1 to 25 of 60 Python Engineer Jobs in Central 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 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 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 ❯

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 ❯

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 ❯

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 ❯

Senior Python Engineer | Fully Remote | High-Growth Startup (AI/Data/Cloud) Join one of the most exciting early-stage startups of the year — backed by previous huge success, led by an exceptional founding team, and already showing incredible product-market fit. This is a rare opportunity to get in early, take real ownership, and build the … platform at scale. You’ll work with cutting-edge technology, solve complex challenges, and see your work have a direct impact every single day. The Role As a Senior Python Engineer , you’ll be a key part of a small, high-performing team building scalable backend systems and data-driven products. You’ll shape architecture decisions, drive engineering … best practices, and collaborate across teams to deliver impactful features at speed. What You’ll Be Doing Designing and building reliable, high-performance services in Python (FastAPI, Flask, or Django) Leading architecture discussions and mentoring junior engineers Collaborating with product, data, and design teams to bring ideas to life Building scalable systems in the cloud (AWS/GCP/ More ❯

Senior Python Engineer | Fully Remote | High-Growth Startup (AI/Data/Cloud) Join one of the most exciting early-stage startups of the year — backed by previous huge success, led by an exceptional founding team, and already showing incredible product-market fit. This is a rare opportunity to get in early, take real ownership, and build the … platform at scale. You’ll work with cutting-edge technology, solve complex challenges, and see your work have a direct impact every single day. The Role As a Senior Python Engineer , you’ll be a key part of a small, high-performing team building scalable backend systems and data-driven products. You’ll shape architecture decisions, drive engineering … best practices, and collaborate across teams to deliver impactful features at speed. What You’ll Be Doing Designing and building reliable, high-performance services in Python (FastAPI, Flask, or Django) Leading architecture discussions and mentoring junior engineers Collaborating with product, data, and design teams to bring ideas to life Building scalable systems in the cloud (AWS/GCP/ More ❯

Senior Python Engineer | Fully Remote | High-Growth Startup (AI/Data/Cloud) Join one of the most exciting early-stage startups of the year — backed by previous huge success, led by an exceptional founding team, and already showing incredible product-market fit. This is a rare opportunity to get in early, take real ownership, and build the … platform at scale. You’ll work with cutting-edge technology, solve complex challenges, and see your work have a direct impact every single day. The Role As a Senior Python Engineer , you’ll be a key part of a small, high-performing team building scalable backend systems and data-driven products. You’ll shape architecture decisions, drive engineering … best practices, and collaborate across teams to deliver impactful features at speed. What You’ll Be Doing Designing and building reliable, high-performance services in Python (FastAPI, Flask, or Django) Leading architecture discussions and mentoring junior engineers Collaborating with product, data, and design teams to bring ideas to life Building scalable systems in the cloud (AWS/GCP/ More ❯

Senior Software Engineer - Backend & Data | Fully Remote (UK) Founding Engineer | Python | GCP | Terraform | Event-Based Systems | Data Pipelines An innovative, mission-driven LegalTech SaaS start-up is looking for a Senior Product Engineer (Backend & Data) with deep experience in Python, Product development, and Data engineering. Role Information: Salary : Up to £100,000 (DOE) + Equity … Location : Fully remote (UK only) Stack : Python , TypeScript, GCP, Pub/Sub, SQL & NoSQL, IaC (Terraform), CI/CD (GitHub Actions), Observability tools, AI tooling You’ll join a remote first, high-trust engineering team working with a modern, cloud-native stack - with real influence over technical decisions from day one. You’ll take technical ownership of the backend … scalable, and ready for real customers, while adding new Data-driven features, optimising performance, and shaping the long-term Product roadmap. While your focus will be backend systems in Python, you’ll also work across the stack, collaborate directly with users, and bring a strong Product mindset to every decision. This role is ideal for someone who thrives on More ❯

Senior Software Engineer - Backend & Data | Fully Remote (UK) Founding Engineer | Python | GCP | Terraform | Event-Based Systems | Data Pipelines An innovative, mission-driven LegalTech SaaS start-up is looking for a Senior Product Engineer (Backend & Data) with deep experience in Python, Product development, and Data engineering. Role Information: Salary : Up to £100,000 (DOE) + Equity … Location : Fully remote (UK only) Stack : Python , TypeScript, GCP, Pub/Sub, SQL & NoSQL, IaC (Terraform), CI/CD (GitHub Actions), Observability tools, AI tooling You’ll join a remote first, high-trust engineering team working with a modern, cloud-native stack - with real influence over technical decisions from day one. You’ll take technical ownership of the backend … scalable, and ready for real customers, while adding new Data-driven features, optimising performance, and shaping the long-term Product roadmap. While your focus will be backend systems in Python, you’ll also work across the stack, collaborate directly with users, and bring a strong Product mindset to every decision. This role is ideal for someone who thrives on More ❯

