73,835+ Software Engineer Python Jobs in London, UK — Local Employers Hiring June 2026

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Python Software Engineer

Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individua ...

Python Software Engineer

Job title: Software Engineer Client: Not specified Salary: £120,000 per annum + Benefits Location: London (Hybrid / Flexible Working) The Role We’re supporting a rapidly growin ...

Software Engineer Python

About Vortexa 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 gl ...

Python Software Engineer

London - United Kingdom # Python Software Engineer## Overview## Job descriptionPrima could be the place for you.Since 2015, we’ve been using our love of data and tech to rethink motor insurance and bring drivers a great experience at a great price. Our story began in Italy, where we’ve quickly become the number ...

Python Software Engineer

Requirements Solid Python knowledge A commitment to writing testable, maintainable code Knowledge of SQL and an ability to compose complex queries Basic Linux knowledge Solid knowledge of algorithms and data structures Degree in Computer Sci ...

Python Software Engineer

Job Description Cboe Europe is seeking a Python Software Engineer. As part of a small, talented development team, you will help build and expand the data pipeline and event streaming functionality of the largest equities exchange in Europe, as well as our trade reporting facility and other platfor ...

Python Software Engineer

Job Description Building trusted markets – powered by our people. At Cboe Europe, we inspire our people to solve complex challenges together because what we do matters. We provide the financial infrastructure that powers the global economy. As a leading provider of market infrastructure and trada ...

Python Software Engineer

Roc Search are looking for a Python focused Software Engineer to join a fast-growing technology company who are developing advanced AI solutions to optimise energy efficiency in data centres. Following a recent funding round, they are expanding their engineering team to support rapid growth. They ar ...

Software Engineer Python

Role Summary To design, develop and improve software, utilizing various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. Accountabilities Development and delivery of high‑quality software solutions using ...

Python Software Engineer

Python Software Engineer – Fullstack | Green Tech £40,000-65,000 Python, TypeScript/Reactjs - AWS Hybrid - Essex Energy-tech company Real-world product solving complex problems in industrial energy systems We’re partnered with a fast-growing green-t ...

Software Engineer Python

hackajob is collaborating with Barclays to connect them with exceptional professionals for this role. Join Barclays as a RAD Developer, where you will collaborate closely with Front Office traders and sales teams to deliver innovative solutions in a fast‑paced environment. We are looking for a self‑driven ...

Python Software Engineer

About the role We’re looking for a Software Engineer to help us build high-quality, reliable backend systems that accelerate our mission. This role sits within our mortgage engineering team. You’ll work across the backend stack, owning features end to end: from shaping product and technical ...

Python Software Engineer

Location: On-site London, 5 days per weekSummary:My client is a world-class prop trading firm looking for a Python Software Engineer to join a global multi-asset trading team.This role offers the unique opportunity to influence the design and architecture of expa ...

Python Software Engineer

Description Building trusted markets – powered by our people.At Cboe Europe, 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 infrastru ...

Python Software Engineer AI

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo</st ...

Lead Software Engineer Python

Are you passionate about building innovative technology that powers AI and machine learning across a global organization? As part of our team, you’ll help shape the future of model deployment at scale, collaborating with talented engineers and data scientists. You’ll have the opportunity to work on impactf ...

Backend Software Engineer (Python)

Join a team developing a SaaS platform used to assess over £200bn of non-life insurance business. This is a mid-level software engineering role focused on production-grade Python development rather than research or one-off analysis. Hybrid role based in London (2 days per week in office) You will w ...

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 ...

Backend Software Engineer – Python

A fantastic opportunity has opened for an experienced Backend Engineer to join an innovative technology company in London developing the next generation of intelligent software platforms. This Python focused Software Engineer role offers the chance to work on complex, large-scale systems that connec ...

Specialist Software Engineer (Python)

Specialist Software Engineer, Python Own prototyping and development of new AI security features for the Darktrace platform Location: London Job Tags: Software About The Role Darktrace is a global leader in AI for cybersecurity that keeps organizations ahead of ...

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 ...

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 ...

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 ...

Senior Software Engineer (Python)

About Us: ClearRoute is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We help enterprises reliably bring high-impact digital products to market faster, cheaper, and safer, working with technology leaders facing complex business challenges. ...

AWS/Python Software Engineer

We’re looking for a talented and proactive AWS/Python Software Engineer to join our data engineering team. You will be designing and building data systems, APIs, and event-driven services that power Citywire’s global products. We prototype fast, ship often, and iterate quickly, but we also know whe ...

Python Software/Data Engineer

Overview Software/Data Developer - Market leading HFT/Systematic Trading Firm. Compensation: Up to £250k TC. Location: London. WFH: 4 days in office, 1 from home. Responsibilities Join a data-focused team to develop a greenfield data ingestion platform. Use OO Py ...

