1 to 25 of 613 Permanent Python Jobs in Central London

metals, and agricultural commodities globally. Our success is driven by cutting-edge analytics, high-frequency data processing, and a commitment to innovation. We are now looking for a Senior Python Engineer to join our dynamic team in London and drive our next wave of technological advancements. Role Overview: As a Senior Python Engineer, you will be at the heart of … our technology platform, building robust systems that enhance our trading strategies, risk management, and data analysis. You will collaborate closely with quants, data scientists, and traders, providing Python-based solutions that directly impact the profitability of the business. This is an exciting opportunity to work in a fast-paced, high-performance environment where you can push the boundaries of technology … in financial markets. Key Responsibilities: Design, develop, and maintain highly efficient Python-based applications for commodities trading, risk management, and real-time data analysis. Build scalable, high-performance data pipelines to process large datasets from multiple sources, including real-time market data and fundamental data. Implement robust APIs and microservices to integrate trading systems, analytics platforms, and external data providers. More ❯

time analytics, historical storage). Required Skills & Experience: Core Engineering: 5+ years of experience in software development, with exposure to both backend and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases). Expertise in modern web development with React, Node.js, MongoDB, and SQL (Postgres, MySQL). Strong understanding of Git/GitHub, CI More ❯

AI Tech Lead – Agentic AI, LangGraph, ML, Python, CI/CD, LLM’s, Startup, UK Remote About the Role A mission-driven, early-stage startup is looking for an AI Tech Lead to join its growing team. This is a hands-on leadership role where you’ll help shape a cutting-edge AI platform designed to drive real-world behaviour … Science, or related technical discipline. Strong communication skills and a bias toward action. Technologies You’ll Work With Experience in some or most of the following: Languages/Frameworks: Python, FastAPI, Pydantic, Streamlit (for internal tools) AI: AgenticFlows, GenAI, LLMs, and multimodal systems Architecture: Microservices, RESTful APIs, async programming Infrastructure: Docker, Terraform, GitHub Actions, GCP (preferred) Datastores: MongoDB, Redis Monitoring More ❯

AI Tech Lead – Agentic AI, LangGraph, ML, Python, CI/CD, LLM’s, Startup, UK Remote About the Role A mission-driven, early-stage startup is looking for an AI Tech Lead to join its growing team. This is a hands-on leadership role where you’ll help shape a cutting-edge AI platform designed to drive real-world behaviour … Science, or related technical discipline. Strong communication skills and a bias toward action. Technologies You’ll Work With Experience in some or most of the following: Languages/Frameworks: Python, FastAPI, Pydantic, Streamlit (for internal tools) AI: AgenticFlows, GenAI, LLMs, and multimodal systems Architecture: Microservices, RESTful APIs, async programming Infrastructure: Docker, Terraform, GitHub Actions, GCP (preferred) Datastores: MongoDB, Redis Monitoring More ❯

AI Tech Lead – Agentic AI, LangGraph, ML, Python, CI/CD, LLM’s, Startup, UK Remote About the Role A mission-driven, early-stage startup is looking for an AI Tech Lead to join its growing team. This is a hands-on leadership role where you’ll help shape a cutting-edge AI platform designed to drive real-world behaviour … Science, or related technical discipline. Strong communication skills and a bias toward action. Technologies You’ll Work With Experience in some or most of the following: Languages/Frameworks: Python, FastAPI, Pydantic, Streamlit (for internal tools) AI: AgenticFlows, GenAI, LLMs, and multimodal systems Architecture: Microservices, RESTful APIs, async programming Infrastructure: Docker, Terraform, GitHub Actions, GCP (preferred) Datastores: MongoDB, Redis Monitoring More ❯

Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | Household Name | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Opportunity: We're supporting a fast-moving client with national reach, that needs a Python Software Engineer Contractor with strong experience across Python & AWS. This is a freelance role within a tech-driven team – Where you’ll be the … subject matter expert, designing, implementing, and managing software, platforms and more. What You'll Be Doing as a Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Design and deploy scalable, high-performance software aligned with long-term business goals. Monitor and optimise distributed systems for reliability, uptime, and efficiency. … IT) to troubleshoot and enhance system performance. Maintain clear documentation for configurations, procedures, and troubleshooting. Ensure software meets design goals: performance, modularity, reliability, and maintainability. Core Skills for the Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Strong Python expertise, especially for API development and testing in cloud environments More ❯

Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | Household Name | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Opportunity: We're supporting a fast-moving client with national reach, that needs a Python Software Engineer Contractor with strong experience across Python & AWS. This is a freelance role within a tech-driven team – Where you’ll be the … subject matter expert, designing, implementing, and managing software, platforms and more. What You'll Be Doing as a Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Design and deploy scalable, high-performance software aligned with long-term business goals. Monitor and optimise distributed systems for reliability, uptime, and efficiency. … IT) to troubleshoot and enhance system performance. Maintain clear documentation for configurations, procedures, and troubleshooting. Ensure software meets design goals: performance, modularity, reliability, and maintainability. Core Skills for the Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Strong Python expertise, especially for API development and testing in cloud environments More ❯

Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | Household Name | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Opportunity: We're supporting a fast-moving client with national reach, that needs a Python Software Engineer Contractor with strong experience across Python & AWS. This is a freelance role within a tech-driven team – Where you’ll be the … subject matter expert, designing, implementing, and managing software, platforms and more. What You'll Be Doing as a Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Design and deploy scalable, high-performance software aligned with long-term business goals. Monitor and optimise distributed systems for reliability, uptime, and efficiency. … IT) to troubleshoot and enhance system performance. Maintain clear documentation for configurations, procedures, and troubleshooting. Ensure software meets design goals: performance, modularity, reliability, and maintainability. Core Skills for the Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Strong Python expertise, especially for API development and testing in cloud environments More ❯

About the job OPSWAT, a global leader in IT, OT, and ICS critical infrastructure cybersecurity, delivers an end-to-end platform that gives public and private sector organizations and enterprises the critical advantage needed to protect their complex networks, secure More ❯

A Mid - Senior level Python Engineer is needed to join growing software house in London who specialise in helping businesses reduce wasteful processes, costs and energy; and improve their ROI. sustainability meets profitability. Our client aims to change how corporate finance works, by replacing static, limited and often stale financial metrics with live data-driven insights sourced from direct connections … to their clients’ systems. You will be joining a strong team of Backend Python Engineers, Data Scientists, and financial experts, who are building the next generation of financial tools. If you're an experience Software Engineer whose passionate about Python, excited by financial technology, and wants to solve complex problems, this could be for you. As a Python Software Engineer … in a supportive, fast-paced startup environment. Requirements: 1st class - 2;1 Degree in Comp Sci or STEM subject from a Top ranked University 3+ years of experience in Python development Tech: Python, FastAPI, Pydantic, PostgreSQL, AWS DevOps tools: Kubernetes, Docker,Terraform, Jenkins Very strong software engineering principles Enthusiasm for startup environment and cross-functional teams Passion for automation and More ❯

Job Title: Python Developer Location: London/Hybrid Job Type: Permanent Job Summary: My client are looking for a skilled and experienced Python Developer with a strong background in Django, SQL/PostgreSQL, and hands-on experience in the FinTech industry. The ideal candidate will play a key role in developing and maintaining robust backend systems that support financial services … be able to write clean, scalable, and secure code and be comfortable working in a fastpaced, highly collaborative environment. Key Responsibilities: Design, develop, and maintain scalable web applications using Python and Django Build and optimise backend services, APIs, and database schemas for performance and scalability Work closely with product, design, and DevOps teams to deliver new features and improve existing … data security, compliance, and performance in financial applications Troubleshoot and debug production issues Participate in code reviews, sprint planning, and technical discussions Requirements: 4+ years of professional experience in Python development Strong expertise in Django framework Solid experience with SQL and/or PostgreSQL, including performance tuning and complex queries Prior experience in the FinTech industry is required Familiarity with More ❯

