Backend Software Engineer Python R&D

Company IconClient Server
Location IconCambridge

Backend Software Engineer / Developer London / WFH to £85kAre you a backend focused technologist who enjoys problem solving and working on complex systems at the cutting edge of technology?You could be progressing y...Read More>>.

Posted: October 4th, 2026
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Backend Software Engineer Python - Technologist

Company IconClient Server
Location IconCambridge

Backend Software Engineer / Developer (Python Rust C++) Cambridge to £80kDo you have strong backend software development experience?You could be joining the world's most advanced cybersecurity technology business t...Read More>>.

Posted: October 2nd, 2026
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Backend Software Engineer C++ Python - Trading

Company IconClient Server
Location IconNewcastle upon Tyne

Backend Software Engineer / Developer (C++ Python) London / WFH to £125kAre you a bright, ambitious technologist with strong C++ and Python skills combined with a good understanding of the trade lifecycle?You could...Read More>>.

Posted: October 3rd, 2026
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Founding Software Engineer Python - Start-up

Company IconClient Server
Location IconLondon

Overview In this Founding Software Engineer role you will shape both technology and product in a fast-growing AI startup. You’ll own the design and development of cloud-native applications, spanning backend, frontend, and deployment on Az...Read More>>.

Posted: September 30th, 2026
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Lead Software Engineer - Python, Databricks, AWS

Company IconJP Morgan Chase
Location IconGlasgow

Overview As Lead Software Engineer in the ERFC/Strategic Data team at JPMorgan Chase, you will design and maintain scalable data processing solutions to turn large financial datasets into actionable insights. You will work with cross‑func...Read More>>.

Posted: September 30th, 2026
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Software Engineer Python SQL - Market Data

Company IconClient Server
Location IconLondon

Overview In this hands-on role, you will design and build components for a modern data platform using Python, while shaping ETL pipelines and distributed systems in a small, collaborative team. You’ll own core data engineering tasks, from...Read More>>.

Posted: September 30th, 2026
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Python Software Tester

Company IconQuant Capital
Location IconLondon

Overview In this role you will design and execute automated tests for real-time trading systems, shaping the quality of high-performance financial software. You will contribute to and evolve our proprietary automated test frameworks, collab...Read More>>.

Posted: September 30th, 2026
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Lead Software Engineer - Go / Python

Company IconJP Morgan Chase
Location IconGlasgow

Overview Lead Software Engineer within Core Foundational Platforms, driving secure, scalable, and trusted technology solutions. You will be a core technical contributor shaping architecture across functions, partnering with cross-functional...Read More>>.

Posted: September 30th, 2026
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Staff Backend Software Engineer - GO & Python

Company IconPhysicsX
Location IconLondon

Overview As a Senior Software Engineer on the AI Workbench platform, you design and build distributed systems for the ML lifecycle, enabling data scientists and engineers to train, deploy, and operate deep physics models. You own end-to-end...Read More>>.

Posted: October 1st, 2026
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Software Engineer III – Python, AIML, AWS, EKS

Company IconJP Morgan Chase
Location IconLondon

Overview In this role you will help design and deploy production-ready ML solutions inside JPMorgan's Applied AIML group. You will work with Data Scientists to build cloud-based frameworks for hosting models and ensure secure, scalable deli...Read More>>.

Posted: October 1st, 2026
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Software Engineer III - Backend Python

Company IconJP Morgan Chase
Location IconBournemouth

Overview In this role, you will contribute to designing, building, and troubleshooting software components for JPMorganChase’s secure, scalable tech products. You work within an agile team to deliver high-quality solutions while expanding...Read More>>.

Posted: October 1st, 2026
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Python/Front Office Software Engineer for Commodities UK

Company IconJP Morgan Chase
Location IconLondon

Overview In this role you will lead and contribute to a high-impact agile team that builds trusted, scalable technology for base metals trading and commodities operations. You’ll collaborate with Trading, Quantitative Research, Sales, and...Read More>>.

Posted: October 1st, 2026
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Senior Lead Software Engineer - Python, Data, Cloud, AIML

Company IconJP Morgan Chase
Location IconLondon

Overview You will drive end-to-end software development in a Cloud-native, data- and AI-enabled environment within Markets Research Technology. As a senior individual contributor and leader, you design scalable solutions, oversee secure pro...Read More>>.

Posted: October 1st, 2026
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Lead Software Engineer – Python or Java with AI

Company IconJP Morgan Chase
Location IconGlasgow

Overview In this hands-on technical lead role, you design and implement core systems for a source code intelligence platform, driving AI-enabled code search and analysis at scale. You will lead a small team, write code daily in JVM and syst...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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Sr Lead Software Engineer - Java / Python

Company IconJP Morgan Chase
Location IconLondon

Overview In this role you lead the design and delivery of trusted, high-performance software for trading systems within Digital Markets Execution Technology. You work as a core technical contributor in an agile, cross-functional team to bui...Read More>>.

