1 to 25 of 196 Python Engineer Jobs in the UK

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 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 ❯

Principal Engineer - Python, AWS, React, TypeScript, Microservices OB have exclusively partnered with an AI Consulting firm who work with enterprise scale clients to transform them into AI & Data transformed businesses. Knowing how AI can transform enterprise scale companies, they are looking to bring in a number of highly skilled Principal Level Engineers to their team, to work on … more. The roles will be heavily weighted toward the Backend (80/20), but you will be expected to work across the Frontend and with Cloud-native Architectures. Principal Engineer - Python, AWS, React, TypeScript, Microservices Principal Engineer: 8+ years of commercial experience Experience guiding multiple teams and helping set technical direction My have strong demonstrated knowledge of … Python Knowledge of frontend technologies - ideally React Strong experience working with cloud-native technologies - ideally AWS Agile ways of working A Consulting background will be highly advantageous Pays £120k-£135k + discretionary bonus + excellent benefits package Hybrid working with 3-days a week required in London offices Principal Engineer - Python, AWS, React, TypeScript, Microservices More ❯

Principal Engineer - Python, AWS, React, TypeScript, Microservices OB have exclusively partnered with an AI Consulting firm who work with enterprise scale clients to transform them into AI & Data transformed businesses. Knowing how AI can transform enterprise scale companies, they are looking to bring in a number of highly skilled Principal Level Engineers to their team, to work on … more. The roles will be heavily weighted toward the Backend (80/20), but you will be expected to work across the Frontend and with Cloud-native Architectures. Principal Engineer - Python, AWS, React, TypeScript, Microservices Principal Engineer: 8+ years of commercial experience Experience guiding multiple teams and helping set technical direction My have strong demonstrated knowledge of … Python Knowledge of frontend technologies - ideally React Strong experience working with cloud-native technologies - ideally AWS Agile ways of working A Consulting background will be highly advantageous Pays £120k-£135k + discretionary bonus + excellent benefits package Hybrid working with 3-days a week required in London offices Principal Engineer - Python, AWS, React, TypeScript, Microservices 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 ❯

Python Software Engineer with strong container orchestration and a passion for machine learning is sought by a high growth scale up based near Cheltenham. Working at the forefront of defence and national security innovation this Python Software Engineer will work within a collaborative engineering function to build bleeding edge AI/ML enabled software solutions that … software engineers with experience working in an R&D/innovation focussed environment who are looking for more end to end project exposure and fast track progression opportunity This Python Software Engineer based near Cheltenham should have most of the following key skills: - Solid Python engineering skills - Containerisation (docker, Kubernetes) - Solid general Machine learning skills - PyTorch,Tensorflow … innovation focused engineering teams would be a plus - Front end skills would be useful - Angular, React etc - An active SC clearance would be a plus but not essential This Python Software Engineer will receive - Starting salary of up to £80,000 - Hybrid working (2 days a week in the office) - Extensive personal development scheme - 25 days holiday 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 ❯

Software Engineer (Python) £40000-60000 GBP Hybrid WORKING Location: Gloucester, South West - United Kingdom Type: Permanent Software Engineer (Python) Gloucester - Hybrid £40-60k plus package Our client, a leading UK Digital Intelligence organisation, is currently seeking a Software Engineer to work on critical National Security projects that help protect nations, governments and businesses against … evolving digital threats and challenges in the most demanding environments. The Software Engineer will have: Strong development experience with Python The aspiration to learn new skills and continuously develop professionally Knowledge of cloud engineering such as AWS, Docker, Microservices e ability to work as part of a team, knowledge share and be involved with Agile ways of working … As a Software Engineer you will: Design, code, test, correct and document simple programs, and assist in the implementation of software which forms part of a properly engineered information or communications system Provide accurate estimates of development effort needed to design, code and test software from given specifications Work with a focus towards Data Processing solutions Contribute to AWS 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 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 DevOps Engineer (Python AWS CDK) Manchester to £110k - urgent hire! Are you a technologist DevOps Engineer with a strong knowledge of AWS? You could be progressing your career in an impactful role at a technology start-up that is producing a software suite for legal firms that massively reduces para-legal workloads, they have seen huge … interest in the product and have a lot of greenfield projects to get stuck into. As a Senior DevOps Engineer you will take ownership of DevOps for the organisation, collaborating closely with one other to improve current processes, properly establish the DevOps function, seek to automate and build CI/CD pipelines. Initially you'll work closely with software … engineers to develop backend services, using Python to script and automate. You'll be working with a modern tech stack including Python, AWS and Amazon CDK within an Infrastructure as Code (IaC) environment. Location/WFH: You'll join a small but growing team based in Central Manchester three days a week with flexibility to work from home More ❯

Senior Data Engineer (Python AWS SQL DBT) Cheshire to £90k Are you a data technologist looking for an opportunity to progress your career in a hands-on, impactful role with lots of ownership? You could be joining a Cybersecurity technology company and enjoying a huge range of perks and benefits from continual learning and self-development opportunities (including … buy any book" policy) through to health and well-being, enhanced paternity packages, generous holiday allowance, inclusive social events and much more. As a Senior Data Engineer you'll lead a significant data re-architecture project, with the autonomy to make the critical data architecture decisions, laying the foundations that will empower the entire business, from product and analytics … through to customer intelligence and commercial growth. You'll collaborate with the business and Data Analysts to expand on and re-engineer the data pipelines, building new scalable services within a modern cloud based (AWS) environment. There's a culture of software engineering excellence, with a collaborative team environment that values knowledge sharing and continual improvement. Location: You'll More ❯

