Lead Software Developer Python Jobs in UK

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Senior Python Software Engineer

Salary: £250k + bonusSummaryPython Engineers wanted for a leading market maker to join their fast-paced, dynamic engineering team. This role offers the opportunity to contribute to one of the world’s most powerful trading platforms.In this role, you will partner ...

Backend Software Engineer Python

Job Description Backend Software Engineer - Python Location: London (in-office 4 days per week, non-negotiable) - Office is near Holborn EC1 - Please do not apply if you cannot get to the office 4 days (Mon-Thursday) per weekType: Full-time<b ...

Software Engineer Python, Automation

About the RoleThis is a great role for a Software Engineer, Python / SDET , with a background in developing automated tools and tests on resource constrained hardware platforms. These tools and tests will be used daily to further improve our products and help deliver the highest quality s ...

Backend Software Engineer (Python)

About the role:NLPatent is an industry leading AI-first patent research platform that was an early mover in the application of Large Language Models. We use a combination of proprietary and off-the-shelf machine learning models and NLP techniques to help our users answer patent related ...

Senior Software Engineer Python

Vortexa is a fast-growing international technology business founded to solve the immense information gap that exists in the energy industry. By using massive amounts of new satellite data and pioneering work in artificial intelligence, Vortexa creates an unprecedented view on the global seaborne energy flows ...

Software Engineer, Recovery (Python)

Founded by mathematicians and cyber defense experts in 2013, Darktrace is a global leader in cyber security AI, delivering complete AI-powered solutions in its mission to free the world of cyber disruption. We protect more than 9,000 customers from the world’s most complex threats, including ransomware, cl ...

Principal Python Software Engineer

Description Building trusted markets – powered by our people.AtCboeEurope, we inspire our people to solve complex challenges together because what we do matters. We providethe financialinfrastructure that powers the global economy. As a leading provider of market infrastruct ...

Software Engineer (Python/Data)

Location: UK or Portugal only (remote within either location).Department: EngineeringEmployment Type: PermanentAbout YLD:Our goal is to help our clients keep moving forward. We work with them to bui ...

Software Engineer, Opsec (Python)

Founded by mathematicians and cyber defense experts in 2013, Darktrace is a global leader in cyber security AI, delivering complete AI-powered solutions in its mission to free the world of cyber disruption. We protect more than 9,000 customers from the world’s most complex threats, including ransomware, cl ...

Software Engineer (Python/Data)

Location: UK or Portugal only (remote within either location).Department: EngineeringEmployment Type: PermanentAbout YLD:Our goal is to help our clients keep moving forward. We work with them to bui ...

Backend Software Engineer (Python)

About the role:NLPatent is an industry leading AI-first patent research platform that was an early mover in the application of Large Language Models. We use a combination of proprietary and off-the-shelf machine learning models and NLP techniques to help our users answer patent related ...

Principal Python Software Engineer

Description Building trusted markets – powered by our people.AtCboeEurope, we inspire our people to solve complex challenges together because what we do matters. We providethe financialinfrastructure that powers the global economy. As a leading provider of market infrastruct ...

Senior Software Engineer Python

Vortexa is a fast-growing international technology business founded to solve the immense information gap that exists in the energy industry. By using massive amounts of new satellite data and pioneering work in artificial intelligence, Vortexa creates an unprecedented view on the global seaborne energy flows ...

Software Engineer, Recovery (Python)

Founded by mathematicians and cyber defense experts in 2013, Darktrace is a global leader in cyber security AI, delivering complete AI-powered solutions in its mission to free the world of cyber disruption. We protect more than 9,000 customers from the world’s most complex threats, including ransomware, cl ...

Senior Python Software Engineer

Salary: £250k + bonusSummaryPython Engineers wanted for a leading market maker to join their fast-paced, dynamic engineering team. This role offers the opportunity to contribute to one of the world’s most powerful trading platforms.In this role, you will partner ...

Software Engineer Python, Automation

About the RoleThis is a great role for a Software Engineer, Python / SDET , with a background in developing automated tools and tests on resource constrained hardware platforms. These tools and tests will be used daily to further improve our products and help deliver the highest quality s ...

Senior Software Engineer (Python)

In a world of immense uncertainty, digiLab is a pioneering AI company that empowers governments and organisations in safety-critical or highly regulated industries to solve critical, complex, and high-stakes challenges using machine learning and uncertainty quantification. From forging ...

