595,260+ Lead Modelling Software Engineer Python Devops Jobs in UK — Top Companies Hiring June 2026

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Scientific Software Engineer Intern: EoS Tuning & PVT Modeling

SLB is seeking a Scientific Software Engineer Intern for 3 months in Abingdon, UK. This internship focuses on asphaltene fluid modeling, requiring knowledge of thermodynamics and programming skills in Python. Responsibilities include literature reviews, data tuning, workflow design, and manuscript preparation ...

Senior UI Infrastructure Engineer — Hybrid, Build Tools

Roku, Inc. in Cambridge, England, seeks a Senior Software Engineer for UI Infrastructure development. Ideal candidates will have extensive experience in C++ and Python, contributing to the robustness of embedded frameworks that impact millions of users globally. This position is integral to developing ...

Backend Engineer AI Driven SaaS Security Platform

A cybersecurity company in Cheltenham is looking for a Backend Engineer to contribute to the development of backend systems for their core product. This role involves building APIs and backend services, with a focus on scalability and performance. Ideal candidates will have 2–4 years of experience in software en ...

Software Engineer, Renewable Energy Platform (Hybrid)

Habitat Energy Limited is looking for a Software Engineer to join their growing UK team based in Oxford. The role involves maintaining and developing applications for their renewable energy platform, while working closely with cross-functional teams. Requirements include 2+ years of Python experience, profici ...

Product Software Engineer Scale HealthTech Impact (Remote Wed)

Flok Health Ltd. is seeking a Product Software Engineer at all levels to join their team in Cambridgeshire. The ideal candidates should have strong programming skills in TypeScript or Python and enjoy collaborating with design and product teams. Responsibilities include building new product features, improving a ...

Generative AI Engineer — Enterprise Scale AI

Writer.com is looking for a Software Engineer specializing in Generative AI to design and optimize AI services and applications. You will work remotely or in their London office, collaborating with product managers and engineers to create impactful AI solutions. Candidates should have 3-5+ years of exp ...

Senior Cloud Platform Engineer | Scalable Infra

PolyAI is seeking a Cloud Infrastructure Engineer to design and manage secure, scalable cloud solutions on AWS and Azure. Responsibilities include improving infrastructure reliability and performance as well as collaborating with engineering teams to implement best practices. The ideal candidate has 5+ ...

Full Stack Engineer AI Powered Debt Markets Platform

A leading AI platform for debt markets is seeking a Backend Engineer to develop systems and functionality for their platform using Python. The role involves collaborating with cross-functional teams to design and implement software that delivers value to clients. Ideal candidates will have experience in API deve ...

Firmware & Test Automation Engineer Embedded & Cloud

Vickerstock is seeking a Software / Firmware Test Automation Engineer in Lisburn, Northern Ireland to join their innovative R&D team. You will work on cutting-edge technologies in the renewable energy sector, executing both manual and automated test solutions. The role requires significant experience in test aut ...

Software Engineer III Global Banking Microservices

Join JPMorgan Chase as a Software Engineer III within the Global Banking Platform. You will be pivotal in enhancing and delivering leading technology products, focusing on scalable microservices and application development practices. The role includes designing systems, writing high-quality code, and c ...

Agentic AI Platform Engineer

A premier financial technology firm in London is looking for an AI Engineer to develop and maintain an innovative agentic platform. This role involves creating and enhancing Python SDKs, implementing best practices for agent development, and delivering tailored AI solutions for the business. The ideal candidate ...

Senior Quant Trading Engineer Java & Crypto

Quant Capital is urgently hiring for a Senior Software Engineer specializing in Quant Trading based in London, United Kingdom. The role offers a competitive salary range of £150,000-200,000, plus a bonus of £50,000-80,000. The position focuses on developing top-tier trading systems for a leading player ...

Senior Internal Tools Engineer Fintech Platform

A leading cross-border fintech company in Greater London seeks a Senior Software Engineer to enhance internal tools. You will work closely with cross-functional teams to build reliable tools using Python and Kotlin while ensuring high code quality and mentor junior developers. The role requires substantial exper ...

Software Tools Engineer – Cross Platform Dev Tools

A prominent technology company in London is seeking a Software Tools Engineer to develop high-performance applications that facilitate innovative audio and electronics experiences. Successful candidates will have a strong programming background, particularly in Java and Python, a Bachelor's in Computer Science, ...

Research Engineer: Science of Scaling for Safe AI

A leading AI research organization in Greater London is seeking a Research Engineer/Scientist to advance large language models. This role involves research and practical engineering to build reliable AI systems. Ideal candidates should have a strong software engineering background, proficiency in Python, and an ...

Remote Cloud Image Automation Engineer

A leading open source technology firm in Manchester is seeking a Software Engineer to work on Linux and cloud infrastructure. You will design and build features within Ubuntu, automate delivery pipelines, and collaborate with partners like Amazon and Google. The ideal candidate has a Bachelor's degree in Compute ...

Backend Engineer – SC Clearance, Defence Data Pipelines

The Talent Locker Ltd. is seeking an Outside IR35 Backend Software Engineer for a MOD/Defence project in Farnborough. This role offers a contract of £500-550 per day and requires working 1-3 days per week onsite. Responsibilities include backend development, data pipeline management, and API/database i ...

