Lead Software Developer Python Jobs in UK

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Python Software Engineer – Quantitative Hedge Fund : £120 180k

Are you a world-class Python engineer ready to push your technical limits in one of the most intellectually rigorous environments in finance? Our client is a leading quantitative investment fund—combining deep research, cutting‑edge data science, and sophisticated trading systems to deliver excep ...

Senior Python Software Engineer | AWS, Client Facing, Hybrid

A leading recruitment agency is seeking a Senior Software Engineer (Python) in Bristol. This hybrid role involves working with Agile teams and clients to develop bespoke software solutions. Candidates should have strong Python skills, AWS experience, and client-facing consultancy capabilities. A British passport ...

Senior Software Engineer Build AI Tools (Python, GoLang)

About Citi Citi, the world leading global bank, has approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, includi ...

AI Software Engineer — Build Scalable AI Apps (Python)

A financial technology firm in Greater London is looking to build a new software engineering team focused on applied AI. This role involves collaborating with diverse teams to develop scalable AI-driven applications that solve real-world problems. Strong programming skills in Python and exceptional analytical ab ...

Senior Software Engineer Health Tech (Hybrid, Python/API)

A recruitment firm in Cambridge is hiring a Senior Software Engineer to develop cutting-edge health technology. The role requires strong Python skills, particularly in API development. Responsibilities include writing scalable code and building robust APIs, while working in a collaborative culture that encourage ...

Mid Level Software Engineer (Python) RegTech 2026 UK

Suade is building world‑leading regulatory technology aimed at preventing the next financial crisis. Our success is built on the ability of our engineers to work hand‑in‑hand with domain experts, translating concepts from finance and regulation into code. The RegTech Engineer is at the core of this and is ...

Software Engineer (Python/React) Up to 140k + Bonus

Compensation: Up to £140,000 Base + Industry Leading Bonus + Comprehensive Package A leading FinTech firm in London is seeking a talented Software Engineer to join its growing technology team. This is an opportunity to work in a fast-paced, high-performance trading environme ...

RF Software Engineer: Real Time Python for Lab

Technify Talent is seeking a talented Software Engineer to join an innovative engineering team in the UK. This role focuses on developing high-performance software for advanced radio frequency measurement and optimization on cutting-edge hardware. The ideal candidate has a degree in Electronic Engineering or Phy ...

Software Engineer Python Ubuntu Pro client graduate level

Join to apply for the Software Engineer - Python - Ubuntu Pro client - graduate level role at Canonical Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is widely use ...

Software Engineer (Python/React) Up to 140k + Bonus

Software Engineer (Python / React) Location: London (Hybrid) Experience: 1-5 Years Sector: Elite FinTech Firm Compensation: Up to £140,000 Base + Industry Leading Bonus + Comprehensive Packa ...

Senior Software Engineer Build AI Tools (Python, GoLang)

Citi Belfast, Northern Ireland, United Kingdom Join or sign in to find your next job Join to apply for the GenAI Prompt Security Engineer role at Citi Citi Belfast, Northern Ireland, United Kingdom 2 days ago Be among the firs ...

Senior Software Engineer (Java/Python) for Scalable Systems

hackajob is seeking experienced Software Engineers in Glasgow for their Global Technology team. As part of an agile team, you will design and deliver technology products while developing skills in Java and Python. This role requires hands-on experience in system design and application development to ensure stabi ...

External Job Posting Title Senior Software Engineer Python

Experience and skills we need: Experienced in object-oriented Python programming to build solutions at enterprise scale. API design and management experience using tools and services such as Grafana, FastAPI or RestFul API Experience in optimising and managing databases ...

Senior Front Office Software Engineer (Python/C#/Java)

Bank of America is seeking a Software Engineer III in Bromley, England. This role involves developing financial software solutions, collaborating closely with Traders and Quantitative Analysts, and ensuring compliance. The ideal candidate should have extensive software engineering experience, particularly in fro ...

Software Engineer (JavaScript & Python) in Charing IO Associates

Salary £70,000 - £70,000 per year Requirements We are looking for candidates who possess proficiency in Python, SQL, JavaScript, and TypeScript. Experience with Palantir Foundry architecture is highly desirable. Additionally, we require a consultancy background. Technologies ...

Oxford Robotics Software Engineer — ROS 2, C++, Python

A technology-driven robotics firm in Oxfordshire is seeking a Robotics Software Engineer. This role involves developing and maintaining autonomy software for real-world robotic systems utilizing ROS 2, C++, and Python. Applicants should have proven industry experience or a strong academic background, along with ...

FinTech C++/Python Senior Software Engineer Low Latency

N P Associates is looking for a Senior Software Engineer / Principal Software Engineer with over 8 years experience in C++ and a strong background in Python, especially in the Financial and Banking sectors. The role involves developing high-performance, low-latency code for complex trading systems. Responsibilit ...

Embedded RF Software Engineer C/C++/Python | Growth

Matchtech is seeking a talented Software Engineer to join their innovative development team in East Hampshire, England. This permanent role involves working with Embedded C, C++, and Python to create cutting-edge RF communication and sensor technologies. You will be part of an agile team, contributing to the ful ...

