2,476 to 2,500 of 4,714 Python Jobs in London

Senior Python Backend Engineer – Fintech API Systems

Location
Greater London, England, United Kingdom
Fundment Limited in London is seeking an experienced Python Software Engineer to join our product engineering team. You will help build and evolve the backend systems powering our wealth platform, designing secure, scalable APIs and internal tools using Python, FastAPI, SQLAlchemy, and related technologies. Collaborate with cross-functional teams ...

Senior Python Engineer: Tech Lead for Scalable, Secure Platforms

Location
Greater London, England, United Kingdom
Fundment Limited is seeking a Senior Python Engineer to design, develop, and optimise our innovative solutions. You will drive technical execution, mentor developers, and ensure our platform remains scalable, reliable, and secure. Role collaborates with operations, investments, client services, sales, and finance. Requirements include 8+ years in software development with … least 4 years Python, plus experience mentoring. Hybrid work arrangement with 3 days in the Fitzrovia office in London. #J-18808-Ljbffr ...

Senior Python Backend Engineer - Scalable APIs & AI Data

Location
Greater London, England, United Kingdom
Xelix is seeking Senior Python Developers to join our back-end team in a fast-paced scale-up environment. You will write Python code, build REST APIs with Django or Flask to support the React front end, and collaborate with AI Engineers to analyze large datasets. We encourage ownership, offer ...

Python Django Developer

Hiring Organisation
Invitise Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 720 Daily
looking for a Lead Software Engineer (Python & Django) for a central government department based in London, Manchester, Birmingham or Cardiff (hybrid), on an initial 12 months contract, paying up to £720 per day (Inside IR35). This is a hybrid role with around 40% office attendance, roughly two days ...

Senior Python Engineer – AI-Powered Backend & REST APIs

Location
Greater London, England, United Kingdom
Xelix in London is seeking Mid and Senior Python Developers to join our back‐end team. You’ll write clean, tested Python code, work with AI engineers on large data sets, and design RESTful APIs in Django to support the React front end. We value ownership, provide an annual conference ...

Python & Java Backend Engineer – Spring Boot & REST

Location
Greater London, England, United Kingdom
Hamilton Barnes Associates Limited is seeking a Python Developer with strong Java experience for a 12-month hybrid contract in London. The role involves designing, developing, and maintaining backend applications within a financial services context, collaborating across the full SDLC. Key responsibilities include building RESTful services with Spring Boot, integrating ...

Software Engineer Python AI - Renewable Energy

Hiring Organisation
Client Server
Location
City Of Westminster, London, United Kingdom
Employment Type
Permanent
Salary
GBP 120,000 Annual
Software Engineer/Business Systems (Python AI) London/WFH to £120k Are you a technologist Software Engineer with commercial AI experience who enjoys getting close to real business problems, building solutions quickly and taking them into production? You could be progressing your career at a rapidly scaling renewable energy ...

AI Engineer - Python

Hiring Organisation
Run-Time Group Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Python Engineer is required to join a Fintech company developing next generation tools for how companies get funding and optimise their working capital. Our client aims to change how corporate finance works, by replacing static, limited and often stale financial metrics with live data-driven insights sourced from direct connections ...

FinTech Data Analyst: SQL, Python & Data Quality Insights

Location
Greater London, England, United Kingdom
team. You will play a key role in data-related activities for datasets used by Quants and Traders. The role requires strong SQL and Python skills (PySpark, Pandas, Jupyter Notebooks), plus experience with Airflow, Linux/Bash, and data-quality practices. You will collaborate with stakeholders and help improve data ...

Python Software Engineer - Fintech

Hiring Organisation
Run-Time Group Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Senior Level Python Engineer is required to join a Fintech company developing next generation tools for how companies get funding and optimise their working capital. Our client aims to change how corporate finance works, by replacing static, limited and often stale financial metrics with live data-driven insights sourced from ...

Senior Pricing Engineer | Hybrid | Python/SQL

Location
Greater London, England, United Kingdom
functional teams, and mentor pricing engineers to drive innovation and accuracy. The role emphasizes data‐driven insights, testing before deployment, and clear documentation with Python, SQL and Polaris PW tools, contributing to fair pricing and #J-18808-Ljbffr ...

Backend Systems Engineer: Go/Python Microservices & Pipelines

Location
Greater London, England, United Kingdom
join the engineering team in building and operating the backend services and pipelines powering its platform. You will develop and run Go and Python microservices, expose curated data via APIs, and help optimize latency, scalability, and cost while collaborating with AI, frontend, and product teams in a hybrid setting from ...

