1 to 25 of 202 Python Engineer Jobs in London

SENIOR PYTHON ENGINEER LONDON £65,000 - £85,000 You’re a problem-solver who thrives on complex data challenges and wants to see your work make a measurable impact? Here’s your chance to join. Work with real-world ML datasets, cutting-edge data systems, and a platform that processes billions of events — all while helping shape how … empowering marketing teams with trusted data and higher ROI. Your work will directly support their mission to make digital advertising more transparent and impactful. THE ROLE As a Senior Python Engineer , you’ll play a key role in building and improving the core platform that powers the AI-driven traffic protection and analytics capabilities. You’ll work closely … high-performance backend solutions that process massive datasets. Specifically, you can expect to be involved in the following: Developing and maintaining large-scale data pipelines and backend systems in Python . Working with AI/ML datasets to help train and deploy new detection models. Building and improving integrations, and working on greenfield product developments. Collaborating with data science More ❯

SENIOR PYTHON ENGINEER LONDON £65,000 - £85,000 You’re a problem-solver who thrives on complex data challenges and wants to see your work make a measurable impact? Here’s your chance to join. Work with real-world ML datasets, cutting-edge data systems, and a platform that processes billions of events — all while helping shape how … empowering marketing teams with trusted data and higher ROI. Your work will directly support their mission to make digital advertising more transparent and impactful. THE ROLE As a Senior Python Engineer , you’ll play a key role in building and improving the core platform that powers the AI-driven traffic protection and analytics capabilities. You’ll work closely … high-performance backend solutions that process massive datasets. Specifically, you can expect to be involved in the following: Developing and maintaining large-scale data pipelines and backend systems in Python . Working with AI/ML datasets to help train and deploy new detection models. Building and improving integrations, and working on greenfield product developments. Collaborating with data science More ❯

Senior Software Engineer (Python) Hybrid London (1–3 days per week) Up to £80,000 + Benefits Are you a passionate Python engineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work , that’s looking for … a Senior Software Engineer (Python) to help shape the next generation of their data-driven tools and products. 💡 Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global brands. Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. Hybrid flexibility … a company that has won multiple Performance Marketing Employer of the Year awards — and genuinely invests in its people. 👩 💻 What you’ll be doing: Designing, building, and maintaining scalable Python-based applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or More ❯

Senior Software Engineer (Python) Hybrid London (1–3 days per week) Up to £80,000 + Benefits Are you a passionate Python engineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work , that’s looking for … a Senior Software Engineer (Python) to help shape the next generation of their data-driven tools and products. 💡 Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global brands. Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. Hybrid flexibility … a company that has won multiple Performance Marketing Employer of the Year awards — and genuinely invests in its people. 👩 💻 What you’ll be doing: Designing, building, and maintaining scalable Python-based applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or More ❯

Senior Software Engineer (Python) Hybrid London (1–3 days per week) Up to £80,000 + Benefits Are you a passionate Python engineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work, that’s looking for … a Senior Software Engineer (Python) to help shape the next generation of their data-driven tools and products. 💡 Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global brands. Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. Hybrid flexibility … a company that has won multiple Performance Marketing Employer of the Year awards — and genuinely invests in its people. 👩 💻 What you’ll be doing: Designing, building, and maintaining scalable Python-based applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or More ❯

Senior Software Engineer (Python) Hybrid London (1–3 days per week) Up to £80,000 + Benefits Are you a passionate Python engineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work, that’s looking for … a Senior Software Engineer (Python) to help shape the next generation of their data-driven tools and products. 💡 Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global brands. Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. Hybrid flexibility … a company that has won multiple Performance Marketing Employer of the Year awards — and genuinely invests in its people. 👩 💻 What you’ll be doing: Designing, building, and maintaining scalable Python-based applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or More ❯

