Fullstack Engineer Python Apis Data Platforms Jobs in London, UK

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Full‑Stack Engineer: Python, APIs & Data Platforms

A leading fintech start-up is looking for a Backend Engineer to design systems and enhance functionality within their platform. The role involves working with Python, Docker, and AWS to improve data processing and automation. The ideal candidate has strong collaboration skills, experience with API design, and ca ...

Fullstack Python Engineer

Do you enjoy building scalable cloud-native applications with Python and modern frontend frameworks? Role overview We are looking for a Full Stack Python Developer to join one of our strategic digital programmes. You'll be working across backend and frontend systems, helping to scal ...

Fullstack Python Engineer

Do you enjoy building scalable cloud-native applications with Python and modern frontend frameworks?Role overviewWe are looking for a Full Stack Python Developer to join one of our strategic digital programmes. You'll be working across backend and frontend systems, helping to scale ...

Fullstack Python Engineer

Do you enjoy building scalable cloud-native applications with Python and modern frontend frameworks?Role overviewWe are looking for a Full Stack Python Developer to join one of our strategic digital programmes. You'll be working across backend and frontend systems, helping to scale ...

Senior Fullstack Engineer, Data Platform — SDKs & APIs

Spotify is looking for a Fullstack Developer to join their Data Platform in London. You'll build tools to help developers understand user behavior and collaborate with cross-functional teams. The ideal candidate has strong JavaScript and TypeScript skills, experience with React, and a focus on developer experien ...

Senior Fullstack Python Engineer

Job Description THE ROLE As a Senior Fullstack Python Engineer, you will work closely with a highly skilled engineering lead to deliver brand new features to an already growing platform. Using your experience as Python engineer with Django you will help choose what the best ...

Senior Fullstack Python Engineer

Job Description THE ROLE As a Senior Fullstack Python Engineer, you will work closely with a highly skilled engineering lead to deliver brand new features to an already growing platform. Using your experience as Python engineer with Django you will help choose what the best ...

Senior Python Engineer Data & Security Platforms

CFC is searching for a Senior Python Engineer to join their Global Security Services team in London. You will develop data capabilities critical to protecting policyholders from cyber threats, utilizing a modern tech stack including Python, PostgreSQL, and cloud infrastructure. The role emphasizes collaboration, ...

Senior Backend Engineer — Python APIs, Data, Hybrid

A technology-driven financial services firm in Greater London is seeking a Senior Backend Engineer to enhance their market-leading CLO product. The role involves leading projects, collaborating in cross-functional teams, and improving backend services. Ideal candidates will have substantial Python experience, es ...

Fintech Python Engineer APIs & Data Pipelines (Hybrid)

A fast-growing fintech company in Greater London is looking for a skilled Software Engineer to develop and maintain APIs that process financial metrics. The role offers opportunities to work in a collaborative environment and enhance expertise in a finance-focused setting. Ideal candidates should possess strong ...

Senior Python Backend Engineer: APIs, Cloud & Data

A technology consulting firm is looking for a Senior Python developer to enhance applications for investor portfolio management. You will collaborate with business analysts and developers, focusing on designing production APIs, improving system efficiency, and employing cloud-native solutions. The ideal candidat ...

Lead Python Engineer for Scalable Data Platforms

A leading insurance company is seeking a Technical Lead - Python to guide an engineering team in developing high-quality solutions. This hands-on leadership role involves designing complex systems, mentoring engineers, and driving improvements in automation and tooling. The ideal candidate has strong Python and ...

Senior Python Engineer: Data Platforms for Research

A boutique quant fund is seeking an experienced Python Software Engineer to design and build distributed systems and data tooling to support quantitative research. This role offers a competitive compensation package and the opportunity to work with modern data technologies. Ideal candidates will have strong Pyth ...

Senior Python Data Engineer — REST APIs & AWS Lambda

A dynamic software development company in London is seeking an experienced developer with a strong background in Core Python (3.7+) and REST APIs. The ideal candidate has a minimum of 5 years’ experience, possesses strong problem-solving skills, and is comfortable in an Agile workspace. Familiarity with AWS Lamb ...

Python Infrastructure Engineer — Scale Fintech APIs

Lendable in Greater London seeks a Python Infrastructure Team member to design APIs, optimise platforms, and engage in architecture discussions. Candidates should have strong Python and FastAPI experience and testing skills. The role offers flexible working, health coverage, and a dynamic fintech environment. Jo ...

