1 to 25 of 44 Permanent Senior Python Developer Jobs in London

Senior Python Developer - up to 90,000 + Bonus - Hybrid

Hiring Organisation
Involved Solutions
Location
London, United Kingdom
Salary
£ 80 K
Reference: BBBH3876_1787844953Senior Python DeveloperSalary: Up to 90,000 + Bonus + BenefitsLocation: Central LondonWorking Pattern: HybridJob Type: PermanentAn exciting opportunity has arisen for an experienced Senior Python Developer to join a large scale technology environment, developing automation solutions, backend services and tooling supporting complex telecoms … network operations.This Senior Python Developer is a hands on engineering position with a strong focus on Python, REST APIs, automation and backend development. You will work across applications supporting testing, monitoring and operational efficiency within 5G and enterprise platforms, with exposure to Linux, Docker, CI/ ...

Senior Python Developer

Hiring Organisation
Oscar Technology
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£550.00 - £650.00 per day
Senior Python Developer | Fully Remote | 6 Months | Build a New Multi-Asset Security Data Platform | Python, PostgreSQL, Pandas/Polars The Opportunity We're looking for a Senior Python Developer to join a data-focused team working on a new Security Master platform … income, funds and alternative assets across both the UK and US markets. You'll work alongside an established client Data Team, contributing hands-on Python development to the ingestion, processing and distribution of critical financial data. This is an exciting opportunity for a senior developer who enjoys ...

Senior Python Developer AWS - Front Office

Hiring Organisation
Client Server
Location
London, United Kingdom
Salary
£ 120 K
Senior Python Developer/Engineer (Python AWS) London/WFH to 130kAre you a Python technologist with experience of Front Office trading environments You could be progressing your career on the Asset Management side of a global Japanese bank as they expand this product offering … within the UK.As a Senior Python Developer, you'll design, develop and enhance high performance trading systems and cloud infrastructure that support critical front, middle and back office operations. Collaborating with stakeholders across the business, you'll translate complex requirements into scalable, resilient technology that drives efficiency ...

Senior Python Quant Developer, London - Systematic Trading - No Visa Sponsorship Advertised

Location
Greater London, England, United Kingdom
Senior Python Quant Developer, London - Systematic Trading - No Visa Sponsorship Advertised Company Company Oxford Knight Location Location London, UK Type Type full_time Sponsorship Sponsorship Check with employer UK-based applicants — this role does not advertise visa sponsorship. Right-to-work in the UK is preferred. Foreigners … still enquire with the employer. Oxford Knight is seeking a Senior Python Quant Developer for a full-time position in London, focusing on systematic trading strategies. This role is ideal for experienced quantitative developers already based in the UK with existing right-to-work, as visa sponsorship ...

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 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 Developer | £700/day inside IR35

Hiring Organisation
Akkodis
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£700.00 per day
Senior Python Developer - Finance London | Hybrid - 3 days per week £700/day Inside IR35 | 12-month contract Permanent/FTC options also available We're working on a number of new Senior Python Developer opportunities within a major Financial Services technology environment, supporting … trading, regulatory and enterprise engineering platforms. These are long-term hires rather than short-term backfill, with multiple teams looking to bring in experienced Python Developers who are comfortable building business-critical applications in a complex banking environment. You'll be working closely with engineering and business stakeholders ...

Senior Python Developer

Hiring Organisation
AdRoc Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 95,000 Annual
looking for a Senior Python Developer to join one of our public sector clients. Salary: up to (£95k per annum total package) Location: UK, remote working Public sector experience will be highly beneficial For full details regarding this Senior Python Developer role, please apply … here and we'll be in touch engineer developer consultant SME JBG81_UKTJ click apply for full job details ...

Senior Python Quant Developer, London - Oxford Knight - UK-Based Only

Location
Greater London, England, United Kingdom
Senior Python Quant Developer, London - Oxford Knight - UK-Based Only Company Company Oxford Knight Location Location London, UK Type Type full_time Sponsorship Check with employer UK-based applicants — this role does not advertise visa sponsorship. Right-to-work in the UK is preferred. Foreigners may still … enquire with the employer. This is an exciting opportunity for a Senior Python Quant Developer at Oxford Knight in London, focusing on systematic trading strategies. The role is ideal for experienced Python developers with a quantitative background already based in the UK and possessing existing right ...

Senior Python Developer

Hiring Organisation
Henderson Scott
Location
London, United Kingdom
Salary
0
Senior Python Developer - Collibra - Pydantic - FastAPI - 12 month contract - Glasgow Hybrid (3 days onsite) I am looking for an experienced Python Developer with experience of Collibra to deliver robust data structures, metadata models and automation tools for our client in central Glasgow. What … focus on: Turning regulatory, risk and metadata requirements into asset models and governance patterns the organisation can reuse. Developing Python and Pydantic-based components that support data governance, validation, workflows and integrations. Shaping and configuring Collibra models and operating structures to embed data governance at enterprise scale. Using ...

Senior Python Quant Developer - London - Systematic Trading - No Visa Sponsorship Advertised

Location
Greater London, England, United Kingdom
applicants — this role does not advertise visa sponsorship. Right-to-work in the UK is preferred. Foreigners may still enquire with the employer. This Senior Python Quant Developer role with Oxford Knight in London offers a compelling opportunity within a premier investment firm. While UK-based applicants … quantitative discipline. A minimum of 5 years of experience in designing and developing software for quantitative trading or similar high-performance environments. Proficiency in Python, with experience in numerical libraries and performance optimization. Strong understanding of systematic trading strategies and financial markets. Experience with large-scale data processing ...

