Python Software Engineer Jobs In Watford Page 872 by Location

Python Developer Times Top 50 fintech firms

Company IconQuant Capital
Location IconLondon

Overview In this role you will join a fast-paced data science team building an enterprise-grade social data platform in Python. You will contribute to green-field development, shaping architecture and leveraging open-source tech including D...Read More>>.

Posted: September 30th, 2026
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Senior Python Developer - up to 90,000 + Bonus - Hybrid

Company IconInvolved Solutions
Location IconLondon

Overview Senior Python Developer to build and maintain automation, backend services and tooling for telecoms and network operations in a large-scale tech environment. You will focus on Python-based automation, REST APIs, and backend develop...Read More>>.

Posted: October 1st, 2026
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MCP & Tools Python Developer - Agent Evaluation Infrastructure

Company IconMindrift
Location Icon

This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English proficiency. What We Do...Read More>>.

Posted: June 6th, 2026
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Senior Software Security Developer – Core Platform Services London

Company IconPhysicsX Ltd
Location IconLondon

Senior Software Security Developer – Core Platform Services London About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed o...Read More>>.

Posted: June 6th, 2026
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Senior Java Engineer - Remote/Hybrid, Space Software

Company IconBright Ascension Ltd
Location Icon

Bright Ascension Ltd in the United Kingdom seeks an experienced Senior Java Engineer to contribute to product development within a hybrid working environment. This role involves designing and developing new software products while adhering to best co...Read More>>.

Posted: June 6th, 2026
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QA Test Engineer Intern — Hands-On Software Testing

Company IconSarima Tech
Location IconLondon

A technology company in the United Kingdom is seeking a detail-oriented Test Engineer Intern. This internship offers a fantastic opportunity to gain practical experience in software testing and work on real-world projects. Responsibilities include de...Read More>>.

Posted: June 6th, 2026
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Sr Staff ML Forward Deployed Engineer, Enterprise Genai Software

Company IconFront Door Defense
Location IconLondon

Sr Staff ML Forward Deployed Engineer, Enterprise GenaiOwn and scale enterprise GenAI features across Scale GP platformLocation: LondonJob Tags: SoftwareAbout The RoleSr Staff ML Forward Deployed Enginee...Read More>>.

Posted: July 10th, 2026
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Lead C++ Engineer - Own Complex Security Software

Company IconCBSbutler
Location IconLondon

CBSbutler is assisting a cybersecurity technology business in London to recruit a Lead C++ Software Engineer - Technical Delivery. The role is hybrid with 2 days on site, offering £80,000-£95,000 plus bonus and excellent benefits.You will...Read More>>.

Posted: August 17th, 2026
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Contract Python Developer - London: Inventory & Web Apps

Company IconMUJI
Location IconLondon

MUJI in London is seeking a Python Developer to design, test and maintain in-house applications in a Windows environment. The role focuses on bridging our inventory management system with replenishment and 3PL logistics, including Big Commerce int...Read More>>.

Posted: September 3rd, 2026
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Lead Python Developer & Tech Lead — Hybrid London

Company IconTank Recruitment
Location IconLondon

Tank Recruitment in London is seeking an experienced Lead Python Developer to join a growing tech team on a hybrid basis, combining hands-on coding with technical leadership to deliver high-quality software and data-driven solutions. You will guid...Read More>>.

Posted: September 3rd, 2026
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Senior Python Developer - Trading Systems & Cloud

Company IconEnfint
Location IconLondon

Enfint in London, part of a global Japanese bank, develops high-performance trading systems and cloud infrastructure for critical front-, middle- and back-office operations.The role designs, develops, and enhances trading platforms, transla...Read More>>.

Posted: September 12th, 2026
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Product Security Engineer - Build Secure Maritime Software

Company IconSRT Marine Systems plc
Location IconBradley Stoke

SRT Marine Systems plc is seeking a Product Security Engineer to embed security into product development from design through delivery. You will collaborate with software teams to review designs, code and backlog decisions, ensuring security is bui...Read More>>.