Backend Engineer (Python, APIs & Docker) Contract

Mercor is seeking a Software Engineer to develop MCP servers and integrate applications into the RL Studio platform. This contract position offers a compensation of $40–$50/hour. The ideal candidate should possess strong Python skills, experience with APIs, and familiarity with Docker and Linux environments. Key ...

Python Backend Engineer — REST APIs & PostgreSQL

Strong proficiency in Python (e.g., Django, Flask, FastAPI) Hands-on experience with PostgreSQL , including performance tuning and indexing Solid understanding of SDLC methodologies (Agile, Scrum, or Waterfall) Experience designing and consuming RES ...

Fullstack Python/React developer

Job Description My client is urgently looking for someone who is already comfortable with agile web development in a commercial setting. The client's domain of entertainment production is a rich, complex one and they want to focus on initiating you into the world of runners, grips and ...

Fullstack Python/React developer

Job Description My client is urgently looking for someone who is already comfortable with agile web development in a commercial setting. The client's domain of entertainment production is a rich, complex one and they want to focus on initiating you into the world of runners, grips and ...

Green Tech Python Fullstack Engineer (AWS)

A leading energy-tech company in the Greater London area is seeking a Python Software Engineer to join their core product team. The ideal candidate will work in a hybrid environment, resolving critical engineering challenges in a fast-paced green tech setting. They will have ownership over design decisions, cont ...

Cloud Native Fullstack Engineer: Python + Angular

A leading technology consultancy in the United Kingdom is seeking a Full Stack Python Developer to join their strategic digital programmes. The role involves working with backend systems using Python and frontend frameworks like Angular, focusing on scaling and modernizing applications hosted on GCP Kubernetes. ...

Python Engineer Equities Intraday Risk Platforms

A leading global financial institution is seeking a Lead Software Engineer to join their Equities team in Greater London. In this role, you will design and deliver software solutions that enable front office users to manage their risk effectively. You should have extensive experience in programming, particularly ...

Full Stack Engineer

Overview Fullstack Software Engineer – London-based role hiring on behalf of Understanding Recruitment. Salary: £140k+ stock options + exceptional benefits. Location: London based team. This is a cutting-edge tech company reimagining how software gets built by combining full-code flexibility ...

Software Engineer III AI/ML Data Platforms AI Engineer Python

Job Description We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer at JPMorgan Chase within the AI/ML Data Platforms business, you are an integral part of a team that works to enhance, build, and deliver ...

Lead Software Engineer AI/ML Data Platforms AI Engineer Python

Job Description We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the AI/ML Data Platforms business, you are an integral part of a team that works to enhance, build, ...

Lead Software Engineer AI/ML Data Platforms AI Engineer Python

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the AI/ML Data Platforms business, you are an integral part of a team that works to enhance, build, and deliver trusted market- ...

Lead Software Engineer AI/ML Data Platforms AI Engineer Python

LONDON, United Kingdom Job Information Job Identification Job Category Software Engineering Business Unit Commercial & Investment Bank Posting Date 03/20/2026, 01:34 PM Locations 25 Bank Street, Canary Wharf, London, Greater London, E14 5JP, ...

Software Engineer III AI/ML Data Platforms AI Engineer Python

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer at JPMorgan Chase within the AI/ML Data Platforms business, youare an integral part of a team that works to enhance, build, and deliver trusted market-leading tech ...

Lead Software Engineer AI/ML Data Platforms AI Engineer Python

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Lead Software Engineer at JPMorgan Chase within the AI/ML Data Platforms business, you are an integral part of a team that works to enhance, build, and deliver trusted market-lead ...

Lead Software Engineer AI/ML Data Platforms AI Engineer Python

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Lead Software Engineer at JPMorgan Chase within the AI/ML Data Platforms business, you are an integral part of a team that works to enhance, build, and deliver trusted market-lead ...

Senior Python Backend Engineer | Hybrid, APIs & Growth

A dynamic tech scale-up in England is looking for Mid and Senior Python Developers to join its back-end team. You will implement scalable solutions, design REST APIs, and ensure code quality in a collaborative setting. This full-time role offers a competitive salary of £60,000 - £80,000, hybrid working options, ...

Senior Python Backend Engineer Remote iGaming APIs

Burns Sheehan is seeking a Senior Software Engineer to join a rapidly scaling iGaming platform as a technical anchor for the backend team. This remote-first position requires strong backend engineering experience, particularly in Python, along with a proven ability in building production-grade APIs. The role inv ...

Python Software Engineer

Python Software Engineer – Fullstack | Green Tech £40,000-65,000 Python, TypeScript/Reactjs - AWS Hybrid - Essex Energy-tech company Real-world product solving complex problems in industrial energy systems We’re partnered with a fast-growing green-t ...