Full Stack Engineer Scale a Data Driven Insurance Platform

A leading digital insurance provider in the UK is seeking a Full-stack Engineer to drive software development on their innovative platform generating substantial revenue. You will leverage Kotlin and Python for backend and data services, while creating engaging frontend applications using React and Typescript. T ...

AI Software Engineer — End to End Enterprise AI, Equity

A VC-backed AI startup is seeking a Software Engineer to join a high-velocity team focused on building synthetic populations that influence critical decision-making. You'll work directly with influential founders, owning features end-to-end while applying your skills in React, Python, and collaboration. The idea ...

Senior Data Engineer – ELT & Analytics (Hybrid London)

RVU Co UK is seeking a Senior Software Engineer (Data) in London to enhance our data infrastructure. You will be crucial in creating data solutions for various teams and ensuring effective data handling. The role involves optimizing our ELT platform and collaborating with teams to improve data systems. ...

Cloud Software Engineer Build Scalable AI Systems

Amazon is looking for a Software Development Engineer I to work in Edinburgh, UK. This role involves designing and building scalable services, contributing to innovative products, and participating in code reviews. Candidates should be enrolled in or have completed a degree in a relevant field and have experienc ...

Full Stack AI Engineer for Scalable Legal Tech

Factor is looking for a Full Stack AI Engineer in Belfast to develop AI-powered tools for legal workflows. This hands-on role requires expertise in Python and FastAPI, aiming to enhance contract intelligence and document processing. The ideal candidate will have 3-5 years of software engineering experi ...

Production AI Engineer for Enterprise LLM Solutions

A leading AI technology firm is seeking an AI Engineer in London to design and deploy production-grade AI systems powered by LLMs. You will work with Fortune 500 companies, transforming complex workflows with cutting-edge AI applications. The ideal candidate has over 3 years of software engineering experience, s ...

Quantum Compiler Engineer — Scientific Software Architect

A leading technology company in the UK is seeking a creative Scientific Software Engineer. You will develop state-of-the-art simulation tools and compilers for quantum computing, collaborating with a team of experts. The role involves designing novel programming languages and integrating existing simulation tool ...

Senior Test Design Engineer — Hybrid York, UK

Adtran is seeking a skilled Senior Test Design Engineer at our York office to develop and implement functional tests for our products. The role involves designing software and hardware for test frameworks, automating tests in C++ and Python, and troubleshooting test equipment. The ideal candidate holds ...

Senior Firmware Engineer Real Time Embedded (Cambridge)

A leading technology recruitment firm in Cambridgeshire is seeking a Firmware Engineer to develop driver firmware for proprietary silicon. The role involves working throughout the entire software development life cycle (SDLC) and validating new silicon chips. The ideal candidate will have over 5 years of experie ...

Senior Embedded Systems Engineer – C/C++, Linux & CI/CD

A technology recruitment firm is seeking a Senior Software Engineer in Southampton, England. The role emphasizes embedded development and includes responsibilities such as leading complex projects, collaborating with stakeholders, and optimizing application architectures. Candidates should have significant exper ...

Senior SDET (Python) – AI Powered Test Architect

A leading streaming platform in Cambridge is looking for a Senior Software Engineer (SDET) to enhance the test architecture and automation systems. The ideal candidate should have over 5 years of experience in test automation design, proficiency in Python, and the ability to drive quality initiatives. You will i ...

Modeling & Simulation Engineer, Advanced Capabilities

Anduril Industries is hiring a Software Engineer for their Maneuver Dominance Advanced Capabilities team in London. This role focuses on leading the development of modeling and simulation applications to support military operations analysis and wargaming. The ideal candidate should be hands-on and a se ...

Senior AI Engineer Healthcare Communications & Secure Data

Niulix is seeking a Software Engineer in Greater London to deploy AI systems in healthcare, focusing on patient communication, triage, and secure data layers using Python. The ideal candidate will have over 5 years of experience building complex, production-grade systems and a proven record of turning ambiguous ...

ML Engineer: Distributed Training & Low Latency Inference

IMC Trading is seeking a Machine Learning Engineer to develop systems that advance the training and deployment of large-scale ML models. Collaborate with experts in hardware and software to enhance trading strategies through innovative solutions. Key responsibilities include building distributed traini ...

Senior Software Engineer in Southampton Matchtech

Staff Software Engineer, Onchain (Applied Cryptography) Location: 108 E 16th Street, New York, NY 10003 Responsibilities Technical mentoring of junior engineers Sprint board management Required Skills Significant experience with embedded C/ ...

AI Quality Assurance Engineer — Automation & Reliability

AI Chopping Block, Inc. is looking for a Software Quality Engineer to ensure the reliability and performance of their innovative AI applications. You’ll define and implement quality assurance strategies while working alongside engineering teams in a hybrid role based in London. The ideal candidate has ...

