Python Developer Software Engineer Jobs in UK

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Senior ML Engineer: Ranking & Recommendations, Own ML Infra

A fast-growing startup in Greater London seeks a Senior Machine Learning Engineer to establish the recommendations infrastructure from scratch. This role offers significant ownership, working closely with Data, Product, and Engineering teams to embed ML capabilities into the user experience. Ideal candidates hav ...

AI Engineer – Production LLM Systems & Agent Orchestration

A growing AI consultancy in the UK is seeking an experienced AI Engineer to design, build, and deploy production-grade AI systems. The role focuses on integrating large language models with an emphasis on reliability and scalability. Candidates should possess hands-on experience with LLM APIs, solid Python profi ...

Senior Revenue Engineer Hybrid Pricing Infra (London)

A leading mobility solutions provider is looking for a Senior Revenue Engineer to design and implement pricing infrastructure and systems. You will collaborate with various teams to ensure the reliability and scalability of pricing systems. The ideal candidate has over 5 years of backend engineering experience, ...

LLM Infra Platform Engineer — On site London

A technology consulting firm in London seeks an AI Platform Engineer to build and maintain infrastructure for LLM deployment and inference. The ideal candidate will possess strong experience with cloud platforms like AWS, Docker, and Python programming. You'll collaborate closely with AI engineers and data scien ...

Junior Robotics Commissioning Engineer

A robotics technology firm in Oxford is looking for a Robotics Commissioning Engineer. In this full-time role, you will engage in configuring and calibrating robots, working closely with diverse teams to enhance machine functionalities. The position is ideal for fresh graduates with a passion for robotics, knowi ...

Investments Data Engineering Leader (Hybrid)

A global financial powerhouse in London seeks a Lead Investments Data Engineer to lead and mentor a high‑performing data engineering team. You will shape the direction of investment data platforms while driving innovation in a collaborative and flexible hybrid environment. The ideal candidate will have extensive ...

Founding Full Stack/Platform Engineer — AI SaaS, Equity

A tech startup is seeking a Full-Stack/Platform Engineer to be a foundational hire in developing an AI-native platform. Responsibilities include owning the technical lifecycle, designing production SaaS solutions, and scaling AWS infrastructure. The ideal candidate has 7+ years of experience with strong skills i ...

Back‑Office AI Adoption Engineer

A leading trading technology firm in Greater London is seeking an AI Adoption Engineer to integrate AI solutions into back office functions such as Finance and HR. This role requires a blend of technical expertise and interpersonal skills to collaborate with various stakeholders. Candidates should have a Bachelo ...

Analytics Engineer: Data Modeller & Metrics Builder

A leading tech company in Scotland is seeking a data analyst/data engineer with strong SQL and Python skills. The role involves building and maintaining analytics layers, collaborating on data models, and managing data flows end to end. Candidates should have a minimum of 5 years in analytics engineering or data ...

Full Stack Engineer for AI Web Apps (React/Next.js)

An innovative AI solutions provider in Greater London seeks a skilled Full-Stack Engineer with at least 5 years of experience. The ideal candidate should be proficient in building modern web applications using React and Next.js, with backend development expertise in Python preferred. Responsibilities include des ...

Senior ML Platform & Ops Engineer: Scale AI Pipelines

An innovative Ed-Tech company in Greater London is seeking a Senior ML Platform/Ops Engineer. You will build and maintain ML pipelines, ensuring high reliability and performance. The ideal candidate has over 5 years of experience in production ML systems and is proficient in Python and orchestration tools. The p ...

Production AI Engineer: LLM Systems & Orchestration

A global AI consultancy is seeking an experienced AI Engineer to design, build, and deploy production-grade AI systems powered by large language models. You will create advanced AI applications that address complex problems through robust workflows and multi-agent orchestration. The ideal candidate will have han ...

Agentic AI Engineer — SC Cleared, Hybrid

A fast-growing deep-tech company in the UK is seeking an AI Engineer to develop and integrate agentic AI systems for defence and national security projects. The role requires active SC clearance and strong Python skills, along with experience in deploying AI solutions in complex environments. Applicants will wor ...

AI Fintech Full Stack Engineer — 4 Days/Week in London

A leading global fintech is seeking a Full-Stack Engineer for their new AI Innovation Team in Central London. You will join a greenfield team focused on building an AI Platform for compliance technology. The ideal candidate has over 2 years of engineering experience, with skills in React, TypeScript, and Python. ...

Senior Global Network Engineer VPN, BGP, Cloud

A major financial services firm is seeking a Senior Engineer to enhance its network infrastructure. Responsibilities include designing, deploying, and maintaining network systems, along with operational support for VPN technologies. The ideal candidate will have a Bachelor's degree in Computer Engineering and in ...

Data ETL Test Automation Engineer (Cloud & Pipelines)

A leading data transformation firm in Greater London is seeking a skilled Test Engineer to support data and cloud transformation programs. The ideal candidate will focus on test automation and data validation, ensuring data quality and alignment with client objectives. Key responsibilities include designing auto ...

