Python Software Engineer Jobs In Watford Page 872 by Location

Python Web Engineer Fintech

Company IconQuant Capital
Location IconLondon

Overview In this role you will build tools and websites to handle millions of requests, delivering high-quality market data to a global audience. You will join a fast-paced, agile environment that values open collaboration and tech-driven d...Read More>>.

Posted: September 30th, 2026
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Python Analytics Engineer

Company IconLendable
Location IconLondon

Overview In this role, you will contribute to Lendable’s data platform by building reliable data workflows and models. You’ll work at the intersection of analytics engineering and data engineering, transforming data with SQL, dbt, and P...Read More>>.

Posted: October 1st, 2026
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Lead Software Engineer – AIML Data Platform (Data, Python, Containers/Kubernetes)

Company IconJP Morgan Chase
Location IconLondon

Overview As Lead Software Engineer in AMDP, you drive design, development, and secure production-grade software across AI-enabled data platforms. You will collaborate with product managers and data strategists to advance AI for Data initiat...Read More>>.

Posted: October 1st, 2026
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Python Trading Engineer

Company IconQuant Capital
Location IconLondon

Overview In this role you’ll join a Trading Technology team at a premier global HFT firm to build and optimize trading systems and algos. You will deliver rapid application development and robust Python-based tooling to support market act...Read More>>.

Posted: October 1st, 2026
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Senior Python/Rust Engineer

Company IconOcho
Location IconBelfast

OverviewOur client is a global cybersecurity company delivering quantum-safe encryption to protect enterprises, governments, and critical national infrastructure. Their advanced cryptography ensures resilience against current and emerg...Read More>>.

Posted: August 10th, 2026
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Jobshare - Sr Lead Software Engineer - Site Reliability Engineer, Python & Infrastructure management - Part time/Jobshare

Company IconJPMorgan Chase & Co.
Location IconLondon

This is an exciting opportunity where we're exploring local Sr Lead Security Engineering talent who need flexibility, with the potential to present qualified candidates to managers for part-time or job-share roles. Part-time hours where two peo...Read More>>.

Posted: August 17th, 2026
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Senior Software Engineer, Power Systems & HPC (C++, Python)

Company IconTNEI Services Ltd
Location IconManchester

TNEI Services Ltd is looking for a Senior Software Engineer in Manchester to develop high-performance simulation tools using C++. Candidates should have a strong background in C++ programming, and be familiar with Python and power systems concepts...Read More>>.

Posted: August 17th, 2026
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Lead Python Engineer - Real-Time Market Data & Pricing

Company IconJPMorgan Chase & Co.
Location IconLondon

JPMorganChase within the Commercial & Investment Bank (CIB) – Markets Technology (Rates Nonlinear) is seeking a Lead Software Engineer to help build and deliver trusted market-leading tech in a secure, scalable way. You will lead real-time marki...Read More>>.

Posted: September 14th, 2026
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Lead Python Engineer — AI‑Driven, Secure, Scalable Systems

Company IconJ.P. MORGAN
Location IconLondon

JPMorgan Chase in London seeks a Lead Software Engineer to join the IP - Network Services team, driving secure, scalable technology across multiple business functions. You will contribute as a core technical contributor, delivering trusted, market...Read More>>.

Posted: September 14th, 2026
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Lead Python Engineer – Real-Time Market Tech (EMEA)

Company IconJPMorganChase
Location IconLondon

JPMorganChase is seeking a Lead Software Engineer in the Markets Technology division (Rates Nonlinear). You will lead design and delivery of real-time marking, pricing, and market data platforms used by the Rates Nonlinear trading desk in collabor...Read More>>.

Posted: September 14th, 2026
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Senior Python Engineer - Rates Live Risk & P&L (Low-Latency)

Company IconNext Frontier Capital
Location IconLondon

JPMorganChase seeks a Senior Software Engineer to build and operate low-latency Python services for Rates Live Risk & P&L. You will own delivery end-to-end, including production support, and partner closely with front-office stakeholders to ship c...Read More>>.

Posted: September 14th, 2026
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Senior Python Engineer: Tech Lead for Scalable, Secure Platforms

Company IconFundment Limited
Location IconLondon

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 collaborate...Read More>>.

Posted: September 14th, 2026
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Remote AWS Cloud & Python Engineer End-to-End Data Solutions

Company Iconhireful
Location IconSt Loye's

hireful is seeking an AWS Cloud & Python Engineer to bridge application development and cloud infrastructure in a growing UK-based team. You will own the full lifecycle of data transformation apps, from writing clean Python to designing scalable A...Read More>>.

