16 to 34 of 34 Senior Python Developer Jobs in London

Senior Python Developer – Multi-Billion Dollar Hedge Fund - Mortgage Technology - London - Hybrid – Up to £300k TC

Hiring Organisation
Mondrian Alpha
Location
City of London, London, United Kingdom
Senior Python Developer – Multi-Billion Dollar Hedge Fund - Mortgage Technology - London - Hybrid – Up to £300k TC My client, a leading UK hedge fund with $70 billion in AUM, is seeking to appoint a Senior Python Developer within its technology organisation. Our client is undertaking … pivotal role as the firm continues its migration away from legacy systems and enhances its bespoke internal platforms. The Role As a Business Engineering Developer, you will: Build, enhance, and maintain applications supporting mortgage origination, valuation, analytics, and reporting. Develop production-ready Python code to automate manual processes ...

Senior Python Developer – Multi-Billion Dollar Hedge Fund - Mortgage Technology - London - Hybrid – Up to £300k TC

Hiring Organisation
Mondrian Alpha
Location
London Area, United Kingdom
Senior Python Developer – Multi-Billion Dollar Hedge Fund - Mortgage Technology - London - Hybrid – Up to £300k TC My client, a leading UK hedge fund with $70 billion in AUM, is seeking to appoint a Senior Python Developer within its technology organisation. Our client is undertaking … pivotal role as the firm continues its migration away from legacy systems and enhances its bespoke internal platforms. The Role As a Business Engineering Developer, you will: Build, enhance, and maintain applications supporting mortgage origination, valuation, analytics, and reporting. Develop production-ready Python code to automate manual processes ...

Senior Python Developer

Hiring Organisation
Oho Group Ltd
Location
London Area, United Kingdom
Senior Python Engineer — Fully Remote | High Ownership | Modern Backend Systems I’m hiring for a Senior Python Engineer who wants meaningful ownership, technical depth, and the freedom to work from anywhere. This role is ideal for a seasoned engineer who’s built large-scale systems, cares … technical decisions, and ship features that shape the direction of the platform. What You’ll Work On Designing and developing robust backend services in Python Building APIs, distributed systems, or data/ML-powered features Improving performance, reliability, and scalability across core systems Leading design discussions and influencing long ...

Senior Python Developer

Hiring Organisation
Oho Group Ltd
Location
City of London, London, United Kingdom
Senior Python Engineer — Fully Remote | High Ownership | Modern Backend Systems I’m hiring for a Senior Python Engineer who wants meaningful ownership, technical depth, and the freedom to work from anywhere. This role is ideal for a seasoned engineer who’s built large-scale systems, cares … technical decisions, and ship features that shape the direction of the platform. What You’ll Work On Designing and developing robust backend services in Python Building APIs, distributed systems, or data/ML-powered features Improving performance, reliability, and scalability across core systems Leading design discussions and influencing long ...

Senior Risk Python Developer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 850 - 900 Daily
will be working on a Risk-based project as a Senior Python Developer for one of my London-based Financial Services Clients. You will need: Extensive hands-on development experience with Python within Financial Services Strong background working with Pandas & NumPy Good experience with Django … Javascript Strong experience working within a risk environment Proficiency with Python libraries such as click apply for full job details ...

Senior Risk Python Developer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£850.0 - £900.0 per day + Up to £900 Inside IR35
will be working on a Risk-based project as a Senior Python Developer for one of my London-based Financial Services Clients. You will need: Extensive hands-on development experience with Python within Financial Services Strong background working with Pandas & NumPy Good experience with Django … Javascript Strong experience working within a risk environment Proficiency with Python libraries such as NumPy, Pandas, Paramiko, etc. What you'll get in return Initial 6-month contract with extensions. Up to £900 Inside IR35 depending on experience. London-based hybrid working. What you need ...

