

Senior Analyst, Credit Modelling – Hybrid London

A leading financial information service is seeking a Quantitative Analyst – Senior Analyst in London. This role involves developing credit rating models, collaborating with specialists, and contributing to various team initiatives. Candidates should hold a Master’s degree in quantitative fields, have programming ...

Senior Backend Engineer — Architect Scalable Microservices

A leading global marketing firm in the UK is seeking a Senior Backend Engineer to lead the design and development of backend systems across OneSuite. This hands-on role requires expertise in Python and modern development patterns. The ideal candidate will collaborate cross-functionally to ensure systems are scal ...

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 ...

Senior Geospatial ML Scientist — Remote Sensing & CV

Outbreak Labs, located in Greater London, seeks a Senior Machine Learning Scientist specializing in geospatial and remote sensing. You will design classification models, analyze complex datasets, and work with geospatial imagery from varied sources. With a PhD or equivalent experience and 3+ years in the geospat ...

Senior Product Analytics Lead — Capital Markets Data & Pricing

A leading financial analytics firm seeks a dynamic Senior Product Analytics Manager in London. This role involves utilizing advanced quantitative knowledge and Python to enhance product development through data exploration and prototyping. Candidates should have a strong background in financial mathematics and e ...

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, ...

Senior Computer Vision & Multimodal AI Engineer

A technology firm is hiring a Senior Software Engineer specializing in Computer Vision and Multimodal AI. The role involves developing pipelines that transform visual data into structured insights and requires strong Python skills, deep learning expertise, and the ability to collaborate across teams. Candidates ...

Senior Quant Risk Lead Hands On Modeler & Team Leader

A leading fintech company in Greater London is seeking a Senior Manager in Financial Risk to oversee the quantitative market risk framework and build key risk models. The role involves direct coding, model governance, and leading a team of quantitative experts. Ideal candidates should have experience in market r ...

Strategic Location Analytics Lead

A leading management consultancy in London is seeking a Senior Location Analytics Consultant to deliver strategic analytical recommendations to clients. This role involves driving bespoke projects through impactful analyses, taking ownership of projects, and effectively communicating insights to a diverse range ...

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 Infrastructure Engineer: Build Scalable Cloud Systems

A leading fintech company in Greater London is seeking a Senior Software Engineer specialized in Infrastructure. The role involves deploying and maintaining software, automating deployment processes, and developing observability tools. Candidates should possess 5+ years of experience, a degree in a technical fie ...

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 ...

Senior ML Engineer Production AI & Pipelines (Flexible)

A leading home improvement company is seeking a Senior Machine Learning Engineer to support the delivery of advanced AI solutions. The role involves developing, deploying, and optimizing machine learning models while collaborating with teams across engineering, product, and architecture. Ideal candidates should ...

Senior Software Engineer (Django) – Scale a Global Platform

Stars Arena is seeking a Senior Software Engineer in Greater London to develop and enhance their investment reporting platform, Serpentine. This web application, built with Python and Django, manages large and multilingual client websites. The role involves contributing to the design, development, and maintenanc ...

Senior Firmware Engineer: V2G & Edge on Embedded Linux

Stars Arena is looking for a Senior Firmware Engineer to join their London team. The successful candidate will develop firmware for V2G edge devices and integrate systems with cloud backends while ensuring optimal performance on embedded Linux platforms. Applicants should have strong scripting skills in Python a ...

Senior Software Engineer Scalable Workflow Orchestration

Bloomberg L.P. is seeking a Senior Software Engineer in London to join the Workflow Orchestration team. This role involves developing and maintaining workflows, working on APIs, and collaborating with cross-functional teams. Ideal candidates will have proficiency in C++ or Python, experience with large-scale dis ...

Senior Quality Engineering Manager: Automation & Testing

Deepstreamtech is seeking a Senior Software Engineering Manager in Greater London. This role involves leading a team responsible for developing advanced testing technologies for PlayStation workflows. The ideal candidate will possess at least five years of experience in people management, strong Agile practices, ...

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