Python Software Engineer Jobs In Watford Page 872 by Location

Software Engineer - Developer Experience

Company IconNeo4J
Location IconLondon

Overview As an Aura DevEx Engineer, you help make Aura a productive platform for Neo4j engineers and external users. You bridge development in the Aura cloud environment with tooling, docs, and AI-enabled workflows, enabling teams to adopt...Read More>>.

Posted: September 30th, 2026
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Junior Python Engineer Fintech

Company IconQuant Capital
Location IconLondon

Overview In this role you will help build scalable Python-driven tools and websites for high-volume trading environments. You will work with a fast-paced, agile team shaping the architecture and exploring open-source solutions to improve da...Read More>>.

Posted: September 30th, 2026
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Senior Python Engineer (Full Stack)

Company IconLendable
Location IconLondon

Overview In this role, you will join Lendable’s Central Operations to design and ship features that empower ops teams across Cards, Loans and Motor. You will build internal web apps and automations, partnering with Product, Data Science a...Read More>>.

Posted: September 30th, 2026
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Python Engineer- London

Company IconQuant Capital
Location IconLondon

Overview In this role you will join a high-profile trading desk to build and support automated trading tools and data-driven workflows. You’ll work closely with traders to develop analytics, risk, and portfolio tools that power ETF pricin...Read More>>.

Posted: October 1st, 2026
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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: October 1st, 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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Software Engineer III - AI/ML Data Platforms - AI Engineer - Python

Company IconJP Morgan Chase
Location IconLondon

Overview You will transform cutting-edge AI research into production-grade capabilities at a leading financial firm. In this role, you collaborate with AI researchers and data scientists to move prototypes into reliable, scalable solutions...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 Engineer Trading

Company IconQuant Capital
Location IconLondon

Overview In this role you will contribute to the London trading team by developing and maintaining Python-based live systems used in fast-moving markets. You will help accelerate research and trading workflows through in-house tools and ope...Read More>>.

Posted: October 1st, 2026
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Context Plane Python Engineer

Company IconJP Morgan Chase
Location IconGlasgow

Overview In this role you will lead the development of a greenfield data platform that connects the firm’s data mesh and knowledge sources to AI agents. You will own end-to-end components, from ingestion to governed retrieval, shaping the...Read More>>.

Posted: October 1st, 2026
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Python Engineer – Get Trading Experience

Company IconQuant Capital
Location IconLondon

Overview In this role you will build and maintain Python-based trading tools for a leading high-frequency trading desk. You will work directly with two traders to develop automated trading systems, analytics, and tools for portfolio constru...Read More>>.

Posted: October 1st, 2026
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Python Engineer – Tech Driven Fund

Company IconQuant Capital
Location IconLondon

Overview In this role you will join the Trading team of a leading global hedge fund to extend infrastructure for automated trading of rates and FX. You will collaborate with research to architect, implement and analyze trading algorithms an...Read More>>.

Posted: October 1st, 2026
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Junior Python Engineer – Investment Management

Company IconQuant Capital
Location IconLondon

Overview In this role you will contribute to building a scalable trading architecture and cloud-native microservices for an active systematic trading hedge fund. You will collaborate closely with a high-caliber engineering team in a fast-pa...Read More>>.

Posted: October 1st, 2026
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Python Data Engineer – Investment Management

Company IconQuant Capital
Location IconLondon

Overview In this role you will help build and operate a scalable Python-driven data platform for a prominent investment firm. You will work within a cross-functional team on a large distributed system that ingests real-time data for portfol...Read More>>.

Posted: October 1st, 2026
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Python Engineer – Mongo

Company IconQuant Capital
Location IconLondon

Overview As a Python Engineer at Quant Capital’s client, you will build and evolve back-end systems for pricing and valuations of derivatives in a fast-paced, collaborative setting. You will shape architecture, implement robust Python-bas...Read More>>.

Posted: October 1st, 2026
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Python Data Engineer – Hedge Fund

Company IconQuant Capital
Location IconLondon

Overview In this role you will build and maintain data pipelines for a fast-paced hedge fund, aligning internal and external data sources. You will work with cross-functional teams to ensure robust data workflows, monitoring end-to-end life...Read More>>.

Posted: October 1st, 2026
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Python Engineer – Fintech

Company IconQuant Capital
Location IconLondon

Overview In this Python Engineer role at a leading FinTech in London, you will help build an enterprise‑grade platform for derivatives valuation in a fast‑paced, agile environment. You will work closely with cross‑functional teams to...Read More>>.

