Software Developer Python Javascript Jobs in UK

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API Developer and Senior Developer

Role Overview: This role focuses on designing and implementing large-scale distributed systems. You will bridge the gap between functional requirements and technical execution, ensuring that microservices are scalable, reliable, and secure while defining the standards and patterns for the d ...

Developer Support Engineer

Join to apply for the Developer Support Engineer role at Braintrust Base pay range $139,400.00/yr - $228,850.00/yr About The Company Braintrust is the AI observability platform. By connecting evals and observability in one workflow, Braintrust gives build ...

Software Engineer (Integrations)

Alpha is a leading language service provider (LSP), with a global presence and a commitment to delivering cutting-edge tech-driven solutions. We are seeking a highly skilled and motivated developer to join our team. This is an exciting opportunity to work on impactful projects, leveraging modern technologi ...

Software Engineer (Integrations)

Overview Alpha is a leading language service provider (LSP), with a global presence and a commitment to delivering cutting-edge tech-driven solutions. We are seeking a highly skilled and motivated developer to join our team. This is an exciting opportunity to work on impactful projects, leveraging ...

£200,000 base + Bonuses Quantitative Developer – Multi Strat hedge fund equities business

Overview Are you a Quantitative Developer with a passion for commodities and a desire to work directly with traders in a dynamic front-office environment? This role bridges software engineering and quantitative development within a leading hedge fund, creating tools and models for trading desks ...

Backend Python Engineer World's top 50 Algo Crypto Trader

Backend Python Engineer - World's top 50 Algo Crypto Trader Save job Our client is a proprietary, algorithmic crypto trading firm that currently ranks world’s top 50 trader on Binance’s trader leaderboard. With an average annual turnover of $5bn in the past 7 years, our client is looking ...

Quantitative Developer Systematic Trading Pod Multi Strat Hedge Fund £350k

I'm working with a hedge fund famous for high performance trading pods, who have an opening in a systematic equity trading team for a Quantitative Developer to come on board. The role would be partnering with researchers and analysts, and working at the intersection of data, research and trading sys ...

Software Engineer

Full Time Entry-level Software Engineer in consumer at Visa in Reading, UNITED KINGDOM, United Kingdom. Apply directly through the link below. At a glance: Work mode: Office Employment: Full Time Location: Reading, UNITED KINGDOM, United Kingdom E ...

Back End Web Developer

Back-End Web Developer We are seeking a talented and detail-oriented Back-End Web Developer to join our development team. In this role, you will be responsible for building, optimizing, and maintaining the server-side logic, databases, and APIs that power our clients’ websites and applications. < ...

Full Stack Engineer

This range is provided by Premier Group. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Full Stack Developer Opportunity Location: London (Office-based, collaborative team) Industry: Data Analytics / So ...

Senior C++ Developer HFT/ Trade Data (£700p/d Outside IR35)

Senior C++ Developer - HFT/ Trade Data (£700p/d Outside IR35) This role is with Volition, partnering with a Capital Markets FinTech. The Senior Engineer will develop high-performance C++ systems focused on Market/Trade Data Products. Responsibilities Own the full scope of ...

Data Analyst (PhD)

We are looking for a Data Analyst (PhD) with an advanced degree to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model. To apply to this role, you will need to be proficient in either Pyt ...

Data Analyst

We are looking for a Data Analyst to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model. To apply to this role, you will need to be proficient in either Python and/or JavaScript. Your rol ...

C#.Net Developer

About True Potential True Potential LLP is an industry leader in financial services technology, delivering award-winning software solutions to nearly 20% of UK financial advisers. The company has grown from scratch to c.£400m annual sales and over 600 head office staff, servicing over £30bn of ass ...

Java Developer, Officer

We are looking for a highly skilled and experienced Senior Java Developer to join our engineering team. The ideal candidate will be responsible for designing, developing, and maintaining high-performance, scalable, and resilient applications using modern Java technologies. This role requires strong technic ...

SharePoint Power Apps Developer

Job Overview Job Title: SharePoint Power Apps Developer Location: Portsmouth, VA Trace Systems is seeking a SharePoint Power Apps Developer to support the Norfolk Naval Shipyard CIO department (Code 109), and the associated network capabilities are currently suppor ...

Remote Data Analyst for AI Model Evaluation & Coding

A leading data analytics company is seeking a Data Analyst to evaluate AI models and enhance their quality. This remote position offers flexibility in project selection and scheduling. Candidates should be fluent in English and proficient in programming languages including Python and JavaScript. Payment starts a ...

Data Platform Engineer

As a Software Developer, you will be responsible for the core infrastructure and services that power our data ecosystem. Full-time Closes 03/12/2025 You will be a passionate and technically minded Software Developer, who will develop, enhance and support our expanding Business critical da ...

