Full Stack Python Developer

Company IconQuant Capital
Location IconLondon

Overview In this role you will design and build features for an analytics platform, influence product direction, and develop internal tools to scale for large,Global customers. You will collaborate with cross-functional teams and contribute...Read More>>.

Posted: September 30th, 2026
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Senior Python Engineer (Full Stack)

Company IconLendable
Location IconLondon

Overview In this role, you will join Lendable’s Central Operations to design and ship features that empower ops teams across Cards, Loans and Motor. You will build internal web apps and automations, partnering with Product, Data Science a...Read More>>.

Posted: September 30th, 2026
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Junior Python Django Developer

Company IconQuant Capital
Location IconLondon

Overview In this role you join a fast-growing, innovative startup building an enterprise-grade Python-based platform for social data. You’ll work closely with founders and designers to shape features and architecture for a green-field pro...Read More>>.

Posted: September 30th, 2026
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Senior Python Software Engineer

Company IconWorldQuant
Location IconLondon

Overview In this role you will help build and scale WorldQuant’s quantitative research and portfolio platform. You will work on high-performance, distributed software that powers large-scale research operations and live trading workflows....Read More>>.

Posted: October 1st, 2026
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Java Ruby Python Developer

Company IconQuant Capital
Location IconLondon

Overview In this role you will contribute to a high-performance, financial data platform by writing core software across the stack. You’ll work in a flat, fast-moving environment where code quality and learning pace matter. You’ll help...Read More>>.

Posted: October 1st, 2026
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Senior Software Engineer (Python)

Company IconOctopus Energy
Location Icon

Overview In this role you will design and build scalable backend systems and APIs to power Octopus Electric Vehicles’ EV leasing platform. You will work in cross-functional teams to integrate services, evolve data models, and ensure maint...Read More>>.

Posted: October 1st, 2026
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Sr. Software Engineer (Python)

Company IconProofpoint
Location IconBelfast

Overview As a Senior Software Engineer on Proofpoint’s XFI team, you will help scale and integrate Post Delivery Protection & Response with major email platforms like Microsoft and Google. You’ll design reliable distributed systems, imp...Read More>>.

Posted: October 1st, 2026
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Python Full Stack Developer – React

Company IconQuant Capital
Location IconLondon

Overview In this role you will develop financial analytics tools within a leading Quant client’s ecosystem. You’ll bridge back-end Python services with front-end components to support risk management and market data analytics. You work...Read More>>.

Posted: October 1st, 2026
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Python Software Engineer - Intraday Trading

Company IconMillennium Management
Location IconLondon

Overview In this role you will develop and optimize real-time analytics and market data solutions for Millennium’s intraday trading and portfolio management platforms. You’ll collaborate with R&D and front-office teams to deliver scalab...Read More>>.

Posted: October 1st, 2026
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Lead Infrastructure Engineer (Python)

Company IconMorgan Stanley
Location IconLondon

Overview As Lead Cloud and Infrastructure Engineer you design, build, and sustain robust, scalable infrastructure automation for our algorithmic trading platform. You’ll lead a small team, partner with cross-functional groups, and drive S...Read More>>.

Posted: October 1st, 2026
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Python Developer – Quant Hedgefund

Company IconQuant Capital
Location IconLondon

Overview In this front-office Python Developer role, you will help design and maintain a new Python platform for research, back-testing, and live trading of quantitative strategies within a top-tier hedge fund. You’ll collaborate with the...Read More>>.

Posted: October 1st, 2026
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Python Engineer Tech Driven Fund

Company IconQuant Capital
Location IconLondon

Overview In this Python Engineer role at a prominent prop trading client, you build and optimize automated trading tools that analyze large data sets to inform strategy. You collaborate with research teams to design and refine trading algor...Read More>>.

Posted: October 1st, 2026
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Quant Developer – Python, Signal implementation

Company IconQuant Capital
Location IconLondon

Overview In this role you will research and implement fully automated quantitative trading strategies using data-driven methods. You’ll work within the MFT team to build and validate strategies that may target futures, derivatives, or cur...Read More>>.

Posted: October 1st, 2026
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Python C# Developer Quant Trading

Company IconQuant Capital
Location IconLondon

Overview In this role you will own the IT architecture and data platform for a global, multi-asset quantitative team at a high-profile hedge fund. You will shape the platform by integrating custom-built and third-party applications to meet...Read More>>.

Posted: October 1st, 2026
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Backend Java Developer (Python)

Company IconMethods Consulting
Location IconLondon

Overview In this Back End Developer role, you will diagnose and fix live production issues in Java-based systems, ensuring stable, well-tested changes. You’ll work with 2nd Line Operations, QA, and feature teams to triage incidents and de...Read More>>.

