Python Software Engineer Jobs In Watford Page 872 by Location

Senior Python Engineer — Real-Time Data Pipelines

Company IconVortexa
Location IconLondon

A fast-growing technology company in the United Kingdom is looking for a mid-senior level data engineer. The role involves designing and building data pipelines using Python, ensuring uptime and fault tolerance. Candidates should have expertise in di...Read More>>.

Posted: June 6th, 2026
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Senior Python Engineer, Cloud-Native AWS & Serverless

Company IconSGI
Location IconLondon

A modern financial services firm is looking for a Senior Python Engineer to join their team in the City of London. You will help redesign their technology stack to be cloud-native on AWS, focusing on Python-based services. The ideal candidate should...Read More>>.

Posted: June 6th, 2026
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Entry-level Python Engineer — Real-Time Pipelines

Company IconVortexa
Location IconLondon

A fast-growing international technology company based in the UK is seeking an entry-level engineer to design and build infrastructure for data pipelines. The role involves collaboration with software engineers and data scientists to ensure robust, 10...Read More>>.

Posted: June 6th, 2026
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Python Engineer – Real-Time Trading Systems (HFT)

Company IconDurlston Partners
Location Icon

A leading recruitment agency seeks a Python Software Engineer for a high-frequency trading firm in the UK. This role involves developing systems for real-time market data and trade execution while ensuring performance optimization in a dynamic enviro...Read More>>.

Posted: June 6th, 2026
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Hybrid Backend Python Engineer - AI Energy Forecasting

Company IconModo Energy
Location IconLondon

An innovative energy technology company in London is seeking a backend Python Engineer for its Modelling team. The successful candidate will build and maintain services for energy forecasting models, collaborating with data scientists and analysts. I...Read More>>.

Posted: June 6th, 2026
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Senior Python Engineer - Front-Office Analytics & Trading

Company IconRandstad Digital
Location IconLondon

A leading technology recruitment company is seeking a Senior Python Developer based in London. The role demands an expert in Python with strong DevOps and data processing capabilities. Key responsibilities include designing high-performance financial...Read More>>.

Posted: June 6th, 2026
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Senior Python Engineer, Financial Systems & Data Pipelines

Company IconValidus Risk Management
Location IconLondon

A financial risk management firm in the UK seeks a Python Software Engineer to join the Client Success Team. The role involves leading the delivery of features and enhancements for the Validus Horizon platform. Candidates should have 3-5 years of sof...Read More>>.

Posted: June 6th, 2026
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Senior Python Engineer - AI Model Training (Remote)

Company IconProlific
Location IconBelfast

Prolific is seeking Senior Python Developers to join our Expert Network to train and evaluate cutting-edge AI models. This role offers competitive pay up to $50/hr, flexible hours, and the ability to work from home.The ideal candidate will...Read More>>.

Posted: June 6th, 2026
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Senior Backend Django/Python Engineer — Fintech Ownership

Company IconUpdraft
Location IconLondon

A leading fintech company in London seeks a Backend Developer to design and develop efficient server-side components. The role requires a solid understanding of microservices architecture and experience in high-scale startups, ideally with 5-7 years...Read More>>.

Posted: June 6th, 2026
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Python Engineer — AI Forecasting & Modelling (Energy Markets)

Company IconModo Energy
Location IconLondon

Modo Energy is building AI-powered tools for understanding global energy markets — combining large-scale data, forecasting models, and LLM systems into high-performance interfaces engineers and analysts use every day.We're hiring a bac...Read More>>.

Posted: June 6th, 2026
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Python Engineer: Sports Betting Data & Trading Tools

Company IconVenture Up
Location Icon

A sports betting technology firm in London is seeking a Python Engineer to develop tools and systems for traders. The successful candidate will have 2-4 years of experience in Python development and must be able to write clean, maintainable, and well...Read More>>.

Posted: June 6th, 2026
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Senior Python Engineer for AI Model Training (Remote)

Company IconProlific
Location IconLondon

Prolific is seeking Senior Python Developers to join their Expert Network for training AI models. This role involves evaluating code accuracy and providing feedback on model performance.Ideal candidates should hold a relevant degree and hav...Read More>>.

Posted: June 6th, 2026
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Senior Python Engineer: Data & Azure Serverless (Hybrid)

Company IconMCS Group | Your Specialist Recruitment Consultancy
Location IconBelfast

A well-known Northern Irish organization is looking for a Software/Data Engineer for a short-term contract in Belfast. Responsibilities include redeveloping Python functions and conducting unit tests. Ideal candidates will have a strong software deve...Read More>>.

