1 to 25 of 47 Python Engineer Jobs in the South East

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 ❯

Systems Engineer, Python, AWS, COR7358 This is an excellent opportunity for a Python-focused Systems Engineer with strong AWS experience, to join an Oxfordshire-based scale-up in the MedTech sector. The Role The Systems Engineer will have two areas of primary focus: developing Python-based tools, components and automation to deliver features and … improve system reliability, and designing, implementing and maintaining AWS-based infrastructure and services to support business applications. Additionally, the Systems Engineer will build and manage IaC deployments using Terraform, will implement and manage configuration using Ansible, and will support and optimise Linux-based systems to ensure performance, security and scalability. The Company The Systems Engineer will be joining … learning 25 days' holiday, with the ability to purchase more Share options Private health insurance Wellbeing days What's required to be successful in this role? Proven proficiency in Python development for automation, tooling and systems integration Strong experience with AWS, particularly core services such as S3 and EC2 Experience building and maintaining infrastructure automation with Terraform Solid understanding 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 ❯

Software Engineer, Python, COR7356 This is an excellent opportunity for a junior-to-mid-level Software Engineer to join an established, innovative Medtech company, originally spun out of Oxford University. The Software Engineer will use prior commercial experience of Python to develop state-of-the-art medical imaging software and techniques to support business development … and growth. Working closely with the CTO as part of a dedicated development team working to develop state-of-the-art medical imaging software, the Software Engineer will: Work with a mature Python/Django codebase to further develop clinical products which give diagnostics information to clinicians Work with machine learning concepts to develop existing and new medical … documented procedures around quality and cybersecurity Monitor and optimise system performance, availability, and security, troubleshooting/resolving issues across cloud, network and Linux-based systems The Company The Software Engineer will be joining an established Oxford-university spinout, paving the way in the diagnosis of disease. They are a company who are truly making a difference, with a growing More ❯

Full Stack Python Engineer Python, Django, HTML, CSS, TypeScript, Salary £30k - £55k plus benefits Hybrid options with office based in Fareham, Hampshire. An established company who are embedded within one of the UK's most innovative and established tech hubs - fully funded, well equipped and well prepared to launch their latest tech incarnation - a pet tag tracking … owned restaurant, nights out, spa breaks and much much more! Who are you? You will need expertise in open source and object-oriented programming. This product is built on Python, Django, HTML, CSS and JavaScript and you will get to leverage the best available technology to build the solution, pretty much from scratch. You will join a small team … of Python Engineers and work closely with senior management and development teams to ensure the successful development of each project. Your Skills & Experience Python Django TypeScript JavaScript, jQuery HTML, CSS API models Salary and Scope... Salary £30,000 - £55,000 plus excellent benefits and training We are looking for people on an upward career trajectory who want to More ❯

Python Software Engineer Location: MaidstoneSalary: £55,000 - £65,000 Python - Typescript - JavaScript - GIT - Network Security - Overview We're seeking a talented Software Engineer to join a leading engineering company based in Kent. This is an excellent opportunity for a technically minded developer who enjoys working across both software and hardware systems, contributing to innovative solutions in … the energy and engineering sectors. Key Responsibilities Design, develop, test, and maintain software applications to a high standard. Provide Python development and support for off-grid or energy-related product ranges. Identify, diagnose, and resolve software defects and performance issues. Conduct rigorous testing to ensure functionality, stability, and efficiency. Collaborate with cross-functional teams to deliver integrated hardware/… using Git . Excellent problem-solving and debugging skills. Experience with embedded systems or hardware interaction would be highly beneficial. Technical Skills Knowledge and experience in the following languages: Python (essential) JavaScript TypeScript Familiarity with other programming languages, frameworks, or modern development tools would be advantageous. Python Software Engineer Location: MaidstoneSalary: £55,000 - £65,000 Python More ❯