Posted: October 1st, 2026
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Senior Software Engineer (Backend, Python)

Company IconOctopus Energy
Location IconLondon

Overview In this role, you’ll help strengthen the core backend powering Octopus Electroverse’s global EV charging platform. You’ll work with a small, high-energy team to implement pricing, discounts, and subscription features, while e...Read More>>.

Posted: October 1st, 2026
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Full Stack Python Developer

Company IconMFK Recruitment
Location IconLondon

Overview In this role you will build and integrate modern full-stack applications that expose advanced computer vision and AI capabilities to customers. You’ll work with cross-functional teams to shape product architecture and ensure prod...Read More>>.

Posted: October 1st, 2026
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Java Python Engineer – Investment Management

Company IconQuant Capital
Location IconLondon

Overview In this role you will help build a new trading architecture for model execution at a fast-growing hedge fund. You will design, develop, test, and deploy cloud-based microservices (AWS) and work closely with the engineering team to...Read More>>.

Posted: October 1st, 2026
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Senior Python Developer - Microservices

Company IconLyst
Location IconLondon

Overview In this role you will build a scalable Python-based checkout architecture that enables multi-retailer ordering via a single API. You will join a small, lean team to deliver the integrated payment and checkout system and support par...Read More>>.

Posted: October 1st, 2026
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Python Engineer – Get Trading Experience

Company IconQuant Capital
Location IconLondon

Overview In this role you will build and maintain Python-based trading tools for a leading high-frequency trading desk. You will work directly with two traders to develop automated trading systems, analytics, and tools for portfolio constru...Read More>>.

Posted: October 1st, 2026
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Python Developer Blockchain / IOT

Company IconQuant Capital
Location IconLondon

Overview In this role you will join a blockchain-focused development team to build a new P2P trading system for energy use. You’ll simulate P2P networks and implement blockchain solutions on custom IoT hardware, while driving continuous i...Read More>>.

Posted: October 1st, 2026
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Junior Python Engineer – Investment Management

Company IconQuant Capital
Location IconLondon

Overview In this role you will contribute to building a scalable trading architecture and cloud-native microservices for an active systematic trading hedge fund. You will collaborate closely with a high-caliber engineering team in a fast-pa...Read More>>.

Posted: October 1st, 2026
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Python Data Engineer – Investment Management

Company IconQuant Capital
Location IconLondon

Overview In this role you will help build and operate a scalable Python-driven data platform for a prominent investment firm. You will work within a cross-functional team on a large distributed system that ingests real-time data for portfol...Read More>>.

Posted: October 1st, 2026
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Senior FullStack Engineer - TypeScript - Python

Company IconExperian
Location IconLondon

Overview As a Fullstack Engineer at Experian, you will help redefine employment and income verification by delivering high-quality features in a product-driven, TDD-first environment. You’ll work across frontend and backend, collaborating...Read More>>.

Posted: October 1st, 2026
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Python Data Engineer – Hedge Fund

Company IconQuant Capital
Location IconLondon

Overview In this role you will build and maintain data pipelines for a fast-paced hedge fund, aligning internal and external data sources. You will work with cross-functional teams to ensure robust data workflows, monitoring end-to-end life...Read More>>.

Posted: October 1st, 2026
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Senior Python Engineer - Automation

Company IconAristocrat Technologies
Location IconLondon

Overview Senior Engineer – Python Automation at Aristocrat drives enterprise automation initiatives within the Reporting Center of Excellence. You architect and deliver end-to-end automation solutions, maintain hundreds of processes, and...Read More>>.

Posted: October 1st, 2026
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Senior Python Software Engineer

Company IconCitadel Securities
Location IconLondon

Overview In this role, you will craft next-generation software solutions that support multiple business areas across the firm. You’ll collaborate with business leaders to align priorities and deliver tailored technology, tackle complex pr...Read More>>.

Posted: October 1st, 2026
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Python Developer Quant Trading

Company IconQuant Capital
Location IconLondon

Overview As a Python C# Developer at Quant Capital, you will own the IT architecture and data platform for a global, multi-asset quantitative investment team. You will build a robust mix of custom and third-party applications to support fas...Read More>>.

Posted: October 1st, 2026
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Junior / Grad Python Developer

Company IconQuant Capital
Location IconLondon

Overview As a Junior/Graduate Python Developer, you will contribute to the frontend GUI and data displays for the Quant Team while supporting backend work. You’ll work with Python, Django, and data tools (Pandas, NumPy) in a fast-paced, a...Read More>>.

Posted: October 1st, 2026
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Principal Python Engineer - Tech for good

Company IconLinuxRecruit
Location IconLondon

Overview As Principal Engineer, you will ensure robust technical delivery of products and services, shaping plans with stakeholders and applying your expertise to drive excellence. You will act as the senior technical representative for you...Read More>>.