Python Developer – APIs & LLM Data Infrastructure (Energy Markets)

Overview Modo Energy is building the data and AI infrastructure behind the energy transition — ingesting global energy datasets and powering APIs, analytics platforms, and LLM-driven systems that understand real-world power markets. Our data platform processes huge volumes of energy marke ...

Frontend leaning Fullstack Engineer(React/TypeScript/Python)

Frontend leaning Fullstack Engineer(React/TypeScript/Python) Up to £120k+ (plus equity) 3 days p/week in London Frontend leaning Fullstack Engineer(React/TypeScript/Python) – Would you like the opportunity to join a fast-growing Seed start-up who are currently building the futu ...

Python Data Engineer

Qualifications Minimum 5 years experience in Core python development with version 3.7 or better. Hands‑on experience developing software for HTTP, REST API with handling HTTP Status codes is a must. Able to handle JSON and XML payloads. Including processing incoming payl ...

Data Engineer Data & Analytics Platforms

**Introduction**At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

Data Engineer Data & Analytics Platforms

Senior Data Engineer - Data & Analytics Platforms At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You’ll collaborate with top industry professionals, gain hands‑on experience with cu ...

Senior Fullstack Enginer (Python & React)

Senior Fullstack Engineer (Python & React) 2 weeks ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Parser Senior Full Stack Software Engineer – Passenger Flow Modelling <p ...

Senior Scientific Fullstack Python Developer

I am currently working with a London-based financial services client who are actively seeking a Senior Fullstack Python Developer to work on the development of a next-generation research platform.What you'll need to succeed : Strong Python software engineering experience beyond explorato ...

Senior Scientific Fullstack Python Developer

I am currently working with a London-based financial services client who are actively seeking a Senior Fullstack Python Developer to work on the development of a next-generation research platform.What you'll need to succeed : Strong Python software engineering experience beyond explorato ...

Principal Engineer, Data Platforms

Principal Engineer, Data Platforms at Just Eat Takeaway.com Ready for a challenge? Then Just Eat Takeaway.com might be the place for you. We’re a leading global online delivery platform, and our vision is to empower everyday convenience. Whether it’s a Friday‑night feast, a post‑gym poke bowl, or ...

Full Stack Engineer

Full Stack Software Engineer - Data Focussed Type: Permanent Sponsorship: Not Available Role Overview We are seeking a Senior or Staff-Level FullStack Software Engineer with a strong background in data to join our Data Science & Engineering team. This is a greenfield ini ...

Backend Engineer – Scalable Data & APIs

A leading software company based in Greater London is seeking a passionate Backend Software Engineer to architect, develop, and maintain high-performance backend systems. You will collaborate with cross-functional teams to create sophisticated data solutions, optimize code for speed, and build robust APIs. The i ...

AI Engineer

Job DescriptionRole SummaryWe are looking for a AI (Fullstack) Engineer to help evolve Logistics into an agent‑first, AI‑native product.This is not a traditional “add AI to an existing system” role.You will design and build LLM‑powered ...

AI Engineer

Job DescriptionRole SummaryWe are looking for a AI (Fullstack) Engineer to help evolve Logistics into an agent‑first, AI‑native product.This is not a traditional “add AI to an existing system” role.You will design and build LLM‑powered ...

Fullstack Engineer

Build The UX That Powers the Future of Automotive About Us At Carpata, our vision is to build the vehicle and parts data infrastructure that powers the automation of the entire automotive aftersales industry. We're working with garages, dealerships, manufacturers, parts suppliers, and insura ...

Fullstack Engineer

Role Title : Fullstack Engineer Duration : 12 Months Location : London (2 Days per Week Onsite) Rate : £685p/d max via Umbrella Role Brief Competitive candidates will have a track record of writing and shipping quality, well‑documented a ...

FullStack Engineer

AI Factory, an Italian spin-off of AI Venture Builder specialized in developing and deploying AI solutions for enterprises, is looking for a FullStack Engineer with at least 5 years of experience, with full mastery of both frontend and backend, and a strong aptitude for analysis and design of comple ...

Fullstack Engineer

The world's largest asset class, debt, operates with the worst data. Technology has revolutionized equity markets with electronic trading, quant algos and instantaneous news. However, in debt capital markets, the picture is completely different. It still behaves like it’s in the 1980s; trillions of ...

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    Fullstack Engineer Python Apis Data Platforms Jobs in London Job Search Guide, Trends and Insights