Senior Software Engineer - Backend & Data | Fully Remote (UK) Founding Engineer | Python | GCP | Terraform | Event-Based Systems | Data Pipelines An innovative, mission-driven LegalTech SaaS start-up is looking for a Senior Product Engineer (Backend & Data) with deep experience in Python, Product development, and Data engineering. Role Information: Salary : Up to £100,000 (DOE) + Equity … Location : Fully remote (UK only) Stack : Python , TypeScript, GCP, Pub/Sub, SQL & NoSQL, IaC (Terraform), CI/CD (GitHub Actions), Observability tools, AI tooling You’ll join a remote first, high-trust engineering team working with a modern, cloud-native stack - with real influence over technical decisions from day one. You’ll take technical ownership of the backend … scalable, and ready for real customers, while adding new Data-driven features, optimising performance, and shaping the long-term Product roadmap. While your focus will be backend systems in Python, you’ll also work across the stack, collaborate directly with users, and bring a strong Product mindset to every decision. This role is ideal for someone who thrives on More ❯

Founding Python Developer | Fully Remote (UK) | Up to £75,000 I've partnered with a growing UK start-up building a next-generation SaaS platform that blends software and consultancy to solve real-world problems in the property and data space. They’re scaling fast and now looking for a Python Engineer to join their small, high … the UK market. The team values clean code, autonomy, and engineers who enjoy solving complex technical challenges. What You’ll Be Doing Building and maintaining scalable backend services using Python (Flask) Working within a microservices environment Designing and optimising PostgreSQL databases Deploying and managing applications on Google Cloud Contributing to product discussions and architectural decisions Writing well-tested, production … ready code in a collaborative environment What We’re Looking For Strong Python backend experience (ideally Flask) Background in SaaS or data-driven products Experience with microservices, Postgres, and cloud platforms (GCP preferred) Bonus points for: Experience with asynchronous programming Interest in geospatial data, scientific computing, or AI integration Exposure to Ruby or data visualisation frameworks The Offer Salary More ❯

Back End Engineer - Python £60,000 to 70,000 GBP 10% Bonus Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Back End Engineer - London (Hybrid) Location: London (Hybrid - 2 days in office: Tuesday & Thursday) Salary: £60,000 to £70,000 + Bonus + Private Medical Sponsorship: Not available About the Role We're working … it continues to deliver cutting-edge digital solutions. You'll join a collaborative engineering group where innovation, ownership, and technical excellence are encouraged every day. As a Back End Engineer , you'll play a key role in designing, building, and maintaining highly scalable back-end services. You'll collaborate closely with Product, Design, and Engineering teams, contributing ideas and … technical insight across the full development lifecycle. If you're a Python specialist who enjoys solving complex problems and building clean, efficient systems in the cloud, this role is for you. What You'll Do Design and develop robust, scalable, and maintainable backend services. Contribute to architectural decisions and suggest new tools, frameworks, or best practices. Collaborate closely with More ❯

Senior Software Engineer – Python/Hardware Systems Do you want to build real-world machines that solve complex problems at scale? This isn’t web or app development - it’s embedded Python, hardware integration, and system-level engineering. We’re looking for someone who writes robust code, understands how systems behave in the wild, and can make … hardware and software work together seamlessly. What you’ll be doing: Writing Python to interface with sensors, motors, relays, power systems, and I/O Designing and maintaining services that run on embedded Linux (often headless) Working with serial protocols (RS232, RS485, UART, I2C, SPI), Modbus, CANbus, MQTT, and device integrations Handling offline-first behaviour, retries, and syncing to … behaviour Building automated test rigs and simulation tools to catch bugs early Optimising code for performance, memory, and reliability at the edge Tech you’ll use or encounter: Programming: Python (asyncio, multiprocessing, PySerial, struct, ctypes, pytest) Platforms: Embedded Linux, Raspberry Pi, NUC, STM32, ESP32 Protocols & comms: RS232, RS485, UART, I2C, SPI, Modbus, CANbus, MQTT, TCP/UDP sockets DevOps More ❯