AWS Network Engineer: Palo Alto Firewalls & Python

Location
Greater London, England, United Kingdom
resilient cloud network solutions across Amsterdam/Remote engagements. The role emphasizes hands-on AWS networking, firewall management, and automation, with a focus on Python scripting and IaC to improve operational excellence. #J-18808-Ljbffr ...

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 risk infrastructure ...

Python Software Engineer - Quant Trading Fixed Income

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Python Software Engineer – Quant Trading Fixed IncomeQuant Capital is urgently looking for a Quant Software Engineer to join our high profile client.rformance figures of 23%. They trade a number of products across equity and commodities in both high and low frequency strategies. They have the reputation … best funds globally. They use a combination of proprietary data, superior technology, and aggressive execution to achieve their trading objectives. This Quant Python Software Engineer role is to join a small team running their own Fixed Income Quant strategy; you will be an integral part of this team and will ...

Front Office Python Engineer - Trading Systems

Location
Greater London, England, United Kingdom
JPMorgan Chase & Co. in London seeks an Athena/Python Front Office Software Engineer to join an agile Commodities Tech team. You will build, enhance and deliver trusted market-leading technology products for the front office in a secure, scalable way. You will work with Precious Metals and Agriculture trading ...

Generative AI Testing Engineer - Python & Validation

Location
Greater London, England, United Kingdom
Reply is seeking a mid/senior AI Testing & Engineering Specialist with strong Python expertise to build and evolve a next-generation testing framework for generative AI agents. You will work across AI engineering, data pipelines, and quality automation, shaping standards for AI system validation in production environments. The role ...

Software Engineer - Business Experience Platform (Python/C#)

Location
Greater London, England, United Kingdom
code and contribute to green-field development to empower business users with DRW technology. The role requires 6+ years of software engineering, fluency in Python and/or C#, and a Bachelor's degree in CS or SE. You will gather requirements, lead projects, and work with AI coding assistants ...

Data Pipeline Software Engineer - Commodities (Python)

Location
Greater London, England, United Kingdom
projects. Initially you will focus on delivering data to analysts, with opportunities to design core data infrastructure as you grow. The role emphasizes reliable Python ETL development, strong communication, and a collaborative, high-performance #J-18808-Ljbffr ...

Backend Python Eng | FastAPI, AWS, Microservices | Equity

Location
Greater London, England, United Kingdom
Burns Sheehan Ltd is hiring Software Engineers to help rewrite and scale backend services using Python, FastAPI, and AWS. You will contribute to design, implementation, and production deployments within cross-functional squads in a product-led environment. Ideal candidates have 2-5 years in backend engineering, experience with microservices ...

Senior Web Engineer – Python, Django & React

Location
Greater London, England, United Kingdom
interfaces. You’ll work across front and back ends, ensuring scalability and reliability for millions of requests per day. The role requires strong Python and JavaScript skills, Django experience, and a passion for code quality, testing, and automation. A hybrid London/remote setup is available with collaboration across teams. ...

Python AI Engineer for Renewable Energy — Hybrid/London

Location
Greater London, England, United Kingdom
Client Server Limited in London is seeking a Software Engineer with strong Python and commercial AI experience to design and deliver production AI-driven software across the business. You'll work with AI leads and domain experts, prototype with real data, deploy solutions, and help build the company ...

AI Platform QA Automation Engineer (Python)

Location
Greater London, England, United Kingdom
EPAM Systems in London is seeking a Python QA Automation Engineer to join an onsite team, contributing to an AI-driven enterprise project. You will develop automated testing frameworks and evaluation pipelines for MCP components within our AI platform, ensuring robust quality and compliance across intelligent automation solutions. You will ...

Senior ML Engineer — High-Performance Python & HPC

Location
Greater London, England, United Kingdom
converting trading models into production systems, designing necessary tooling, and supporting strategy research and development. The ideal candidate will have a strong foundation in Python and C++, alongside experience in high-performance computing. Hybrid working is supported, and various perks such as a bonus scheme and healthcare are offered. #J ...

Cloud-Focused Backend Engineer (Python/Go) | Flexible Hours

Location
Greater London, England, United Kingdom
Vault product. The role emphasizes production-ready code, automated testing, and close collaboration with other engineering teams. The ideal candidate will have experience with Python or Golang, automated testing, and an interest in client-facing projects, including scoping and defining deliverables. AWS/Kubernetes experience is desirable. #J-18808-Ljbffr ...