Posted: June 6th, 2026
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Hybrid Senior Python Engineer: FastAPI, Databricks & APIs

Company IconOliver Bernard
Location Icon

A leading recruitment firm is seeking a Senior Support Consultant to join a Global Insurance Leader's expanding Python Engineering team. The ideal candidate will design and build high-performance APIs and enhance existing platforms. Strong proficienc...Read More>>.

Posted: June 6th, 2026
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Python Engineer: Data Pipelines & AWS for Clean Energy

Company IconPeaple Talent
Location Icon

Peaple Talent in the United Kingdom is seeking a skilled Python Software Engineer to join their fast-growing team focusing on clean-energy transition. The role involves developing in-house Python applications, building APIs, and managing ETL pipeline...Read More>>.

Posted: June 12th, 2026
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Senior Python Engineer: MongoDB & Multi-Cloud Deployments

Company IconMeetborderless
Location IconLondon

Canonical is seeking an experienced Senior Software Engineer to help build a fully managed MongoDB solution using Python and Juju. You will deploy and operate MongoDB clusters across multi‑cloud and on‑prem environments and contribute to a hig...Read More>>.

Posted: July 29th, 2026
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Senior Python Engineer — Architect AI Data Platform

Company IconFairygodboss
Location IconGlasgow

JPMorganChase is seeking a Senior Lead Software Engineer to join the Corporate Technology Data and Analytics Services team. You will own end-to-end components for a greenfield platform connecting data mesh and AI tools, designing ingestion pipelin...Read More>>.

Posted: July 31st, 2026
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Senior Python Engineer - Equity Eligible, Scale (Oxford)

Company IconQurious Associates Limited
Location IconOxford

Qurious Associates Limited, a fast-growing startup in Oxford, is looking for Python Software Engineers to help build and scale a groundbreaking product. The ideal candidates should have at least 1 year of commercial Python experience as a Junior E...Read More>>.

Posted: August 5th, 2026
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Remote Python Engineer — Open Source & Cloud Scale

Company IconMeetborderless
Location IconLondon

Canonical is a leading open source software company known for Ubuntu, hiring Python developers across teams with remote roles in every time zone. You will write high-quality, well-tested Python, collaborate with a globally distributed team, and co...Read More>>.

Posted: August 25th, 2026
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Python Engineer for Macro & Fixed Income Data Platform

Company IconSelby Jennings
Location IconLondon

Selby Jennings in London is seeking a Python Engineer to join a Macro & Fixed Income Data Technology team, building a modern data platform that supports investment decision-making. You will design scalable data pipelines and work closely with port...Read More>>.

Posted: August 29th, 2026
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Senior Python Engineer: Secure & Scalable FX Tech

Company IconJPMorgan Chase & Co.
Location IconLondon

JPMorgan Chase & Co. seeks a Software Engineer III to join the FX Options team.You will design and deliver trusted technology products in a secure, scalable way, collaborating within an agile environment to support the firm's objectives and...Read More>>.

Posted: August 29th, 2026
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Senior Python Engineer — Trading Desk Tech on Beacon

Company IconTrafigura
Location IconLondon

Trafigura is seeking a Senior Python Engineer to join the Gas, Power & Renewables (GPR) Technology team in the UK. You will own the full development lifecycle, building risk solutions for the Power and Gas trading desk on Beacon Platform and deliv...Read More>>.

Posted: August 29th, 2026
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Python Engineer, Quant Trading — Front-Office Impact

Company IconSelby Jennings
Location IconLondon

Selby Jennings is hiring a Python Software Engineer for a London trading technology team. You will design, build and enhance production-grade Python applications supporting trading, market data, risk and workflows, working closely with traders and...Read More>>.

Posted: August 30th, 2026
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Staff Python Engineer (Data) — Hybrid Data Platforms

Company IconArrive
Location IconLondon

Arrive, the global mobility platform behind Parkopedia, is transforming urban travel. As a Staff Python Engineer you will lead data systems, design scalable data services, and shape production AI capabilities.You’ll own the Spark-based pi...Read More>>.

Posted: September 2nd, 2026
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Senior Python Engineer (AWS, CI/CD, Mentorship)

Company IconAdmiral
Location IconCardiff

Admiral Money in Cardiff is seeking a Senior Software Engineer (Python) to contribute to our technical product teams and champion technical excellence. You will develop deep understanding of our products and their implementation, writing clean, te...Read More>>.