Cryogenic ASIC Evaluation Engineer — Equity & Flex

A leading technology firm in England is seeking an experienced ASIC Evaluation Engineer to join their ASIC design group focused on developing measurement solutions for cryogenic-compatible ASICs. The ideal candidate will have over 8 years of high-performance electronics design experience, strong Python skills, a ...

Cryogenic ASIC Evaluation Engineer — Equity & Flex

A leading technology firm in England is seeking an experienced ASIC Evaluation Engineer to join their ASIC design group focused on developing measurement solutions for cryogenic-compatible ASICs. The ideal candidate will have over 8 years of high-performance electronics design experience, strong Python skills, a ...

Human‑Centered ML Engineer — Evaluation & MLOps

A leading technology company in Greater London is seeking a Machine Learning Engineer to join the Human-Centered AI team. This role involves leading evaluations of advanced AI models, developing frameworks for quality metrics, and collaborating with various teams to improve AI systems. Candidates should have a r ...

Senior AI Prompt Engineer: Lead Scalable AI Systems

A leading financial services organization in the UK is seeking an AI Systems Engineer to design and implement advanced AI systems while collaborating closely with data scientists. Key responsibilities include optimizing AI performance, deploying systems in production, and resolving technical issues. Candidates s ...

Data Engineer: Ingestion & Platforms for Hedge Fund

A leading Global Hedge Fund in Greater London is looking for a Data Engineer to join their team. You'll work closely with investment and business teams, building and maintaining data ingestion processes that play a crucial role in investment decisions. The ideal candidate should have over 5 years of data enginee ...

Senior Test Dev Engineer Pre/Post Silicon Validation

A leading technology firm in Cambridge seeks a Senior Test Development Engineer responsible for both pre-silicon and post-silicon validation and production test development. The candidate should have strong skills in Python and C programming, alongside experience in analog/digital circuits and lab equipment. The ...

Remote Senior API Solutions Engineer – Trading Engine

A leading global blockchain company is seeking a Senior API Solutions Engineer to enhance their Trading API. The ideal candidate will develop open-source libraries and assist major clients in optimizing their trading algorithms. Strong programming skills in Python and/or JavaScript are essential. This role offer ...

Senior Backend Engineer Build AI Driven Data Pipelines

A leading data solutions provider in the United Kingdom is looking for a Senior Backend Engineer to design and build resilient backend services and APIs. This position requires at least 5 years of experience with Scala and Python, operating production backend systems. You will own critical data pipelines and wor ...

Associate Hybrid Data Platform Engineer Cyber Security

A leading retail technology company is seeking an Associate Data Platform Engineer to enhance its Cyber Data Platform. In this role, you will implement data architectures, contribute to data integration frameworks, and promote a culture of high-quality code. Ideal candidates should possess strong skills in SQL a ...

Senior Security Engineer Vulnerability & Cloud Automation

A leading technology firm in Greater London seeks a Senior Security Engineer to spearhead their vulnerability management efforts. In this role, you will collaborate with technical teams to enhance the security infrastructure, manage vulnerability scanning tools, and ensure best practices are maintained. The idea ...

Founding Fullstack Engineer Equity & Autonomy

A VC-backed healthtech AI startup seeks a Founding Fullstack Engineer to be the first technical hire. This high-autonomy role involves building and shipping product features end-to-end. Ideal candidates should have strong experience in React, Next.js, TypeScript, and Python with PostgreSQL. The position offers s ...

AI Enablement Engineer for Enterprise Automation

A leading asset management service provider in the UK is seeking an AI Engineer to embed AI capabilities into their engineering and automation systems. Responsibilities include developing AI-driven solutions, mentoring teams, and ensuring the effective integration of AI technologies. The ideal candidate will hav ...

AI Engineer: 3D Reconstruction for Concrete Imaging

A cutting-edge scanning technology company in Greater London is looking for an AI Engineer to work on innovative solutions that enhance infrastructure safety. The role involves creating 3D models from complex data and collaborating with a multidisciplinary team. Key qualifications include strong data science and ...

Senior Backend AI Engineer for Real Time Analytics

A leading classification society based in Warrington is looking for an experienced Backend Engineer to join their AI Practice Team. The role involves designing and maintaining distributed systems that support performance and scalability for real-time analytics and data-driven applications. Candidates should have ...

Enterprise AI Deployment Architect

A leading AI solutions provider in London seeks a Deployment Engineer to partner with enterprise customers, architect and implement tailored AI solutions, and drive successful adoption of innovative technologies. The ideal candidate has over 5 years of experience, fluency in Python, and a proven track record in ...

Trading AI & Risk Automation Engineer

A leading financial technology company in the UK is seeking an experienced Trading Ops & Risk Systems Engineer to enhance their trading infrastructure. This hybrid role focuses on automating operations using AI and advanced scripting to improve predictive risk modeling and real-time P&L visualization. Candidates ...

Senior AI Engineer — Hybrid, Build AI Features & Growth

A leading financial services firm in the UK seeks an AI Engineer to join their IT-AI team. This role focuses on enhancing AI-powered product features, contributing to Continuous Product Enhancement initiatives. The ideal candidate will have a Master's or PhD (or equivalent experience) along with 3+ years in ML a ...