Posted: October 1st, 2026
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Technical Consultant Python AWS SaaS

Company IconClient Server
Location IconManchester

Overview In this senior, hands-on role you will own end-to-end client implementations, shaping cloud-based solutions with Python and AWS. You’ll work closely with customers to understand requirements, influence design, and deliver scalabl...Read More>>.

Posted: October 1st, 2026
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Senior Software Engineer, Python/Typescript

Company IconRoku
Location IconCambridge

Overview As a Senior Software Engineer on Roku’s Embedded Software Automation and Tools team, you will build full-stack applications and services to enable end-to-end automation and test infrastructure. You’ll integrate AI capabilities,...Read More>>.

Posted: October 1st, 2026
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Software Architect - Python & .NET.

Company IconComputer Futures
Location IconBirmingham

Overview As a Software Architect, you will lead the design and delivery of integrated software platforms for automation clients. You stay close to implementation, guiding cross-functional teams to create scalable, secure systems that connec...Read More>>.

Posted: October 1st, 2026
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Quantitative Developer Python C++ - MFT

Company IconClient Server
Location IconLondon

Overview In this role you will help build a Greenfield MFT platform for equities trading, designing and implementing execution algorithms using Python and C++. You will set technical direction, drive coding standards, and own technical proj...Read More>>.

Posted: October 1st, 2026
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Python Risk Developer - Vice President

Company IconCitigroup
Location IconLondon

Overview In this role you will design and develop high-performance Python micro-services for Citi’s front-office commodities risk platform. You will work on a highly distributed system that processes large data volumes, using RabbitMQ for...Read More>>.

Posted: October 1st, 2026
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Tech Lead (Python, JavaScript)

Company IconRedCat Digital
Location IconLondon

Overview In this role you lead a team of data‑oriented technical consultants to build complex, data-driven solutions. You will split time between hands‑on development (about 80%) and shaping technical strategy as the team scales. You’...Read More>>.

Posted: October 1st, 2026
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Principal Python Software Engineer

Company IconCboe Exchange
Location IconLondon

Overview In this role you will help build and extend data pipelines and event streaming for the largest equities exchange in Europe, plus trade reporting platforms. You’ll lead cross-system projects and mentor developers while maintaining...Read More>>.

Posted: October 1st, 2026
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Senior Engineer - Python & Containerization (VP)

Company IconCitigroup
Location IconBelfast

Overview In this role you will engineer and enhance container security capabilities across Citi’s platforms to secure internal environments and support developers. You will craft scalable security solutions, collaborating with platform an...Read More>>.

Posted: October 2nd, 2026
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Backend Software Engineer Python R&D

Company IconClient Server
Location IconLondon

Overview In this Backend Software Engineer role, you will help build a new Greenfield product to counter AI-based security threats. You’ll join the R&D team and contribute across rapid prototyping and structured development, driving conti...Read More>>.

Posted: October 5th, 2026
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Python Software Engineer Agentic AI

Company IconClient Server
Location IconLondon

Overview In this role you will design and deliver backend solutions and AI-enabled workflows that empower intelligent agents. You’ll work with a cross-functional team to implement robust APIs and prompt-driven systems leveraging LLMs. You...Read More>>.

Posted: October 5th, 2026
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Python Software Engineer Cyber Security

Company IconClient Server
Location IconLondon

Overview In this Python Software Engineer role, you will help build a Greenfield AI cybersecurity product within the R&D team. You’ll mainly develop backend services in Python while evaluating Rust and other emerging technologies to solve...Read More>>.

Posted: October 5th, 2026
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Software Engineer Python SQL - Market Data

Company IconClient Server
Location IconLondon

Overview In this role you will design and build components for a modern data platform using Python, with ownership across data engineering, ETL, and distributed systems. You’ll improve infrastructure, CI/CD, and observability while mainta...Read More>>.

Posted: October 10th, 2026
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Python Developer / Team Lead - FinTech

Company IconClient Server
Location IconLondon

Overview In this role you lead a small, skilled tech team to deliver features and perform refactoring for a core banking platform within a well-funded FinTech. You work hands-on about half the time, shaping architecture and mentoring peers...Read More>>.

Posted: October 10th, 2026
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Senior Full Stack Developer – Python & Cloud

Company IconIntellectual Capital Resources
Location IconCambridgeshire

Overview In this role you will help design and build a scalable cloud services platform for customers. You will work closely with a small, experienced team in a VC-backed startup environment, tackling end-to-end development from product inc...Read More>>.

Posted: October 10th, 2026
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Software Engineer Python Django SQL - FinTech

Company IconClient Server
Location IconLondon

Overview In this role you will develop internal platforms using Python, Django and SQL to support business workflows. You will collaborate with stakeholders across the business to translate requirements into scalable tech solutions. The pos...Read More>>.

Posted: October 10th, 2026
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