Software Engineer – AI Tooling

Jump Trading Group is committed to world class research. We empower exceptional talents in Mathematics, Physics, and Computer Science to seek scientific boundaries, push through them, and apply cutting edge research to global financial markets. Our culture is unique. Constant innovation requires fearlessne ...

Data Platform Engineer

As a Software Developer, you will be responsible for the core infrastructure and services that power our data ecosystem. Full-time Closes 28/01/2026 You will be a passionate and technically minded Software Developer, who will develop, enhance and support our expanding Business critical da ...

Data Platform Engineer

As a Software Developer, you will be responsible for the core infrastructure and services that power our data ecosystem. Full-time Closes 28/01/2026 You will be a passionate and technically minded Software Developer, who will develop, enhance and support our expanding Business critical da ...

Data Platform Engineer

As a Software Developer, you will be responsible for the core infrastructure and services that power our data ecosystem. Full-time Closes 03/12/2025 You will be a passionate and technically minded Software Developer, who will develop, enhance and support our expanding Business critical da ...

Full Stack Engineer

Senior Django / Python Full Stack Developer 6 Month Contract | Fully Remote | £550 to £650 per day A leading UK infrastructure services provider is investing heavily in technology and building a modern digital platform to transform how operational services are delivered nationwide. We are looking for a Senior Fu ...

Junior Developer

Junior .NET (C#) + React Developer Location: Onsite initially for first 6 months, then fully remote. Clydebank.Salary: Competitive + benefitsEmployment Type: Permanent A growing UK technology team is looking for a motivated Junior Full‑Stack Deve ...

Junior .NET + React Developer — Hybrid Work & Growth

Junior .NET (C#) + React Developer Location: Onsite initially for first 6 months, then fully remote. Clydebank.Salary: Competitive + benefitsEmployment Type: Permanent A growing UK technology team is looking for a motivated Junior Full‑Stack Deve ...

Appian developer London, UK London

Appian developer - London, UK - London Reference Code: -en_GBContract Type: PermanentProfessional Communities: Software EngineeringAppian Developer Location: London, UK Hybrid: 2-3 days working from office G ...

Lead Front End Developer

We’re looking for a Lead Front-End Developer to join a top software business in Exeter with more than a thousand Leisure, Tourism, and Events businesses across the globe. They’ve grown significantly over the last few years and off the back of a very successful 2025, they are now looking for a hands‑on Lead ...

Senior Engineer (Vice President)

Role As a Senior Engineer you will be responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Abou ...

Software Engineer (AVP) Belfast

Role As a Senior Engineer you will be responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. </b ...

Software Engineer (AVP) Belfast

Role As a Senior Engineer you will be responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. About the ...

Senior AI Frontend Engineer (Developer Productivity), VP

## For additional information, please review .We're seeking a Senior Frontend Engineer with a strong React/TypeScript background, passionate about crafting exceptional AI product experiences. You'll own the user-facing layer of our nextgeneration Developer Productivity platform @ Citi, transforming complex AI ca ...

Senior AI Frontend Engineer (Developer Productivity), VP

Overview We’re seeking a Senior Frontend Engineer with a strong React/TypeScript background, passionate about crafting exceptional AI product experiences. You’ll own the user-facing layer of our next generation Developer Productivity platform at Citi, transforming complex AI capabilities—from chat ...

Full Stack Developer (WordPress & AI Applications)

About UsSearchVista is a growing digital business based in Cheadle, Greater Manchester, focused on building high-performing, SEO friendly websites and AI-driven tools and workflows both for external clients and also around internal business processes. We are looking for a developer who wants ...

Full Stack Developer (WordPress & AI Applications)

About UsSearchVista is a growing digital business based in Cheadle, Greater Manchester, focused on building high-performing, SEO friendly websites and AI-driven tools and workflows both for external clients and also around internal business processes. We are looking for a developer who wants ...

Full Stack Developer

We’re looking for a Full-Stack Developer (Vibe Coder) to take ownership of building scalable systems, smart automations, and high-impact internal tools. Claude and similar AI skills are a must. This is not just a coding role. It’s a strategic position focused on solving real operati ...

Full Stack Developer (WordPress & AI Applications)

About UsSearchVista is a growing digital business based in Cheadle, Greater Manchester, focused on building high-performing, SEO friendly websites and AI-driven tools and workflows both for external clients and also around internal business processes. We are looking for a developer who wants ...

Principal Full Stack Engineer Hybrid Tech Leader

A forward-thinking consultancy in Greater London is seeking engineers passionate about coding and collaborative work. Ideal candidates should have experience in programming languages such as Python and JavaScript, expertise in cloud environments (AWS or Azure), and a desire for continuous learning and technical ...

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