Posted: September 14th, 2026
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Senior Python Engineer (Remote UK) – Django, GraphQL & AWS

Company IconFeedinkoo
Location Icon

Feedinkoo is seeking a mid to senior Python engineer to develop innovative web applications remotely within the UK. Ideal candidates will possess experience in building scalable solutions using Python and Django, as well as a solid understanding o...Read More>>.

Posted: September 14th, 2026
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Python Data Engineer

Company IconApexon
Location IconBirmingham

Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have been meeting customers wherever they are in the digital lifecycle and helping them...Read More>>.

Posted: September 14th, 2026
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AWS Cloud & Python Engineer: Data Pipelines (Remote/Hybrid)

Company IconLightfoot
Location Icon

Lightfoot is seeking an AWS Cloud & Python Engineer to own end-to-end data transformation applications, writing clean Python and shaping AWS infrastructure.You will build, modernise and deploy scalable data processing solutions using Terraf...Read More>>.

Posted: September 14th, 2026
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Mid-Level Python Engineer - Free Training & Growth (London)

Company IconCodeFirstGirls
Location IconLondon

Code First Girls, partnered with Counter Terrorist Police, is seeking a Mid-Level Python Engineer. You’ll design, develop and improve software using Python, collaborating with product managers, designers and engineers to deliver scalable solutio...Read More>>.

Posted: September 14th, 2026
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Front-Office Python Engineer: Trading Tools & APIs (Hybrid)

Company IconEDF Trading
Location IconLondon

EDF Trading, located in Greater London, is seeking a skilled IT professional to enhance the tools of the Optimisation and Trading Analytical Team. The role emphasizes collaboration with traders to implement features and support post-deployment cha...Read More>>.

Posted: September 14th, 2026
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Data Scientist & Python Engineer for Production Analytics (6-mo)

Company IconJas Gujral
Location IconLondon

Jas Gujral in London is seeking a Data Scientist and Python Software Developer to join a product team focused on building well-engineered analytics-driven products for retailers and suppliers.You will translate statistical methods into prod...Read More>>.

Posted: September 15th, 2026
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Senior Python Engineer: Infra Automation & AI Platform (Hybrid)

Company IconSpectrum IT Recruitment
Location IconSouthampton

Spectrum IT Recruitment is seeking a Senior Python Engineer to join our global AI and SaaS client in a hybrid role near Hedge End, Southampton. You will build automation tooling in Python, and implement Terraform-based IaC across complex environme...Read More>>.

Posted: September 16th, 2026
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Lead Software Engineer – AIML Data Platform (Data, Python, Containers/Kubernetes)

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 AMDP (AIML Data Platforms), you are an integral part of an agile tea...Read More>>.

Posted: September 21st, 2026
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SC-Cleared Python Engineer — Secure CI/CD & Remote

Company IconECS Resource Group Ltd
Location IconLondon

ECS Resource Group Ltd is seeking a Software Engineer with SC clearance for an initial 5-month contract. The role is fully remote in the UK, paying £400-£575 per day Inside IR35.You will focus on Python development, packaging, CI/CD and a...Read More>>.

Posted: September 21st, 2026
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Python Engineer | High-Impact Start-Up (Hybrid London)

Company IconOho Group
Location IconLondon

Oho Group in London is seeking a Python Engineer to build software that matters. You’ll join a fast-growing start-up team working on a product solving real-world problems, with a visible opportunity to contribute as the company grows.You...Read More>>.

Posted: September 21st, 2026
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Front Office Python Engineer — Trading Automation (London On-site)

Company IconRJC Group
Location IconSlough

RJC Group in London is seeking a skilled Python Engineer to join the Front Office Automation team, delivering scalable automation solutions and end-to-end workflows that streamline trading processes.You will work directly with the business,...Read More>>.

Posted: September 21st, 2026
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Founding Python Engineer - Early Stage Start-Up - London

Company IconOho Group Ltd
Location IconLondon

OverviewFounding Python Engineer required for an early stage start-up building the future of AI-powered data processing. Joined by a founding team from leading industry names and backed by prestigious VC and angel investors, this is a...Read More>>.

