Senior Python Developer Pythonawsreact Jobs in London, UK

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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 ...

AWS Platform Engineer – Security, Automation & Scale

A research focused engineering organization in Greater London is seeking a skilled AWS Engineer to manage account structures and shared services. The ideal candidate will have deep AWS knowledge, strong Terraform and Python skills, and the ability to influence production services delivery. This is a hands-on rol ...

Applied Scientist, Global Personalization & Recommendations

A renowned multinational company is seeking an Applied Scientist to develop machine learning models for personalization and recommendations. The ideal candidate will hold a PhD or Master's degree in a relevant field and possess experience in programming languages like Java, C++, and Python. Responsibilities incl ...

Backend Engineer — AI Platform, Hybrid London + Equity

A leading AI technology company in Greater London is seeking passionate Backend Engineers. This role involves developing core systems for their innovative products. Candidates should have proficiency in backend languages like Python and a strong understanding of APIs and databases. The ideal candidate will excel ...

Quantitative ML Researcher for Multi Asset Trading

A stealth quantitative hedge fund in Greater London is seeking an ML Researcher. The ideal candidate will hold a master's degree in a relevant quantitative field and possess strong programming skills, particularly in Python. This role offers the opportunity to join a dynamic team focused on advancing trading per ...

GenAI Platform Lead Backend & AI Services (Hybrid)

A leading information and analytics company is seeking a Software Engineering Lead to provide technical leadership in AI services design and delivery. This role is essential for mentoring developers, ensuring scalable and reliable solutions, and fostering best engineering practices. You will work closely with cr ...

Secure Platform Engineer — SDLC & DevSecOps

A leading technology solutions provider is seeking a professional to enhance security practices within software development in London. The role involves identifying security requirements, threat modeling, and implementing secure coding practices, alongside continuous monitoring and collaboration with cross-funct ...

Data Analyst II, Performance Optimization (Remote)

A leading audio streaming service is seeking a Data Analyst to establish a measurement foundation that drives performance optimizations across their platform. This role involves designing datasets and pipelines, defining metrics, and translating complex data into actionable insights. Candidates should be profici ...

Delta Neutral Crypto Trader | PnL Focus

A digital asset trading firm in London is seeking a Quant Trader to develop and manage market-neutral trading strategies. The candidate should have a strong track record in crypto trading and be proficient in Python, Rust, or C++. Responsibilities include building strategies across various crypto markets and opt ...

Data Strategy Lead & Insights Consultant

A global data and technology firm based in Greater London is searching for a Lead Data Strategy Consultant. This hybrid role involves leading analytics delivery across diverse clients while fostering data-driven growth strategies. Candidates should possess a degree in an analytical field and 3-5 years of experie ...

Hybrid Data Strategy Lead Insights & Growth

A leading global marketing firm based in London is seeking a Lead Data Strategy Consultant to lead analytics delivery across various clients. This role requires analytical expertise, especially in Python, to drive insights and support client-driven success. As a hybrid position, successful candidates will collab ...

EMEA Data Product Manager — OTC Market Data

A leading data and analytics company in Greater London seeks an Associate to enhance data opportunities arising from global broking activities. The candidate will support product strategy, perform quantitative evaluations, and engage with clients and internal teams. Candidates must have strong quantitative skill ...

AI Safety Research Fellowship — Mentored, Global

A leading AI research organization is offering a 4-month full-time Fellows program for motivated individuals interested in empirical AI research. This role provides mentorship from leading researchers and requires fluency in Python. The selected fellows will contribute to vital AI safety projects and must be loc ...

Trading Tools Engineer — Embedded Desk, Low‑Latency

A diversified trading firm is seeking a Software Engineer to collaborate with trading desks and enhance trading tools. The role involves ownership from prototype to production, while working with multiple languages, including Python, Java, and C++. Ideal candidates will have a minimum of 2 years of experience in ...

Senior Data Analytics Lead — Growth & Strategy

A leading Ed-Tech company in Greater London is seeking a Staff Data Analyst. The role involves owning the data strategy for critical product domains, partnering with executives to influence investment decisions, and executing large-scale analyses. Ideal candidates will have a solid background in strategic analyt ...