Posted: September 3rd, 2026
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Backend Python Engineer — AI Cybersecurity (Hybrid Cambridge)

Company IconClient Server
Location IconCambourne

Client Server in Cambridge is seeking a Python Developer / Backend Software Engineer to design and implement backend systems for a cutting-edge cybersecurity product. You will contribute to a Greenfield project, prototyping ideas quickly and deliv...Read More>>.

Posted: September 24th, 2026
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Senior Python Engineer - Data Pipelines & Cloud Systems

Company IconEnso Recruitment
Location IconNorthern Ireland

Enso Recruitment is partnering with an established international technology business to hire Senior Python Engineers. You will join a small, autonomous team building data‑intensive platforms, with ownership of production systems and high‑scale...Read More>>.

Posted: September 24th, 2026
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Python Engineer - Boutique Asset Manager - Up to £90,000

Company IconSaragossa
Location IconLondon

You get to build something new, not just maintain what already exists.This is a boutique asset manager that has grown to a genuinely meaningful size without losing the entrepreneurial feel that got them there. The technology team is small,...Read More>>.

Posted: September 24th, 2026
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Senior Python Engineer – APIs & Cloud (Remote UK)

Company IconOctopus Electric Vehicles
Location IconLondon

Octopus Electric Vehicles is seeking a Senior Software Engineer (Python) to join the Product & Technology team in a hybrid role. You will design and build APIs, evolve backend systems, and work with PostgreSQL and NoSQL data sources on AWS, with a...Read More>>.

Posted: September 25th, 2026
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Senior Python Engineer - Trading Infra & Data Platforms

Company IconSelby Jennings
Location IconLondon

Selby Jennings in City of London is seeking a skilled software engineer to design, build and maintain critical trading infrastructure and backend services. You will develop systems spanning trade capture, position management, reconciliation and se...Read More>>.

Posted: September 25th, 2026
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Senior Python Engineer - Risk Tech, Scalable Platforms

Company IconTempest Vane Partners
Location IconLondon

Tempest Vane Partners in London is seeking a Senior Python Developer to join their risk technology team. You will help revamp and rebuild core risk components to be scalable and resilient for internal risk managers and external clients.The...Read More>>.

Posted: September 25th, 2026
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Senior GenAI Python Engineer — Production AI Apps

Company Icon83zero Ltd
Location IconGlasgow

83zero Ltd is seeking a Senior Python Developer to lead GenAI-powered solutions. You’ll build production-grade Python code, APIs and AI-enabled services for enterprise clients, leveraging LLMs, RAG and AI agents.You’ll work across the f...Read More>>.

Posted: September 26th, 2026
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GenAI Python Engineer — Build Production AI Apps

Company Icon83zero Ltd
Location IconLondon

83zero Ltd is seeking a hands-on Python Developer for GenAI projects in London. You will build production-grade AI applications, APIs and microservices, applying LLMs and RAG technologies to real-world client needs.The role is hybrid (2 day...Read More>>.

Posted: September 26th, 2026
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GenAI Python Engineer — Build Production AI APIs

Company Icon83zero Ltd
Location IconManchester

83zero Ltd is seeking hands-on Python Developers at Consultant level with practical GenAI, LLMs and RAG experience. The role focuses on writing production-grade Python code, building APIs, services and AI applications for enterprise clients in a G...Read More>>.

Posted: September 26th, 2026
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Lead Python Engineer: Architect, Deliver & Mentor Pod

Company IconFundment Limited
Location Icon

Fundment is seeking a Lead Python Developer to lead a pod of 3–4 engineers, combining hands-on development (about 50%) with technical leadership. You’ll drive delivery quality, ensure reliable, maintainable backend systems, and shape the techn...Read More>>.

Posted: September 26th, 2026
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Python Engineer - ETL/SQL for Data Platform (London)

Company IconClient Server Limited
Location IconLondon

Client Server Limited in London is seeking a Python Developer / Engineer (SQL ETL) to build and optimise the data platform, focusing on data quality, reliability, and scalable ETL workflows across microservices and databases.You will mainta...Read More>>.

Posted: September 27th, 2026
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Backend Python Engineer – Banking Systems (Hybrid, London)

Company IconAdvanced Resource Managers Ltd
Location IconLondon

Advanced Resource Managers Ltd seeks a Backend Developer (Python) for a 6-month contract in London. Role requires strong banking domain experience and a hands-on approach to building, modernising and supporting distributed backend systems in a hyb...Read More>>.