Associate, Full Stack Software Engineer (.Net, Python & React)

About this role At BlackRock, technology is central to our mission, and our team continues to drive innovation across the industry. We value curiosity, collaboration, and a willingness to experiment to tackle complex problems. Here, you’ll experience a collaborative environment where teamwork happ ...

Senior Python AI Software Engineer (Contract, Romania) Romania

Senior Python AI Software Engineer (Contract, Romania) Senior Python AI Software Engineer (Contract, Romania, Remote + Travel) This is a full time contract opportunity for those based in Romania. This role is suitable for candidates based in Romania but will require occasional tra ...

Mid Level Software Engineer (Python) RegTech 2026 UK

Suade is building world-leading regulatory technology aimed at preventing the next financial crisis. Our success is built on the ability of our engineers to work hand-in-hand with domain experts, translating concepts from finance and regulation into code. The RegTech Engineer is at the core of this and is ...

Software Engineer Java/JS/Python with DevOps (Kubernetes)

A leading technology consultancy in the UK is seeking Software Engineers of varying seniority for long-term projects. The role offers contract rates between £500 - £700 per day and permanent salaries from £50,000 to £100,000. Successful candidates will have experience in Java, JavaScript, or Python, along with p ...

Mid Level Software Engineer (Python) RegTech 2026 UK

Suade is building world‑leading regulatory technology aimed at preventing the next financial crisis. Our success is built on the ability of our engineers to work hand‑in‑hand with domain experts, translating concepts from finance and regulation into code. The RegTech Engineer is at the core of this and is ...

Cloud Software Engineer (Python / GoLang) £50k + 10% bonus

3 days in the office - Surrey Innovation for the transportation and motorsports industry.... Opportunities to learn from the best and hone your skills across engineering do not come around often. This is excellent timing, the team are looking for a uni graduate with 2+ years under the ...

Python Software Engineer – Hybrid London, Up to £140k

An elite tech firm in London seeks a Software Developer (Python) offering a competitive salary of up to £140,000 plus bonus and package. The role involves working on some of the highest performing technology platforms worldwide, collaborating with a select group of top talent. The company values its Software Eng ...

Cloud Native Software Engineer (Python/React) – Azure Platform

A financial services company in London is seeking a Software Engineer for their Defined Benefits Team. The role involves designing, developing, and deploying enterprise-grade software. Key tasks include coding in Python and React, working with Azure services, and embedding best practices in DevOps. Ideal candida ...

Senior Embedded Software Engineer – C/C++, Python & SQLite

Java Script Works is searching for a Senior Embedded Software Engineer to join their team in Eastleigh, United Kingdom. This full-time role requires a Bachelor’s degree in engineering and extensive software development experience, particularly in C++. Familiarity with tools like Node.js, Python, and SQLite is de ...

Software Engineer Python (Remote in the United Kingdom)

About KnowBe4KnowBe4, the provider of the world's largest security awareness training and simulated phishing platform, is used by tens of thousands of organizations around the globe. KnowBe4 enables organizations to manage the ongoing problem of social engineering by helping them train employees ...

Software Engineer Python (Remote in the United Kingdom)

About KnowBe4KnowBe4, the provider of the world's largest security awareness training and simulated phishing platform, is used by tens of thousands of organizations around the globe. KnowBe4 enables organizations to manage the ongoing problem of social engineering by helping them train employees ...

Software Engineer (AWS, Python, C#/C++, CFD/FEA)

Software Engineer (AWS, Python, C#/C++, CFD/FEA)Oxford – 3-4 days per week in office.£45000 - £68000 + Package.- Must have aputing/STEM Degree (2:1 or higher).- Can work in their Oxford head office 3-4 days week.- Must have experience with AWS / Distributedputing an ...

Mid Level Software Engineer (Python) RegTech 2026 UK

Suade is building world- leading regulatory technology aimed at preventing the next financial crisis. Our success is built on the ability of our engineers to work hand-in-hand with domain experts, translating concepts from finance and regulation into code. The RegTech Engine ...

Software Engineer (AWS, Python, C#/C++, CFD/FEA)

Software Engineer (AWS, Python, C#/C++, CFD/FEA)Oxford – 3-4 days per week in office.£45000 - £68000 + Package.- Must have aputing/STEM Degree (2:1 or higher).- Can work in their Oxford head office 3-4 days week.- Must have experience with AWS / Distributedputing an ...

Mid Level Software Engineer (Python) RegTech 2026 UK

Suade is building world- leading regulatory technology aimed at preventing the next financial crisis. Our success is built on the ability of our engineers to work hand-in-hand with domain experts, translating concepts from finance and regulation into code. The RegTech Engine ...

Principal Linux/Android Platform Developer (Embedded Software Developer)

Waterbeach, UK (5 days on-site) A global leader in advanced communications technology is looking for a Principal Linux/Android Platform Developer to take a key role in shaping next-generation embedded systems used in mission-critical environments. This isn’t an app role—this is deep ...

