Senior Software Engineer Python

Company IconMarkIT Placements
Location IconDidcot

My client is looking for a Senior Software Engineer Backend LeaningContract may also be considered.What You Will Be DoingYou'll sit at the core of their product, building the sys...Read More>>.

Posted: September 9th, 2026
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Python Senior Software Engineer Manchester

Company IconHackajob Ltd
Location IconManchester

hackajob is partnering directly with BAE Systems Digital Intelligence to hire for this role.Location(s):UK, Europe & Africa : UK : Manchester BAE Systems Digital Intelligence is home to 4,500 digital, cyber an...Read More>>.

Posted: September 4th, 2026
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Senior Software Engineer Python

Company IconClient Server
Location IconCambridge

Senior Software Engineer / Developer (Python) Cambridge to £80kDo you have strong backend Python software development experience?You could be joining the world's most advanced cybersecurity technology business that...Read More>>.

Posted: September 22nd, 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: September 14th, 2026
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Software Engineer III- Python & AI

Company IconJP Morgan Chase
Location IconGlasgow

Overview In this role, you design and implement robust Python-based financial control systems supporting IRIS, a critical revaluation infrastructure. You collaborate with asset class and platform teams to build scalable, secure solutions th...Read More>>.

Posted: September 14th, 2026
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Lead Software Engineer - Cloud/Java-Python/AI-ML

Company IconJP Morgan Chase
Location IconBournemouth

Overview In this role you design and deliver cloud-based applications and services, aligning solutions with business goals. You work with architects and engineers to optimize performance, scalability, and security, while driving operational...Read More>>.

Posted: September 14th, 2026
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Python Software Developer - FinTech

Company IconElliot Marsh
Location IconBangor

Overview In this role you will help build and enhance financial payment systems, delivering robust software within budget and timescales. You will work within a cross-functional team to uphold quality and security standards while exploring...Read More>>.

Posted: September 14th, 2026
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Software Engineer III - Java/Python/AI-ML

Company IconJP Morgan Chase
Location IconBournemouth

Overview As a Software Engineer III at JPMorgan Chase within Global Finance Technology, you are a seasoned member of an agile team delivering trusted, scalable technology in a secure environment. You design and implement solutions across mu...Read More>>.

Posted: September 14th, 2026
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Software Engineer III - Python

Company IconJP Morgan Chase
Location IconGlasgow

Overview As a Software Engineer III in JPMorgan Chase’s AI/ML Technology, you will build and ship production software with AI-enabled capabilities, across the full software lifecycle. You will implement backend services in Python, design...Read More>>.

Posted: September 14th, 2026
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Python Software Engineer

Company IconCboe Exchange
Location IconLondon

Overview In this role you will help build and expand the data pipeline and event streaming capabilities for Cboe Europe’s trading platforms. You will work within a small, skilled team to deliver reliable Python systems that scale with the...Read More>>.

Posted: September 14th, 2026
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Python/AIML Developer - Software Engineer III

Company IconJP Morgan Chase
Location IconGlasgow

Overview As a Software Engineer III, you help design, build, and secure scalable technology products within Corporate Technology. You’ll work on production Python systems, ML/AI-enabled features, and data-driven improvements across multip...Read More>>.

Posted: September 14th, 2026
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Python Software Engineer Cyber Security

Company IconClient Server
Location IconLondon

Overview In this Python-focused role, you will shape a new Greenfield product within a leading cybersecurity company that leverages AI to defend against evolving threats. You’ll integrate backend Python work with Rust and other modern tec...Read More>>.

Posted: September 14th, 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: September 14th, 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: September 14th, 2026
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Lead Software Engineer - Python / AI

Company IconJP Morgan Chase
Location IconLondon

Overview In this Lead Software Engineer role, you will build and maintain core trading engines, services, and APIs, collaborating with traders, quants, and developers to deliver high-impact solutions. You will contribute to real-time pricin...Read More>>.

Posted: September 14th, 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: September 14th, 2026
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Lead Software Engineer - Python

Company IconJP Morgan Chase
Location IconGlasgow

Overview In this Lead Software Engineer role, you will build and evolve developer-facing tools and platforms to boost productivity for thousands of engineers. You’ll shape the developer experience from code to production, partnering acros...Read More>>.

Posted: September 14th, 2026
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Python Lead Software Engineer - Rates Live Risk & P&L

Company IconJP Morgan Chase
Location IconLondon

Overview In this role, you will build and operate low-latency Python services powering live Rates risk and P&L, collaborating with traders and risk managers. You’ll own end-to-end production services, from releases to incident response, a...Read More>>.

Posted: September 14th, 2026
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SQL/Python Developer - Software Engineer III

Company IconJP Morgan Chase
Location IconGlasgow

Overview In this role you will drive the design, development and security of trusted market-leading technologies. You work within Corporate Technology as part of an agile team to deliver scalable solutions that support the firm’s objectiv...Read More>>.

Posted: September 14th, 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: September 14th, 2026
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Software Engineer III - Cloud/Java-Python/AI-ML

Company IconJP Morgan Chase
Location IconBournemouth

Overview In this role you design and deliver cloud-based applications within the Corporate Investment Bank Markets Technology team, contributing as a core technical member of an agile group. You work to build secure, scalable technology pro...Read More>>.

Posted: September 14th, 2026
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Python Software Engineer III

Company IconJP Morgan Chase
Location IconLondon

Overview As a Software Engineer III in the FX Options team at JPMorganChase, you design and deliver trusted technology products in a secure, scalable way within an agile environment. You work on critical solutions across multiple domains to...Read More>>.