Posted: September 16th, 2026
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Counterparty Credit Risk Python Developer, AVP

Company IconCiti
Location IconLondon

Counterparty Credit Risk Analytics is a group within Citi Financial Risk Technology, responsible for developing the applications used for derivatives credit Risk and Basel Capital calculations Firm-wide.The Counterparty Credit Risk Devel...Read More>>.

Posted: September 20th, 2026
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Senior Python Developer – Trading / Risk Platforms

Company IconCrisil
Location IconLondon

We are looking forseniorPython Developerswith strong experience intrading and risk management systemswithin investment banking. The role involves building backend applications and data processing logic supporting risk calculations, tradeworkflo...Read More>>.

Posted: September 21st, 2026
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Python Developer for Counterparty Credit Risk Analytics

Company IconCiti
Location IconLondon

Citi in London is seeking a Counterparty Credit Risk Developer to advance the derivatives credit risk application. You will develop and maintain risk calculations, collaborate with Quant and Technology teams, and help optimize CI/CD and cloud work...Read More>>.

Posted: September 21st, 2026
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Python Developer - Greenfield Projects | Hybrid, Growth

Company IconEvolve IT Recruitment Ltd
Location IconCity of Edinburgh

Edinburgh-based company is seeking a Python Developer to join their team on a permanent basis. You will work on greenfield projects and rebuild core platforms, collaborating with an experienced team across the software lifecycle.The role of...Read More>>.

Posted: September 21st, 2026
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Python Developer: Hardware Test Automation—Contract

Company IconOvyo
Location IconReading

Ovyo is seeking a Python Developer to join an existing engineering team in West Reading, supporting automation of manufacturing test rigs. You will write Python scripts to control hardware, read measurements, and analyze data with NumPy and relate...Read More>>.

Posted: September 24th, 2026
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Python Developer – Algo Trading (Digital Assets)

Company IconAAA Global
Location IconLondon

AAA Global is seeking a Core Python Developer to join its algorithmic trading team focusing on digital assets. The role blends pragmatic coding with high-performance infrastructure and close collaboration with traders, C++ developers, and quants i...Read More>>.

Posted: September 24th, 2026
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Security-Cleared Python Developer - On-Site in Nottingham

Company IconForsyth Barnes Consultancy
Location IconNottingham

Forsyth Barnes are partnering with a Nottingham based SaaS organisation to recruit Python developers for high-assurance security solutions. You will design, develop, and maintain Python applications, contribute to planning, documentation, and ment...Read More>>.

Posted: September 25th, 2026
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Python Developer — FastAPI, LLM/RAG in Credit Tech

Company IconCiti
Location IconNorthern Ireland

Citi seeks a skilled Python developer to join the Wholesale Credit Risk Technology team. You will partner with onshore and offshore teams to design and deliver innovative technology solutions for the front office and Credit Risk Business.Th...Read More>>.

Posted: October 1st, 2026
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Senior Python Developer: Data Modelling & Collibra Expert

Company IconHarvey Nash
Location IconGlasgow

Harvey Nash is seeking an experienced Data Modelling Specialist – Senior Python Developer to join a team working on enterprise data governance, metadata management and data modelling within a highly regulated financial services environment....Read More>>.

Posted: October 1st, 2026
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Python Developer for Terahertz Imaging & AI R&D

Company IconHireHi
Location IconCambridge

HireHi ищет опытного бэкенд-разработчика на Python в стартапе, разрабатывающем решения в области сенсинга и терamagерцовых изображений для ме...Read More>>.

Posted: October 2nd, 2026
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AI Engineering Intern - Self-Healing Software, London

Company IconLight Inc
Location IconLondon

Light is building organic software and redefining how software is built and delivered. As an AI Engineering Intern you’ll work on agents, models, and infrastructure that turn organic software into something customers can rely on, with access to...Read More>>.

Posted: October 4th, 2026
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Front Office Python Developer – Trading Systems

Company IconOrbis Group
Location Icon

Front Office Developer - Trading Technology - Python Get AI-powered advice on this job and more exclusive features. This range is provided by Orbis Group. Your actual pay will be based on your skills and experience — talk with...Read More>>.

