Software Developer Python Javascript Jobs in UK

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Quantitative Developer

Quant Developer This role sits within a global, technology-driven investment firm running systematic and quantitative strategies across financial markets. The firm builds its own trading, research, and data platforms in-house. As a Quant Developer, the role bridges quantitative research a ...

.NET Developer

.NET Developer - Southampton (Tech stack: .NET Developer, .NET 9, C#, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) We have several fantastic new roles for .NET ...

.NET Developer

.NET Developer - Cambridge (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) We have several fantastic new roles for .NET Develo ...

Software Engineer (React + Python) Series A Document Processing LLM Product)

Full Stack Product Software Engineer - £100-180k salary range - London Onsite - LLM AI Workflow Automation Product B2B - Mid or Senior TDL are working with a Series A, ambitious start-up who are tackling manual admin heavy tasks across Fintech, Insurance and other surrounding sectors via their AI/LLM p ...

Python and Kubernetes Software Engineer Data, Workflows, AI/ML & Analytics

Overview Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation and IoT. Our customer ...

Experienced Software Engineer Java / Python (Full Stack or Back End)

Job Description Push the limits of what's possible with us as an experienced member of our Software Engineering team. As an Experienced Software Engineer at JPMorganChase within the Global Technology team, you serve as member of an agile team to design and deliver trusted market-leading t ...

Experienced Software Engineer Java / Python (Full Stack or Back End)

Overview Push the limits of what's possible with us as an experienced member of our Software Engineering team. As an Experienced Software Engineer at JPMorganChase within the Global Technology team, you serve as a member of an agile team to design and deliver trusted market-leading technology pro ...

Experienced Software Engineer Java / Python (Full Stack or Back End)

Push the limits of what’s possible with us as an experienced member of our Software Engineering team. As an Experienced Software Engineer at JPMorganChase within the Global Technology team, you serve as member of an agile team to design and deliver trusted market-leading technology products in a se ...

Experienced Software Engineer Java / Python (Full Stack or Back End)

Job Description Push the limits of what's possible with us as an experienced member of our Software Engineering team. As an Experienced Software Engineer at JPMorganChase within the Global Technology team, you serve as member of an agile team to design and deliver trusted market-leading t ...

Python Software Engineer Hybrid working Up to £250,000 Base (+ Bonus)

Python Software Engineer – Data & Research Platforms Client: Elite Proprietary Trading Firm Compensation: Up to £250,000 Base + Bonus Location: London (Hybrid) Overview Am elite ...

Experienced Software Engineer Java / Python (Full Stack or Back End)

Overview Push the limits of what's possible with us as an experienced member of our Software Engineering team. As an Experienced Software Engineer at JPMorganChase within the Global Technology team, you serve as a member of an agile team to design and deliver trusted market-leading technology pro ...

Python and Kubernetes Software Engineer Data, Workflows, AI/ML & Analytics

Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation and IoT. Our customers include the w ...

Experienced Software Engineer Java / Python (Full Stack or Back End)

Push the limits of what’s possible with us as an experienced member of our Software Engineering team. As an Experienced Software Engineer at JPMorganChase within the Global Technology team, you serve as member of an agile team to design and deliver trusted market-leading technology products in a secure, st ...

Software Engineer (React + Python) Series A Document Processing LLM Product)

Full Stack Product Software Engineer - £100-180k salary range - London Onsite - LLM AI Workflow Automation Product B2B - Mid or Senior TDL is working with a Series A, ambitious start‑up that is tackling manual admin‑heavy tasks across Fintech, Insurance and related sectors via their AI/LLM‑powered ...

Javascript with Agile Software Engineer Central London (IT) in London Nexus Jobs Limited

Production Environments Must have experience with JavaScript (vanilla JS, prototypes, scoping, design patterns, memory profiling). Track Any Experience Experience with the following skills would be pretty handy: Node.js or other programming languages Cros ...

Quality Assurance Developer AI Trainer in Manchester DataAnnotation

Requirements We require candidates to be proficient in either Python and/or JavaScript. You should have proficiency in at least one programming language/framework (such as JavaScript, TypeScript, Python, C, C#, C++, HTML/CSS, React, Go, Java, Kotlin, SQL, Swift, etc.). It’s essential that you can ...

Senior Growth Platform Backend Engineer

A leading cryptocurrency company is seeking a Senior Software Engineer for the Growth Platform team. You will design and maintain internal tooling, services, and platforms, enabling teams to ship more reliably while building impactful features. The role requires 5+ years of experience in backend systems and prof ...

