Python Software Engineer Jobs In Watford Page 872 by Location

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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Highly experienced Python Engineer – Tech Driven Fund

Company IconQuant Capital
Location IconLondon

Overview In this role you will join a London-based, performance-driven hedge fund to extend and optimize trading infrastructure for systematic strategies in rates and FX. You’ll work closely with research teams to design and implement aut...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 Engineer - AI Testing Project (Freelance, Mindrift)

Company IconMindrift
Location Icon

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI system...Read More>>.

Posted: June 6th, 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: June 6th, 2026
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Senior Python Engineer – Cloud-Native & AI-Driven Platform

Company IconOctopus Legacy
Location Icon

A progressive startup is searching for a Python Software Engineer to join their dynamic team. In this role, you will lead the design and development of scalable cloud-native systems, primarily in Python. You will work on exciting greenfield projects...Read More>>.

Posted: June 6th, 2026
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AI Software Engineer — Build Scalable AI Apps (Python)

Company IconWorldQuant LLC
Location IconLondon

A financial technology firm in Greater London is looking to build a new software engineering team focused on applied AI. This role involves collaborating with diverse teams to develop scalable AI-driven applications that solve real-world problems. St...Read More>>.

Posted: June 6th, 2026
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Senior Python Engineer - Remote, Stock Options & 30% Bonus

Company IconOliver Bernard
Location Icon

A recruitment agency is seeking a Senior Python Developer for a FinTech client in the UK. You will design complex systems and write scalable code while collaborating closely with the CTO and Head of Engineering. The role requires over 6 years of expe...Read More>>.

Posted: June 6th, 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: June 7th, 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: June 13th, 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: July 13th, 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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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 8th, 2026
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Remote Senior Python Engineer for High-Load AI Solutions

Company IconHigh sky
Location IconLondon

High sky in Greater London is seeking a skilled developer to create infrastructure solutions for product AI teams. This role focuses on developing high-load services for deploying ML models and optimizing existing solutions.The ideal candid...Read More>>.

Posted: September 9th, 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 9th, 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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Lead Python Engineer – Real-Time Rates Marking & Pricing

Company IconNext Frontier Capital
Location IconLondon

JPMorganChase, within the Commercial & Investment Bank’s Markets Technology, seeks a Lead Software Engineer to drive real-time marking, pricing, and market data platforms for the Rates Nonlinear franchise in the EMEA region.You will lead...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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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 16th, 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 16th, 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 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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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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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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Graduate Software Engineer, Trading Tech (C#/C++/Python)

Company IconAmsterdam Quant Society
Location IconLondon

Susquehanna is seeking a graduate software engineer in London to join our trading technology teams. You will work across C#, C++, and Python, contributing to high-performance systems and data-driven solutions while learning from senior technologis...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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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 27th, 2026
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Senior Python Engineer: Data Pipelines, APIs & AI Automation

Company IconTria
Location IconBirmingham

Tria in Birmingham is seeking a Python Developer to join a hands‑on team focused on internal applications, data platforms and integrations. The role blends software development with data engineering, cloud work and automation to modernise system...Read More>>.

Posted: September 27th, 2026
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GenAI Python Engineer – Finance, London (12m FTC)

Company IconClient Server Limited
Location IconLondon

Client Server Limited in London seeks a Senior Software Engineer specializing in Python GenAI and LLM/RAG workflows. The role is a 12-month Fixed Term Contract with full benefits and hybrid working in London.You will join the Investment Tec...Read More>>.

Posted: October 4th, 2026
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Senior Backend Python Engineer — AWS Serverless, Hybrid

Company IconRullion - Eon
Location IconLondon

Rullion - Eon is seeking a Senior Backend Python Engineer to join a dynamic energy provider in the UK. The role is hybrid with one day per week in London, full-time at 37 hours per week, initial six-month contract with potential extension.Y...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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Senior Python Engineer - AI-Driven Ops Platform

Company IconLendable Ltd
Location IconLondon

Lendable Ltd is seeking a full-stack Python engineer to join our Central Operations team. You will work across Cards, Loans and Motor, building internal web apps and automations to support Ops teams at scale.Expect ownership from an enginee...Read More>>.

Posted: September 21st, 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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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 for AI LLM Platform — Remote

Company Iconremotestar-team
Location IconCambourne

RemoteStar is seeking a Senior Python Developer for a long-term contract role with a fully remote policy across European clients. This is a true self-starter position to build something from the ground up.You will shape the product by leadi...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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Senior Python Engineer – AWS, IaC, Hybrid (London)

Company IconPharmaceutical Press
Location IconLondon

Pharmaceutical Press, the knowledge business of the Royal College of Pharmacy, seeks a talented software professional to design, implement, and maintain publishing software, systems, and customer-facing digital products.You will work in a h...Read More>>.

Posted: October 2nd, 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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Senior Python Engineer — AI/LLM Production Backends

Company IconNcounter
Location IconLondon

Ncounter is expanding its AI engineering capability and seeks a Python Engineer to build production-grade, LLM-powered backend services. You’ll design APIs with FastAPI, implement robust data flows with PostgreSQL, and push models into secure, s...Read More>>.

Posted: October 3rd, 2026
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Backend Python Engineer — AI-Driven, Secure & scalable

Company IconJPMorgan Chase & Co.
Location IconChristchurch

JPMorgan Chase & Co. is seeking a Software Engineer III in Christchurch, UK to join an agile team that designs, develops, and troubleshoots secure, scalable software components for state-of-the-art technology products.You will contribute to...Read More>>.

Posted: October 3rd, 2026
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Senior Python Engineer for AI-Driven Investment Platform

Company IconSchroders
Location IconLondon

Schroders is seeking a Principal Software Engineer (Python) to help build an AI-native investment platform within Public Markets. You will craft scalable Python solutions, leverage AWS cloud-native services, and shape analytics workflows used by i...Read More>>.

Posted: October 4th, 2026
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Senior SQL/Python Engineer — AI-Driven, Agile

Company IconNext Frontier Capital
Location IconGlasgow

JPMorganChase is seeking a Software Engineer III within Corporate Technology. You will be part of an agile team delivering trusted market-leading technology products in a secure, scalable manner.Responsibilities include design, development,...Read More>>.

Posted: October 4th, 2026
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Senior Backend Python Engineer for AI/LLM - Remote

Company IconClient Server Limited
Location IconLondon

Client Server Limited is seeking a Backend Software Engineer / Developer (Python LLM) for a remote UK role. You will build production-grade AI systems and the infrastructure that supports them, taking ownership and shaping the evolution of a conve...Read More>>.

Posted: October 4th, 2026
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Hybrid Defence Cloud Python Engineer (SC Cleared)

Company IconSoCode Limited
Location IconFen Ditton

SoCode Limited is seeking a Python Engineer on a contract with hybrid working in Cambridgeshire. The role is an initial 3-month assignment with a strong chance of extension and ASAP start. Day rate £500-£600.We are looking for 1-2 SC clea...Read More>>.

Posted: October 4th, 2026
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