1,536,244+ Full Stack Java Developer Python Jobs in UK — Top Companies Hiring June 2026

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Senior Python Engineer Lead Medical Tech Platform

A technology company specializing in healthcare is searching for a technical leader to enhance medical innovations. In this role, you will develop solutions that improve healthcare outcomes while fostering best practices across multiple teams. Candidates should have strong technical skills and experience in ment ...

Data Architect Clinical Knowledge Graph (SPARQL/Python)

Stars Arena in London is looking for an experienced Data Architect specialized in Clinical Knowledge Graph. The role involves designing, developing, and maintaining scalable data pipelines using SPARQL and Python, as well as optimizing complex queries. Knowledge Graph experience is essential. This position is co ...

Senior Software Engineer (Python & C#) — Semantic Search

LexisNexis in Greater London is looking for a Software Engineer III to drive research, design, and software development within the LNIP intelligence core platform. You will create specifications and develop a semantic search API while implementing best coding practices and maintaining internal tools. T ...

Lead Software Engineer Python (Django) SC Cleared

Lead Software Engineer – Python (Django) – SC Cleared – Contract Rate: Up to £750 per day (Umbrella)Duration: 12 monthsLocation: 40% office based (London, Manchester, Birmingham, Cardiff, North East)IR35: InsideSecurity Clearance: SC (essential) The role: A government ...

Technical Team Lead — Python & AWS (Hybrid, London)

Uniting Ambition is seeking a Technical Team Lead (Python/AWS) to guide a talented engineering team in West London. This hybrid position focuses on both technical leadership and team development in a fast-paced environment. Ideal candidates should have over 7 years of software development experience an ...

Low Latency Python Software Engineer – Hybrid London

A high-growth startup in London is looking for a Software Engineer (Python) to join their engineering team. You'll work on a cutting-edge trading platform and tackle real-time data challenges that impact market performance from day one. The position offers competitive compensation between £75k and £120k, along w ...

Finance DataOps Engineer | SQL, ETL & Python | London

Quant Capital is seeking a DataOps Engineer to join their team in London, United Kingdom. The role necessitates at least 2 years of professional experience in financial data, strong SQL skills, and familiarity with ETL concepts. The compensation can go up to £120K, offering a full-time role without vi ...

Senior Python Tools Engineer — TDD & Scalable Tooling

Stars Arena is looking for a Senior Tools Software Engineer based in London, United Kingdom. The ideal candidate must possess proficiency in Python programming, focusing on scalable, maintainable, and test-driven development. This full-time role involves effective communication with team stakeholders and ensu ...

Python Engineer, Prediction Markets – Real Time Trading

A trading firm is seeking a Software Engineer to join their Prediction Markets Desk in London. The role involves building systems to facilitate trading, manage data, and implement strategies in a high-autonomy environment. Candidates should have at least 2 years of experience in Python, strong problem-solving sk ...

Backend Engineer (Python/Django) Build Scalable APIs

Stars Arena is seeking a Midlevel Backend Engineer to join their team in Sheffield, United Kingdom. The ideal candidate will have over 3 years of experience developing backend systems and 4+ years with Python and Django, plus strong SQL skills. This full-time role offers a competitive compensation package, focus ...

Python Engineer — AI Forecasting & Modelling (Energy Markets)

Modo Energy is building AI-powered tools for understanding global energy markets — combining large-scale data, forecasting models, and LLM systems into high-performance interfaces engineers and analysts use every day. We're hiring a backend Python Engineer to join the Modelling team — the brains beh ...

Senior Cloud Data Engineer AWS, Python & Databricks

SoCode Limited, a leading financial data and analytics company, is seeking a Senior Software Engineer to join their team in London. This role focuses on building and maintaining systems for efficient data distribution to clients globally. The ideal candidate will have over 6 years of software engineeri ...

Senior AI Driven SDLC Engineer (Python/FastAPI)

ClearRoute is seeking a hands-on technical lead in Greater London to deliver production-quality Python/FastAPI services on an agile platform. You will work directly with the chief architect and lead by example, owning contributions from development to production. The ideal candidate has strong experien ...

Translational Computational Biologist I/II (R/Python)

Precede is looking for a Scientist I/II in Translational Computational Biology to join their team in Boston, United Kingdom. The ideal candidate is proficient in R (Bioconductor) or Python and is able to work adaptively with minimal direction. Candidates should value diversity and collaborate effectively within ...

Senior AI Platform Architect (Python, React, Azure)

A dynamic Managed Service Provider in Scotland seeks a seasoned Architect to shape their AI platform. This role involves designing scalable, secure architectures, leading Python and TypeScript integrations, and being the driving force behind technical decisions. Candidates should have over 6 years in software en ...

Senior LNG Quant Analyst — Python, SQL, Modeling

Senior LNG Analyst (Permanent) London, UnitedKingdom Posted 9 months ago Petroineos Trading Limited Technical Skills Python SQL Analyst Requirements Knowledge of stochastic modelling techniques such as sen ...