Senior Software Engineer (Python)

In a world of immense uncertainty, digiLab is a pioneering AI company that empowers governments and organisations in safety-critical or highly regulated industries to solve critical, complex, and high-stakes challenges using machine learning and uncertainty quantification. From forging ...

Senior Python Software Engineer

Senior Python Software Engineer Top of the market salaries and healthcare! My client is a multi-strategy hedge fund, looking to add a talented Senior Python Software Engineer to their Cambridge-based development team. You will be contributing to the design, development and mainte ...

Software Engineer, Opsec (Python)

Founded by mathematicians and cyber defense experts in 2013, Darktrace is a global leader in cyber security AI, delivering complete AI-powered solutions in its mission to free the world of cyber disruption. We protect more than 9,000 customers from the world’s most complex threats, including ransomware, cl ...

Python Software Engineer, Backend

Overview Our client is building an elite engineering team applying frontier technologies to major financial challenges. We're looking for bold thinkers, sharp problem-solvers, and builders who want to make an impact. This is a high‑performing, fast‑moving environment with ethics at the core. Expec ...

Software Engineer Python/ Golang

I’m working with a big financial services based in the Manchester, and they’re looking for a Software Engineer(AVP or VP level) with strong Python or Golang experience to join their team. You'll support the AI Accelerator programme , helping to unblock delivery bottlenecks and ensure ...

Senior Software Engineer (Python)

A software company in London is looking for a Senior Developer to join their engineering team. They operate in a fast-paced environment where engineers prioritise quick delivery, practical problem-solving, and real-world impact over perfect code. It’s an outcome-driven culture with plenty of autonomy, wher ...

Backend Software Engineer (Python)

About the role: NLPatent is an industry leading AI-first patent research platform that was an early mover in the application of Large Language Models. We use a combination of proprietary and off-the-shelf machine learning models and NLP techniques to help our users answer patent related research ...

Senior Python Software Engineer

About Abound We’re redefining consumer lending in the UK, and beyond. Using advanced AI and Open Banking data, we make fair, affordable personal finance available to more people. While traditional lenders rely almost entirely on credit scores, we look at the full financial picture – how much you ...

Senior Software Engineer (Python)

Overview Join to apply for the Senior Software Engineer (Python) role at TieTalent . Bristol - fully flexible hybrid / some client visits. Salary up to £65,000 + benefits + discretionary bonus. Responsibilities Support Agile teams that work with a broad sele ...

Software Engineer | Python | Modelling

Overview Software Engineer (Python) – 3 year programme | Inside IR35 | Hybrid Responsibilities Work with data science teams to optimise predictive models and deploy them at scale Build robust, scalable services in Python, with performance-critical elements in C++ </li ...

Senior Software Engineer (Python)

Senior Software Engineer We’re hiring a Senior Software Engineer to play a key role in building and scaling a high-impact ad‑fraud prevention platform used globally. This is a senior IC role for engineers who enjoy ownership, solving complex problems, and setting a high bar for engineering qualit ...

Python Software Engineer Renewables

Job Description Python Software Design Engineer – Renewables Lead Programmer for software tools for a leading renewable engineering company. NB: Please note it is essential to have OO software coding & structural engineering experience in Java, C++, C#, VB, or Py ...

Financial Software Engineer (Python)

We are looking for a Python Software Engineer to join our Client Success Team. The vision of the Client Success Team is to establish a proactive, client-aligned feedback loop that accelerates high-impact feature delivery for the Validus Horizon platform . By doing so, the team enhanc ...

Software Engineer (Python Backend)

About Nevis Nevis is building the world’s first AI wealth management platform. We are building the system financial advisors will run on for the next decade. Our AI completes work, automates workflows end to end, and frees advisors to spend more time with clients. In the future, every wea ...

Financial Software Engineer (Python)

We are looking for a Python Software Engineer to join our Client Success Team. The vision of the Client Success Team is to establish a proactive, client-aligned feedback loop that accelerates high-impact feature delivery for the Validus Horizon platform . By doing so, the team enhanc ...

PHP/Python Software Engineer

The Role We're looking for a Software Engineer skilled in PHP and familiar with Python, ready to make a real impact. You’ll split your time between maintaining and improving our existing PHP/Laravel codebases - powering products like our website, Life Insurance offering, and internal tools - and c ...