Posted: October 1st, 2026
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Software Developer - Data Pipelines (Python)

Company IconSQUAREPOINT CAPITAL
Location IconLondon

Overview As a Python-focused member of the Alpha Data team, you will shape scalable data pipelines and frameworks that deliver vast data to users worldwide. You’ll work closely with quant researchers, traders, and technologists to design...Read More>>.

Posted: October 1st, 2026
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Junior Python Engineer – Mongo

Company IconQuant Capital
Location IconLondon

Overview As a Junior Python Engineer, you contribute to back-end development for a fintech client focused on funding small businesses. You work in a fast-paced, agile environment that values open-source exploration and practical experimenta...Read More>>.

Posted: October 1st, 2026
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AI Engineer Python

Company IconSyngenta Group
Location IconBracknell

Overview In this senior, hands-on role you will design, build and maintain production-grade Python services and internal developer platforms to enable multiple teams. You’ll advance AI-enabled capabilities, including RAG-based search and...Read More>>.

Posted: October 1st, 2026
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Senior Python Engineer - Automation

Company IconAristocrat Technologies
Location IconLondon

Overview Senior Engineer – Python Automation at Aristocrat drives enterprise automation initiatives within the Reporting Center of Excellence. You architect and deliver end-to-end automation solutions, maintain hundreds of processes, and...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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Java Python Engineer – Investment Management

Company IconQuant Capital
Location IconLondon

Overview In this role you will help build a new trading architecture for model execution at a fast-growing hedge fund. You will design, develop, test, and deploy cloud-based microservices (AWS) and work closely with the engineering team to...Read More>>.

Posted: October 1st, 2026
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Python Engineer – Get Trading Experience- London

Company IconQuant Capital
Location IconLondon

Overview In this role you will join a fast-paced trading desk to build and maintain Python-based tools for data analysis, portfolio construction, and risk breakdown of ETFs. You’ll work closely with two traders in a modern trading technol...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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Principal Python Engineer - Tech for good

Company IconLinuxRecruit
Location IconLondon

Overview As Principal Engineer, you will ensure robust technical delivery of products and services, shaping plans with stakeholders and applying your expertise to drive excellence. You will act as the senior technical representative for you...Read More>>.

Posted: October 1st, 2026
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Software Engineer Java Software Developers (SC Cleared)

Company IconSanderson Recruitment
Location IconLondon

Overview In this role you will design, develop and maintain secure Java applications for mission-critical defence projects. You will work within Agile teams to deliver cloud-native solutions on AWS, with containerised deployments. You’ll...Read More>>.

Posted: October 1st, 2026
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Senior Python Backend Engineer

Company IconNicoll Curtin
Location Icon

Overview In this role you will design and operate backend systems that connect AI models to the product, enabling end-to-end AI workflows and reliable API features. You’ll work in a small, high-caliber team focused on real-world usage, wi...Read More>>.

Posted: October 1st, 2026
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Junior Python Engineer

Company IconQuant Capital
Location IconLondon

Overview As a Junior Python Engineer you will develop tools and web interfaces to support high-volume trading and risk analysis in a fast-paced, tech-driven fintech environment. You’ll collaborate with cross-functional teams to implement...Read More>>.

Posted: October 1st, 2026
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Senior Software Engineer, Full-Stack Applications (Python)

Company IconFitch Ratings
Location IconManchester

Overview As Director of Software Engineering for full-stack applications, you steer the strategy, development, and delivery of Java, React, and Python-based systems that power Fitch’s analytical capabilities. You will lead cross-functiona...Read More>>.

Posted: October 1st, 2026
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Software Engineer III - Fullstack (Java, React, Python and AI) Engineer

Company IconJP Morgan Chase
Location IconLondon

Overview In this role, you will design, build, and support scalable web applications and integrations using Java, Python, and React, with AI-enabled features. You’ll collaborate with product, marketing, and partners to translate requireme...Read More>>.

Posted: October 1st, 2026
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Software Architect - Python & .NET.

Company IconComputer Futures
Location IconBirmingham

Overview As a Software Architect, you will lead the design and delivery of integrated software platforms for automation clients. You stay close to implementation, guiding cross-functional teams to create scalable, secure systems that connec...Read More>>.

Posted: October 1st, 2026
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Senior Software Engineer - Build AI Tools (Python, GoLang)

Company IconCitigroup
Location IconBelfast

Overview In this role you will design and enhance a GenAI prompt security platform to safeguard AI/LLM-based applications, build automated security testing for diverse use cases, and own scalable security solutions. You will collaborate wit...Read More>>.

