Senior Software Engineer Fullstack Python React Jobs in UK

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Python Developer Quant Infrastructure Engineer

We are seeking an experienced Python Tech Lead / Quant Infrastructure Engineer to support the development of a modern analytics and engineering platform within Credit and Capital Management. The role focuses on building scalable infrastructure, enhancing development tooling, and improving production enviro ...

Lead Python Engineer – AI & Data

We’re working with a leading consulting firm on a long‑term engagement with a major financial services client. They are looking for a Lead Python Engineer to set the engineering bar across several Python services while remaining highly hands‑on. The opportunity You will: Lead th ...

Newcastle Data Engineer | Python & Databricks

Client Server is seeking a Data Engineer in Newcastle upon Tyne, offering a salary of up to £120,000 per annum, plus bonuses. In this role, you will work closely with front office teams to align data capabilities with business objectives and develop the firm's data platform. Ideal candidates will have a strong e ...

Python Infra Engineer – Remote/Hybrid

hackajob is seeking a Python Developer to join their Infrastructure team in Greater London. The role involves designing and integrating APIs, optimizing lending platforms, and collaborating with a team focused on innovative solutions. Ideal candidates should have strong Python experience, familiarity with FastAP ...

Full stack Engineer (Python & Typescript)

Overview Legal & General (L&G) is a leading UK financial services group and major global investor. We’ve been safeguarding people’s financial futures since 1836, and strive to build a better society, while improving the lives of our customers and creating value for shareholders. We are one of the ...

Remote Python Engineer: Automation & Microservices

Hamilton Barnes Associates Limited is seeking a Python developer to rebuild legacy automation scripts into Python-based microservices. The role involves designing a new automation framework and collaborating with teams on scalable solutions. Must have strong Python experience, understanding of DevOps practices, ...

Python Engineer: APIs, Automation & Backend

ELLIOTT MOSS CONSULTING PTE. LTD. is looking for a proactive Python Developer in Penarth, UK. The candidate will develop and support scalable solutions, focusing on Python applications and automation tools. Responsibilities include enhancing backend services, implementing data workflows, and providing post-imple ...

QA Test Engineer (Ruby/Python)

Requirements Passion for testing and a technical background with experience in manual and automated API/Front-end testing The ability to write concise and accurate bug reports, so that any issues can be easily recreated Experience in basic SQL operations Demons ...

Python Engineer Global Quant Firm

Summary My client is a leading global quant firm looking for a no‑nonsense technologist to join one of their growing quant trading teams based in London. This team is one of the most experienced and profitable at the company. Salary: up to £200k base + bonus Collaborating ...

Full Stack Engineer (Python/TS)

Mid-Level Full-Stack Engineer | Up to £75k + Equity | London A funded AI startup in central London is looking for a mid-level full-stack engineer to join a small, fast-growing team. They help organisations actually embed AI into their teams' daily workflows and are backed with several mil ...

Python Backend Engineer – Hybrid (London)

Premier Group is looking for a skilled Python Developer for a hybrid role in Central London. The position involves developing new features for a key platform, requiring strong expertise in Python and experience with C#. The successful candidate will engage with cloud technologies like AWS and Azure, collaboratin ...

Python Driven Communications Test Engineer

Stars Arena in Milton Keynes is looking for a Communications Test Engineer to develop modular, reusable software in Python. The role involves analyzing and troubleshooting link-performance issues and requires strong analytical skills as well as experience in calibration and metrology. This full-time position off ...

Linux Automation Engineer — Python & Ansible

Quant Capital is seeking a Linux Automation Specialist in London, United Kingdom, offering a compensation of up to £160K. The ideal candidate will be fluent on the command line and skilled in shell scripting, with excellent Python programming skills. Familiarity with tools like Puppet and Ansible is essential, a ...

Lead Backend Engineer, Python Microservices

Lead Engineer, Back End, Agentic intelligence London, UnitedKingdom Posted 12 months ago Tech stack ecosystem Backend Python Job Opportunity at Choreograph: Back-End Engineer Choreograph is seeking an experienced and forward-thinking Back-En ...

AI Driven Python Backend Engineer

Peaple Talent is seeking a skilled Python Developer in Bristol for a permanent position focused on building and evolving the backend services for an AI-driven platform. The ideal candidate will have a proven track record with Python and backend architectures while also demonstrating strong mentoring abilities ...

DLP Security Engineer: Python & Automation

Stars Arena is looking for a DLP Security Engineer in Warwick, UK. The successful candidate will possess skills in Python and scripting for security operations, along with certifications like CISSP, CISM, or CEH. This full-time role emphasizes analytical problem-solving and detail-oriented approaches. Competitiv ...