Posted: October 1st, 2026
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Backend Software Engineer – Go, Python, AWS

Company IconIntellectual Capital Resources
Location IconCambridgeshire

Overview In this role you will contribute to a global, public-facing web/cloud platform by designing, building and maintaining scalable backend services. You will join cross-functional teams to shape architecture and deliver robust systems...Read More>>.

Posted: October 1st, 2026
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Lead Software Engineer Python API

Company IconClient Server
Location IconLondon

Overview In this Lead Software Engineer role, you’ll stay hands-on while guiding a technical team to build a complex SaaS calculation platform for cyber security insurance. You’ll shape architecture, define requirements, and align engin...Read More>>.

Posted: October 1st, 2026
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Software Engineer II - Python

Company IconJP Morgan Chase
Location IconLondon

Overview As a Software Engineer II in the Markets Technology Trading team, you contribute to building secure, stable, and scalable software components for the firm’s technology products. You work within an agile team to design, develop, a...Read More>>.

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

Company IconJP Morgan Chase
Location IconLondon

Overview As Lead Software Engineer in the AI and Machine Learning Data Platforms team, you drive secure, scalable technology solutions that support the firm’s objectives. You will lead technical work across multiple domains, mentor junior...Read More>>.

Posted: October 1st, 2026
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Sr Lead Software Engineer - C++, Python,

Company IconJP Morgan Chase
Location IconLondon

Overview As a Sr. Lead Software Engineer, you will design and deliver trusted, scalable compute platforms within the Commercial & Investment Bank Compute Runtime Platforms. You’ll work in an agile team to build high-performance, secure so...Read More>>.

Posted: October 1st, 2026
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Software Engineer III – Python / Databricks

Company IconJP Morgan Chase
Location IconGlasgow

Overview In this role you will design and deliver secure, scalable data solutions within Investment Banking Data Products. You’ll build and maintain data pipelines and architectures that support multiple business functions, working with c...Read More>>.

Posted: October 1st, 2026
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Sr Manager of Software Engineering - Python & Databricks

Company IconJP Morgan Chase
Location IconGlasgow

Overview In this Senior Manager role, you guide multiple agile software teams and provide technical coaching across the organization. You will shape AI-assisted engineering practices and SDLC automation to accelerate delivery, quality, and...Read More>>.

Posted: October 1st, 2026
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Senior Software Engineer Python AWS - Front Office

Company IconClient Server
Location IconLondon

Overview In this role you will design and build high-performance trading systems and cloud infrastructure to support front, middle and back-office operations. You will collaborate with stakeholders to translate complex requirements into sca...Read More>>.

Posted: October 1st, 2026
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Backend Software Engineer – Python, AWS

Company IconIntellectual Capital Resources
Location IconGloucestershire

Overview In this role you will design and implement REST APIs and web microservices to support IoT data workflows. You will build data ingestion pipelines, manage cloud infrastructure, and optimise databases to scale the product. You’ll i...Read More>>.

Posted: October 1st, 2026
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Software Engineer III - Python/Test Automation

Company IconJP Morgan Chase
Location IconGlasgow

Overview As a Software Engineer III in JPMorganChase’s Commercial & Investment Bank, you design and deliver scalable, secure technology for a high-performance Payments system. You work within an agile team to build trusted products that s...Read More>>.

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

Company IconARM
Location IconCambridge

Overview In this role, you design and evolve frameworks to exercise, measure, and explain ML workloads at scale across Arm platforms. You’ll build tooling for ML validation and performance analysis, collaborating with ML software, systems...Read More>>.

Posted: October 1st, 2026
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Senior Full Stack Software Engineer – Python, Go, Typescript

Company IconIntellectual Capital Resources
Location IconCambridgeshire

Overview In this role you will contribute to a global web/cloud platform used across engineering communities. You will work within cross-functional teams to design, develop, and maintain scalable web services. You’ll tackle front-end work...Read More>>.

Posted: October 1st, 2026
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Sr Lead Software Engineer — Python/ AWS/Databricks

Company IconJP Morgan Chase
Location IconLondon

Overview In this role you drive secure, scalable software delivery for a Credit data pond within Wholesale credit risk technology. You will provide technical guidance across teams, develop high-quality production code, and advance AI-assist...Read More>>.

Posted: October 1st, 2026
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Lead Software Engineer - Java, Python, Cloud & AI

Company IconJP Morgan Chase
Location IconGlasgow

Overview In this role, you will design and deliver trusted software solutions within JPMorganChase's Cloud Financial Management team. You will work in an agile setting with cross-functional teams to advance secure, scalable technology that...Read More>>.

Posted: October 1st, 2026
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Lead Software Engineering- Java/Python

Company IconJP Morgan Chase
Location IconGlasgow

Overview As Lead Software Engineer, you will drive secure, scalable, open-source driven payments technology within the Commercial & Investment Bank. You’ll be a core technical contributor, shaping architecture and delivering trusted produ...Read More>>.