Principal Python Engineer Salary: Up to £130k + bonus Location: London (3x per week) I’m working with a global financial organisation that’s investing heavily in its data and cloud technology platform, and they’re looking for a Python Engineer to join their growing Investment Technology team. You’ll be: Building clean, scalable Python … data, investment, and engineering teams Shaping best practices across CI/CD, DevOps, and agile development What we’re looking for: 5+ years’ experience in software engineering (3+ in Python) Needs to have experience within financial services, fintech, or investment tech! Strong AWS and data engineering experience Solid understanding of APIs, SQL/NoSQL, and modern software design A … problem-solver who enjoys working closely with the business If you’re a Python engineer who loves solving complex data challenges in a collaborative, cloud-first environment — drop me a message: daniel.wexler@sourcegroupinternational.com THIS ROLE DOES NOT PROVIDE SPONSORSHIP More ❯

Principal Python Engineer Salary: Up to £130k + bonus Location: London (3x per week) I’m working with a global financial organisation that’s investing heavily in its data and cloud technology platform, and they’re looking for a Python Engineer to join their growing Investment Technology team. You’ll be: Building clean, scalable Python … data, investment, and engineering teams Shaping best practices across CI/CD, DevOps, and agile development What we’re looking for: 5+ years’ experience in software engineering (3+ in Python) Needs to have experience within financial services, fintech, or investment tech! Strong AWS and data engineering experience Solid understanding of APIs, SQL/NoSQL, and modern software design A … problem-solver who enjoys working closely with the business If you’re a Python engineer who loves solving complex data challenges in a collaborative, cloud-first environment — drop me a message: daniel.wexler@sourcegroupinternational.com THIS ROLE DOES NOT PROVIDE SPONSORSHIP More ❯

Principal Python Engineer Salary: Up to £130k + bonus Location: London (3x per week) I’m working with a global financial organisation that’s investing heavily in its data and cloud technology platform, and they’re looking for a Python Engineer to join their growing Investment Technology team. You’ll be: Building clean, scalable Python … data, investment, and engineering teams Shaping best practices across CI/CD, DevOps, and agile development What we’re looking for: 5+ years’ experience in software engineering (3+ in Python) Needs to have experience within financial services, fintech, or investment tech! Strong AWS and data engineering experience Solid understanding of APIs, SQL/NoSQL, and modern software design A … problem-solver who enjoys working closely with the business If you’re a Python engineer who loves solving complex data challenges in a collaborative, cloud-first environment — drop me a message: daniel.wexler@sourcegroupinternational.com THIS ROLE DOES NOT PROVIDE SPONSORSHIP More ❯

Principal Python Engineer Salary: Up to £130k + bonus Location: London (3x per week) I’m working with a global financial organisation that’s investing heavily in its data and cloud technology platform, and they’re looking for a Python Engineer to join their growing Investment Technology team. You’ll be: Building clean, scalable Python … data, investment, and engineering teams Shaping best practices across CI/CD, DevOps, and agile development What we’re looking for: 5+ years’ experience in software engineering (3+ in Python) Needs to have experience within financial services, fintech, or investment tech! Strong AWS and data engineering experience Solid understanding of APIs, SQL/NoSQL, and modern software design A … problem-solver who enjoys working closely with the business If you’re a Python engineer who loves solving complex data challenges in a collaborative, cloud-first environment — drop me a message: daniel.wexler@sourcegroupinternational.com THIS ROLE DOES NOT PROVIDE SPONSORSHIP More ❯

Founding Python Engineer - VC Backed Start-Up - London Founding Python Engineer required for an early stage start-up building the future of AI-powered data processing. With a founding team coming from some of the most biggest names in the industry and backed by some of the most prestigious VCs and angel investors, this is an … at the ground floor of a company tackling some of the hardest technical challenges of AI. You'll have 2-5 years of professional Software Engineering experience Proficiency in Python Start-Up mentality: thrive in fast paced environments and hungry to take ownership Strong problem solving and collaboration skills Based in London and happy to work in office Why … join World class founding team and leading investors Competitive compensation + meaningful equity Opportunity to impact and take ownership from the very beginning We’re looking for Python Engineers who want to push boundaries, take ownership, and build at the edge of what’s possible in AI. Founding Python Engineer - VC Backed Start-Up - London More ❯