Splunk Infrastructure Engineer — Python Automation

Stars Arena is seeking a Splunk Infrastructure Engineer in Edinburgh, United Kingdom. The role requires experience in software development or automation scripting, especially using Python or Shell, as well as an understanding of the software development lifecycle. This full-time position offers competitive compe ...

Python Automation Engineer — API & Kubernetes

A technology solutions provider in the UK is looking for a Python developer to build scalable automation solutions for database operations. The ideal candidate should have experience with API development, particularly using FastAPI, and be proficient in Docker and Kubernetes. Responsibilities include troubleshoo ...

Data Engineer (Python Enterprise Developer)

LocationLondon, England, United Kingdom# Data Engineer (Python Enterprise Developer) at N Consulting LtdLocationLondon, England, United KingdomSalary£300 - £350 /yearJob TypeContractDate PostedFebruary 27th, 2026Apply NowWork mode: Hybrid (with 4 days a week at London, Canary Wharf) Contract duration: Long term ...

Full Stack Engineer Python JavaScript

Overview Want to work on technically challenging projects collaborating with a busy, motivated team of software professionals in a friendly environment with a good work / life balance? You could be joining a market leading software house whose remote access product is used by hundreds of ...

Python Backend Engineer – Hybrid (London)

A leading specialist insurer in the UK seeks a Python Developer to grow the engineering team. The ideal candidate will focus on building maintainable backend services and APIs, collaborate with Product Owners, and contribute to CI/CD practices using Azure DevOps. This role offers opportunities for continuous imp ...

Python Engineer Contract Inside IR35

We’re an award‑winning consultancy known for delivering exceptional products and services through technology, helping organisations accelerate value delivery and create outstanding customer experiences. Our purpose is simple: to empower organisations to make a real difference for people, society, and the p ...

Python Engineer – Trading Platform & Tools

A diversified trading firm is seeking a Python Software Engineer to design and develop tools for Traders and Quantitative Researchers. This role involves collaborating across teams to enhance the existing trading platform while ensuring software engineering best practices. The ideal candidate has a Bachelor's or ...

Full Stack Engineer II (Python)

Develop and maintain internal tools: Build full stack applications that enable and streamline the delivery of insights and visualisations by Applied Data Scientists, using technologies like Python, React and AWS.Collaborate with technical consultants: Work closely with consultants to understand projec ...

Backend Engineer Python/Django, Remote

A leading technology company in Greater London is seeking a Backend-focused Software Engineer who will design and improve software solutions for the hospitality industry. The ideal candidate has a Bachelor's in Computer Science and 3+ years of experience, particularly in Python and web applications. This role of ...

Site Reliability Engineer with Python

Site Reliability Engineer with PythonOur Client looking to bring on a site reliability engineer to help deploy, manage, troubleshoot, and enhance our complex cloud-based set of internal tools and externally managed services for a variety of users across our wide-ranging organization.< ...

QA Test Engineer (Ruby/Python)

RequirementsPassion for testing and a technical background with experience in manual and automated API/Front-end testingThe ability to write concise and accurate bug reports, so that any issues can be easily recreatedExperience in basic SQL operations< ...

Python Engineer (Remote) (Aberdeen City)

About the Project Find out more about this role by reading the information below, then apply to be considered. Outlier helps the world s most innovative companies improve their AI agents by providing human feedback. Do you want to shape the future of autonomous agents like OpenClaw? We collaborate with leading A ...

Lead Backend Engineer, Python Microservices

Lead Engineer, Back End, Agentic intelligenceLondon, UnitedKingdomPosted 12 months agoTech stackecosystem Backend PythonJob Opportunity at Choreograph: Back-End EngineerChoreograph is seeking an experienced and forward-thi ...

Graduate RegTech Backend Engineer Python

Suade Labs Ltd is looking for candidates for its Graduate Software Engineering programme based in London. As a RegTech Engineer, you will design and build systems that power regulatory reporting solutions. Applicants should have a bachelor's or master's degree in computer science or a related field, with profici ...

Python Engineering Lead / Founding Engineer

Engineering Lead | Software Manager | Founding EngineerPython - Agentic AI - FastAPI - CI/CDFully Remote (UK / Europe)A small and talented team of talented engineers & data scientists are quietly building something interesting. Well-backed and operating in the AI engineering space, they p ...

Backend Engineer Python/Django, Remote

A leading technology company in Greater London is seeking a Backend-focused Software Engineer who will design and improve software solutions for the hospitality industry. The ideal candidate has a Bachelor's in Computer Science and 3+ years of experience, particularly in Python and web applications. This role of ...