Posted: September 27th, 2026
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IAM Python Engineer – PingDS Expert (Hybrid UK)

Company IconHamilton Barnes
Location IconLondon

Hamilton Barnes seeks an IAM (Python) Developer for a hybrid role based in London or Glasgow. You will develop production-quality Python scripts and tooling for automation and data processing, while supporting PingDS (ForgeRock DS) across migratio...Read More>>.

Posted: September 27th, 2026
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Senior Python Engineer for AI-Driven LLM Platforms

Company IconNcounter Limited
Location IconLondon

Ncounter Limited is seeking a Python Engineer to join its AI engineering capability, helping public sector clients by turning ideas from discovery into reliable, scalable production services. The role focuses on building robust backends, APIs, and...Read More>>.

Posted: September 30th, 2026
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Senior Python Engineer: AI-Driven Finance & Data

Company IconNext Frontier Capital
Location IconGlasgow

J.P. Morgan is seeking a Software Engineer III to join the Data Science Engineering team in Asset & Wealth Management. You will design and deliver secure, scalable technology products as part of an agile team, contributing across multiple domains....Read More>>.

Posted: September 30th, 2026
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Senior Python Engineer: APIs, GraphQL & Scalable Backend

Company IconOctopus Energy Group
Location Icon

Octopus Energy Group is seeking a Senior Software Engineer (Python) to join our product and engineering team. You will design and build robust APIs, evolve backend systems, and work with multiple data sources to deliver scalable solutions.Y...Read More>>.

Posted: October 1st, 2026
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Lead Python Engineer - AI-Driven Platform Developer

Company IconJPMorganChase
Location Icon

JPMorganChase in the United Kingdom is seeking a Lead Software Engineer to join the Infrastructure Platforms team, delivering trusted market-leading technology in a secure, scalable way. You will be a core technical contributor shaping architectur...Read More>>.

Posted: October 1st, 2026
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Python Engineer: AI-Driven Backend & Cloud Automation

Company IconBarclays
Location IconNorthampton

Barclays is seeking a Python Engineer in Northampton to design, build and automate solutions across our technology landscape. You will develop backend services, cloud-native infrastructure, and modern React UIs, leveraging AWS, Python, Docker, and...Read More>>.

Posted: October 1st, 2026
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Senior Python Engineer - Smart Energy Trading Platform

Company IconVirtueTech Recruitment Group
Location IconLondon

VirtueTech Recruitment Group is seeking a Senior Python Developer for a Clean Energy Tech firm in London. You will build backend services for energy trading, handling high-volume data, real-time dispatch, and cloud-native infrastructure.You...Read More>>.

Posted: October 2nd, 2026
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Senior Python Engineer: FastAPI & Data Modeling with AI

Company IconBrillio Europe (Formerly CloudStratex)
Location IconGlasgow

Brillio Europe (Formerly CloudStratex) is seeking a seasoned Python developer to own production services and deliver robust data models and scalable APIs. You will work closely with governance, architecture, risk, and business teams to translate c...Read More>>.

Posted: October 2nd, 2026
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Senior Python Engineer — AWS, CI/CD, Agile

Company IconLGBT Jobs
Location IconCardiff

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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Senior Python Engineer: Hybrid Cloud Backend & Infra

Company IconCertara
Location Icon

Certara is seeking a Senior Python Engineer to join the Certara IQ team, focusing on Python-first backend services and infrastructure on AWS. You will write code for FastAPI services, own internal tooling, and contribute to the platform's reliabil...Read More>>.

Posted: August 28th, 2026
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Senior Python Engineer for Govt Data Solutions (Contract)

Company IconRedRock Consulting Ltd
Location IconNewcastle upon Tyne

Get notified about new Junior Analyst jobs in United States.11,000+ Junior Analyst Jobs in United StatesCampus Undergraduate Full-Time Analyst - 2027 Data & Analytics, Enterprise Technology Services- Phoenix, AZ...Read More>>.

Posted: September 27th, 2026
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SC Cleared Python Engineer - Hybrid Cloud & DevOps

Company IconSoCode Recruitment
Location Icon

SoCode Recruitment is seeking a Python Engineer with active SC clearance for a 3-month contract in Cambridgeshire. The role is hybrid and focuses on software development and automated tooling inside a Defence cloud environment, spanning Data & AI,...Read More>>.

Posted: September 27th, 2026
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