1 to 25 of 36 Permanent Senior Python Developer Jobs in London

Senior Python Developer - Cyber Security

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
Senior Python Developer/Backend Software Engineer London/WFH to £85k Are you a backend focused technologist who enjoys problem solving and working on complex systems at the cutting edge of technology? You could be progressing your career as a Senior Python Developer … globe from advanced cyber threats, working alongside a team of friendly and supportive people and enjoying a host of perks and benefits. As a Senior Python Developer within the R&D team you'll work on a new Greenfield product to combat the threat of AI based ...

Senior Python Developer

Location
Greater London, England, United Kingdom
Senior Python Developer Salary: From £50,000 per annum, depending on experience Location: Remote, open to candidates anywhere in the UK. If you like to work alongside colleagues in person, our offices are in Birmingham, Bristol, Exeter and London. Term/Hours: Permanent, 32–40 hours … recruiters please). Unfortunately, we cannot consider applications requiring visa sponsorship now, or in the future. About the Role We are looking for a Senior Python Developer (or someone operating close to senior level) to join our five-person energy development team. You will help lead ...

Senior Python Developer FastAPI Azure

Hiring Organisation
Client Server
Location
London, UK
Employment Type
Full-time
Senior Python Developer/Software Engineer (FastAPI Azure) London/WFH to 110kAre you a backend focused Software Engineer with strong Python skills combined with technical/team leadership experience? 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 Cyber Security insurance markets. As a Senior Python Developer you'll remain hands-on whilst providing technical leadership, designing and implementing complex solutions and ensuring the team adheres ...

Senior Python AI Developer

Hiring Organisation
EMBS Engineering
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 - 75,000 Annual
Senior Python AI Developer - Generative & Agentic AI Python FastAPI AWS LLMs RAG Agentic AI DevOps Salary: 60,000 - 75,000 Contract rate: c 475 per day Location: London - Hybrid (3 days per week onsite) Employment: Permanent or Contract 2 positions We're recruiting two experienced Senior Python AI Developers to join a technology consultancy delivering enterprise-scale Generative and Agentic AI solutions for a major financial services client. These are hands-on engineering opportunities focused on building core services, features and capabilities for an enterprise-grade AI platform. You'll combine strong Python ...

Senior Python AI Developer

Hiring Organisation
EMBS Engineering
Location
London, United Kingdom
Employment Type
Permanent, Contract
Salary
£60000 - £75000/annum + Benefits
Senior Python AI Developer - Generative & Agentic AI Python | FastAPI | AWS | LLMs | RAG | Agentic AI | DevOps Salary: £60,000 - £75,000 Contract rate: c£475 per day Location: London - Hybrid (3 days per week onsite) Employment: Permanent or Contract | 2 positions We're recruiting two experienced Senior Python AI Developers to join a technology consultancy delivering enterprise-scale Generative and Agentic AI solutions for a major financial services client. These are hands-on engineering opportunities focused on building core services, features and capabilities for an enterprise-grade AI platform. You'll combine strong Python ...

Senior Python Developer

Hiring Organisation
Tech 4
Location
City of London, London, United Kingdom
Employment Type
Permanent
Senior Python Developer - PYTHON/REACT/AZURE/GCP - i s required by fast growing and highly successful international organisation. They are seeking an experienced Senior Python Developer to help evolve and extend their platform while guiding technical direction and supporting team … engineers to take ideas from inception through to production, ensuring they build the right solutions for their customers. You will act as both a senior technical contributor and a product-minded engineer, someone who doesnt just implement requirements but actively shapes them. You will challenge assumptions, ask the right ...

Senior Python Developer

Hiring Organisation
Tech 4
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 110,000 Annual
Senior Python Developer - PYTHON/REACT/AZURE/GCP - i s required by fast growing and highly successful international organisation. They are seeking an experienced Senior Python Developer to help evolve and extend their platform while guiding technical direction and supporting team ...

