senior javascript developer jobs in London

Benefits ~9% pension contribution ~ Stock Options ~ Health Insurance etc This is your chance to perform the job you love and make a difference in society whilst doing it! Help this one-of-a-kind Social Good platform change the world by developing this one-of-a-kind eCommerce solution. The Company ~$120m VC-backed Scale-Up ~ One of the fastest-growing companies in the world ~ 'Fast Company' Most...

React Native Developer - Hybrid - Outside IR35 | React Native | FinTech | JavaScript | TypeScript We’re working with a fast-growing FinTech in London that’s building next-generation mobile products used by thousands of customers daily. They’re looking for an experienced React Native Developer to join the team on a contract basis, contributing to high-impact features across their mobile...

Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. In all...

Job Description React Native Developer - Hybrid - Outside IR35 | React Native | FinTech | JavaScript | TypeScript We’re working with a fast-growing FinTech in London that’s building next-generation mobile products used by thousands of customers daily. They’re looking for an experienced React Native Developer to join the team on a contract basis, contributing to high-impact features across their...

Full Stack Python / JavaScript Developer - London - £60k 1-2 days per week in office My prestigious financial services client is looking to expand their digital transformation team and require an experienced Full Stack Developer with strong Python & JavaScript to join them working across a range of new initiatives Core skills across Python and JavaScript with experience in Django and/or React...

Senior Software Engineer, Python, Django, ReactJS, JavaScript, PHP, Mainly Remote, Central London Senior Software Engineer (Python, Django, ReactJS) required to work for a fast growing and exciting business based in Central London. However, this role is mainly remote. We need an experienced Python Developer who is a good people person, working with client facing teams outside of Technology, and...

You will have to be comfortable moving quickly and accurately, and be brilliant at continually re-prioritizing what must be done to keep Atominvest growing at pace.

You should have a strong interest in web-based software development and additional experience in the financial services technology/ asset management space would be a bonus.

You will shape how lawyers and fund professionals interact with the product by building responsive, intuitive and reliable interfaces.

You will work closely with design, product and backend engineering to deliver high impact features in an evolving and technically ambitious environment.

A technology services provider in the UK is looking for a Senior JavaScript Developer to join their Agile Scrum team. This role involves building scalable applications while implementing modern JavaScript practices and RESTful APIs. Candidates must have over 5 years of experience with strong skills in JavaScript frameworks such as React or Angular. The position offers benefits like flexible...

Senior Full Stack Developer / Engineer (JavaScript Python API) London to £100k Opportunity to progress your career in a senior, hands-on Senior Full Stack Developer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been...

This Senior JavaScript Developer role is with a startup who are one of fastest growing in their field. They’ve just gone through a round of funding and need to up their productivity so are looking for an extra pair of hands to join their team in Mayfair. Good amount of tech on site including Python, React, Redux, and Node. Knowledge in some of these areas would be ideal and your tasks will...

ENVIRONMENT: Our client is a fast-growing international consultancy, founded in the UK, but with a strong presence in South Africa. They build software to create digital transformation solutions for a wide variety of international clients in financial institutions and multinational organizations. They combine proprietary digital platforms with their consulting, industry, and academic...

Our valued non-profit client is seeking a Senior AEM / JavaScript Developer to support the build of functional website templates, components, dynamic forms and applications using AEM and React.js! Initial 3-month contract opportunity with possibility of extension. % remote in Ottawa, ON (Eastern Standard Time). 7.5 hours per day, Monday to Friday. Part-time options may be...

You will get the chance to deliver effective solutions, driving meaningful business change for our clients, using some of the latest technology platforms.

You must be a resident in the UK and have been living continuously in the UK for the last 10 years.

You must be able to hold or gain a UK government security clearance.

Senior C# Developer / Backend Software Engineer (C# .Net) London onsite to £150k Are you an experienced backend focussed C# Developer? You could be progressing your career in a senior, hands-on role at a global Sports Trading business, earning substantial bonuses. As a Senior C# Developer within the trading engine team, you'll collaborate to design and develop real-time trading systems, you'll...

🚀 About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‑first, often highly complex software. Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‑standing third‑party clients, we’re scaling our own SaaS...

Position: Front End JavaScript Developer Apply now, read the job details by scrolling down Double check you have the necessary skills before sending an application. Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a...

You will drive key front‐end and back‐end JavaScript technology decisions and build maintainable, scalable solutions for our clients. This role offers strong opportunities for continuous learning, technical ownership, and growth as a well‐rounded developer.

You will develop modern applications using JavaScript and relevant frameworks, hosted on Microsoft Azure cloud services.

Job Description React Native Developer - Hybrid - Outside IR35 | React Native | FinTech | JavaScript | TypeScript We’re working with a fast-growing FinTech in London that’s building next-generation mobile products used by thousands of customers daily. They’re looking for an experienced React Native Developer to join the team on a contract basis, contributing to high-impact features across their...

Position: Front End JavaScript Developer Apply now, read the job details by scrolling down Double check you have the necessary skills before sending an application. Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a...