Posted: September 21st, 2026
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Senior Lead Python Engineer — AI-Ready Data Platform

Company IconJPMorgan Chase & Co.
Location IconLondon

JPMorganChase, within the Asset Management Core Data & Analytics Engineering organization, seeks a Senior Lead Software Engineer to design and deliver data and analytics solutions on a federated data platform. Lead development of scalable data pip...Read More>>.

Posted: September 21st, 2026
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Senior Python Engineer — Linux & Docker, Real-Time Video

Company IconCorriculo Ltd
Location IconLondon

Corriculo Ltd is seeking a Senior Software Engineer with strong Python development and Linux/Docker expertise. The role offers an initial 3-month contract at up to £600 per day, with the option of fully remote or hybrid work from offices in South...Read More>>.

Posted: September 21st, 2026
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Senior Python Engineer – AI-Powered Backend & REST APIs

Company IconXelix
Location IconLondon

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.W...Read More>>.

Posted: September 21st, 2026
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Python / React Engineer

Company IconOliver Bernard
Location IconLondon

This is a broad, high-impact engineering role for someone who enjoys working across the full stack, taking ownership of complex product development and helping shape engineering practices across a team. The opportunity Yo...Read More>>.

Posted: September 22nd, 2026
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Production Python Engineer — Build Secure, Real‑World Services

Company IconExperis UK
Location IconReading

Experis UK is seeking a Python Developer to build production-grade software for secure, mission-critical systems used across Security programmes. This is real production software, not prototypes, built with care and discipline.You will deve...Read More>>.

Posted: September 24th, 2026
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Tech Lead: Software Development (C++, C#, Python) – Hybrid

Company IconSYSTRA UK & Ireland
Location IconManchester

SYSTRA UK & Ireland in Manchester is seeking a Principal Consultant (Software Development) to design, build and maintain high‑performance software systems. You will work with a cross‑functional team to deliver Paramics Discovery using C++, C#,...Read More>>.

Posted: September 25th, 2026
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Python Engineer: AI-Driven Asset Tech (Hybrid, 3 days in-office)

Company IconSaragossa
Location IconLondon

Saragossa in London is building a new AI-driven product from the ground up and seeks a Python-focused engineer to join early and influence the direction. You will write Python, design and maintain ETL pipelines, work with SQL, and develop APIs usi...Read More>>.

Posted: September 25th, 2026
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Lead Python Engineer - AI-Driven, Secure Cloud Platforms

Company IconJPMorgan Chase & Co.
Location IconBournemouth

JPMorgan Chase & Co. in Bournemouth, UK is seeking a Lead Software Engineer within Infrastructure Platforms. You will be a core technical contributor delivering trusted, scalable technology across multiple business functions and driving AI-assiste...Read More>>.

Posted: September 25th, 2026
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Full‑Stack Python Engineer: APIs, Data Viz & Frontend

Company IconAdecco
Location IconDundee

Adecco is partnering with a Bristol-based tech team to hire a Software Engineer who will work across Python backend and frontend technologies. The role focuses on building data-intensive applications with modern frameworks, data visualization and...Read More>>.

Posted: September 25th, 2026
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Lead Python Engineer - AI-Enabled Network Data Services

Company IconNext Frontier Capital
Location IconLondon

JPMorgan Chase in London seeks a Lead Software Engineer to enhance network data services with Python applications, cloud integration, and secure, scalable solutions. You will be a core technical contributor shaping architecture and driving enterpr...Read More>>.

Posted: September 26th, 2026
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Lead Software Engineer - AIML Data Platform (Data, Python, Containers/Kubernetes)

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.Job DescriptionWe have an opportunity to impact your career and provide an adventure...Read More>>.

Posted: September 26th, 2026
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Senior Python Engineer - Credit Risk, AI/ML & FastAPI

Company IconCitibank (Switzerland) AG
Location IconNorthern Ireland

Citi in Belfast is seeking a Python Developer to join the Wholesale Credit Risk Technology team. You will design and deliver technology solutions for the front office and Credit Risk business, collaborating with onshore and offshore teams and usin...Read More>>.

Posted: September 27th, 2026
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Lead Python Engineer: AI-Driven, Secure Cloud Solutions

Company IconNext Frontier Capital
Location IconBournemouth

JPMorganChase is seeking a Lead Software Engineer to join the Infrastructure Platforms team. You will be a core technical contributor, delivering secure, scalable technology products and driving AI-assisted engineering practices across the develop...Read More>>.