Senior Python Quant Developer, London – Systematic Trading: UK-Based Applicants Only

Location
Greater London, England, United Kingdom
advertise visa sponsorship. Right-to-work in the UK is preferred. Foreigners may still enquire with the employer. Oxford Knight is seeking a Senior Python Quant Developer in London for a full-time role in systematic trading. This position is ideal for UK-based applicants with existing … competitive salary starting at £66,504.59 and an opportunity to join one of the world's premier investment firms. Job Description As a Senior Python Quant Developer, you will be instrumental in developing sophisticated components for both live trading environments and simulation systems. This role places ...

Senior Python Quant Developer London - Systematic Trading - Oxford Knight - UK-Based Applicants Only

Location
Greater London, England, United Kingdom
advertise visa sponsorship. Right-to-work in the UK is preferred. Foreigners may still enquire with the employer. Oxford Knight is seeking a Senior Python Quant Developer for a full-time role in London, focusing on systematic trading strategies. This position is ideal for UK-based applicants … offers a competitive salary of £66,504.59 and the chance to join one of the world's premier investment firms. Job Description As a Senior Python Quant Developer, you will be instrumental in building critical components for both live trading and simulations within a dynamic trading pod. ...

Senior Python Developer - AI

Hiring Organisation
83zero Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70,000
Senior Python Developer - GenAI Salary: £60,000 - £70,000 plus benefits, perks and healthcare options Locations: London, Bristol, Manchester, Glasgow or Newcastle Job Type: Permanent | Hybrid/2 days per week onsite | Occasional travel to client sites Requirements: SC eligibility & full right to work … required (no sponsorship available) The Role: We're looking for hands-on Python Developers at Senior level who have experience building software and a practical understanding of Generative AI, LLMs and RAG. This is a coding-focused role for engineers who enjoy building real solutions. ...

VP Senior Python Developer - Risk Technology

Hiring Organisation
McGregor Boyall Associates Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
Python Developer Market Risk Technology London | VP Level | £150,000 base + bonus | Hybrid We are working with a leading global investment bank that is continuing to invest heavily in the build out of a new generation Risk Management platform . The programme is replacing and modernising legacy … already been onboarded, with further areas including FX, Fixed Income and Mortgages still to be built out. They are now looking for an experienced Python Developer with strong Market Risk knowledge to join the team and play a hands on role in the continued development of the platform. ...

Senior Python Developer

Location
Greater London, England, United Kingdom
supportive, and genuinely collaborative. Because when you’re trying to change an industry, you need people who have each other’s backs. As a Senior Python Developer at Emergn you will take ownership of a business-critical Python platform and help it grow. Join our team … change the game together! We want you to: Develop and maintain backend services and APIs using Python and Flask. Understand the behaviour of an existing, complex application and build new features without impacting what already works. Design and implement asynchronous processing and background job. workflows using Celery and RabbitMQ ...

Senior Python Developer - Build APIs & Async Workflows

Location
Greater London, England, United Kingdom
Emergn seeks a Senior Python Developer to own a business-critical Python platform and help it grow. You will develop backend services and APIs using Python and Flask, and work with MongoDB, Celery, and data tools in a fast-moving, collaborative setting. You’ll join ...

Senior Front Office Python Developer

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Highly experienced Python Engineer for portfolio manager – Tech Driven Fund160,000-250,000 + bonusOffice based in St James, LondonQuant Capital is urgently looking for a top-tier Python developer to join our high profile client. Our client is a well-known global systematic hedgefund. They have … surrounded by smart people deeply interested in teaching what they know, and in learning from you. Their Trading team looking to hire an expert Python developer to extend existing infrastructure to accommodate new systematic strategies trading interest rates and foreign exchange. The ideal candidate should have already built ...

Senior Python Developer – Hybrid Cloud SAS Apps (Remote)

Location
Greater London, England, United Kingdom
Banyan Data is seeking a Senior Python Developer to join our development team based out of Bangalore. This team builds the next generation SAS application on a Hybrid Cloud platform. We’re a global team with a philosophy of passionate, creative work and continuous learning. Key responsibilities … include developing Python applications and web services with Django/Flask, implementing REST APIs, and integrating with UI and backend components. AWS experience and CI/CD familiarity are highly valued. #J-18808-Ljbffr ...