Crypto Front Office Software Lead – Low Latency Trading

A boutique digital-asset firm in London is seeking a Lead Crypto Software Engineer to drive innovative builds in a fast-paced environment. This on-site role demands expertise in Python and Go, with the opportunity to mentor a dynamic team. Candidates should have prior experience in front-office environments and ...

Software Engineer I, Forensic Intelligence (Hybrid)

A global technology company in Greater London is seeking a Software Engineer in Forensic Intelligence. You will develop features for forensic tools that aid public safety agencies in analyzing video evidence. Applicants should have a Bachelor's in Computer Science or related field and experience with TypeScript, ...

Prediction Markets Software Engineer — Real Time Trading

A leading diversified trading firm is seeking Software Engineers for their Prediction Markets Desk. The role involves building and maintaining trading systems that leverage real-time pricing and trading strategies, requiring strong proficiency in Python. Candidates should have at least 2 years of relevant experi ...

Software Engineer Crafting Scalable Solutions

A cutting-edge AI firm is seeking an ambitious Software Engineer to join their Defence team in London. This role involves building cloud and edge computing solutions, delivering robust software, and collaborating with cross-functional teams. Candidates should be proficient in Python and familiar with modern depl ...

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 ...

Hands On Data Engineer for AI Driven Pipelines

A growing data and analytics firm is seeking a hands-on Data Engineer to design and build data pipelines for analytics and decision-making. The ideal candidate will have strong skills in Python and SQL, and experience with ETL processes. This role offers exposure to enterprise-scale data and AI projects, along w ...

Graduate Data Scientist Client Solutions

A leading payment technology firm in Greater London seeks a Data Scientist Graduate to develop analytics-driven solutions for external clients. The role involves applying predictive modeling, analyzing data, and collaborating with consultants to improve client outcomes. Ideal candidates will hold a quantitative ...

Subscriptions Backend Engineer — Scale Premium Memberships (Visa)

A leading software company is looking for a Backend Engineer to join their Subscriptions team. This role involves building systems that power premium memberships for millions of users globally. Key responsibilities include designing and scaling subscription services, payment integrations, and billing infrastruct ...

AI Driven Data Analyst for Growth & A/B Testing

A rapidly growing AI firm in Greater London is seeking a Data Analyst to analyze product performance and design A/B tests. You will work with large datasets to influence product roadmaps and real-time experiences. Ideal candidates have 2-3 years of data analytics experience, proficiency in Python, SQL, and A/B t ...

Java Software Engineer – Greenfield Trading Platform (London)

A dynamic sports betting startup in London is seeking Java Software Developers to join their innovative team. The role involves working with quantitative researchers and talented engineers to build data integrations and support systematic trading models. Candidates should have at least 3 years of Java developmen ...

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, ...

Impactful Full Stack Engineer for Trading Platform

A growing investment bank in Greater London is looking for a Full-Stack Engineer to develop trading system components and maintain production systems. Ideal candidates should possess a Bachelor's degree in a relevant field and have practical experience in Java, Kotlin, or Python. This role offers the chance to m ...

Field Deploy Software Engineer (Hybrid, UK)

A technology-focused organization in London seeks a Forward Deployed Engineer to deliver technical solutions in high-stakes environments. The ideal candidate will bridge the gap between advanced platforms and mission requirements, utilizing strong software engineering skills in Python and Java. Responsibilities ...

Principal Software Engineer Fleet Automation Lead (Remote)

A leading GPU cloud provider in the UK is seeking a Principal Software Engineer to lead the development of their Fleet Manager platform. The successful candidate will own the architecture of Python-based automation systems. Responsibilities include mentoring a team of engineers and establishing best practices fo ...

Data Platform Engineer: Cloud ETL & Analytics

A global leader in electronic trading is seeking a skilled Data Platform Engineer to enhance their data science platform. The role involves building ETL pipelines, managing production services, and utilizing technologies like AWS and Kafka. Ideal candidates have over 3 years in Data Platform Engineering, strong ...

GIS Technician Flexible, BIM Integrated Geospatial

A recruitment agency is looking for a GIS Technician to support project delivery teams by creating and improving GIS solutions. The role involves developing geospatial outputs, integrating BIM and CAD data, and automating workflows. Ideal candidates will be proactive, strong communicators, and skilled in ESRI to ...