Lead Python Backend Engineer Processing & Observability

A leading technology firm is seeking a skilled software developer to enhance their data orchestration pipeline using Python. Join the Data Intelligence Team to work on AI features, develop observability for ML applications, and mentor peers. The role offers remote flexibility, a supportive work environment, and ...

Cloud Engineer: AWS, Terraform & Serverless Innovator

A dynamic software company in London seeks a skilled developer with experience in at least one programming language such as Node.js, Python, or C#. The role offers opportunities in infrastructure automation using Terraform and working within an AWS cloud environment. Candidates should be familiar with CI practic ...

Graduate Quant Developer Greenfield Tech & Trading

An elite global trading firm is seeking a Graduate Software Developer to work on innovative projects that integrate technology, mathematics, and finance. The role emphasizes strong programming skills in languages such as Python, C++, Java, or C#. Candidates will collaborate closely with leading experts and contr ...

Low Latency Algo Trading Engineer Energy

A leading energy trading company in Greater London is seeking an experienced Algorithmic Trading Software Developer. This high-impact role involves designing and supporting trading systems for live markets, working directly with front-office teams. Ideal candidates should have strong development skills in C# or ...

Hybrid Python Backend Engineer — GenAI & Microservices

A progressive engineering consultancy in Greater London is seeking an experienced backend developer to design and build scalable Python microservices and APIs for an automated code modernization platform. This role emphasizes strong software design principles and a genuine interest in generative AI. The company ...

.NET Developer London

.NET Developer - LondonNoirGreater London**.NET Developer**(Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Established in 1962 our client is a leading global media company; its commercial arm comprises of some of t ...

C++ Developer

C++ Game Developer Location: Midlands (hybrid office attendance a few times per week) Salary: £38,000 per annum (depending on experience) Type: Permanent, Full-Time We re working with an established iGaming company who are seeking a Game Developer t ...

Senior .NET Developer

Senior .NET Developer Tech Requirements: NET, React OR Angular, SQL, £60,000-£80,000 + Bonus Oxford/Remote Harvey Nash have partnered with a global business well e ...

PHP Developer

PHP Developer Bristol – Hybrid Tuesdays, Wednesdays and Thursdays on site Circa £50,000 (DOE) + Training + Progression + Hybrid + 5 Percent Matched Pension + Holiday Excellent opportunity for an experienced PHP Developer to join a friendly ...

eDV Cleared Software Engineer (Perm/Contract)

Permanent: Up to £120,000 package Contract: Up to £750 per day (Inside IR35) We are partnering EXCLUSIVELY with a consultancy in the National Security space to find multiple Software Engineers for a long‑term project in London. Whether you are a Contractor looking for April start, o ...

Software Engineer

Are you an experienced Software Engineer with exposure to working within defence. Are you keen to work in a role where your work will make a big difference? CND are partnered with a global defence powerhouse to help build their team of Software Engineers to deliver on mission critical goals. The wo ...

Quantitative Developer Hybrid Working Up to £300,000 Base (+ Bonus)

Quantitative Developer (C++ and/or Python) Client: Elite Algorithmic Market Making Firm (HFT) Compensation: Up to £300,000 Base + Bonus Location: London (Hybrid) Overview An elite algorithmic market making firm is seeking a talented Quant ...

Quantitative Developer Hybrid Working Up to £300,000 Base (+ Bonus)

Quantitative Developer (C++ and/or Python) Client: Elite Algorithmic Market Making Firm (HFT) Compensation: Up to £300,000 Base + Bonus Location: London (Hybrid) OverviewAn elite algorithmic market making firm is seeking a talented Quantitative Devel ...

Senior Technical Consultant UK

Work with the best consultants and developers in the industry. GlideFast Consulting - Senior Technical Consultant - UK Description As a Senior Technical Consultant with GlideFast Consulting, you will work to develop, design, and own technical solutions on the ServiceNow platform. You will ...

Front End Developer in Birmingham Reed Technology

Job Opportunity Success and future growth plans mean that this opportunity is not to be missed. This position is ideal for developers with strong React.js and TypeScript experience, who are ready to contribute to greenfield projects in a fast-paced, challenging environment. The role is predominantly ...

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    Software Developer Python Javascript Jobs in United Kingdom Job Search Guide, Trends and Insights