Posted: September 14th, 2026
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EMS Lead Engineer: End-to-End Software & Calibration

Company IconGordon Murray Group
Location Icon

Gordon Murray Group seeks a Lead Engineer – Engine Management Systems (EMS) to own EMS software and calibration end-to-end across all programmes. You will lead external partners, govern EMS delivery, and ensure production-ready integration with...Read More>>.

Posted: September 17th, 2026
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Python Developer – Mission-Critical Defence & Space

Company IconOnyx-Conseil
Location Icon

CGI’s Space, Defence and Intelligence unit is seeking experienced Python Developers to join cross-functional teams delivering secure, scalable solutions for government clients in the UK. You will design, build, and operate mission-critical syste...Read More>>.

Posted: September 19th, 2026
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Senior Python Developer – AI Training (Remote)

Company IconProlific
Location IconNewcastle upon Tyne

Python - Senior Developers - AI Training - UK About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000 AI developers, resear...Read More>>.

Posted: September 21st, 2026
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SQL Analytics Engineer (AI-Enabled, Databricks) - Software

Company IconSalt
Location IconLondon

SQL Analytics Engineer (AI-Enabled, Databricks) - Software - London or ReadingDaily rate: £350 - £450Duration: 12 monthsStart: ASAPMy client is looking for an Analytics Engineer to join a global analytics team supp...Read More>>.

Posted: September 22nd, 2026
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Python Developer (must have current SC clearance)

Company IconPlextek
Location IconGreat Chesterford

Python development - software to be integrated with a defence cloud environment, familiarity with D2S would be a major advantageDomains: Data & AI, Automation & Tooling, DevOps & InfrastructureModern devops / automated to...Read More>>.

Posted: September 22nd, 2026
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Observability Engineer NEC Software Solutions (India) United Kingdom Middle just now

Company IconRemote Genie
Location Icon

Come join us and make a difference in the world! Discover more atwww.necsws.com NO AGENCIES PLEASE Job Description Please note, role can be remote or hybrid, subject to location. Role Overview...Read More>>.

Posted: September 23rd, 2026
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Senior Python Developer – Data Integrations & APIs

Company IconAreti Group | B Corp™
Location IconLeeds

Senior Python Developer – Data Integrations & APIs | Public Sector | Up to £470/day (Inside IR35)We're hiring a Senior Python Developer to join a new integrations squad on a major UK public sector programme, building rob...Read More>>.

Posted: September 25th, 2026
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Senior Quant Developer, Rates Analytics (Python/C++)

Company IconCiti
Location IconLondon

Citi's Markets Quantitative Analysis Rates team is seeking a Quant Developer to join a global financial institution in London. You will apply strong Python and C++ skills to develop analytics and support senior management with MI data, balancing s...Read More>>.

Posted: September 27th, 2026
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Lead Quant Developer: Rates Analytics (Python/C++)

Company IconCitigroup Inc.
Location IconLondon

Citi is seeking a Quant Developer for the Markets Quantitative Analysis Rates team in London. You will apply programming and quantitative skills to prepare information used by senior management to understand market reactions, delivering MI data un...Read More>>.

Posted: September 27th, 2026
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Senior Controls Engineer – PLC, HMI & Safety Software

Company IconEnergy Jobline CVL
Location IconHinckley

Proactive Global is seeking an experienced Controls Engineer to join a dedicated controls department delivering high-quality automation solutions for industrial machinery across various sectors in the UK.The role covers design, development,...Read More>>.

Posted: September 28th, 2026
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Python Developer Times Top 50 fintech firms

Company IconAppcast
Location IconLondon

Python Developer Times Top 50 fintech firmsQuant Capital is urgently looking for a Python Developer to join our high profile client in their data science team.Our client is a big data business that has created a world leading social data pr...Read More>>.

Posted: October 3rd, 2026
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Python Developer (Hybrid) – London Contract (6 Months)

Company IconIntec Select Ltd
Location IconLondon

Intec Select Ltd. seeks a Python Developer for a 6-month contract in London, working hybrid with 2 days per week on-site at the client's office. You will build and maintain customer-facing and internal platforms, using Python (Django) across the s...Read More>>.

Posted: October 4th, 2026
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