Senior Risk Python Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£850 - £900 per day
will be working on a Risk-based project as a Senior Python Developer for one of my London-based Financial Services Clients. You will need: Extensive hands-on development experience with Python within Financial Services Strong background working with Pandas & NumPy Good experience with Django … Javascript Strong experience working within a risk environment Proficiency with Python libraries such as NumPy, Pandas, Paramiko, etc. What you'll get in return Initial 6-month contract with extensions. Up to £900 Inside IR35 depending on experience. London-based hybrid working. What you need ...

Senior Python Quantitative Developer - Quant Hedge Fund

Hiring Organisation
Winston Fox
Location
City of London, London, United Kingdom
Senior Python Quantitative Developer sought by a specialist and multi-award-winning Systematic Hedge Fund in a brand-new Core team designing and implementing a greenfield centralised Python/SQL/Linux/Docker platform for Backtesting, Pricing, Risk and Performance to be used across … tenure. The firm totals around 150 staff, all of whom are office-based three or more days per week. This is a more technical Senior QD role which will involve collaborating with Quantitative Researchers and Portfolio Managers to architect, design and implement scalable solutions, addressing complex business needs. Primarily ...

Senior Python Quantitative Developer - Quant Hedge Fund

Hiring Organisation
Winston Fox
Location
London Area, United Kingdom
Senior Python Quantitative Developer sought by a specialist and multi-award-winning Systematic Hedge Fund in a brand-new Core team designing and implementing a greenfield centralised Python/SQL/Linux/Docker platform for Backtesting, Pricing, Risk and Performance to be used across … tenure. The firm totals around 150 staff, all of whom are office-based three or more days per week. This is a more technical Senior QD role which will involve collaborating with Quantitative Researchers and Portfolio Managers to architect, design and implement scalable solutions, addressing complex business needs. Primarily ...

Senior Python Developer - Fullstack, AI, £700 a day

Hiring Organisation
Bangura Solutions
Location
City of London, London, United Kingdom
Expert Python Developer with Fullstack development skills required to design and build both the Back End and Front End of an AI-powered Personally Identifiable Information (PII) redaction Minimum Viable Product (MVP). The team's internal Data Scientists have already developed an early prototype, and the Developer will work closely with them to transform this into a secure, scalable redaction service suitable for operational use. Skills & experience Expert knowledge of Python, including Front End technologies such as CSS/HTML and frameworks such as react and angular. Expert knowledge of the relational model and database ...

Senior Python Developer - Fullstack, AI, £700 a day

Hiring Organisation
Bangura Solutions
Location
London Area, United Kingdom
Expert Python Developer with Fullstack development skills required to design and build both the Back End and Front End of an AI-powered Personally Identifiable Information (PII) redaction Minimum Viable Product (MVP). The team's internal Data Scientists have already developed an early prototype, and the Developer will work closely with them to transform this into a secure, scalable redaction service suitable for operational use. Skills & experience Expert knowledge of Python, including Front End technologies such as CSS/HTML and frameworks such as react and angular. Expert knowledge of the relational model and database ...

Senior Digital Developer - Python (£750 p/d)

Hiring Organisation
Albion Blake
Location
London Area, United Kingdom
Title: Senior Full-Stack Developer (Python) Rate: £750 p/d Duration: 6 Months Location: Remote Clearance: BPSS (must have) This role is ideal for an experienced contractor with expert Python knowledge who enjoys working across backend and frontend, collaborating closely with data scientists, and delivering … Information (FOI) requests, where current manual processes are costly, fragmented, and high-risk. Key Responsibilities: Design, develop, and maintain full-stack software using Python Build and integrate frontend components using HTML, CSS, and frameworks such as React or Angular Work with relational databases and data-driven applications Collaborate closely ...

Senior Digital Developer - Python (£750 p/d)

Hiring Organisation
Albion Blake
Location
City of London, London, United Kingdom
Title: Senior Full-Stack Developer (Python) Rate: £750 p/d Duration: 6 Months Location: Remote Clearance: BPSS (must have) This role is ideal for an experienced contractor with expert Python knowledge who enjoys working across backend and frontend, collaborating closely with data scientists, and delivering … Information (FOI) requests, where current manual processes are costly, fragmented, and high-risk. Key Responsibilities: Design, develop, and maintain full-stack software using Python Build and integrate frontend components using HTML, CSS, and frameworks such as React or Angular Work with relational databases and data-driven applications Collaborate closely ...