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 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. This blog post highlights a Senior Python Quant Developer role with Oxford Knight in London, an excellent opportunity for experienced professionals in systematic trading. This position is ideal … offers a competitive salary of £66,504.59 and a 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

Location
City Of London, England, United Kingdom
Senior Python Engineer Infrastructure Automation London, London City Hybrid, 2 days a week onsite 75k plus 8% bonus, 10% pension, private healthcare 5+ years commercial experience with Python We’re recruiting for a Senior Python Engineer to join a global AI & SaaS specialist. This … plenty of opportunities to learn, develop and progress your career. What You’ll Be Doing Summary of Skills Building automation frameworks and tooling using Python Developing Infrastructure as Code solutions with Terraform Creating reusable templates and code generation platforms using Jinja/Jinja2 Automating Windows environments through PowerShell Managing ...

Senior Python Developer

Hiring Organisation
Spectrum IT Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
Senior Python Engineer | Infrastructure Automation London, London City Hybrid, 2 days a week onsite £75k plus 8% bonus, 10% pension, private healthcare 5+ years commercial experience with Python We're recruiting for a Senior Python Engineer to join a global AI & SaaS specialist. This … plenty of opportunities to learn, develop and progress your career. What You'll Be Doing | Summary of Skills Building automation frameworks and tooling using Python Developing Infrastructure as Code solutions with Terraform Creating reusable templates and code generation platforms using Jinja/Jinja2 Automating Windows environments through PowerShell Managing ...

Senior Python Developer - Quant Models AI Automation, Vice President

Location
Greater London, England, United Kingdom
seeking a senior Python Developer within Risk Technology to join a multi-year strategic initiative: the design and delivery of AI-enabled automation across the end-to-end quantitative model lifecycle, covering all market risk and credit risk models. This is a hands-on engineering role … data engineers, and the program leadership to translate workflow automation requirements into robust, production-grade solutions. Key Responsibilities Engineering & Delivery Design, develop, and maintain Python-based services, pipelines, and tools supporting automation of the quantitative model lifecycle across market risk and credit risk model families. Build and operate automated ...

Senior Python Developer: Finance & Trading (Hybrid London)

Location
Greater London, England, United Kingdom
Modis International Ltd is seeking a Senior Python Developer in London to design, build and enhance Python applications for a major Financial Services technology environment. The role is hybrid, with 3 days per week in the London office, and initially a 12-month contract ...

Senior Python Developer - Quant Models AI Automation, Vice President

Hiring Organisation
Citigroup
Location
London, United Kingdom
Salary
£ 80 K
99436955280Posted: 2026-09-09Location: London, England, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiWe are seeking a senior Python Developer within Risk Technology to join a multi-year strategic initiative: the design and delivery of AI-enabled automation across the end-to-end quantitative model lifecycle, covering … analysts, model validators, data engineers, and the program leadership to translate workflow automation requirements into robust, production-grade solutions.Key ResponsibilitiesEngineering & DeliveryDesign, develop, and maintain Python-based services, pipelines, and tools supporting automation of the quantitative model lifecycle across market risk and credit risk model families.Build and operate automated testing ...

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 – Counterparty Credit Risk

Location
Greater London, England, United Kingdom
Citibank (Switzerland) AG is looking for a Counterparty Credit Risk Senior Application Developer in London. This senior role involves developing and maintaining credit risk applications, collaborating closely with Quant and Front Office technology teams. Ideal candidates will have robust experience in Python and Python applications ...

Senior Python Developer

Hiring Organisation
Spectrum IT Recruitment
Location
London, United Kingdom
Salary
£ 80 K
annum + Bonus & BenefitsCity of London, LondonPermanentSenior Python Engineer | Infrastructure Automation London, London CityHybrid, 2 days a week onsite75k plus 8% bonus, 10% pension, private healthcare5+ years commercial experience with PythonWe're recruiting for a Senior Python Engineer to join a global AI & SaaS specialist.This ...

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 - Hybrid (London)

Location
Greater London, England, United Kingdom
Oxford Knight in London seeks a Senior Python Quant Developer for a full‐time role focused on systematic trading. You will build live trading components and sophisticated simulators across equities, futures and FX in a fast-paced, premier investment setting. The ideal candidate has a Masters … quantitative field, 5+ years of Python-based experience in quantitative finance, and deep knowledge of data structures, algorithms and HPC concepts. #J-18808-Ljbffr ...

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 Developer

Hiring Organisation
King Games
Location
London, United Kingdom
Salary
£ 80 K
data platforms, forecasting systems, and internal tools that help our teams make better decisions, move faster, and deliver exceptional experiences.We are looking for a Developer (Python) to help design, build, and operate backend services, internal applications, and data-driven platforms that support critical business and product decisions across … problems and building reliable systems that operate at scale. You are curious, pragmatic, and motivated by creating high-quality solutions that deliver measurable impact.Strong Python development experience in production environmentsExperience building backend services and APIsUnderstanding of modern web application development and the ability to contribute across the stack when ...