Software Engineer Python, Automation

Teamwork makes the stream work. Roku is changing how the world watches TV Roku is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Roku pioneered streaming to the TV. Our mission is to be the TV streaming platf ...

Senior Python Software Engineer

Tesco UK • London • Permanent • Apply by 19-Jun-2026 We're a new team operating with startup urgency to create new customer growth. Expect end‑to‑end ownership-rapid experimentation, fast shipping, and leaning in wherever the work takes you, beyond your job title. If you're ambitious, hard‑w ...

Senior Python Software Engineer

Senior+ Software Engineer - Python | FastAPI | AWS £90,000-120,000 + Bonus and Stock Flexible benefits | 90 day work-from-anywhere perk Remote first or hybrid (London) InsurTech | high traffic, scalable, event-driven, microservices development We’ve p ...

Senior Python Software Engineer

We’re a new team operating with startup urgency to create new customer growth. Expect end‑to‑end ownership—rapid experimentation, fast shipping, and leaning in wherever the work takes you, beyond your job title. If you’re ambitious, hard‑working, and excited to build 0→1 against tall ambitions, you’ll thri ...

Senior Software Engineer (Python)

Join to apply for the Senior Software Engineer (Python) role at CFC Working within our Cyber Data Services or our Data & AI business unit, these roles sit at the core of our Proactive Insurance product offering and CFC’s promise to protect our policyholders from existing and emergin ...

Senior Software Engineer (Python)

Overview In a world of immense uncertainty, digiLab is a pioneering AI company that empowers governments and organisations in safety-critical or highly regulated industries to solve critical, complex, and high-stakes challenges using machine learning and uncertainty quantification. From forging a ...

Senior Software Engineer (Python)

In a world of immense uncertainty, digiLab is a pioneering AI company that empowers governments and organisations in safety‑critical or highly regulated industries to solve critical, complex, and high‑stakes challenges using machine learning and uncertainty quantification. From forging a path to cl ...

Senior Software Engineer (Python)

In a world of immense uncertainty, digiLab is a pioneering AI company that empowers governments and organisations in safety‑critical or highly regulated industries to solve critical, complex, and high‑stakes challenges using machine learning and uncertainty quantification. From forging a path to cl ...

Software Engineer Python/ Golang

I’m working with a big financial services based in the Manchester, and they’re looking for a Software Engineer(AVP or VP level) with strong Python or Golang experience to join their team. You'll support the AI Accelerator programme , helping to unblock delivery bottlenecks and ...

Software Engineer Python/ Golang

I’m working with a big financial services based in the Manchester, and they’re looking for a Software Engineer(AVP or VP level) with strong Python or Golang experience to join their team. You'll support the AI Accelerator programme , helping to unblock delivery bottlenecks and ...

Software Engineer Python/ Golang

I’m working with a big financial services based in the Manchester, and they’re looking for a Software Engineer(AVP or VP level) with strong Python or Golang experience to join their team. You'll support the AI Accelerator programme , helping to unblock delivery bottlenecks and ...

Software Engineer (Backend/Python)

We’re hiring a backend‑leaning Software Engineer to join a high‑performing engineering team that builds and delivers production‑ready AI products used by real customers. This is a hands‑on role for someone who enjoys shipping robust software, taking ownership, and applying modern AI tools i ...

Senior Software Engineer (Python)

The Role Aveni is building next-generation AI systems for UK financial services, where safety, compliance, and trust are non-negotiable. We're hiring a Senior Software Engineer to work on AI and agentic platform capabilities that power intelligent, automated workflows for financial services. This ...

Senior Software Engineer (Python)

Senior Software Engineer – Python | Django | AWS Hybrid 1 day a week - Central London Private medical | Learning budget | Conference allowance | Strong progression opportunities Series B, high-growth AI-driven SaaS scale-up 5 Star Glassdoor with strong engineering culture ...

Staff Python Software Engineer

About Abound We’re redefining consumer lending in the UK, and beyond. Using advanced AI and Open Banking data, we make fair, affordable personal finance available to more people. While traditional lenders rely almost entirely on credit scores, we look at the full financial picture - how much you ...

Software Engineer (C++/Python)

Job Description My client, a global leader in financial technology and capital markets infrastructure, is hiring a C++ / Python Engineer to join an existing team based in Belfast. This is an exciting opportunity to work on next‑generation execution platforms and ultra‑low latency systems ...

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