Senior Python Developer

Hiring Organisation
Anson McCade
Location
City of London, London, United Kingdom
They are seeking a Backend Engineer to build highly scalable and maintainable services using modern technologies.. What You’ll Do: Develop backend services in Python (FastAPI/Django) Work on microservice architecture, data processing, and customer experience Collaborate across Product, Design, and Engineering teams Contribute to code reviews, pair … programming, and Agile improvements Tech Stack: Python, FastAPI, Django, AWS, Kubernetes, Helm, Terraform, PostgreSQL, Opensearch What We Offer: Competitive salary + performance bonus 28 days holiday + bank holidays + birthday off Private medical insurance, L&D opportunities, mental health support Hybrid working and a vibrant office culture ...

Senior Python Developer

Hiring Organisation
Anson McCade
Location
London Area, United Kingdom
They are seeking a Backend Engineer to build highly scalable and maintainable services using modern technologies.. What You’ll Do: Develop backend services in Python (FastAPI/Django) Work on microservice architecture, data processing, and customer experience Collaborate across Product, Design, and Engineering teams Contribute to code reviews, pair … programming, and Agile improvements Tech Stack: Python, FastAPI, Django, AWS, Kubernetes, Helm, Terraform, PostgreSQL, Opensearch What We Offer: Competitive salary + performance bonus 28 days holiday + bank holidays + birthday off Private medical insurance, L&D opportunities, mental health support Hybrid working and a vibrant office culture ...

Senior/Lead Full Stack Developer (React / Python) AI Start up!

Hiring Organisation
Robert Half
Location
City of London, London, United Kingdom
Employment Type
Permanent
Senior/Lead Hands on Full Stack Developer - React/Python London | Hybrid (4days in the office and 1 day from home) £110,000+ Equity | Full-Time | Start-up We're a high-growth start-up building a leading healthcare! Looking for a Full Stack developer who loves working across the stack - React on the front end, Python on the back end. You'll: Build responsive UIs in React Develop APIs & services in Python (either Django/Flask/FastAPI) Own features end-to-end Help shape our tech stack You have: Strong ...

Senior/Lead Full Stack Developer (React / Python) AI Start up!

Hiring Organisation
Robert Half
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Senior/Lead Hands on Full Stack Developer - React/Python London Hybrid (4days in the office and 1 day from home) £110,000+ Equity Full-Time Start-up We're a high-growth start-up building a leading healthcare! Looking for a Full Stack developer who loves working across the stack - React on the front end, Python on the back end click apply for full job details ...

C# Software Engineer/Quantitative Developer (Junior and Senior) - Global Hedge Fund - C# & Python : £80-150k

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
C# skilled Software Engineer/Quant Developer, you'll work closely with portfolio managers, researchers, and data scientists to build and maintain the systems that drive our alpha-generating strategies. You’ll contribute to every part of the investment pipeline—from research tooling and data infrastructure to real-time … trading systems. Key Responsibilities: Design, develop, and optimize high-performance trading tools and data pipelines using C# and ideally Python Build research platforms that empower quantitative analysts and strategists Integrate and manage large, complex datasets from a variety of sources Collaborate with quants and PMs to implement and backtest ...

C# Software Engineer/Quantitative Developer (Junior and Senior) - Global Hedge Fund - C# & Python : £80-150k

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
C# skilled Software Engineer/Quant Developer, you'll work closely with portfolio managers, researchers, and data scientists to build and maintain the systems that drive our alpha-generating strategies. You’ll contribute to every part of the investment pipeline—from research tooling and data infrastructure to real-time … trading systems. Key Responsibilities: Design, develop, and optimize high-performance trading tools and data pipelines using C# and ideally Python Build research platforms that empower quantitative analysts and strategists Integrate and manage large, complex datasets from a variety of sources Collaborate with quants and PMs to implement and backtest ...