Quant Technologist: C++/Python, Microservices in Finance

Golang Works is seeking a Quant Technologist to engage directly with quant researchers and portfolio managers in London. This full-time role offers a unique opportunity to work with cutting-edge technologies including C, Python, and Kubernetes. The ideal candidate will have experience in microservices ...

Pricing ML Engineer: Python, GLMs/GBMs, Production

An Insurance Recruitment Firm is seeking a pricing data scientist or ML engineer in Manchester. This position offers a hybrid work environment with 2-3 days in the office, focusing heavily on Python-driven pricing models. Candidates should have strong experience in ML, GLMs, and production modeling. The role pro ...

Python QA Automation Engineer – AI & Agentic Systems

Airswift is seeking a Python QA Automation Engineer to ensure the quality and reliability of AI services based in London. This full-time position involves building automation frameworks, designing evaluation pipelines, and implementing tests using Pytest and BDD. Ideal candidates will have strong Pytho ...

Lead Software Engineer (Python & Django) SC cleared

Are you a skilled Lead Software Engineer specialising in Python and Django, looking for an impactful contract opportunity? Evodia Limited is partnering with a prominent client in the government sector to find a talented professional for a 12-month contract role that combines technical leadership with meani ...

Software Engineer III Python, Cloud, Data, AIML

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level.As a Software Engineer III at JPMorgan Chase within the Commercial & Investment Bank's Markets Research Technology team, you serve as a seasoned member of an agile team to design and deliver ...

Lead Python Engineer – Social Media Scale Up

Job Description The Role As a senior / Lead python engineer you will join this business at the early stages of a greenfield platform build. You will work closely with the director of engineering and product to deliver a highly scalable backend of a next generation social med ...

Python Quant Researcher – Trading Pod – Hedge Fund

Salary: up to £160k base + £150-200k bonusJob Description: One of the world’s most prestigious hedge funds is looking for a Python Quant Researcher to join one of their Fixed Income / Rates trading pods.This is a brand-new high-impact role, joining a small PM tea ...

Senior Software Engineer: Python, Django & React Lead

Senior Software Developer Location: UK – Kettering Responsibilities Lead the design, development, testing, and maintenance of software applications. Provide technical leadership and collaborate with stakeholders to meet business needs. Develop Python, D ...

Financial Backend Engineer (Rust/Python) on AWS

A financial technology firm in London is seeking a financial software engineer to join their back-end team. This role involves designing and implementing systems for their award-winning platform. Candidates should have strong programming skills in Rust and Python, a degree in a relevant field, and an interest in ...

Python Senior Developers AI Training Manchester, UK

Overview Prolific is building the biggest pool of quality human data in the world, with over 35,000 AI developers, researchers, and organizations using our platform. Role Senior Python Developer – join our Expert Network to train and evaluate cutting‑edge AI models. Successful c ...

Python Engineer up to £60,000 + Bonus Hybrid

Python Engineer Salary: Up to £60,000 + Bonus + Benefits Location: Belfast - Hybrid (2-3 days per week onsite) Working Hours: 40 hours per week - Full time Job Type: Permanent A globally establishe ...

Research Engineer: Computational AI (Python, NLP) London

Oliver Bernard is seeking a Research Engineer specializing in Computational Science to join their team in Greater London. The ideal candidate should have a strong background in Python, NLP, and Deep Learning, and be comfortable with both research and engineering tasks. This opportunity involves working ...

Python Software Engineer – CI/CD & Agile Delivery

A leading international Telco is seeking a Software Development Specialist in Newbury, United Kingdom. This role focuses on developing scalable software in Python and automating operational processes. As part of a dynamic team, you will apply agile methodologies to deliver high-quality solutions. The ideal candi ...

Data Scientist (Python & SQL) Freelance AI Trainer

Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. What This Opportunity Involves Design original computational data ...

Graduate Python Engineer Build Scalable APIs & Pipelines

Revolut Ltd is seeking recent graduates for the Graduate Programme 2027: Software Engineer (Python). Successful candidates will develop scalable systems, create data pipelines, and build APIs within a fast-paced, diverse team environment. Candidates should have a relevant degree and strong problem-solving ski ...

Senior Python Backend for Forecasting AI Agents

A cutting-edge AI firm is seeking a talented backend engineer to develop the infrastructure for autonomous AI systems. You will work closely with founders to design data pipelines, architect backend services, and ensure optimal integration of various components. The ideal candidate has over 5 years of experience ...

Data Analyst — Python, RFPs & Stakeholder Impact (London)

Stars Arena is looking for a Data Analyst - Distribution to drive data initiatives in London, United Kingdom. The ideal candidate will have a strong proficiency in Python and a solid understanding of RFP structures and databases. This full-time role requires excellent stakeholder management and present ...