Applied AI Software Engineer: Build Scalable AI Solutions

A global quantitative finance firm in London is seeking a Software Engineer to join a new team focused on AI applications. Candidates should have strong programming skills, preferably in Python, and a passion for problem-solving. The role involves building scalable AI-driven products, collaborating with diverse ...

Full Stack Engineer: Pre Trade Analytics & UI (London)

A leading hedge fund in London is seeking a Full Stack Engineer to join their team. You will contribute to high-impact initiatives and develop web-based trading platforms for pre-trade decision-making and risk evaluation. The ideal candidate has strong skills in TypeScript and React, experience with backend lang ...

Senior SDET: Remote API & Data QA Architect

A progressive healthcare technology company based in the UK is seeking an experienced SDET to champion test automation practices. The role involves creating automated testing frameworks, conducting code reviews, and influencing the development of testing strategies. Ideal candidates will have extensive experienc ...

Full Stack Engineer — Build Trading Systems, Early Impact

A growing financial technology firm in the United Kingdom is looking for a Full-Stack Engineer to develop key components of their trading system. Ideal candidates will have a background in Computer Science or similar fields and proven coding experience in Java, Kotlin, or Python. This role offers the chance to m ...

Production AI Engineer: Build Real‑World AI Systems

A technology-driven company in Greater London is seeking an AI Engineer to join their growing team. The role involves designing and building AI systems, model development, and contributing to production engineering. The ideal candidate has 2-5 years of experience with ML or AI systems and strong Python skills. T ...

Senior Infrastructure Engineer AWS, CI/CD, HealthTech

A healthcare technology firm in Greater London is seeking a Sr. Software Engineer to manage and enhance their AWS infrastructure. The role involves overseeing CI/CD pipelines, optimizing ETL pipelines, and ensuring system reliability for healthcare solutions. The ideal candidate will have strong expertise in C++ ...

Backend Engineer, Crypto Trading (Hybrid London)

A leading technology company in London is seeking a Software Engineer to design and maintain backend services for crypto trading. This role requires expertise in Go, Java, C++, C#, or Python, and offers a hybrid work environment. Ideal candidates will have problem-solving skills and a proactive mindset, along wi ...

Biotech ML Scientist: Reasoning and Agentic AI Discovery

A biotech company in Greater London seeks a Machine Learning Scientist to develop advanced AI systems aiding scientific discovery. The role involves creating LLM-driven reasoning systems, collaborating with scientists, and tackling complex biological problems. Candidates should possess advanced degrees in Machin ...

AI Safety Insights Scientist (Chinese)

A leading technology consulting firm in Greater London is seeking a Safety Insights Analyst/Scientist to improve AI systems' safety and performance. This role requires expertise in the Chinese language, strong analytical skills, and proficiency in data tools like SQL and Python. You will work with large datasets ...

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 ...

Generative AI Engineer — Secure Prototyping & Deployment

A leading cybersecurity services company is seeking a Generative AI Engineer to design and implement innovative AI solutions. The role involves fine-tuning generative AI models, optimizing prompts, and ensuring secure deployment. Candidates should have strong knowledge in AI architectures and Python coding skill ...

Data Scientists — Flexible Work & Growth Opportunities

A leading technology company is seeking a Data Scientist to develop data pipelines and machine learning models. This role involves working collaboratively within product squads and encompasses comprehensive responsibilities in optimizing decision-support products. Candidates should have strong knowledge of machi ...

Lead AI & Data Scientist Healthcare (Remote UK)

A leading AI solutions provider in the UK is seeking a Lead Data Scientist to architect and deliver advanced AI solutions. The role involves hands-on leadership and collaboration with clients to solve business challenges through trustworthy AI. Candidates should have a strong background in AI/ML, Python, and tea ...

Senior AI Engineer (Hybrid) — LLM & RAG Systems

A specialist data & AI consultancy in Central London is seeking an experienced professional to lead the design and build of production-grade systems using LLMs. The role involves working across various AI architectures and translating business problems into effective technical solutions. Strong programming skill ...

Hybrid Computational Designer Automation & Visualization

A leading design firm in Greater London is seeking an enthusiastic Computational Designer to join their Global Digital team. In this role, you will collaborate on innovative solutions, develop tools for internal and external use, and explore advanced computational design methodologies. Ideal candidates should be ...

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