Lead Python Software Engineer Python And React Jobs in UK

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Chief OS Performance Expert

Overview As the Chief OS Performance Expert, you will be building our new Optimization team and playing a leading role in optimizing the performance of our new mobile operating systems OS. Responsibilities Performance Optimization: Leverage your extensive experience to enhan ...

Principal DevOps Engineer Secure Cloud Platform Lead

A technology solutions provider is seeking a Principal DevOps Engineer to lead development and implementation of secure cloud environments for public and private sector clients. The ideal candidate should have over 5 years of DevOps experience, expertise with AWS, container orchestration with Docker and Kubernet ...

Lead Instrumentation and Control Engineer

Lead Instrumentation and Control Engineer Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Core Talent Recruitment Hybrid - Working out of either the London / Edinburgh / Leeds Office 2-3 days per Week Salary: Based on e ...

Platform Engineer — AWS, Kubernetes & Terraform

A fast-growing Fintech company based in Central London is seeking a skilled Platform Engineer to design and maintain AWS infrastructure, drive Infrastructure as Code using Terraform, and lead in technical decision-making. This role involves collaboration with engineers to enhance CI/CD pipelines and automation u ...

Senior Software Engineer – FinTech (CRL/IM) Hybrid London

A fintech company is seeking a Senior Engineer to join their Collections and Investor Management team. The successful candidate will lead initiatives to improve borrower experiences, automate processes, and collaborate across teams. Expertise in Python and Ruby is essential, along with strong communication skill ...

Senior GenAI Developer Innovation Labs (VP)

Job Overview Did your personal AI agent lead you to this opportunity? Fantastic! That kind of forward-thinking ingenuity is exactly what we champion at Citi Innovation Labs. Whether by AI or human insight, we're thrilled you're here to discover how you can shape the future of finance with us. </p ...

Senior GenAI Developer Innovation Labs (VP)

Did your personal AI agent lead you to this opportunity? Fantastic! That kind of forward-thinking ingenuity is exactly what we champion at Citi Innovation Labs. Whether by AI or human insight, we're thrilled you're here to discover how you can shape the future of finance with us. Citi Innovation Labs i ...

Senior Software Engineer

Job title: Principal Software Engineer - Autonomy Location: Fareham, Hampshire Responsible to: Autonomy & Control Director Liaison with: All staff, sub-contractors, customers, and suppliers Role overview: To lead the software development o ...

Principal Software Engineer

Job title: Principal Software Engineer - Autonomy Location: Fareham, Hampshire Responsible to: Autonomy & Control Director Liaison with: All Kraken staff, sub-contractors, customers, and suppliers Role overview: To lead the software de ...

Test Engineer (Software and IOT) to £55k ID39298

Test Engineer (Software and IOT) - to £55k - ID39298 This range is provided by Humand Talent. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Software Test Engineer – Hybrid | Oxfordshire Are you passionate about software t ...

Senior Snowflake Engineering Lead

A progressive technology consultancy in Greater London is seeking a Senior Manager - Snowflake Engineer. In this role, you will lead high-quality data engineering projects, leveraging your Snowflake expertise and proficiency in Python and SQL. You will collaborate with cross-functional teams, ensuring alignment ...

Generative AI Lead Engineer — Hybrid in London

A leading global engineering organization is seeking a Lead Engineer specializing in Generative AI to design and deploy high-quality Python applications. You will work with AI tools and AWS services to build impactful features used by thousands daily. This hybrid role offers a competitive salary, comprehensive b ...

Senior ML Scientist – Lead LLM & Production Solutions

A global financial services leader in Greater London is seeking a Machine Learning Engineer. You'll lead the development of machine learning models, mentor junior team members, and collaborate with cross-functional teams to extract insights from data. Required qualifications include proficiency in Python, SQL, a ...

ML Engineer — Production Scale, Real Time Rewards

A fast-growing tech company in the UK seeks a Machine Learning Engineer to lead the delivery of impactful ML solutions. The ideal candidate will have a strong background in statistics and programming, specifically in Python and SQL. This role requires technical leadership capabilities and effective communication ...

Lead ML Engineer — Hybrid, Strategic AI & Delivery

A leading AI consultancy in the UK is seeking a Lead Machine Learning Engineer to guide the technical direction of innovative AI projects. Responsibilities include overseeing project delivery, mentoring engineers, and developing scalable solutions. The ideal candidate has strong Python skills, experience with ma ...