Founding Python Engineer - VC Backed Start-Up - London Founding Python Engineer required for an early stage start-up building the future of AI-powered data processing. With a founding team coming from some of the most biggest names in the industry and backed by some of the most prestigious VCs and angel investors, this is an … at the ground floor of a company tackling some of the hardest technical challenges of AI. You'll have 2-5 years of professional Software Engineering experience Proficiency in Python Start-Up mentality: thrive in fast paced environments and hungry to take ownership Strong problem solving and collaboration skills Based in London and happy to work in office Why … join World class founding team and leading investors Competitive compensation + meaningful equity Opportunity to impact and take ownership from the very beginning We’re looking for Python Engineers who want to push boundaries, take ownership, and build at the edge of what’s possible in AI. Founding Python Engineer - VC Backed Start-Up - London More ❯

Python Engineer – 6-Month Contract (Inside IR35) | £500 per day | Fully Remote Company: Leading Cloud Consultancy Contract: 6 months Rate: £500 per day (Inside IR35) Location: Fully Remote (UK-based candidates only) About the Role We’re working with a specialist Cloud Consultancy who are looking for a talented Python Engineer to join their team on … a collaborative environment, enjoys solving complex engineering challenges, and has experience working across the full software delivery lifecycle. Key Responsibilities Design, build, and maintain backend services and APIs using Python (Flask) Collaborate with cross-functional teams including cloud engineers and frontend developers Deploy and maintain applications on AWS or Azure cloud environments Implement and optimise CI/CD pipelines … to ensure smooth delivery and integration Support application performance tuning, monitoring, and troubleshooting Contribute to code reviews, testing, and documentation Essential Skills Strong commercial experience with Python and Flask Proven experience working in cloud environments (AWS or Azure) Familiarity with frontend integration , ideally React.js Understanding of CI/CD pipelines (e.g. Jenkins, GitHub Actions, GitLab CI, CircleCI, or Azure More ❯

Python Engineer – 6-Month Contract (Inside IR35) | £500 per day | Fully Remote Company: Leading Cloud Consultancy Contract: 6 months Rate: £500 per day (Inside IR35) Location: Fully Remote (UK-based candidates only) About the Role We’re working with a specialist Cloud Consultancy who are looking for a talented Python Engineer to join their team on … a collaborative environment, enjoys solving complex engineering challenges, and has experience working across the full software delivery lifecycle. Key Responsibilities Design, build, and maintain backend services and APIs using Python (Flask) Collaborate with cross-functional teams including cloud engineers and frontend developers Deploy and maintain applications on AWS or Azure cloud environments Implement and optimise CI/CD pipelines … to ensure smooth delivery and integration Support application performance tuning, monitoring, and troubleshooting Contribute to code reviews, testing, and documentation Essential Skills Strong commercial experience with Python and Flask Proven experience working in cloud environments (AWS or Azure) Familiarity with frontend integration , ideally React.js Understanding of CI/CD pipelines (e.g. Jenkins, GitHub Actions, GitLab CI, CircleCI, or Azure More ❯

Opportunity & Requirement Summary 📛 Role | Python Software Engineer 🔵 Company | Growing SaaS Software Provider 📏 Size | 15–20 employees 📍 Location | London (Hybrid – 3 days per week in the office) 💰 Offer | £60,000 – £90,000 + share options + benefits Detailed Overview Kioni Talent is partnering with an innovative SaaS company that’s helping businesses streamline complex workflows through their intelligent software … platform. They’re now looking for a Python Software Engineer to join their close-knit team and play a key role in building and scaling the backend that powers their core product. You’ll be joining a collaborative engineering team of experienced developers, product thinkers, and problem-solvers — all passionate about writing clean, scalable code and continuously improving … their platform. ⭐ What You'll Do Design, build, and maintain backend services using Python (Django/FastAPI) Contribute to architecture and technical design discussions Write clean, maintainable, and well-tested code Work closely with Product and Frontend teams to deliver new features Help improve scalability, performance, and reliability as the platform grows 💥 Your Impact Be a key contributor in More ❯