Posted: September 14th, 2026
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Python Software Engineer – Quant Trading Fixed Income

Company IconQuant Capital
Location IconLondon

Overview In this role you will join a small, high-impact team building models and trading systems for a fixed income quant strategy at a leading trading firm. You contribute to the development of models, tooling, and infrastructure that dri...Read More>>.

Posted: September 14th, 2026
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Python Full Stack Software Engineer II

Company IconJP Morgan Chase
Location IconLondon

Overview In this role, you will build data pipelines and tools to support MRGR analytics, enabling reliable downstream reporting and automation. You will integrate ongoing performance monitoring for models within business applications using...Read More>>.

Posted: September 14th, 2026
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Senior Software Engineer - Python

Company IconExperian
Location IconLondon

Overview As a Backend Senior Software Engineer at Experian, you design, build, and operate production-grade backend services that power customer and partner capabilities. You’ll own the full SDLC, collaborating with engineers, product, an...Read More>>.

Posted: September 14th, 2026
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Backend Software Engineer Python LLM - Finance

Company IconClient Server
Location IconLondon

Overview In this Backend Software Engineer role you will design and build autonomous AI systems that incorporate multi-modal LLMs, enabling agentic workflows and data-driven interactions. You’ll optimise and deploy large language and mult...Read More>>.

Posted: September 14th, 2026
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Lead Software Engineer - Java / Python, AI & ML

Company IconJP Morgan Chase
Location IconGlasgow

Overview As Lead Software Engineer at JPMorganChase you will drive AI-powered, cloud-native systems from discovery to production, surrounding multi-cloud environments with robust APIs and secure, scalable architectures. You’ll own end-to-...Read More>>.

Posted: September 14th, 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: September 14th, 2026
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Software Engineer - Python

Company IconHudson River Trading
Location IconLondon

Overview In this role you will design, develop, and maintain scalable software for a leading quantitative trading firm. You will work across distributed systems in a fast-paced environment, collaborating with cross-functional teams to meet...Read More>>.

Posted: September 14th, 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: September 14th, 2026
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Senior Software Engineer C# Python AI

Company IconClient Server
Location IconLondon

Overview In this Senior Software Engineer role you will shape backend systems and cloud-native services for a global reinsurance platform. You’ll work in a small, agile tech team with strong influence on architecture and engineering pract...Read More>>.

Posted: September 14th, 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: September 14th, 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: September 14th, 2026
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Python Lead Software Engineer

Company IconJP Morgan Chase
Location IconLondon

Overview As Lead Software Engineer at JPMorgan Chase, you will drive secure, scalable software solutions within the IP - Network Services group. You’ll contribute technically across multiple areas, leading design, development, and trouble...Read More>>.

Posted: September 14th, 2026
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Python Lead Software Engineer – Rates Technology

Company IconJP Morgan Chase
Location IconLondon

Overview As a Lead Software Engineer in the Rates Nonlinear Marking and Pricing team, you lead design and delivery of real-time marking, pricing, and market data platforms that power the Rates Nonlinear franchise. You partner with front off...Read More>>.

Posted: September 14th, 2026
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Lead Software Engineer - Python / AI - Athena Core - Vice President

Company IconJP Morgan Chase
Location IconLondon

Overview As Lead Software Engineer on the Athena Core DevTools team, you design and build systems that accelerate engineers across the organization. You’ll shape the engineering experience from code creation to production release, partner...Read More>>.

Posted: September 14th, 2026
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AI Engineer Python LLM

Company IconClient Server
Location IconLondon

Overview As an AI Engineer, you will build backend services and intelligent agents leveraging LLMs to deliver practical, commercially valuable capabilities. You’ll collaborate with a Technical Architect to design robust, scalable workflow...Read More>>.

Posted: September 14th, 2026
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Java, Python Lead Software Engineering - Risk Data Platform & Strategy

Company IconJP Morgan Chase
Location IconLondon

Overview As a Lead Software Engineer in the Data Platform & Strategy team within Corporate Risk Technology, you design and build scalable, secure data engineering solutions for enterprise risk. You will collaborate with agile teams to shape...Read More>>.

Posted: September 14th, 2026
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Senior Software Engineer – Python

Company IconMedtronic
Location IconLondon

Overview In this role you will help design, build and maintain a SaaS platform used by ML engineers and data scientists to create scalable medical AI products. You will collaborate with data, platform and stakeholder teams to deliver produc...Read More>>.

Posted: September 16th, 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: September 16th, 2026
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Senior Software Engineer (Python)

Company IconOctopus Energy
Location IconLondon

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: September 19th, 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: September 22nd, 2026
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Backend Software Engineer – Python

Company IconIntellectual Capital Resources
Location IconLondon

Overview In this Backend Engineer role, you will design and scale backend architectures for large-scale, real-time data systems that connect devices with cloud and data infrastructure. You’ll build robust APIs, optimize databases, and boo...Read More>>.

Posted: September 22nd, 2026
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Backend Software Engineer - Python

Company IconMercor
Location IconLondon

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst...Read More>>.

Posted: August 28th, 2026
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Software Engineer - Python/Go

Company IconOcho
Location IconBelfast

Backend / Cloud Engineer?? Remote - Northern Ireland ?? Salary negotiable DOE ?? Full-time, PermanentAt a GlanceMid-level backend/cloud role at a fast-moving US FinTech scale-up...Read More>>.

Posted: September 3rd, 2026
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Software Engineer - Python, Django, REST

Company IconDenu Recruit
Location IconLondon

Software Engineer - Python, Django, RESTAre you passionate about sustainability and innovation? Join a cutting-edge London-based startup that’s revolutionizing how businesses achieve net zero. With £10 million...Read More>>.

Posted: June 4th, 2026
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