Senior QA Engineer (Python AI) Reigate/WFH to £85k Are you a QA testing technologist with an interest in AI? You could be progressing your career in a senior, hands on role at a global InsurTech business that is producing game changing technology. As a Senior QA Engineer you will be a key member of an … the company's flagship insurance products, with a focus on testing the AI elements of the product, as well as full stack testing using tools such as Cypress, with Python, JavaScript or C# coding. Location/WFH: There's a flexible work from home hybrid model, you'll join colleagues in the Reigate office twice a week for team … meet-ups and stakeholder meetings with the other three days work from home. About you: You are a skilled Software Development Engineer in Test/SDET with strong Python or C# coding skills You have experience with Cypress and/or Playwright You're familiar with TDD/DDD You have meticulous attention to detail You are collaborative More ❯

Python Software Engineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a Python Software Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where technology and speed are paramount. They build and run highly … systems that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space. The Role As a Python Software Engineer, you’ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing to systems that operate … trading infrastructure components. Partner with cross-functional teams to improve tooling, observability, and automation. Deliver robust, production-ready solutions in a fast-paced environment. Requirements Min 2+ years of Python experience in a professional setting (HFT, trading, fintech, or other high-performance domains). Exposure to C++ or willingness to work in multi-language environments is a plus. Familiarity More ❯

Python Software Engineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a Python Software Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where technology and speed are paramount. They build and run highly … systems that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space. The Role As a Python Software Engineer, you’ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing to systems that operate … trading infrastructure components. Partner with cross-functional teams to improve tooling, observability, and automation. Deliver robust, production-ready solutions in a fast-paced environment. Requirements Min 2+ years of Python experience in a professional setting (HFT, trading, fintech, or other high-performance domains). Exposure to C++ or willingness to work in multi-language environments is a plus. Familiarity More ❯

Python Software Engineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a Python Software Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where technology and speed are paramount. They build and run highly … systems that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space. The Role As a Python Software Engineer, you’ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing to systems that operate … trading infrastructure components. Partner with cross-functional teams to improve tooling, observability, and automation. Deliver robust, production-ready solutions in a fast-paced environment. Requirements Min 2+ years of Python experience in a professional setting (HFT, trading, fintech, or other high-performance domains). Exposure to C++ or willingness to work in multi-language environments is a plus. Familiarity More ❯

Contract Role – Python 3D visualization Engineer – England/Remote – 3 months initially – Inside IR35 PAYE We are seeking a skilled Python 3D visualization Engineer. This role is focused on building a cutting-edge interactive user-facing demo that bridges science and AI through advanced front-end engineering and visualization technology. This role will integrate AI model output … collaboration with the research and design teams over a span of three months, with the possibility of extension for future projects within a similar domain. Role Overview: Job Title: Python 3D visualization Engineer Location: England/Remote Contract Type: Contract Duration: 3 months+ Rate: £40- 47.79 per hour PAYE 3D visualization tools - web GL ,3 JS or any … other tools, Python - Model is developed in this language. React Experience in software design and development, with 5+ years experience in Python, Python backend and APIs, and web frameworks Expertise in front-end web development, including advanced experience with WebGL, React, GraphQL, Relay and familiarity with stylex, flow and similar tools Experience in back-end web development More ❯

Data Software Engineer/Developer (Python Databricks FastAPI) London to £90k Are you a data centric Software Engineer with strong Python and SQL skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly … growing Cybersecurity insurance markets. As a Data Software Engineer you will design and develop data centric backend services for the core platform with a focus on Python coding and building FastAPIs within an Azure environment with Databricks. You'll participate in the design and implementation of advanced mechanisms for data ingestion, transformation, mass parallel orchestration of network IO … WFH: There's a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. About you: You have strong Python software engineering skills You have a good understanding of working with data at scale and strong SQL skills (PostgreSQL, SQL Server and Databricks) You have experience of building FastAPIs More ❯

Senior Software Engineer/Developer (Python FastAPI Data) London to £90k Are you a data centric Software Engineer with strong Python and SQL skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly … growing Cybersecurity insurance markets. As a Senior Software Engineer you will design and develop data centric backend services for the core platform with a focus on Python coding and building FastAPIs within an Azure environment with Databricks. You'll participate in the design and implementation of advanced mechanisms for data ingestion, transformation, mass parallel orchestration of network IO … WFH: There's a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. About you: You have strong Python backend software engineering skills You have experience of building FastAPIs You have a good knowledge of public cloud services, they're using Azure but experience with AWS or GCP More ❯