Opportunity & Requirement Summary 📛 Role | Python Software Engineer 🔵 Company | Growing SaaS Software Provider 📏 Size | 15–20 employees 📍 Location | London (Hybrid – 3 days per week in the office) 💰 Offer | £60,000 – £90,000 + share options + benefits Detailed Overview Kioni Talent is partnering with an innovative SaaS company that’s helping businesses streamline complex workflows through their intelligent software … platform. They’re now looking for a Python Software Engineer to join their close-knit team and play a key role in building and scaling the backend that powers their core product. You’ll be joining a collaborative engineering team of experienced developers, product thinkers, and problem-solvers — all passionate about writing clean, scalable code and continuously improving … their platform. ⭐ What You'll Do Design, build, and maintain backend services using Python (Django/FastAPI) Contribute to architecture and technical design discussions Write clean, maintainable, and well-tested code Work closely with Product and Frontend teams to deliver new features Help improve scalability, performance, and reliability as the platform grows 💥 Your Impact Be a key contributor in More ❯

Opportunity & Requirement Summary 📛 Role | Python Software Engineer 🔵 Company | Growing SaaS Software Provider 📏 Size | 15–20 employees 📍 Location | London (Hybrid – 3 days per week in the office) 💰 Offer | £60,000 – £90,000 + share options + benefits Detailed Overview Kioni Talent is partnering with an innovative SaaS company that’s helping businesses streamline complex workflows through their intelligent software … platform. They’re now looking for a Python Software Engineer to join their close-knit team and play a key role in building and scaling the backend that powers their core product. You’ll be joining a collaborative engineering team of experienced developers, product thinkers, and problem-solvers — all passionate about writing clean, scalable code and continuously improving … their platform. ⭐ What You'll Do Design, build, and maintain backend services using Python (Django/FastAPI) Contribute to architecture and technical design discussions Write clean, maintainable, and well-tested code Work closely with Product and Frontend teams to deliver new features Help improve scalability, performance, and reliability as the platform grows 💥 Your Impact Be a key contributor in More ❯

Senior Python Engineer | London Were partnering with a high-growth AI startup thats building intelligent automation systems designed to simplify complex, real-world operations. Their platform is already redefining how data, workflow, and human decision-making come together and theyre scaling fast. If youre excited by the idea of joining an elite engineering team tackling deep technical problems … in AI, automation, and scalable software systems, this could be the role for you. The Role: As a Senior Python Engineer , youll take ownership of backend design and development, helping to shape the architecture behind cutting-edge AI-driven platforms. Youll work closely with AI and product teams to bring intelligent features into production solving high-impact problems … CI/CD, and documentation. Requirements: Strong academic foundation in Computer Science, Engineering, or related discipline. 3+ years of professional experience in backend or software engineering. Deep expertise in Python and frameworks such as FastAPI, Flask, or Django. Proven experience building and scaling APIs in cloud environments (GCP, AWS, or Azure). Strong understanding of version control, CI/ More ❯

Senior Python Engineer | London Were partnering with a high-growth AI startup thats building intelligent automation systems designed to simplify complex, real-world operations. Their platform is already redefining how data, workflow, and human decision-making come together and theyre scaling fast. If youre excited by the idea of joining an elite engineering team tackling deep technical problems … in AI, automation, and scalable software systems, this could be the role for you. The Role: As a Senior Python Engineer , youll take ownership of backend design and development, helping to shape the architecture behind cutting-edge AI-driven platforms. Youll work closely with AI and product teams to bring intelligent features into production solving high-impact problems … CI/CD, and documentation. Requirements: Strong academic foundation in Computer Science, Engineering, or related discipline. 3+ years of professional experience in backend or software engineering. Deep expertise in Python and frameworks such as FastAPI, Flask, or Django. Proven experience building and scaling APIs in cloud environments (GCP, AWS, or Azure). Strong understanding of version control, CI/ More ❯

Senior Python Engineer | London We’re partnering with a high-growth AI startup that’s building intelligent automation systems designed to simplify complex, real-world operations. Their platform is already redefining how data, workflow, and human decision-making come together — and they’re scaling fast. If you’re excited by the idea of joining an elite engineering team … tackling deep technical problems in AI, automation, and scalable software systems, this could be the role for you. The Role: As a Senior Python Engineer , you’ll take ownership of backend design and development, helping to shape the architecture behind cutting-edge AI-driven platforms. You’ll work closely with AI and product teams to bring intelligent features … CI/CD, and documentation. Requirements: Strong academic foundation in Computer Science, Engineering, or related discipline. 3+ years of professional experience in backend or software engineering. Deep expertise in Python and frameworks such as FastAPI, Flask, or Django. Proven experience building and scaling APIs in cloud environments (GCP, AWS, or Azure). Strong understanding of version control, CI/ More ❯