Senior Quant Developer (Python)

Location
Greater London, England, United Kingdom
work within a dynamic, collaborative environment where technology and data-driven insights are used to shape the future of financial markets. As a Senior Quant Developer, you’ll play a key role in building and optimizing trading systems across multiple asset classes — from equities to fixed income … driving them to resolution. Curious, analytical, and always looking for ways to optimize performance and efficiency. What’s Required: Proven experience as a Quant Developer, ideally within equities, fixed income, or futures. Strong Python development skills with a focus on pricing and analytics. Experience with Kafka, Docker ...

Senior Python Developer

Location
Greater London, England, United Kingdom
INTRO We are looking for a Senior Python/Django Developer to work with us to build our platform. You’ll have the opportunity to work in an exciting, early-stage startup in a senior role within our growing Engineering team and be supported in taking … atmosphere Positive management Ping pong table Work with latest technologies Get to participate in architectural and technological decisions REQUIRED 2 years+ commercial experience in Python Experience working with a web application framework (Django, Flask, ...) A strong focus on quality and a desire to get things done the best ...

VP Senior Python Developer - Risk Technology

Hiring Organisation
McGregor Boyall Associates Limited
Location
City Of Westminster, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Python Developer - Market Risk Technology London VP Level £150,000 base + bonus Hybrid We are working with a leading global investment bank that is continuing to invest heavily in the build out of a new generation Risk Management platform . The programme is replacing and modernising legacy ...

Senior Python Developer: Trading & Risk Systems

Location
Greater London, England, United Kingdom
Consulting Limited is seeking a Sr Python Developer for a 6-month contract in London. The ideal candidate will have strong experience in trading and risk management systems, with 6-10 years in Python development. Responsibilities include building backend applications, data processing pipelines, and collaborating with financial ...

Senior Python Developer

Location
Greater London, England, United Kingdom
Logistics Employment type: Permanent Job Description As a Senior Python Engineer, you will play a critical role in designing, developing, and optimising our innovative solutions. You’ll be responsible for driving the technical execution of projects, mentoring other developers, and ensuring our platform remains scalable, reliable, and secure. … competitive edge. Person Specification/Requirements At least 8+ years of professional software development experience with a minimum of 4 years of experience in Python as a core programming language Experience in Financial Services/Highly regulated environment is highly beneficial Proficiency in one additional programming language is preferred ...

Senior Python Quant Developer - Systematic Trading (London)

Location
Greater London, England, United Kingdom
Oxford Knight in London seeks a Senior Python Quant Developer to build components for live trading and simulations. You will contribute to systematic, computer-driven trading across equities, futures, and FX in a hybrid setup. The role requires 5+ years in Python within quantitative finance ...

Senior Python Quant Developer | Hybrid London Trading

Location
Greater London, England, United Kingdom
Oxford Knight in London is seeking a Senior Python Quant Developer to build components for live trading and simulation systems. You will work within a dynamic trading pod, contributing to strategies across equities, futures, and FX, with a hybrid schedule in the city. The role emphasizes Python ...

Senior Python Risk Developer - Front-Office Platform

Location
Greater London, England, United Kingdom
Citigroup Inc. in London is seeking an experienced Python developer to join the Commodities Risk Technology front-office team. You will design and build high-performance micro-services for a highly distributed risk platform, using RabbitMQ for transport and OpenShift/Kubernetes for deployment. You will collaborate with ...

Senior Python Developer/ Engineer

Location
City of Westminster, England, United Kingdom
looking for a talented Python Engineer with hands-on experience building high quality, scalable server less applications. You will work closely with the Lead Engineer to design, build, and enhance the Digital Onboarding Service (DOS) used across the client API Platform. This role is ideal for someone … strong in Python, confident working with architects and APIs, and comfortable delivering features within an Agile delivery team. Responsibilities: Develop high quality, secure, and maintainable features for the client Digital Onboarding Service using Python on the backend in a serverless and containerized architecture with a NextJS/React ...

Senior Java/Python Developer – Risk Apps & Agile DevOps

Location
Greater London, England, United Kingdom
Methods is seeking a Java/Python Developer to help manage, build, develop and design Java applications with strong exposure to Spring Boot, microservices and system design. You will work as part of an Agile squad to develop Market Risk applications, collaborate with stakeholders, and shape the tooling ...