Senior Fullstack Engineer, Signals Platform & Security

Entrust Corporation is looking for a Senior Fullstack Software Engineer to join their Signals Team in London. The role involves developing secure applications for digital identity and authentication services, working across frontend and backend systems. The ideal candidate will possess 5+ years of expe ...

Remote Senior Full Stack Engineer Equity + AI Impact

Cogna, an ambitious early-stage startup in Greater London, seeks a Full-Stack Software Engineer. You will define and maintain backend architecture and APIs while developing frontend interfaces. With at least 8 years of experience, you'll thrive in a fast-paced environment, building scalable microservices using m ...

Senior Software Engineer Payments & Cross Border Platform

Ebury is seeking a Senior Software Engineer to join our London office in a hybrid capacity. You will be integral in developing our multi-currency account systems, enhancing payment processes. Responsibilities include leading product initiatives, collaborating with cross-functional teams, and mentoring junior eng ...

AI Driven Software Engineer: Build AI Platforms & Systems

The British Intelligence Agencies are seeking a Software Engineer to enhance operations with Artificial Intelligence (AI) solutions. In this role, you'll contribute to integrating today's AI capabilities, support technical excellence, and mentor junior engineers. British citizenship or dual nationality ...

Security Clearance Software Engineer Android & Backend

Addition is looking for a skilled engineer in Farnborough to design and develop secure software solutions. The role involves building Android applications and backend services using Kotlin, Rust, Python, or Go, while collaborating closely with various teams. With a focus on continuous improvement, you ...

VP AI Solutions Architect – Cloud Native & LLM Delivery

A global financial services firm is seeking an AI Application Engineer to design, build, and deploy cloud-native AI applications. This role involves leading development efforts, collaborating with various teams, and ensuring rapid delivery of solutions leveraging AI/ML technologies. Ideal candidates will have ex ...

Full Stack Engineer (1 Year Term) — Drive Food Sustainability

Foodsteps Limited is hiring a full stack software engineer for a 1-year fixed-term role in London. You will be part of a small team making a significant impact on food sustainability through our innovative platform. The role involves working on technical design, implementation, and support of applicati ...

Back End Engineer (Generative AI) in London Neo4j

Staff-Level Full-Stack Software Engineer 108 E 16th Street, New York, NY 10003 Job Description Expand our suite of GenAI offerings. Key Responsibilities Design, develop, and maintain high-performance back-end systems using Python to support GenAI ...

Java Engineer – Hybrid Hedge Fund in London | 30% Bonus

Quant Capital is seeking a Software Engineer for a Small Hedge Fund in London. The role requires strong skills in Java and Python to support a high-profile client. The position offers a competitive compensation package of £90k plus a 30% bonus, with a requirement to be in the office three days a week. This full- ...

Senior GenAI Platform Engineer

RELX INC is seeking a Senior Software Engineer I in Greater London, focused on building generative AI services. You will design and develop scalable backend systems using Python and Java, collaborate with cross-functional teams, and mentor junior developers. This role promotes a healthy work-life balan ...

Senior AI Security Engineer Hybrid, Flexible Hours

A leading AI organization in Greater London is seeking a Security Engineer to safeguard AI systems. Your role will involve building security for large-scale AI clusters and creating secure development practices. Ideal candidates will have significant software engineering experience, a Bachelor's degree in a rele ...

Senior Palantir Engineer: Scalable Data Solutions Lead

A leading technology firm in Budock Water is seeking a Senior Palantir Engineer to design and develop data processing software for large-scale solutions. The ideal candidate will have strong experience in Java, Scala, or Python, and familiarity with data-processing platforms like AWS and Azure. This role emphasi ...

Cloud Platform Engineer: AI Powered Data Infra & Automation

MONY Group is seeking a CLOUD PLATFORM ENGINEER to take charge of building and operating our data platform. You will enhance operational workflows, support analytics and improve engineering practices through automation and AI. This role requires strong software engineering skills, particularly in Pytho ...

Forward Deployed Software Engineer Hybrid & Impactful

Northslope Technologies seeks a Forward Deployed Software Engineer in Greater London to develop and maintain applications that drive business impact. This role involves close collaboration with clients to understand their objectives and design effective solutions. The ideal candidate will be proficient ...

Senior Onboarding Engineer Data Pipelines & AI (Contract)

Silversmith Capital Partners is seeking a Senior Onboarding Engineer on a 6-month contract to join our onboarding engineering team. This critical role involves implementing the En>ACT platform for clients while translating complex data requirements into technical solutions. The ideal candidate will hav ...

AI Platform Engineer: Agent Infrastructure & LLM Systems

Anaplan is seeking an AI Software Engineer to enhance decision-making through our AI-powered scenario planning platform. This role involves designing and building services for AI agents, while ensuring reliability and scalability. The ideal candidate will have a strong background in Python, experience ...

Senior Software Engineer, Unified Trade Platform

DRW Holdings, LLC. is seeking a Senior Software Engineer for their Unified Platform in London. The role involves building robust systems with an emphasis on testing and scalability, designing and programming in languages such as Java, Python, and Clojure. The ideal candidate has experience with micro-s ...

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    Lead Modelling Software Engineer Python Devops Jobs in United Kingdom Job Search Guide, Trends and Insights