11 of 11 Python Engineer Jobs in the South East

Principal Python Engineer London | Permanent | Hybrid Ncounter is supporting a global investment firm in hiring a Software Developer to help design and evolve internal compute frameworks that underpin their trading and research platforms. This is a high-impact role, working at the intersection of software engineering and distributed systems, with the opportunity to build scalable tools and frameworks … used across the business. What you’ll do: Design, develop, and maintain performant, reliable frameworks and services in Python Build productivity tools and platforms that streamline workflows across investment and technology teams Contribute to code reviews and best practices, improving overall development quality Work across distributed systems, containers, and automation pipelines to deliver scalable solutions What we’re looking … for: 6+ years’ professional software development experience Strong proficiency in high-performance Python (deep ecosystem knowledge and best practices) Experience with at least one JVM language (Java, Kotlin, Scala) is an advantage Background in distributed systems and large-scale compute frameworks Familiarity with Docker, Kubernetes, Linux environments, and CI/CD automation This role offers the chance to work More ❯

Python Engineer £750 - £800 per day 2 days onsite We're working with a global healthcare and AI research organisation that's pioneering the use of advanced Machine Learning to accelerate the discovery and delivery of life-changing treatments. Their vision is to enable faster, personalised therapies that improve patient outcomes worldwide - and they're seeking a Backend … Software Engineer to help bring that mission to life. The Role You'll be joining a multidisciplinary AI/ML team responsible for developing the infrastructure and software that powers cutting-edge research and intelligent applications. The role focuses on backend development in Python, integrating AI components with data, compute, and frontend systems to create scalable, high-performance … solutions. Day-to-day responsibilities include: Designing and implementing backend services for Python-based web applications (e.g., FastAPI). Integrating AI and ML components into production systems and APIs. Writing high-quality, well-tested, and well-documented code following best practices. Developing and monitoring metrics to improve system reliability and performance. Collaborating closely with frontend engineers, data engineers, and More ❯

Senior Python Engineer Salary: Pays up to £85,000 Location: London (2 Days in Office) Join a high-performance engineering team redefining how global systems fight fraud at scale, where you'll architect resilient solutions, shape technical direction, and mentor others to deliver mission-critical impact with performance, reliability, and simplicity. The Opportunity Step into a pivotal role … where your engineering expertise shapes the future of digital integrity. As a Senior Engineer, you'll design and deliver high-impact, cross-service features that power a cutting-edge platform used by global customers. You'll have the freedom to make architectural decisions, drive performance and reliability improvements, and mentor talented engineers across a collaborative, high-growth environment. This … ideas into resilient, production-ready solutions. You'll also mentor engineers, set quality standards, and champion best practices in testing and security. Our modern tech stack includes TypeScript, Node.js, Python, PostgreSQL, AWS, Docker, and Kubernetes, giving you the tools to innovate and deliver impact at scale. Interview Process: 30 minute introductory meeting Technical challenge, will include a shared screen More ❯

Job Title: Senior Python Backend Engineer (Generative AI) Location: London - Hybrid 2x Per Week Role Type: Contract, £650-800 Per Day, Inside IR35 The Role We are seeking an experienced Senior Python Backend Engineer to build, scale, and maintain the production infrastructure for Generative AI and chatbot applications. This role is responsible for the live production … backend services, managing cloud infrastructure, and ensuring application reliability at scale. What You'll Be Responsible For Backend Development: Design, build, and maintain scalable backend services and APIs using Python (FastAPI needed). System Architecture: Make design decisions for our production systems, focusing on reliability and efficiency. Asynchronous Programming: Implement and manage asynchronous workflows and concurrent processes. Containerization: Utilize … ingestion pipelines and the integration of large language models (LLMs). Must-Have Qualifications Experience: 5+ years in software development, including experience managing live production systems at scale . Python Expertise: Demonstrable expertise in Python backend development (FastAPI, Flask, or Django). Containerization: Hands-on experience with Docker and container-based workflows. Cloud Proficiency: Proven ability to deploy More ❯

Machine Learning Engineer (Python/MLE ) 6 Month Contract £650 - £750 Remote Umbrella Urgent Start We are looking for a number of MLE/Machine Learning Engineers for a critical 6 month contract with a household name. This role is essential for maintaining the stability and performance of their core data and Machine Learning systems. If your background … new feature development and more on reliability and fixes. Key Skills: Investigating and debugging complex data flow and Machine Learning issues within a live, high impact production environment. Extensive Python, NumPy and Pandas is required for this role. You must demonstrate a deep commercial background in the following areas: Extensive Python: Very strong, production-level Python coding More ❯