for someone ready to grow beyond a senior engineer/architect role into broader impact and ownership. 🔧 Tech Stack: Cloud: Azure (deep experience required), plus AWS and GCP Languages: Python Infra: Terraform, CI/CD, DevOps AI/ML: Experience with AI pipelines or products 🌟 What You’ll Be Doing: Architecting scalable, secure, and resilient cloud systems Leading and mentoring More ❯

for someone ready to grow beyond a senior engineer/architect role into broader impact and ownership. 🔧 Tech Stack: Cloud: Azure (deep experience required), plus AWS and GCP Languages: Python Infra: Terraform, CI/CD, DevOps AI/ML: Experience with AI pipelines or products 🌟 What You’ll Be Doing: Architecting scalable, secure, and resilient cloud systems Leading and mentoring More ❯

Engineer Location: Remote (with occasional monthly collaboration days) Are you... A software Engineer with 5+ years experience, working with modern programming with one or more programming languages such as Python, Golang, Java, Ruby, TypeScript etc? Experienced working on cloud platform such as AWS, Google Cloud and have a good understanding of cloud infrastructure? Experienced working with Containers and Orchestration tools … means we are looking for engineers that have the ability to work across a range of tooling in the following areas: Programming: with at least one language; Go, Java, Python, Ruby, TypeScript etc Cloud: Either AWS, GCP, Azure Container/Orchestration: Docker, Kubernetes IAC: Terraform, Cloud Formation, CrossPlane, Ansible (Config Mgt) CI/CD: CircleCI, GitHub Actions, Jenkins, etc The More ❯

SQL, and other relevant services. Implement best practices for Databricks development and deployment. Optimise Databricks workloads for performance and cost. Need to program using the languages such as SQL, Python, R, YAML and JavaScript Data Integration: Integrate data from various sources, including relational databases, APIs, and streaming data sources. Implement data integration patterns and best practices. Work with API developers … implement DevOps best practices. Essential Skills & Experience: 10+ years of experience in data engineering, with at least 3+ years of hands-on experience with Azure Databricks. Strong proficiency in Python and Spark (PySpark) or Scala. Deep understanding of data warehousing principles, data modelling techniques, and data integration patterns. Extensive experience with Azure data services, including Azure Data Factory, Azure Blob More ❯

Experience building and maintaining full-stack applications, including backend APIs and frontend user interfaces. Experience developing world-scale/multi-tenancy applications Proficiency and commercial experience developing solutions in Python using Fast API and/or Django Experience with relational (MySQL, PostgreSQL) and non-relational (Elasticsearch, MongoDB, DocumentDB) data stores. Have first-hand understanding of Agile development methodologies. Exposure to More ❯

Job Title: Sr. DevOps Engineer Location: London, UK (3 days in office) SC Cleared: Required Job Type: Full-Time Experience: 5-8 years About the Role We are seeking a highly skilled and experienced Platform Engineer to build and maintain More ❯

Senior Python Software Engineer/Developer London/WFH to £110k Would you like to join a growing and profitable start-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression? As a Senior Python Software Engineer you will architect and build highly performant and scalable … to work from home three days a week. About you: You are an experienced Software Developer/Engineer with a strong knowledge of modern best practice You have strong Python backend development skills, ideally also C# coding skills You have a good knowledge of AWS You have experience of working on highly scalable systems You have a strong knowledge of … and planning abilities You have business acumen and advanced communication/stakeholder management skills Fintech or Financial Services experience preferred What's in it for you: As a Senior Python Software Engineer you will earn a competitive package including: Salary to £100k Bonus (c20%) Pension (5% employer contribution) 25 days holiday (increasing to 27 after two years and 30 after More ❯