Senior ML Engineer: FinCrime at Scale (Remote)

A fintech innovator located in the United Kingdom seeks a Senior Machine Learning Engineer to lead fraud detection efforts. This role involves full lifecycle model ownership, real-time data processing, and collaboration with cross-functional teams. The ideal candidate will have over six years of experience, stro ...

Front End Engineer

Overview Our client, a world-leading crypto scaleup, is hiring an expert frontend engineer to join their elite, high-performing team. This is a rare opportunity to work at the forefront of crypto trading technology, building real-time, data-rich applications that power decision-making in fast-moving ...

Lead ML Engineer Build Responsible AI (Hybrid)

A leading AI company in the United Kingdom is seeking a Lead Machine Learning Engineer to drive complex AI projects. The role focuses on technical leadership, system design, and team management. Ideal candidates are experts in Python, cloud solutions, and can balance innovation with risk management. Competitive ...

Senior Machine Learning Engineer & Technical Leader Hybrid

A leading AI technology company in Greater London seeks a Lead Machine Learning Engineer to spearhead complex AI projects. You will set the technical direction, manage high-risk environments, and mentor engineers. Ideal candidates have strong Python skills, experience with major cloud solutions, and a passion fo ...

Senior AWS Data Engineer Scalable Pipelines

A financial services consultancy seeks a Principal Data Engineer to design and build cloud-based data pipelines using AWS tools in Glasgow. You'll lead the development of robust solutions and mentor junior engineers. Ideal candidates will have strong expertise in Python, Scala, or Java, along with Big Data techn ...

Senior AI Engineer – Production GenAI & Team Lead

A leading financial services company in Greater London is seeking a Lead AI Engineer to spearhead AI projects. The role involves designing production-ready AI systems, mentoring engineers, and ensuring ethical AI practices. The ideal candidate has proven experience with LLMs, strong Python skills, and a robust u ...

Software/ Platform Engineer

Software Engineer (Application platforms/AWS/Python) London (On-site, London Farringdon office) Full-time, salary: £60,000-80,000 Job Summary Are you passionate about architecting the data and application platform that powers the next generation of AI products? Do ...

Junior Developer

Junior Developer 03 March 2026 London, UK An exciting opportunity has become available to be part of our fast-growing team and to be a key part of the Tech & Innovation function. This role provides an outstanding opportunity to join a growing global integrated marketing advisory a ...

Senior Software Engineer

A long standing client of ours who are growing big time (I'm talking adding a billion - yep with a B to their balance sheet in 4 months!!) They are a technology-first fintech and looking for a Senior Software Engineer (Python) to help deliver reliable, scalable systems at pace. This ...

Back End Engineer

Altium is transforming the way electronics are designed and built. From startups to world’s technology giants, our digital platforms give more power to PCB designers, supply chain, and manufacturing, letting them collaborate as never before. Constant innovation has created a transformative te ...

Backend Engineer Cambridge, England, United Kingdom

Altium is transforming the way electronics are designed and built. From startups to world’s technology giants, our digital platforms give more power to PCB designers, supply chain, and manufacturing, letting them collaborate as never before. Constant innovation has created a transformative te ...

Senior Software Engineer

Overview Recruitment Consultant @ SR2 B Corp | LLB | Talent Specialist in Python | Advocate of Businesses for Good, Animal Protection, and Plant-Based Foods Location: Bristol, UK Are you a Senior Software Engineer with a knack for building and implementing high qual ...

Software Engineer at Undo.io

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network Software Engineer Salary Not Disclosed Company Description Undo.io - Deep-tech software recording platfor ...

Back End Developer

Pay range Range provided by Tiro Partners Limited. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Tiro Partners Limited Location: London, UK (Hybrid) ...

Senior Software Engineer

This range is provided by Maxwell Bond. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Maxwell Bond I help build software development teams across the North West Job ...

Lead ML Engineer Agentic AI & Risk Systems

A leading global financial services provider in Scotland seeks a Lead Machine Learning Engineer to spearhead AI initiatives in Risk Technology. The role involves developing multi-agent systems, leading a diverse team, and collaborating across departments to enhance business value. Candidates must hold a relevant ...