Python Software Engineer - VC-Backed Startup - London We're looking for a Python Software Engineer to join a fast-growing startup developing a standout product in a high-potential, niche market. Backed by one of the world’s most prestigious venture capital firms , the company is gaining serious traction and building a world-class team. This … is a rare opportunity to play a key role at a pivotal stage of growth, where your Python skills will have direct and visible impact . What We’re Looking For 2+ years of professional experience with Python Strong academic background (BSc or MSc from a top Russell Group university) Passion for clean, maintainable code and solving real … from day one Join an elite team early and shape the tech culture and direction Competitive salary Flexible hybrid work opportunity - London Currently interviewing - apply now for immediate review. Python Software Engineer - VC-Backed Startup - London More ❯

Senior Backend Engineer – Python & DevOps Hybrid (London | 3 days per week) £70,000 – £130,000 + Equity + Benefits Digitech are exclusively partnered with a high-growth AI SaaS start-up operating globally. The company has launched a state-of-the-art AI-driven platform and is entering a significant expansion phase, having scaled rapidly over the past … months across engineering, sales, and customer success. As a Senior Backend Engineer, you’ll play a pivotal role in designing, building, and scaling the company’s backend systems and infrastructure. You’ll architect reliable, high-performance services in Python (FastAPI, Flask) and help evolve the platform for large-scale AI workloads. A strong DevOps mindset and experience with … production-scale systems will be key to success. Key Responsibilities: Architect and develop scalable, high-performance backend services using Python (FastAPI, Flask) and Node.js. Design, build, and maintain an AWS-based platform supporting AI, data, and web products. Manage and optimise Kubernetes clusters for availability, performance, and cost efficiency. Develop and maintain CI/CD pipelines with GitHub Actions 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 ❯

Back End Engineer - Python £60,000 to 70,000 GBP 10% Bonus Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Back End Engineer - London (Hybrid) Location: London (Hybrid - 2 days in office: Tuesday & Thursday) Salary: £60,000 to £70,000 + Bonus + Private Medical Sponsorship: Not available About the Role We're working More ❯

Software Engineer (Python) - BioTech AI Start Up London, 5 days onsite Up to £130k I’m partnering with an AI BioTech start up who are looking for a Backend Engineer to join their lean, high-impact team and help scale their AI systems in real-world healthcare environments. Why this role stands out: Mission-led : Direct impact … culture : Work closely with clinicians, scientists, and product teams. Requirements: Degree in Computer Science, Data Science, Engineering, or related field. 3+ years of backend software engineering experience. Proficient in Python and/or JavaScript (Node.js). Experience with CI/CD tools (e.g. GitHub Actions, Azure Pipelines). Familiar with Docker and microservices architecture. Solid understanding of RESTful APIs. … Bonus: Experience with AI/ML tools like Hugging Face, LangChain, or PyTorch. Tech Stack: Python/JavaScript (Node.js) Docker/Kubernetes Azure/GitHub Actions RESTful APIs/Microservices Hugging Face, LangChain, PyTorch Unfortunately, no sponsorship is available at this time. More ❯

Senior Software Engineer (Python/AWS) 📍 Location: London or Manchester 💼 Employment Type: Full-time, Permanent About the Role We’re looking for a Senior Software Engineer with deep experience in Python and AWS to help design, build, and scale distributed, data-driven Ad-Tech systems. You’ll lead the delivery of cross-service features within a … technical direction, mentoring engineers, and ensuring the systems you build are secure, observable, and resilient. Key Responsibilities Lead complex delivery: Drive the end-to-end design and implementation of Python-based microservices and cloud-native solutions hosted on AWS. Architect and optimise systems: Define service boundaries, data ownership, and failure-recovery patterns for scalable, high-availability systems. Raise engineering … capability across the team. Contribute to technical roadmap: Collaborate with Product, Design, and Data teams to align on priorities and ensure value is delivered incrementally. Core Tech Stack Languages: Python (FastAPI, Flask, or Django) Cloud: AWS (Lambda, ECS/Fargate, S3, DynamoDB, CloudWatch, API Gateway) Data & Messaging: PostgreSQL, Redis, Kafka or SQS CI/CD & Infrastructure: Docker, Terraform, GitHub More ❯

Exciting opportunity for a Senior Python Engineer with experience using Pyspark and Azure technologies to join a long-term project at a Global Energy Company. This is an exciting time to be joining this world-leading company as they transform themselves from a traditional Oil & Gas company into a leading name within the Renewables sector. Skills: Strong proficiency … in Python for data processing and automation Hands-on experience with PySpark for large-scale data transformations Skilled in SQL for querying, optimising, and managing data Familiar with Azure cloud infrastructure and deployment best practices Solid understanding of containers, microservices, and functional design patterns Experience with Terraform for infrastructure as code (IaC) Committed to code quality through unit testing More ❯