Senior Python Engineer | London We’re partnering with a high-growth AI startup that’s building intelligent automation systems designed to simplify complex, real-world operations. Their platform is already redefining how data, workflow, and human decision-making come together — and they’re scaling fast. If you’re excited by the idea of joining an elite engineering team … tackling deep technical problems in AI, automation, and scalable software systems, this could be the role for you. The Role: As a Senior Python Engineer , you’ll take ownership of backend design and development, helping to shape the architecture behind cutting-edge AI-driven platforms. You’ll work closely with AI and product teams to bring intelligent features … CI/CD, and documentation. Requirements: Strong academic foundation in Computer Science, Engineering, or related discipline. 3+ years of professional experience in backend or software engineering. Deep expertise in Python and frameworks such as FastAPI, Flask, or Django. Proven experience building and scaling APIs in cloud environments (GCP, AWS, or Azure). Strong understanding of version control, CI/ More ❯

Backend Engineer - Python, Rust Paying £90k-£140K + Equity 5 days a week onsite in Central London Oliver Bernard have partnered with a stealth AI company, founded by world-class engineers with backgrounds from top-tier Silicon Valley firms, is looking to grow its core engineering team in London. This is a rare opportunity to join a well … product-focused startup that's tackling one of the biggest challenges in applied AI: bridging the gap between general models and real-world processes. We’re hiring a Backend Engineer with a strong backend foundation to join a highly technical, fast-moving team. The company is building complex systems that interact with new and novel technologies—this isn’t … team is obsessed with quality, speed, and pushing the boundaries of what’s possible with AI. Your Background 3+ years of professional experience in software engineering Strong expertise in Python and SQL (core stack) Experience shipping complex products or systems Passion for learning and solving hard problems Bonus: Exposure to Rust, C, or TypeScript What You’ll Do Own More ❯

Backend Engineer - Python, Rust Paying £90k-£140K + Equity 5 days a week onsite in Central London Oliver Bernard have partnered with a stealth AI company, founded by world-class engineers with backgrounds from top-tier Silicon Valley firms, is looking to grow its core engineering team in London. This is a rare opportunity to join a well … product-focused startup that's tackling one of the biggest challenges in applied AI: bridging the gap between general models and real-world processes. We’re hiring a Backend Engineer with a strong backend foundation to join a highly technical, fast-moving team. The company is building complex systems that interact with new and novel technologies—this isn’t … team is obsessed with quality, speed, and pushing the boundaries of what’s possible with AI. Your Background 3+ years of professional experience in software engineering Strong expertise in Python and SQL (core stack) Experience shipping complex products or systems Passion for learning and solving hard problems Bonus: Exposure to Rust, C, or TypeScript What You’ll Do Own More ❯

Senior Python Engineer, AI/Blockchain Tech-for-Good platform If building Tech-for-Good is important to you, you may be interested in this Senior Python Engineer role to build a 1st-of-its-kind AI/Blockchain tracking platform for high-value goods, at a scale-up backed by an industry leader! You'd … create a unique digital ID for each commodity. This ID is linked to information about its origin, characteristics, and ownership history of each commodity. What you'll bring: Strong Python exp (5+years) via web frameworks (FastAPI, Django etc), relational databases (Postgres, MySQL etc), Distributed systems or microservice architecture, Rust (desirable) Want more info? Get in touch for an informal More ❯

Senior Python Engineer, AI/Blockchain Tech-for-Good platform If building Tech-for-Good is important to you, you may be interested in this Senior Python Engineer role to build a 1st-of-its-kind AI/Blockchain tracking platform for high-value goods, at a scale-up backed by an industry leader! You'd … create a unique digital ID for each commodity. This ID is linked to information about its origin, characteristics, and ownership history of each commodity. What you'll bring: Strong Python exp (5+years) via web frameworks (FastAPI, Django etc), relational databases (Postgres, MySQL etc), Distributed systems or microservice architecture, Rust (desirable) Want more info? Get in touch for an informal More ❯