Senior Trading Systems Engineer — End to End Trade Stack

OCR Alpha is seeking a Senior Trading Systems Developer to lead the technological framework in their London office. This role requires strong proficiency in C# and/or Python and a minimum of 5 years in software development with a clear ownership trajectory. You will work directly with traders, managing the entir ...

Software Engineer / Developer hybrid working (Permanent)

Software Developer Permanent | Hybrid (willing to travel to Newcastle) | Python | Apache | Data | SC cleared Hybrid work arrangement. Office attendance is up to 60%. Location is flexible: London, Leeds, Newcastle, Sheffield, Blackpool, Manchester and Birmingham. You must be willing to travel to Newcastle wh ...

Software Engineer Hybrid

Software Developer Permanent | Hybrid (willing to travel to Newcastle) | Python | Apache | Data | SC cleared Hybrid work arrangement. Office attendance is up to 60%. Location is flexible: London, Leeds, Newcastle, Sheffield, Blackpool, Manchester and Birmingham. You must be willing to travel to Newcastle wh ...

Software Developer (SFIA 4) SC / Newcastle CEA

Software Developer Permanent | Hybrid (willing to travel to Newcastle) | Python | Apache | Data | SC cleared Hybrid work arrangement. Office attendance is up to 60%. Location is flexible: London, Leeds, Newcastle, Sheffield, Blackpool, Manchester and Birmingham. You must be willing to travel to Newcastle when ...

Software Developer (SFIA 5) SC / Newcastle CEA

Software Developer - SC cleared Permanent Hybrid (willing to travel to Newcastle) Python AI BPSS We are looking for Software Developers with strong Python and AI experience to work at an early stage alongside enterprise architects and senior engineers. You will help research, design and prototype the fou ...

Senior Software Engineer

Senior Software Engineer Why? Lead a Greenfield web and mobile project Tech - Python, Ruby on Rails, React, Next, React Native, AWS If you want to know about the requirements for this role, read on for all the rel ...

Senior Python Engineer Health Tech (Remote)

Tech4 Ltd is seeking a Senior Python Developer to design and maintain their publishing software and customer-facing products. The ideal candidate will have strong experience in Python, AWS, and ReactJS. This hybrid position offers a competitive salary of £64,000 - 70,000 along with excellent benefits. You will b ...

Senior Python Developer Remote, Data Driven Cloud Apps

A technology firm is seeking a Senior Python Developer to design, implement, and maintain high-quality software. This remote role offers flexibility and collaboration opportunities across various UK locations. Candidates should possess strong Python expertise, experience in building production-grade applications ...

Mid Level Python Developer Remote/Hybrid (Flask, AWS)

A leading recruitment agency is seeking a Mid-Level Python Developer to enhance a FinTech company's engineering team. The ideal candidate will design complex systems and write scalable Python code to optimize performance. Candidates should have at least 2 years of experience in Python, knowledge of Flask, SQL ex ...

Python Counterparty Credit Risk Senior Developer, Vice President

The Analytical Calculation Engine (ACE) Development Team is a group within Citi Financial Risk Technology, responsible for developing and implementing the applications used for derivatives credit risk and exposure calculations Firm-wide. The team's primary focus is the development, testing, deployment, ...

Junior Python Developer – Elite Trading Startup (up to £100K + Bonus + Hybrid)

Junior Python Developer – Elite Trading Startup (up to £100K + Bonus + Hybrid) Junior Python Developer – Elite Trading Startup (up to £100K + Bonus + Hybrid) Get AI-powered advice on this job and more exclusive features. This range is provided by Hunter Bond. Your actual pay will be b ...

Backend Developer (python and GCP) £525 inside IR35

Overview Back-End developer (python and GCP) - £525 inside IR35 Responsibilities Experience with frontend technologies including React Strong experience deploying and managing applications on Google Cloud Platform (GCP) Proficiency in designing and integratin ...

Quantitative (Python) Developer Hybrid London Up To 250k!

Quantitative Developer – Python – Central London We’re a fast‑paced blockchain scale‑up looking for Quantitative Developers with proficiency in Python, Pandas, NumPy, and experience from the Trading world. We’re on the lookout for candidates who: Have deep familiarity with the P ...

Senior Python Engineer Front Office Analytics & Trading

A leading technology recruitment company is seeking a Senior Python Developer based in London. The role demands an expert in Python with strong DevOps and data processing capabilities. Key responsibilities include designing high-performance financial software and mentoring junior engineers. Candidates should hav ...

Python Developer (Mid) – AWS, CI/CD, UK Security

A growing software consultancy is seeking a Mid-Level Python Developer in Manchester. This role involves designing, developing, and testing software, primarily in Python, and engaging with AWS solutions while collaborating in an agile team. Ideal candidates will have over 4 years of experience with CI/CD methodo ...

Cloud First Full Stack Developer (AWS, .NET & Python)

A growing Lloyd’s Insurer in Greater London is seeking a Full-Stack Developer. The role involves building and maintaining AWS-based applications, developing cloud-native software solutions using Python and C#, and integrating systems with AWS tools. Ideal candidates will have strong experience in software develo ...

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