Principal Software Engineer

Job title: Principal Software Engineer - Autonomy Location: Fareham, Hampshire Responsible to: Autonomy & Control Director Liaison with: All staff, sub-contractors, customers, and suppliers Role overview To lead the software developm ...

Senior Software Engineer

Job title: Principal Software Engineer - Autonomy Location: Fareham, Hampshire Responsible to: Autonomy & Control Director Liaison with: All Kraken staff, sub-contractors, customers, and suppliers Role overview: To lead the software de ...

Senior Software Engineer

Job title: Principal Software Engineer - Autonomy Location: Fareham, Hampshire Responsible to: Autonomy & Control Director Liaison with: All staff, sub-contractors, customers, and suppliers Role overview To lead the software developm ...

Frontend Developer Remote First (React & React Native)

A well-established SaaS organization is seeking a Frontend Developer to deliver high-quality UI components across a product suite. You will modernize the front-end architecture, working collaboratively in an Agile environment, with responsibilities including the redevelopment of a native mobile application and c ...

Frontend Developer Remote First (React & React Native)

A well-established SaaS organization is seeking a Frontend Developer to deliver high-quality UI components across a product suite. You will modernize the front-end architecture, working collaboratively in an Agile environment, with responsibilities including the redevelopment of a native mobile application and c ...

Junior Platform Engineer

Junior Platform Integration Engineer | Robotics | Autonomous SystemsWe are seeking a Junior Platform Integration Engineer to join a growing engineering team developing autonomous control systems for marine platforms. This role offers the opportunity to work on real-world robotics and autonomy technologie ...

Middle/Senior Mobile Engineer (React Native)

About InvestEngine InvestEngine is a modern investment platform with a mission to make investing simple, transparent, and accessible. We are building a technology-driven fintech company where engineering is a key driver of business growth. Our mobile application is a strategic part of our ...

AI Team Lead Hands On ML & Production Architect

A leading technology firm located in Cambridge is seeking an AI Team Lead to oversee machine learning and software engineering teams while contributing to model development and architecture. The ideal candidate should have over 5 years of experience in ML/AI, strong Python skills, and a track record of deploying ...

Senior ML Engineer Production AI (Hybrid)

A leading AI company in the United Kingdom is seeking a Senior Machine Learning Engineer to lead AI system development. This role involves designing and deploying scalable ML infrastructure while collaborating with cross-functional teams. Ideal candidates will have robust Python skills, cloud platform experience ...

Remote Lead Software Engineer for Climate Platform

A leading technology firm in the UK is seeking a Lead Software Engineer to take full technical ownership of a high-impact platform serving the public sector. You will lead the architecture and delivery of a reporting platform, ensuring high standards in accessibility, security, and performance. This role require ...

Platform Engineering Lead SaaS & Cloud

A leading legal tech company based in Birmingham is seeking a Manager of Engineering to lead their development team. The role involves overseeing SaaS product delivery, managing project requirements, and ensuring high-quality solutions. Candidates should have 10+ years of software engineering experience, with a ...

Backend Engineer Intern: Build Secure Cloud Microservices

A cybersecurity solutions company in Northern Ireland is seeking early-career Backend Software Engineers to join their Tessian Engineering Group. The role focuses on building and monitoring services using Python and AWS, collaborating closely with teams to enhance product security and usability. Candidates shoul ...

Embedded & Optronics Optical Engineer

Role: Embedded & Optronics Optical Engineer Location: Swindon My client is looking to hire a Embedded & Optronics Engineer, the ideal engineer will have Opto-Electronic skills with Optical Engineering Degree and extensive S/W develop skills. In an ideal world, we wou ...

Embedded & Optronics Optical Engineer

Role: Embedded & Optronics Optical EngineerLocation: SwindonSalary: £ CompetitiveMy client is looking to hire a Embedded & Optronics Engineer, the ideal engineer will have Opto-Electronic skills with Optical Engineering Degree and extensive S/W develop skills.In an ideal world, we ...

Data Scientist — AI, ETL & Analytics for Engineering

A global technology company in Newcastle upon Tyne is seeking a Data Scientist to develop software solutions and predictive models within an engineering consultancy. Responsibilities include designing ETL pipelines using Python and SQL, developing generative AI solutions, and presenting results to clients. Candi ...

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    Lead Python Software Engineer Python And React Jobs in United Kingdom Job Search Guide, Trends and Insights