Posted: October 1st, 2026
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Lead Software Engineer Python API - Fintech

Company IconClient Server
Location IconLondon

Overview As Lead Software Engineer you will steer a small tech team to deliver features, perform refactoring, and contribute to a core banking platform. You will balance architecture work with people management to raise code quality and eng...Read More>>.

Posted: October 1st, 2026
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Senior Lead Software Engineer - Python / Java

Company IconJP Morgan Chase
Location IconLondon

Overview In this Lead Software Engineer role, you’ll drive the development of secure, scalable technology for the Quantitative Execution Strategies platform, collaborating with front office teams to deliver trusted market-leading solution...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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Senior Lead Software Engineer - Python - Asset & WM

Company IconJP Morgan Chase
Location IconLondon

Overview In this role you drive the design and delivery of data and analytics solutions on a federated data platform, enabling AI-ready capabilities and trusted Data Products. You’ll collaborate with cross-functional teams to advance data...Read More>>.

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

Company IconElsevier
Location IconLondon

Overview In this role you will design and deliver secure, production-ready software and cloud infrastructure in AWS to support services where trust and security are critical. You will work within a cross-functional Agile team to shape engin...Read More>>.

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

Company IconNext Frontier Capital
Location IconLondon

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 JPMorganChase within the AI and Machine Learning Data Platforms team, you are an integral pa...Read More>>.

Posted: September 30th, 2026
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Lead AIML Software Engineer (Python)

Company IconJPMorgan Chase & Co.
Location IconLondon

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 JPMorganChase within the AI and Machine Learning Data Platforms team, you are an integral p...Read More>>.

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

Company IconJPMorganChase
Location IconLondon

Job DescriptionWe 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 JPMorganChase within the AI and Machine Learning Data...Read More>>.

Posted: October 1st, 2026
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Senior Lead Software Engineer - Python - Asset & WM

Company IconNext Frontier Capital
Location IconLondon

Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products.As a Senior Lead Software Engineer at JPMorganChase within the Asset Management Core Data & Analytics Eng...Read More>>.

Posted: October 2nd, 2026
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Sr Lead Software Engineer - Java / Python

Company IconNext Frontier Capital
Location IconLondon

Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Lead Software Engineer at JPMorganChase within Digital Markets Execution Technology, Execute, you...Read More>>.

Posted: October 3rd, 2026
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Sr Manager of Software Engineering - Python & Databricks

Company IconJPMorgan Chase & Co.
Location IconGlasgow

This is your chance to change the path of your career and guide multiple teams to success at one of the world's leading financial institutions. As a Senior Manager of Software Engineering at JPMorgan Chase within the Corporate Technology, you will...Read More>>.

Posted: October 3rd, 2026
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Software Engineer Python GenAI LLM - Finance

Company IconClient Server Limited
Location IconLondon

Software Engineer Python GenAI LLM - FinanceLondon, Greater London | £140k - £180k per yearSoftware Engineer / Developer (Python GenAI LLM RAG) London 12 month FTC to £180kAre you a Senior Software Engineer with...Read More>>.

Posted: October 3rd, 2026
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Lead Software Engineer - Python/Java, AI/ML - Equity Derivatives

Company IconJPMorgan Chase & Co.
Location IconLondon

Join us and elevate your software engineering career. You’ll design market-leading technology products that drive innovation in financial services. At JPMorganChase, you’ll collaborate with talented teams, grow your skills, and make a real imp...Read More>>.

Posted: October 3rd, 2026
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Remote Python Developer - UK (Remote)

Company IconAnyone AI
Location IconHorley

Anyone AI is recruiting skilled Python Developers to work on a project with a leading AI lab.Not sure what skills you will need for this opportunity Simply read the full description below to get a complete picture of candidate requirements....Read More>>.

Posted: October 4th, 2026
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Senior Software Engineer (Python / C++ | Robotics & AI)

Company IconOcho
Location IconBelfast

Senior Software Engineer (Python / C++ | Robotics & AI)Senior-level role on a cross-functional robotics and autonomous systems engineering teamCore stack: Python and C++, spanning embedded/edge through to AI/ML and simulati...Read More>>.

Posted: September 22nd, 2026
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Senior Software Engineer -TypeScript /Python /Java

Company IconMCS Group
Location IconBelfast

Senior Software EngineerBelfast (hybrid) TypeScript, Java or Python | Salary flexible depending on experienceEnjoy solving complex problems, picking up new technologies and taking ownership...Read More>>.

Posted: October 2nd, 2026
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Software Test Engineer - Hybrid Python Automation

Company IconGranite Recruitment and Consulting Limited
Location IconBath

Granite Recruitment and Consulting Limited in Bath is seeking a Software Test Engineer to write automated tests for UI testing, web services and performance testing. The role involves building automation in Python, with some prior development expe...Read More>>.

Posted: October 4th, 2026
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