1 to 25 of 33 Permanent Senior Python Developer Jobs in London

Senior Python Developer - Cyber Security

Location
Greater London, England, United Kingdom
London, Greater London | £75k - £85k per year 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 … Senior Python Developer at the world's most advanced cybersecurity technology business that uses AI technology to protect clients across the 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 ...

Senior Python Developer - Fully Remote

Hiring Organisation
G.R.E. Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
Fully Remote Senior Full Stack Python Developer (Python, Django, SQL/Postgres, Typescript, ReactJS) - Solo Python Developer Role - Up to £65,000 - Fully Remote (They do have an office based near Gatwick Airport if you want to work from an office) - Open to applicants … delighted to partner with an award-winning legal technology provider who are continuing to grow and looking to add an experienced Fully Remote Senior Full Stack Python Developer to join their dev team as a solo Python Developer. You will have support from an experienced Product ...

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 Developer - Fully Remote

Hiring Organisation
G.R.E. Recruitment Limited
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 Annual
Fully Remote Senior Full Stack Python Developer (Python, Django, SQL/Postgres, Typescript, ReactJS) - Solo Python Developer Role - Up to £65,000 - Fully Remote (They do have an office based near Gatwick Airport if you want to work from an office) - Open to applicants ...

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. ...

Senior Python Developer - Cloud Automation

Location
Greater London, England, United Kingdom
Senior Python Developer | Tech Lead | Principal Engineer Python | Terraform | IaC | Cloud Automation London | Hybrid (2 days onsite. (London or Southampton) £100k + 8-10% bonus, private medical Are you a Senior or Tech Lead Software Engineer who loves solving infrastructure challenges through code … recruiting for an experienced Python Software Engineer to join a significant government technology project, helping to build secure enterprise customer platforms used by critical organisations. This is an opportunity to work on complex cloud infrastructure, automation, and platform engineering challenges where your work will have a direct impact ...

Senior Python Developer - Cloud Automation

Hiring Organisation
Spectrum IT Recruitment Limited
Location
London, United Kingdom
Employment Type
Permanent
Senior Python Developer | Tech Lead | Principal Engineer Python | Terraform | IaC | Cloud Automation London | Hybrid (2 days onsite. (London or Southampton) £100k + 8-10% bonus, private medical Are you a Senior or Tech Lead Software Engineer who loves solving infrastructure challenges through code … recruiting for an experienced Python Software Engineer to join a significant government technology project, helping to build secure enterprise customer platforms used by critical organisations. This is an opportunity to work on complex cloud infrastructure, automation, and platform engineering challenges where your work will have a direct impact ...

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 - 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 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 Sybase & Python Developer

Location
Greater London, England, United Kingdom
Project description We are looking for a senior Python developer to join our client's team and lead the build of a new data and application platform. The team focuses on clean code, agile methodologies, and high-quality delivery. The client is from the investment banking industry. … experience with Sybase (ASE and/or IQ), including database development and stored proceduresStrong SQL skills, including query and performance tuningStrong hands-on Python development skillsProven experience designing, building and maintaining ETL processesGood working knowledge of Unix/Linux and shell scriptingExperience in automated testing of applications and data ...

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 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 Backend Software Developer

Location
Greater London, England, United Kingdom
Xelix. If you’re excited about building something special with us, we’d love to hear from you. About the role We're seeking Senior Python Developers to join our back-end development team. This is a varied and challenging programming role. Tasks could include writing code … Technical Task or Presentation – A role-relevant exercise to demonstrate your skills and approach. Final On-site Interview – An in-person meeting with our senior leadership team and co-founders at our office. We strive to make the process clear, efficient, and respectful of your time. We welcome ...

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 ...

Senior Software Developer (Python)

Location
Greater London, England, United Kingdom
right here at Sky Role/Team overview About the Role We are looking for an experienced and motivated Senior Software Developer to join the software and data science team within Network Software & Data Science. You will help design, build, and evolve the software platforms, services, and data … Collaborate with data scienceists, data engineers, and network domain experts to translate business requirements into robust software solutions. Develop backend services and APIs using Python and modern frameworks such as FastAPI, Flask, or Django. Design and implement containerised applications using Docker and Kubernetes. Build and maintain CI/ ...

Senior Quant Developer (Python) – Remote Trading Systems

Location
Greater London, England, United Kingdom
Hunter Bond is seeking a Senior Quant Developer to build and optimize cross-asset trading systems. Based in London with remote options, you’ll deliver high-performance Python analytics, pricing models, and real-time risk checks within a production environment. You’ll collaborate with technology and trading ...