Senior GenAI Engineer & AI Architecture Lead

A leading financial consulting firm is seeking a Lead AI Engineer (Senior/Principal Consultant) to join their Technology Delivery Team in Edinburgh. The ideal candidate will leverage AI/ML engineering expertise to build and deploy generative AI solutions across the financial services sector. This role offers com ...

Graduate Oracle Cloud Engineer – Defence & Security

A technology company is seeking a motivated Junior Cloud Engineer to join their Defence and Security team. This Bristol-based role involves the deployment and management of secure Oracle Cloud environments, with training in Oracle Cloud Infrastructure. Candidates should have a relevant Bachelor's degree and a ba ...

Hybrid London: Senior Test Automation Architect

A leading IT service provider is seeking a seasoned Test Automation Engineer in London for a hybrid role, requiring 15+ years of experience with core test automation practices. The ideal candidate will have hands-on expertise in automation using Java and Python, along with a deep understanding of CI/CD processes ...

Senior Performance Test Engineer – Remote & Cloud Focus

A dynamic technology company in Manchester seeks a Senior Test Engineer to lead performance testing initiatives. You will drive testing strategies, analyze results, and mentor fellow testers. The role demands over 3 years in testing, proficiency with tools like JMeter and Gatling, and programming experience in l ...

Lead AI Engineer & ML Architect

A dynamic tech company in Greater London seeks a Lead AI Engineer to develop and optimize advanced AI solutions. The role involves leadership in project development, mentoring junior engineers, and ensuring AI solutions are scalable and robust. Ideal candidates should have extensive experience in AI technologies ...

Entry Level ML Engineer Real World Marketing Analytics

A leading global marketing agency is hiring a Junior Machine Learning Engineer for a 6-month fixed-term contract in London. The ideal candidate will have a strong foundation in statistics and machine learning, proficiency in Python and SQL, and a passion for problem-solving. This role offers an opportunity to su ...

Real Time FinTech Research Engineer

A leading fintech exchange in Greater London seeks a skilled engineer with a STEM degree and 3+ years of experience in real-time production Exchanges or HFT Systems. Your role involves designing fault-tolerant, low-latency services while ensuring high standards of culture and decision-making speed. Ideal candida ...

Senior Data Engineer for AI & Analytics – UKI

A global consulting firm is seeking a Senior Consultant, Data Engineer to design and optimize data solutions that enhance AI-driven business transformation. The ideal candidate will have substantial experience in building data pipelines and strong programming skills in Python and SQL. Responsibilities include co ...

Senior Full Stack Engineer, GCP & AI Platform (Remote UK)

A technology consulting firm is seeking a Senior Full Stack Engineer to work on a cloud-native market intelligence platform. The role includes developing and maintaining scalable backend services and user-facing applications using Google Cloud Platform. Candidates should have strong skills in programming languag ...

Enterprise Integrations Engineer (Security Platform)

A mobile security firm based in Belfast is seeking a Technical Solutions Engineer to design and implement integrations with enterprise customer systems. The ideal candidate will have over 4 years of experience in integration engineering, strong Python skills, and a passion for providing customer-first solutions. ...

Lead AI Solutions Engineer Enterprise Pre Sales (Hybrid)

A leading AI solutions company in the UK is seeking a Lead Solution Engineer to help drive pre-sales efforts. This role involves partnering with the sales team to architect AI-driven solutions for major financial institutions. Ideal candidates will have hands-on Python experience and the ability to navigate comp ...

Machine Learning Engineer AI Models & Systems

A leading AI technology company in Greater London is seeking a talented Machine Learning Engineer to develop and implement cutting-edge artificial intelligence products. The role requires designing sophisticated models and refining existing systems. Ideal candidates will have a strong background in programming l ...

Enterprise AI Deployment Engineer — Travel‑Heavy, Customer‑Facing

Anthropic is seeking a Forward Deployed Engineer (FDE) to join our Applied AI team in Greater London. In this role, you'll embed with strategic customers to drive AI adoption, build production applications using Claude models, and collaborate with cross-functional teams. We’re looking for candidates with 4+ year ...

Clinical NLP Engineer Hybrid (London)

A cutting-edge AI company is seeking an experienced NLP Engineer to join their Applied AI team in London. This role involves designing and maintaining NLP pipelines for clinical document processing, training and evaluating models, and integrating LLM components into production systems. The position offers a hybr ...

Senior SOAR Engineer | Automate & Harden Security

Cyber Security training courses is looking for an experienced Senior SOAR Engineer to manage the SOAR platform within a leading investment bank. This vital position requires strong technical skills and collaboration across Security Operations and DevOps teams. Applicants should have extensive experienc ...

Senior AI Engineer: Production Scale LLM & Low Latency

Chubb is seeking an AI Engineer to join their Global Analytics team in London. This role focuses on the full lifecycle of production-grade AI, from training models to architecting high-performance inference pipelines. With a minimum of 5 years in AI/ML engineering, candidates should have deep proficiency in Pyth ...

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 ...

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    Python Developer Software Engineer Jobs in United Kingdom Job Search Guide, Trends and Insights