Senior Backend Engineer (Python, APIs) Mentor & Scale

Stars Arena is seeking a Senior Backend Engineer in London, United Kingdom. The role requires expertise in Python and APIs, along with the ability to mentor team members. As a full-time position, the candidate must take ownership of projects and understand data management and infrastructure. This oppor ...

Offshore Structural FEA Engineer — Sub modelling & Python

Stars Arena is seeking an Offshore Structural FEA Engineer based in London, UK. The ideal candidate will have experience in programming (Python primarily, with C++ as a bonus) and proficiency in Structural Analysis using company-standard modelling techniques. Responsibilities include sub-modelling and the use of ...

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 ...

Remote Python AI Engineer (Contract) — FastAPI Expert

Mercor is seeking a Python Software Engineer (SWE) to develop and maintain cutting-edge Python systems. This role is remote with a commitment of 20 hours per week, and offers compensation of $100 per hour. The ideal candidate will have experience with modern Python best practices, including FastAPI and ...

QA SDET (Python) — Automation & Agile QA Lead

A global technology services leader in Greater London is seeking a Quality Assurance professional to collaborate with cross-functional teams, participate in agile processes, and oversee testing activities. The ideal candidate will have experience with programming languages such as Python and testing tools like B ...

Senior Python Engineer – Trading Risk & Finance Tech

Engelhart CTP Group is hiring a Python Software Engineer to join their Risk, Finance & Compliance technology team. The ideal candidate will have approximately five years of experience, particularly in commodities trading, and will take ownership of projects from design to deployment. The role offers th ...

ML & Backend Engineer — Rust/Python, Equity, Remote

Sqwish is looking for a backend engineer in Cambridge to build product infrastructure for AI solutions. The role entails developing low-latency APIs, maintaining data integrity, and supporting machine learning systems. Team members will work closely with research and product teams to design efficient and reli ...

Distributed Compute Engineer (Python) — Scale Driven Platform

Hunter Bond is looking for a Distributed Compute Engineer to design and develop systems central to a next-generation compute platform in London. The role involves addressing challenges in resource allocation, fault tolerance, and performance optimisation. Ideal candidates will possess over 4 years of r ...

Senior Python Backend Engineer FinTech, Hybrid London

Signify Technology is seeking a Senior Software Engineer to join a fintech company in London. This role involves designing scalable backend applications and collaborating closely with teams to enhance business-critical platforms. Ideal candidates will have over 5 years of experience, strong skills in P ...

Senior Python Backend Engineer Remote or Hybrid

Roc Search is seeking an experienced Software Engineer to join their Internal Tools team in London. This role is focused on building systems that support deployment and operation of their AI products, requiring Python expertise and experience in web applications. The position offers a hybrid or remote ...

AI Engineer Microsoft & Python, Production AI Solutions

Adepta Partners is seeking an AI Engineer for a 6+ month contract based in Belfast. This role involves developing and implementing AI solutions using Microsoft technologies and Python within a major AI-driven innovation programme. The ideal candidate will have hands-on experience in AI engineering and ...

Backend Engineer (Go/Python) | AWS | Onsite Cambridge

IC Resources is expanding its software engineering team in Cambridge. They are looking for a Backend Software Engineer to work on significant public-facing projects. The ideal candidate will have over 5 years of experience in web service development and be proficient in technologies such as Go and Python. </p ...

Software Engineer (Rust/Python) – Build Distributed Systems

A leading betting exchange company in Greater London is seeking a Mid-Level Software Engineer to design and maintain core services. Candidates should have over 4 years of experience with Python or a compiled language, strong communication skills, and a passion for technology. The role involves collaborating with ...

Junior ML Engineer: Python, Production Ready Models

Information Tech Consultants is looking for a Junior Data Scientist specializing in Machine Learning and Python. The successful candidate will transform complex data into actionable insights through predictive modeling and collaboration with cross-functional teams. The role requires a Bachelor's or Mas ...

Lead Python Engineer Front Office Trading Platforms

JPMorgan Chase & Co. in Greater London is seeking a Lead Software Engineer for the Corporate and Investment Banking team. Responsibilities include writing high-quality Python code, collaborating with traders, and enhancing trading workflows. The ideal candidate will have over 5 years of experience and ...

Senior Python Engineer: Finance Data Pipelines & APIs

Hunter Bond is looking for a Senior Python Engineer to join their high-performing global team. You will be responsible for building and enhancing critical backend platforms that support complex trading, risk, and data workflows. The ideal candidate will have strong Python development skills and be fami ...

Senior AI Engineer Python LLM Finance Consultancy

Senior AI Engineer (Python LLM MLOps) London / WFH to £90kAre you an experienced Software Engineer with a strong knowledge of AI, LLMs and agentic coding?You could be progressing your career at a global finance technology consultancy, working with clients including global Investment Banks ...

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    Full Stack Java Developer Python Jobs in United Kingdom Job Search Guide, Trends and Insights