Posted: October 2nd, 2026
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Senior Software Engineer

Company IconOcho
Location IconBelfast

Senior Security Software Engineer | Belfast (Hybrid, 3 Days Office) | InsurTechAt a glance:Senior Software Engineer - Python, AWS, security-focusedAI-driven InsurTech, scaling Belf...Read More>>.

Posted: September 4th, 2026
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Senior Software Engineer

Company IconThales UK Limited
Location IconBelfast

Type: Permanent Disciplines: Software Engineer Salary: Competitive Location: City, Belfast Description: Together we offer fantastic opportunities for committed employees to learn and develop their career with us....Read More>>.

Posted: September 11th, 2026
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Software Engineering Manager

Company IconOcho
Location IconBelfast

Engineering ManagerAt a Glance- First-ever Engineering Manager for a fast-moving product re-platform, build the management foundation from scratch- Ruby on Rails backend, React frontend spo...Read More>>.

Posted: September 15th, 2026
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macOS Software Engineer / Senior macOS Software Engineer

Company IconAndor Technology
Location IconBelfast

Date: 16 Sept 2026Location: Belfast, GB; Bristol, GB, BS35 4GG; Oxford, GB; High Wycombe, GB; GBJob Function: TechnicalBusiness Unit: Andor Technology...Read More>>.

Posted: September 18th, 2026
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Senior Software Engineer

Company IconCapita
Location Icon

Purpose of the role:Lead developers are experts on the practical and technical aspects required for a project's completion, but they typically handle the management or business side of technology projects. They are technology professiona...Read More>>.

Posted: October 1st, 2026
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Software Engineer

Company IconGen Tech Recruitment
Location IconLisburn

F/T Permanent Software Engineer required for Hillsborough.Job OverviewThe successful candidate will work across the company's application stack, primarily using C#/.NET (MVC), TypeScrip...Read More>>.

Posted: October 1st, 2026
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Software Engineer

Company IconMCS Group
Location IconBelfast

Software Engineer -Belfast | Hybrid | PermanentMCS Group is working with a growing technology company in Belfast that is looking to add 2 Software Engineers to its growing development team.This is...Read More>>.

Posted: October 2nd, 2026
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2 of 2 Python Data Engineer Jobs in County Antrim

Company IconInstil Software
Location IconBallymena

Role Were looking for a Data Engineer to join a team building and evolving a modern cloud-based data platform. This is a hands-on role focused on designing, building, and improving data pipelines and services, w...Read More>>.

Posted: October 3rd, 2026
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Software Engineer (.net)

Company IconMCS Group
Location IconBelfast

Software Developer (.NET)Belfast | Hybrid £45,000-£55,000Are you a C#/.NET Developer who enjoys solving complex integration challenges and having genuine ownership of your w...Read More>>.

Posted: September 10th, 2026
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Software Engineer

Company IconTP ICAP Group Services Ltd
Location IconBelfast

Group OverviewThe TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distri...Read More>>.

Posted: September 11th, 2026
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Software Engineer

Company IconOcho
Location IconBelfast

Software Engineer (Java)Ocho People | Technology RecruitmentSoftware Engineer opportunity at a leading digital asset firm operating at the centre of global financial marketsJava focused role across e...Read More>>.

Posted: September 14th, 2026
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AI Software Engineer

Company IconOcho
Location IconBelfast

AI Native Software EngineerAt a GlanceBelfast, Hybrid (2 days per week in office)Digital Services team, working within Context EngineeringSalary: DOEHelp shape how...Read More>>.

Posted: September 14th, 2026
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Senior Software Engineer

Company IconVANRATH
Location IconBelfast

Senior Software EngineerAn established global financial technology organisation, this company provides critical market infrastructure and innovative data and liquidity solutions to clients across global financial marke...Read More>>.

Posted: September 23rd, 2026
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Software Engineer

Company IconEnisca Browne
Location IconCookstown

Engineer the Systems That Power the UK's Water InfrastructureThe UK's water and wastewater network depends on intelligent, reliable automation to keep treatment sites running safely around the clock. At Profitec Solution...Read More>>.

Posted: September 26th, 2026
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Software Engineer (Security)

Company IconMCS Group
Location IconBelfast

Software EngineerBelfast - HybridSalary up to £55,000The OpportunityWe are delighted to be partnering with a high-growth technology organisation as they see...Read More>>.

Posted: September 26th, 2026
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Graduate Software Engineer

Company IconOcho
Location IconBelfast

Graduate Software EngineerAt-a-GlanceBelfast, hybrid... you'll need to be in the office regularly, so this one is for people based in or around BelfastGraduate level, ide...Read More>>.

Posted: October 2nd, 2026
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