Senior Software Engineer – Python/Hardware Systems Do you want to build real-world machines that handle complex tasks with speed and precision. This isn’t app or web dev, it’s embedded Python, hardware integration, and system-level thinking. We’re looking for someone who writes robust code, understands how systems behave in the wild, and … knows how to push hardware and software to work together seamlessly. What you’ll be doing: Writing Python to interface with motors, sensors, relays, power systems, and I/O Designing and maintaining services that run on embedded Linux (often headless) Working with serial protocols (UART, I2C, SPI), MQTT, CANbus, Modbus etc. Handling real-time constraints, task scheduling, and … hardware behaviour Building automated test rigs and simulation tools to catch bugs early Optimising code for performance, memory, and reliability at the edge Tech you might use or encounter: Python (asyncio, multiprocessing, struct, ctypes, pytest) Linux (systemd, udev rules, shell scripting, device trees) Microcontrollers and SBCs (Raspberry Pi, BeagleBone, STM32, ESP32) Networking and messaging: ZeroMQ, MQTT, TCP/UDP More ❯

Senior Software Engineer – Python/Hardware Systems Do you want to build real-world machines that handle complex tasks with speed and precision. This isn’t app or web dev, it’s embedded Python, hardware integration, and system-level thinking. We’re looking for someone who writes robust code, understands how systems behave in the wild, and … knows how to push hardware and software to work together seamlessly. What you’ll be doing: Writing Python to interface with motors, sensors, relays, power systems, and I/O Designing and maintaining services that run on embedded Linux (often headless) Working with serial protocols (UART, I2C, SPI), MQTT, CANbus, Modbus etc. Handling real-time constraints, task scheduling, and … hardware behaviour Building automated test rigs and simulation tools to catch bugs early Optimising code for performance, memory, and reliability at the edge Tech you might use or encounter: Python (asyncio, multiprocessing, struct, ctypes, pytest) Linux (systemd, udev rules, shell scripting, device trees) Microcontrollers and SBCs (Raspberry Pi, BeagleBone, STM32, ESP32) Networking and messaging: ZeroMQ, MQTT, TCP/UDP More ❯

Senior Software Engineer – Python/Hardware Systems Do you want to build real-world machines that handle complex tasks with speed and precision. This isn’t app or web dev, it’s embedded Python, hardware integration, and system-level thinking. We’re looking for someone who writes robust code, understands how systems behave in the wild, and … knows how to push hardware and software to work together seamlessly. What you’ll be doing: Writing Python to interface with motors, sensors, relays, power systems, and I/O Designing and maintaining services that run on embedded Linux (often headless) Working with serial protocols (UART, I2C, SPI), MQTT, CANbus, Modbus etc. Handling real-time constraints, task scheduling, and … hardware behaviour Building automated test rigs and simulation tools to catch bugs early Optimising code for performance, memory, and reliability at the edge Tech you might use or encounter: Python (asyncio, multiprocessing, struct, ctypes, pytest) Linux (systemd, udev rules, shell scripting, device trees) Microcontrollers and SBCs (Raspberry Pi, BeagleBone, STM32, ESP32) Networking and messaging: ZeroMQ, MQTT, TCP/UDP More ❯

API Engineer (Python, FastAPIs) - 2/3 days a week in London numi are proud to be partnered with a technology company on a mission to make supply chains transparent and sustainable. They use earth observation and environmental monitoring to create a global data asset that will radically change how supply chain risk is managed. Our partner is … with a tight-knit founding team. This is a chance to join a high-growth startup and have a pivotal impact on the company’s mission. As an API Engineer , you'll be critical in ensuring complex data is easily accessible and consumable. You will design, build, and maintain robust, scalable, and well-documented APIs that power internal and … external applications. What You'll Do Build the Engine: Design, develop, and maintain high-performance, scalable, and secure RESTful APIs using Python, with a strong focus on FastAPI . Integrate Data: Build efficient data querying mechanisms from structured databases. Champion Best Practices: Uphold high standards for clean, maintainable, and well-tested code. Who We're Looking For You are More ❯