Software Engineer (Embedded Systems/Python/C++) £55,000 - £60,000 Negotiable + 25 Days Holiday + Healthcare Benefits + Training + Progression Rochester Are you a Software Engineer looking to step into a progressive role for a rapidly growing manufacturer which has doubled headcount in the last 18 months, where you will play a crucial … and specialist vehicles. You will be responsible for looking to continually improve their control systems and hardware integration. The role: Write, test, and maintain code for software applications Provide Python support of off-grid product ranges Identify and fix bugs in existing software Conduct thorough testing to ensure that the software runs smoothly The person: Degree Qualified in with … interaction between embedded systems and connected hardware) If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV. Keywords: Software Engineer, Python, JavaScript, Typescript, C++, Network Security, Git, Hardware Integration Reference Number: BBBH21722B We are an equal opportunities employer and welcome applications from all suitable candidates. The salary advertised More ❯

Software Engineer, AI, C Python, Oxford, COR7394 Are you a talented Software Engineer eager to explore the intersection of AI and manufacturing? This could be your opportunity to join a team helping shape next-generation tools using cutting-edge technology! The Position As a Software Engineer, you’ll work directly with a small team to develop … advanced analysis algorithms and integrate local large language models (LLMs) into real-world applications. You’ll focus on building robust software solutions using C++ or Python, contributing to Product Lifecycle Management integrations, and iterating on prompt-based AI applications. This is a hands-on role in a fast-moving environment. You’ll have the freedom to experiment, influence the … delivering practical solutions. This role is hybrid, with at least two days per week onsite in Oxford. Requirements Strong background in Mathematics, Physics, Computer Science Experience in C++ or Python software development Familiarity with Open Cascade C++ libraries Experience with Python LLMs or integration projects is beneficial Interested? Apply now! If you’re a curious, proactive Software Engineer More ❯

Senior Python/C++ Distributed Systems Engineer Location: Hybrid Salary: £60,000 – £70,000 Type: Permanent About the Role: Our employer-partner is looking for a Senior Python/C++ Engineer with strong experience in distributed systems, VoIP, audio/video processing, and cloud-native architectures. This role suits someone who enjoys building performance-critical tools … working across the full stack, and contributing to scalable real-time communication products. Key Responsibilities: Develop backend services and distributed components using Python and C++ . Work with media processing technologies (FFMPEG, audio mixing, streaming pipelines). Engineer VoIP, DECT, and SIP-based communication software, including real-time call handling. Build and maintain REST APIs (Flask, FastAPI, Django … troubleshooting and performance optimisation using tools like Wireshark, Prometheus, Grafana . Collaborate in Agile teams to deliver secure, scalable, production-grade solutions. Required Skills & Experience: Strong engineering experience with Python and C++ (combined tech-stack). Background in telecoms, VoIP, DECT, SIP, media streaming, or network communications. Hands-on experience with microservices , containerisation, CI/CD (GitLab). Exposure More ❯

Senior Engineer - London - 140k - AWS - Python - Snowflake - Hybrid A leading global trading firm is seeking a Senior Engineer to join its Front Office Technology team and drive the rebuild of the E Tools US Power Analytics Platform. This high-impact role offers the chance to work side by side with traders and commercial teams to deliver a … next-generation, cloud-native analytics platform powering real-time trading decisions. Key Responsibilities: - Partner with trading and commercial teams to engineer and optimise analytical models and trading processes. - Build and maintain Python-based services, APIs, and reusable analytic components. - Design cloud-native tools and dashboards to support supply/demand modelling and market data analysis. - Collaborate with Front … Office technologists across global teams (London, Houston, Stamford) to deliver robust, scalable solutions. What You'll Bring: - Strong professional experience with Python and a deep understanding of object-oriented programming. - Advanced SQL knowledge and experience with relational databases. - Exposure to AWS and Snowflake technologies. - Strong communication skills and the ability to engage effectively with both technical and commercial stakeholders. More ❯

Job Title: Senior Engineer with Node.js and Python or Back End (Java and ideally Kafka) Max rate: £537/Day on Umbrella Location: Croydon (Hybrid) Clearance required: SC Transfer (Active SC only ) Contract Duration: 05 months Experience of Java Experience of Spring framework or equivalent. Knowledge of software design patterns and when to apply them Excellent knowledge of More ❯

At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for jobseekers and companies around the world to find a perfect match in fair More ❯