10 of 10 Python Engineer Jobs in the City of London

Python Engineer Trading £150,000 Plus Bonus Our client is one of the largest Quant trading firms globally. The role sits within a trading team on the bleeding edge of technology as well as execution. This is an environment of science and intellectuals. The firm is known globally … in-house infrastructure and improve productivity Write performance sensitive code and user-friendly APIs to facilitate access to our in-house data analysis infrastructure Python Engineers Must Have: 5+ years of experience building demanding, live systems in Python In-depth knowledge of Python and keeps up with … current standards Up-to-date knowledge of the Python ecosystem: third party libraries, packaging in-built Python libraries Solid understanding of data structures Familiarity with Github Actions Familiarity with Linux You will be joining a progressive and exciting company committed to excellence. They offer an excellent working environment More ❯

Python Engineer Trading £150,000 Plus Bonus Our client is one of the largest Quant trading firms globally. The role sits within a trading team on the bleeding edge of technology as well as execution. This is an environment of science and intellectuals. The firm is known globally … in-house infrastructure and improve productivity Write performance sensitive code and user-friendly APIs to facilitate access to our in-house data analysis infrastructure Python Engineers Must Have: 5+ years of experience building demanding, live systems in Python In-depth knowledge of Python and keeps up with … current standards Up-to-date knowledge of the Python ecosystem: third party libraries, packaging in-built Python libraries Solid understanding of data structures Familiarity with Github Actions Familiarity with Linux You will be joining a progressive and exciting company committed to excellence. They offer an excellent working environment More ❯

Job Title: Site Reliability Engineer - Python Location: Remote (1-2 days per month in the London office) Salary/Rate: Up to £711 Per day Inside IR35 Start Date: 08/05/2025 Job Type: Contract - Long term project Company Introduction We have an exciting opportunity now … currently looking for a skilled SRE to join their team for a long term project. Job Responsibilities/Required experience Ability to code in Python - essential Linux Admin (System Administration & Network Configuration) - essential Kubernetes Administration Debugging & Troubleshooting (Application and Infrastructure) production performance issues Knowledge of MQ (MessageQueue - i.e., Kafka More ❯

AI Engineer/Developer (Python LLM) London/WFH to £65k Want to work on intellectually and technically challenging AI systems at the cutting edge of what is possible, whilst learning and collaborating with an amazing team and enjoying flexible working and a range of other perks? You … could be progressing your career as an AI Engineer at a well-established AI company acting as tech incubator within the World Economic Forum to tackle issues like climate change, AI adoption, battery technology and other real world problems. As an AI Engineer you will develop backend code … be joining a friendly and supportive team in London with flexibility to work from home one day a week. About you: You have strong Python development skills You have experience with Langchain, Llama Index and using Large Language Models for Generative AI You have experience of interfacing with database More ❯

Job Title: Mid-Level Python Software Engineer Location: Hybrid - London Employment Type: Full-time Team: Engineering Reports To: Lead Software Engineer/Engineering Manager About Us Were a fast-moving fintech company on a mission to [insert your mission e.g., "make financial services more accessible", "build infrastructure … value clean, maintainable code, healthy team dynamics, and delivering tangible business value without unnecessary complexity. If you love solving real-world problems, writing thoughtful Python code, and collaborating with others in a calm, humble, and technically curious environment, wed love to hear from you. What Youll Do Design, build … and maintain Python services that power critical financial workflows. Work with modern data processing tools like pandas and polars to transform and analyze large datasets. Build async Python services using asyncio , and develop event-driven systems integrating AWS services (Lambda, SQS, EventBridge, ECS, etc.). Write reliable, maintainable More ❯

I am supporting a FinTech AI Start-up who are on the hunt for a passionate Senior Software Engineer to join their dynamic and rapidly growing team. This is your chance to make a significant impact on the future of their cutting-edge product. With a recent major customer … pivotal technical decisions that will shape the future of our product. Build the Future: Develop and implement groundbreaking features using our advanced tech stack: Python, TypeScript, React, AWS, PostgreSQL, and GenAI. Champion Quality: Ensure our product meets the highest standards of quality and scalability. Collaborate and Conquer: Work closely … with cross-functional teams to deliver exceptional solutions Requirements: Expertise: Deep experience with Python, TypeScript, React, AWS, PostgreSQL, and GenAI. Leadership: Proven ability to lead projects and teams in a fast-paced, innovative environment. Vision: Strong decision-making skills and a passion for driving excellence. Bonus Points: Experience in More ❯

I am supporting a FinTech AI Start-up who are on the hunt for a passionate Senior Software Engineer to join their dynamic and rapidly growing team. This is your chance to make a significant impact on the future of their cutting-edge product. With a recent major customer … pivotal technical decisions that will shape the future of our product. Build the Future: Develop and implement groundbreaking features using our advanced tech stack: Python, TypeScript, React, AWS, PostgreSQL, and GenAI. Champion Quality: Ensure our product meets the highest standards of quality and scalability. Collaborate and Conquer: Work closely … with cross-functional teams to deliver exceptional solutions Requirements: Expertise: Deep experience with Python, TypeScript, React, AWS, PostgreSQL, and GenAI. Leadership: Proven ability to lead projects and teams in a fast-paced, innovative environment. Vision: Strong decision-making skills and a passion for driving excellence. Bonus Points: Experience in More ❯

from strength to strength and have won another huge customer that they will be rolling out their product with. They'll need a Senior Engineer who really has a deep understanding of Python, TypeScript, AWS and software engineering (& architecture) as a whole. You'll play an important role … in tech decisions, shaping the direction of the product and project delivery. They really need a self starter and a passionate Engineer - Someone who can hit the ground running and wants to be part of a lean (6) team within a start-up. There is tons of greenfield work … to do and a big future ahead - Its a great time to join! Skills: React.js TypeScript Python AWS PostgreSQL GenAI Having a a senior understanding of ALL or MOST of the above is required. Any experience working for start-ups or in the AI + Fintech Space is a More ❯

from strength to strength and have won another huge customer that they will be rolling out their product with. They'll need a Senior Engineer who really has a deep understanding of Python, TypeScript, AWS and software engineering (& architecture) as a whole. You'll play an important role … in tech decisions, shaping the direction of the product and project delivery. They really need a self starter and a passionate Engineer - Someone who can hit the ground running and wants to be part of a lean (6) team within a start-up. There is tons of greenfield work … to do and a big future ahead - Its a great time to join! Skills: React.js TypeScript Python AWS PostgreSQL GenAI Having a a senior understanding of ALL or MOST of the above is required. Any experience working for start-ups or in the AI + Fintech Space is a More ❯

A growing and transformational financial services firm seeking a Senior Python SQL Developer to play a key role in its technology and innovation strategy. The successful applicant will join our delivery-focused and rapidly expanding team technology and transformation team. The candidate will enhance the firm's data-driven … to derive commercial insights across a large set of structured and unstructured data and data sources. Enhance the existing technology ecosystem. Key Skills required: Python: Strong skills in Python programming. Ability to build applications from concept to production and demonstrate a comprehensive understanding of the project lifecycle SQL More ❯