Full Stack Engineer II (Python)

Develop and maintain internal tools: Build full stack applications that enable and streamline the delivery of insights and visualisations by Applied Data Scientists, using technologies like Python, React and AWS.Collaborate with technical consultants: Work closely with consultants to understand projec ...

Quantitative Python Engineer: Data & Optimisation

Jobs via eFinancialCareers seeks a Senior Associate responsible for enhancing data handling solutions through Python programming and collaborative projects. The role requires 2-5 years of experience in quantitative product development, a strong understanding of software best practices, and expertise in libraries ...

Lead Python Engineer, Commodities Platform

A global financial institution in Greater London is seeking a Python Lead Software Engineer to enhance and deliver market-leading technology products for Commodities trading. This role involves executing creative software solutions, developing secure high-quality code, and improving operational stability. Candid ...

Graduate RegTech Backend Engineer Python

Suade Labs Ltd is looking for candidates for its Graduate Software Engineering programme based in London. As a RegTech Engineer, you will design and build systems that power regulatory reporting solutions. Applicants should have a bachelor's or master's degree in computer science or a related field, with profici ...

Test Automation Engineer (Python / Firmware)

MCS Group is working with a pioneer in renewable energy and green technology as they look for an Test Automation Engineer to join them. The role will focus on firmware and embedded systems testing, with automation at its core. You will join on a temporary contract for circa 12 mon ...

Artificial Intelligence Engineer Java/Python

AI Engineer (LLMs, Python & Java) Bracknell (Hybrid) Considering applying for this job Do not delay, scroll down and make your application as soon as possible to avoid missing out.What if you could own and build the AI capability from th ...

Full Stack Engineer (Python/TS)

Mid-Level Full-Stack Engineer | Up to £75k + Equity | London A funded AI startup in central London is looking for a mid-level full-stack engineer to join a small, fast-growing team. They help organisations actually embed AI into their teams' daily workflow ...

Python Engineer (Remote) (Aberdeen City)

About the ProjectFind out more about this role by reading the information below, then apply to be considered. Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. Do you want toshape the future of autonomous agents like OpenClaw?We ...

Python Engineer (Remote) (Glasgow City)

About the ProjectFind out more about this role by reading the information below, then apply to be considered. Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. Do you want toshape the future of autonomous agents like OpenClaw?We ...

Data Engineer Python Databricks Fintech

Job Description Data Engineer (Python Databricks SQL) *Newcastle Onsite* to £120k Do you have a first class education combined with Data Engineering skills? You could be progressing your career at a start-up Investment Management firm that have secure backing, an established Hedge Fund cl ...

Python Engineer – Trading Platform & Tools

A diversified trading firm is seeking a Python Software Engineer to design and develop tools for Traders and Quantitative Researchers. This role involves collaborating across teams to enhance the existing trading platform while ensuring software engineering best practices. The ideal candidate has a Bachelor's or ...

Python Engineer (Remote) (Glasgow City)

About the Project Find out more about this role by reading the information below, then apply to be considered.Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. Do you want to shape the future of autonomous agents l ...

Python Engineering Lead / Founding Engineer

Engineering Lead | Software Manager | Founding EngineerAll potential candidates should read through the following details of this job with care before making an application.Python - Agentic AI - FastAPI - CI/CDFully Remote (UK / Europe)A small and talented team of talented engineers & data scient ...

Python Engineering Lead / Founding Engineer

Engineering Lead Software Manager Founding Engineer Python - Agentic AI - FastAPI - CI/CD Fully Remote (UK / Europe) A small and talented team of talented engineers & data scientists are quietly building something interes ...

Python Engineer (Remote) (Aberdeen City)

About the Project Find out more about this role by reading the information below, then apply to be considered.Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. Do you want to shape the future of autonomous agents l ...

Python Engineer (Remote) (Glasgow City)

About the Project Find out more about this role by reading the information below, then apply to be considered. Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. Do you want to shape the future of autonomous agents like OpenClaw? </b ...

Python Engineer (Remote) (Aberdeen City)

About the Project Find out more about this role by reading the information below, then apply to be considered. Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. Do you want to shape the future of autonomous agents like OpenClaw? </b ...

Python Engineer (Remote) (Aberdeen City)

About the Project Find out more about this role by reading the information below, then apply to be considered. Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. Do you want to shape the future of autonomous agents like OpenClaw? </b ...

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    Senior Software Engineer Fullstack Python React Jobs in United Kingdom Job Search Guide, Trends and Insights