API Engineer (Python, FastAPIs) - 2/3 days a week in London numi are proud to be partnered with a technology company on a mission to make supply chains transparent and sustainable. They use earth observation and environmental monitoring to create a global data asset that will radically change how supply chain risk is managed. Our partner is … with a tight-knit founding team. This is a chance to join a high-growth startup and have a pivotal impact on the company’s mission. As an API Engineer , you'll be critical in ensuring complex data is easily accessible and consumable. You will design, build, and maintain robust, scalable, and well-documented APIs that power internal and … external applications. What You'll Do Build the Engine: Design, develop, and maintain high-performance, scalable, and secure RESTful APIs using Python, with a strong focus on FastAPI . Integrate Data: Build efficient data querying mechanisms from structured databases. Champion Best Practices: Uphold high standards for clean, maintainable, and well-tested code. Who We're Looking For You are More ❯

API Engineer (Python, FastAPIs) - 2/3 days a week in London numi are proud to be partnered with a technology company on a mission to make supply chains transparent and sustainable. They use earth observation and environmental monitoring to create a global data asset that will radically change how supply chain risk is managed. Our partner is … with a tight-knit founding team. This is a chance to join a high-growth startup and have a pivotal impact on the company’s mission. As an API Engineer , you'll be critical in ensuring complex data is easily accessible and consumable. You will design, build, and maintain robust, scalable, and well-documented APIs that power internal and … external applications. What You'll Do Build the Engine: Design, develop, and maintain high-performance, scalable, and secure RESTful APIs using Python, with a strong focus on FastAPI . Integrate Data: Build efficient data querying mechanisms from structured databases. Champion Best Practices: Uphold high standards for clean, maintainable, and well-tested code. Who We're Looking For You are More ❯

is pushing the boundaries of AI and data-driven software, developing next-generation tools that integrate advanced machine learning with scalable backend systems. They're looking for an experienced Python Backend Engineer to support the build and integration of key AI components across their tech stack. THE ROLE As a Contract Python Backend Engineer , you'll … take ownership of backend development for a Python-based web application, ensuring smooth integration with AI/ML pipelines and data infrastructure. You'll work closely with data engineers, AI specialists, and frontend developers to deliver robust, production-quality software. Key Responsibilities: Build and maintain Python web applications (FastAPI preferred) Integrate AI/ML components with backend, data … CI/CD workflows Monitor and improve performance metrics across deployed tools Collaborate with technical teams to develop end-to-end data pipelines YOUR SKILLS AND EXPERIENCE Essential: Proven Python backend development experience (FastAPI, Flask, or similar) Strong cloud experience (GCP preferred) and understanding of core web app infrastructure Skilled in automated testing (pytest) and modern DevOps tools (Git More ❯

is pushing the boundaries of AI and data-driven software, developing next-generation tools that integrate advanced machine learning with scalable backend systems. They're looking for an experienced Python Backend Engineer to support the build and integration of key AI components across their tech stack. THE ROLE As a Contract Python Backend Engineer , you'll … take ownership of backend development for a Python-based web application, ensuring smooth integration with AI/ML pipelines and data infrastructure. You'll work closely with data engineers, AI specialists, and frontend developers to deliver robust, production-quality software. Key Responsibilities: Build and maintain Python web applications (FastAPI preferred) Integrate AI/ML components with backend, data … CI/CD workflows Monitor and improve performance metrics across deployed tools Collaborate with technical teams to develop end-to-end data pipelines YOUR SKILLS AND EXPERIENCE Essential: Proven Python backend development experience (FastAPI, Flask, or similar) Strong cloud experience (GCP preferred) and understanding of core web app infrastructure Skilled in automated testing (pytest) and modern DevOps tools (Git More ❯