Senior Data Engineer (Python AWS SQL DBT) Cheshire to £90k Are you a data technologist looking for an opportunity to progress your career in a hands-on, impactful role with lots of ownership? You could be joining a Cybersecurity technology company and enjoying a huge range of perks and benefits from continual learning and self-development opportunities (including … buy any book" policy) through to health and well-being, enhanced paternity packages, generous holiday allowance, inclusive social events and much more. As a Senior Data Engineer you'll lead a significant data re-architecture project, with the autonomy to make the critical data architecture decisions, laying the foundations that will empower the entire business, from product and analytics … through to customer intelligence and commercial growth. You'll collaborate with the business and Data Analysts to expand on and re-engineer the data pipelines, building new scalable services within a modern cloud based (AWS) environment. There's a culture of software engineering excellence, with a collaborative team environment that values knowledge sharing and continual improvement. Location: You'll More ❯

Senior Data Engineer (Python AWS SQL) Manchester/WFH to £110k Are you a data technologist who enjoys taking ownership? You could be progressing your career in a senior, hands-on Data Engineer role at a technology start-up that is producing a software suite for legal firms that massively reduces para-legal workloads, they have seen … huge interest in the product and have a lot of greenfield development work to get stuck into. What's in it for you: As a Senior Data Engineer you will receive a competitive package: Salary to £110k 25 days holiday Pension Hybrid working (x3 days office in Manchester) Impactful role with excellent career progression opportunities as the company scales … Your role: As a Senior Data Engineer you will take ownership of the data platform, optimising it for scalability to ensure successful client onboarding. You'll use modern tools (such as Airflow, Prefect, Dagster or AWS Step Functions) for ETL design and orchestration, work on transformation logic to clean, validate and enrich data (including handling missing values, standardising formats More ❯

Senior Data Engineer (Python AWS SQL) Manchester/WFH to £110k Are you a data technologist who enjoys taking ownership? You could be progressing your career in a senior, hands-on Data Engineer role at a technology start-up that is producing a software suite for legal firms that massively reduces para-legal workloads, they have seen … huge interest in the product and have a lot of greenfield development work to get stuck into. What's in it for you: As a Senior Data Engineer you will receive a competitive package: Salary to £110k 25 days holiday Pension Hybrid working (x3 days office in Manchester) Impactful role with excellent career progression opportunities as the company scales … Your role: As a Senior Data Engineer you will take ownership of the data platform, optimising it for scalability to ensure successful client onboarding. You'll use modern tools (such as Airflow, Prefect, Dagster or AWS Step Functions) for ETL design and orchestration, work on transformation logic to clean, validate and enrich data (including handling missing values, standardising formats More ❯

Job Title: Python Software Engineer Client: Scientific Quant Fund Salary: £70,000 - £225,000 Base (+ Bonus) Location: London/Hybrid Role: My client is looking for an experienced Python Software Engineer to join their rapidly expanding development team, leveraging Python to streamline and automate critical processes. With a commitment to the highest tech standards … dynamic team of professionals in an intellectually stimulating environment. Key Requirements: Degree in Computer Science or STEM based subjects. 2+ years of experience in a relevant role such as Python Software Engineer or Quant Developer. Proficiency in modern software development practices, including version control and agile development methodologies. Strong written and verbal communication skills, enabling effective collaboration and … in a fast-paced, adaptable, and high-pressure environment, delivering results efficiently. Responsibilities: Design, implement, and optimize trading algorithms, order execution systems, and real-time data processing tools using Python to support front office trading strategies. Work closely with traders and quant teams to understand requirements, translate them into technical solutions, and enhance the trading platform’s functionality and More ❯

Senior Python Engineer | London, Hybrid Join a leading global investment manager that’s serious about modern engineering and data-driven investing. Our client is looking for an experienced Senior/Principal Python Developer to help build high-performance systems that power investment decisions, analytics, and portfolio operations. The Opportunity Be part of a cross-functional engineering team … architecture, mentor engineers and raise the bar on engineering standards. 📍London, Hybrid working 💷Competitive Salary + Bonus, benefits 📆Permanent Role What You’ll Do Design, develop and maintain scalable Python applications supporting investment and analytics workflows. Translate complex financial requirements into elegant, maintainable code in partnership with business and quant teams. Lead on performance tuning, code quality, testing, and … CD practices. Improve latency, reliability and observability of data-driven processes. Contribute to modernising legacy systems towards cloud-native, distributed architectures. What We’re Looking For Strong expertise in Python (typically 6+ years) building production-grade software in financial services, trading or data-intensive domains. Solid grasp of data structures, algorithms and software design . Experience with cloud platforms More ❯

Python Engineer – Front Office 📍 Location: London (Hybrid) 💷 Compensation: Up to £170,000 + Bonus + Benefits 🚀 The Opportunity Join a leading global hedge fund where technology drives trading strategy and performance. As a Python Developer , you’ll work directly with Portfolio Managers, Quants, and Analysts , building high-performance tools and platforms that power real-time investment decisions … firm’s P&L . This is a front-office, high-visibility role where your code has immediate business impact. 🔧 What You’ll Be Doing Designing, developing, and maintaining Python-based trading and research infrastructure Building bespoke analytics and visualization tools in close collaboration with investment teams Optimizing data pipelines , automating complex workflows, and improving operational efficiency ✅ What You … ll Bring Proven experience in Python development , ideally within high-performance or data-intensive environments Understanding of financial markets — experience in equities, fixed income, or derivatives is a strong plus Excellent problem-solving skills and the ability to communicate effectively with both technical and non-technical stakeholders 🌟 Why Join 💼 Front-Office Exposure: Work directly with investment teams on trading More ❯