Posted: September 30th, 2026
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Senior Python Engineer — AWS, CI/CD, Agile

Company IconLGBT Jobs
Location IconAdamsdown

Admiral Money is seeking a Senior Software Engineer - Python to join our team in the UK. You will contribute to diverse development tasks, champion technical excellence, and gain deep product understanding.We value curiosity, learning, and...Read More>>.

Posted: October 2nd, 2026
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Python AI Engineer

Company IconSquare One Resources
Location IconLondon

Python AI EngineerLocation: London - HybridRate: £600 - £700 Per day - Inside IR35Start: Mid OctoberContract - 6 MonthsJob Responsibilities/Objectives:Design, develop and maintain production-grade...Read More>>.

Posted: October 2nd, 2026
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Lead Python Engineer - AI-Driven, Secure & Cloud-Native

Company IconJPMorgan Chase & Co.
Location IconChristchurch

JPMorgan Chase & Co. is seeking a Lead Software Engineer within the Infrastructure Platforms unit. You will be a core technical contributor responsible for delivering trusted, scalable technology products across multiple business functions in a se...Read More>>.

Posted: October 3rd, 2026
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Python AI Engineer

Company IconStott and May Inc.
Location IconCoventry

Python AI Engineer Start: ASAP Duration: 6 months + Location: hybrid, central London Rate: DoE, inside IR35 We’re looking for an experienced Python AI Engineer to build and productionise Generative AI and RAG...Read More>>.

Posted: October 3rd, 2026
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AI-Driven Python Engineer: Build Intelligent Agents (Hybrid)

Company IconClient Server Limited
Location IconLondon

Client Server Limited in London is seeking a Python Software Engineer / Developer to work on agentic AI systems. You will develop backend code and APIs, with a focus on prompt engineering and LLM integrations, collaborating with the Technical Arch...Read More>>.

Posted: October 4th, 2026
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SQL & Python BI Engineer

Company IconKBR, Inc
Location IconSwindon

KBR is a global technical solutions provider recruiting a SQL/Python Developer for its Estates Intelligence BI team in Swindon. You will develop data pipelines, build Power BI datasets and ensure data quality for client reporting and internal anal...Read More>>.

Posted: October 4th, 2026
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Lead Python Engineer: AI-Driven, Cloud & Security

Company IconJP Morgan Chase
Location IconBournemouth

JP Morgan Chase in the United Kingdom is seeking a Lead Software Engineer to design, develop, and troubleshoot software solutions within an agile Infrastructure Platforms team. The role focuses on secure, high-quality production code and advancing...Read More>>.

Posted: October 5th, 2026
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Senior Python Engineer — High-Perf Data Pipelines (Hybrid)

Company IconPure Resourcing Solutions
Location Icon

Pure Resourcing Solutions is seeking a Senior Python Software Engineer for a Cambridge hybrid role, offering a competitive salary and strong data-processing focus.You will build and optimise high-performance data processing systems, emphasi...Read More>>.

Posted: October 5th, 2026
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SC Cleared Python Engineer - Data Pipelines & Cloud

Company IconSearchability
Location IconManchester

Searchability in the United Kingdom is seeking a Python Engineer / Data Engineer with SC clearance to join a public sector consultancy in Manchester on a permanent, hybrid basis.The role focuses on developing Python-based applications, buil...Read More>>.

Posted: October 5th, 2026
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Remote Senior Python Engineer — SC Cleared, AWS Backend

Company IconSynergetic
Location IconLondon

Synergetic is seeking a Senior Python Developer (SC cleared) for a mostly remote role with occasional travel to London. You will design and build a modern multi-tier web application in Python on AWS, focusing on production quality, security, and m...Read More>>.

Posted: October 5th, 2026
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Software Engineer Java Software Developers

Company IconSanderson Recruitment
Location IconLondon

Salary: £54,000 - 94,000 per year Requirements Commercial experience developing applications in JavaExperience working with AWS cloud technologiesStrong knowledge of Docker and containerisation...Read More>>.

Posted: October 5th, 2026
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SC Cleared Python Engineer - Data & Cloud (Cardiff, Hybrid)

Company IconSearchability
Location IconAdamsdown

Searchability is seeking a Python Engineer / Data Engineer to join a public sector consultancy in Cardiff on a permanent basis. The role requires active SC clearance to start and offers a hybrid working model with salary up to £75,000 DOE....Read More>>.

Posted: October 5th, 2026
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