Data Science/Data Analytics, ML Consultant | International Consultancy, Fintech, | Python, SQL, GCP, | 2 Days Hybrid, Up to £70,000 +Benefits The Company: We have partnered with a boutique consultancy that partners with high-profile enterprise clients across industries such as retail, financial services, biotech, and technology. They’re currently looking to bring an Analytics Consultant on board to support … machine learning projects for major UK and European clients, including household names in retail and banking. Responsibilities for the Data Science/Data Analytics, ML Consultant | International Consultancy, Fintech, | Python, SQL, GCP, | 2 Days Hybrid, Up to £70,000 +Benefits Design, develop, and maintain automated analytics tools and large-scale data pipelines. Conduct deep-dive analyses to generate actionable insights … to tools like DBT, Apache Airflow, Docker. Experience working with large-scale datasets (terabyte-level or higher). Excellent problem-solving capabilities. Strong communication and collaboration skills. Proficiency in Python and SQL (or similar programming languages). Passion for uncovering insights through data. Growth mindset and a proactive approach to learning. What will you get in return? Direct exposure to More ❯

talented developers to join our team and contribute to the success driving innovation and excellence in our network infrastructure. Essential Technical Skills: Front-end: Angular, TypeScript Back-end: Java, Python, Spring Boot Database: MongoDB, PL/SQL,NOSQL API Development: RESTful APIs Version Control: Git CI/CD: TeamCity Desirable Skills: Docker and Containerization Monitoring and Logging (e.g., Prometheus, Grafana More ❯

the ground up, setting best practice and standards Experience leading and mentoring teams Worked in a startup/scaleup background and someone that is adaptable Tech Stack Snapshot Languages: Python and data engineering background. Opportunity to shape wider tech stack moving forward. Cloud: AWS preferred, cloud-agnostic approach encouraged Data: SQL, Databricks, Iceberg, Kubernetes, large-scale data pipelines CI/ More ❯

team. This is an ideal opportunity for recent graduates eager to build a career in software development and AI technology. Key Responsibilities: Design, develop, and maintain web applications using Python and the Django framework Build and manage MySQL databases for reliable data storage and retrieval Utilize Git for source control and team collaboration Participate in code reviews, debugging, and performance … workflows and sprint planning sessions Document technical specifications and development processes as needed Basic Qualifications: Bachelor’s degree in Computer Science, Software Engineering, or a related discipline Familiarity with: Python programming Django web development MySQL or other relational databases Git for version control Understanding of basic Linux command-line tools and system operations Strong analytical thinking and a proactive approach More ❯

What You’ll Bring 7+ years of hands-on experience building ML/AI systems in production. 3+ years in a senior technical contributor or team lead role. Advanced Python skills with exposure to common ML frameworks and data libraries. Solid experience working with cloud platforms (ideally AWS) and infrastructure-as-code tools (e.g., Terraform). Understanding of distributed systems … for ML workflows and manage models in a cloud environment. Strong communication and stakeholder engagement skills. A relevant degree in Computer Science, Engineering, or a related field. Tech Environment Python Java AWS (incl. services for AI/ML) LLM APIs and orchestration tools Terraform, Docker SQL-based databases GitHub Actions and version control tools Perks & Benefits Competitive compensation 25 days More ❯

formats (CSV, JSON, Parquet) used in ML workflows. Familiarity with ML frameworks: TensorFlow, PyTorch, scikit-learn. Able to validate outputs against ground truth and expected behavior. Programming & Tools: Strong Python skills, especially for test automation, data analysis (Pandas, NumPy), and API testing. Familiar with Java for integration and component testing (optional but beneficial). Experience with REST API testing tools … RestAssured . Understanding of API documentation standards (Swagger/OpenAPI) and HTTP protocol essentials. Testing & QA Processes: Skilled in test case design, scripting, execution, and defect lifecycle. Experience using Python-based test frameworks (pytest, unittest, etc.). Exposure to test management tools like Jira and structured reporting. Experience in leading QA efforts and coordinating test activities. Cloud & Deployment: Familiarity with More ❯

MLOps, and performance monitoring frameworks Participate in code reviews, design discussions, and performance tuning Requirements: 3+ years of experience in a Machine Learning Engineer or similar role Proficiency in Python , ML frameworks (TensorFlow, PyTorch), and deployment tools (Docker, MLflow, etc.) Experience building scalable ML pipelines in cloud environments (AWS, GCP or Azure) Familiarity with energy systems, smart metering, or IoT More ❯