Senior Software Engineer (Python)

Are you passionate about leveraging technology to drive positive global change? Want to play a key role in developing innovative data analytics systems for a consultancy that's making waves in the sustainability sector? The client A bit about them? They’re a young, ...

Senior Software Engineer (Python)

About Us: ClearRoute is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We help enterprises reliably bring high-impact digital products to market faster, cheaper, and safer, working with technology leaders facing complex business challenges. ...

Python Software Engineer AI

Mercor Mercor is recruiting U.S./UK/Canada/Europe-based SWEs for a model-training project with a leading foundational model AI lab. Job Overview This is a contract role requiring around 20 hours per week, at least one month long, with pay of $100 per hour based on experience. Succe ...

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 ...

Principal Python Software Engineer

Overview Job Description Building trusted markets – powered by our people. At Cboe Europe, we inspire our people to solve complex challenges together because what we do matters. We provide the financial infrastructure that powers the global economy. As a leading provider of market infrastructure a ...

Software Engineer (Python/React)

Software Engineer (Python/React) Location: UK or Portugal Department: Engineering Hours: Full-time About YLD: Everything we do is to empower our clients to move forward. Our purpose is to help our clients develop the capabilities they need to outperform their competitors. ...

Lead Software Engineer (Python)

Salary: £80,000 - 120,000 per year Requirements 5+ years of professional software development experience. 2+ years of professional experience in Python. 2+ years in a senior software engineer position. Strong communication and team-work skills. ...

Specialist Software Engineer, Python

###Specialist Software Engineer, Python page is loaded## Specialist Software Engineer, Pythonlocations: London Office, United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: JR Darktrace is a global leader in AI for cybersecurity that keeps organizations ahead of the changing threat ...

Software Engineer/ Python Developer

Embark on a transformative journey as a Software Engineer/Python Developer at Barclays. Our vision is clear – to design, develop and improve software using various engineering methodologies that provide business, platform, and technology capabilities for our customers and colleagues. Location: Lond ...

Principal Python Software Engineer

Cboe Europe is seeking a Principal Python Software Engineer. As part of a small, talented development team, you will help build and expand the data pipeline and event streaming functionality of the largest equities exchange in Europe, as well as our trade reporting facility and other platforms. We are firm ...

Senior Software Engineer Python

Company Description Experian is a global data and technology company, powering opportunities for people and businesses around the world. We operate across a range of markets, from financial services to healthcare, automotive, agribusiness, insurance, and many more. Experian invests in people and ...

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 Python Software Engineer

Senior+ Software Engineer - Python/Blockchain £80,000 - £150,000 + bonus + Equity (circa 60-75% of salary) Python, Blockchain, FastAPI, AWS, Kubernetes Hybrid (Central London - 2-3 days a week) Profitable Gov/SecTech Blockchain Scale up High-trust work with ...

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 ...

Software Engineer (Backend, Python)

About Octopus ElectroverseWe’re making electric vehicle ownership as smart and as simple as possible, by building the giant, virtual charging platform of the future.In just three years, Octopus Electroverse has grown to become one of the largest eMobility players globally, with over 1,40 ...

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 Software Engineer Python

Job DescriptionWe are looking for a Backend Senior Software Engineer to help design, build, and operate backend systems. Reporting into our Engineering Director, you will work on production software used by customers and partners, and your work will have an impact on the reliability, usability, and ...

Backend Software Engineer (Python)

About the roleAs the Signal Ocean Platform continues to grow, we’re expanding our engineering team. We’re looking for a Software Engineer capable of building and maintaining scalable back-end data services (primarily in Python) within the Modelling & Data Services team. Signal’s So ...

Senior Software Engineer Python

Job DescriptionWe are looking for a Backend Senior Software Engineer to help design, build, and operate backend systems. Reporting into our Engineering Director, you will work on production software used by customers and partners, and your work will have an impact on the reliability, usab ...

Backend Software Engineer (Python)

About Signal Ocean: Signal Ocean is the technology arm of the Signal Group, providing market-leading advanced machine learning and AI-driven intelligence to shipping and commodities professionals worldwide. Our platform delivers tailored, exclusive insights through web, mobile, and ...

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 ...

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 ...

Senior Software Engineer / Principal Software Engineer C++, Python

Senior Software Engineer / Principal Software Engineer- C++, Python - Financial / Banking Candidates will have a minimum 8+ years C++ experience and excellent knowledge of Python -coming from a Financial / Banking background with knowledge of Equities, Futures & Options and Fixed Income and ...

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    Software Engineer Python Jobs in London Job Search Guide, Trends and Insights