javascript remote jobs in City of Westminster

Senior Software Engineer (London, Full-Time) Read the overview of this opportunity to understand what skills, including and relevant soft skills and software package proficiencies, are required. About Birl Launched in 2024, Birl has quickly become one of the UK's most exciting circular commerce startups, redefining how resale and recycling can drive growth rather than cost. Birl's...

Accelerant is building a new platform that will serve as the backbone of how risk is exchanged in the future. The Product & Technology team is looking for a Full Stack Software Engineer who is passionate about building high quality software systems that are valued by customers. Experience, qualification, and soft skills, have you got everything required to succeed in this opportunity Find out...

You will play a key role in building the applications and tools that surface our cloud sustainability insights to customers, contributing to our mission of making cloud computing more environmentally responsible. This role requires a product-minded developer who can own features end-to-end and will work directly with other areas of the business to build amazing things.

About Webigence and Spark Travel Skills, Experience, Qualifications, If you have the right match for this opportunity, then make sure to apply today. 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...

Software Developer (Web & Internal Tools) Please read the information in this job post thoroughly to understand exactly what is expected of potential candidates. Remote-first | UK-based up to £50,000 PA Dependent on experience We're supporting a well established UK adventure business that has recently brought its website development in-house and is now modernising internal systems and...

Software Engineer – PHP & Golang Apply fast, check the full description by scrolling below to find out the full requirements for this role. Fully Remote – Within UK PHP / Golang / JavaScript £60,000-£65,000 I've recently partnered with a leading Prop-Tech business in London who are looking to add a Software Engineer to their team who specialises in PHP & Golang! The company have seen rapid...

UX/UI + Frontend Developer While professional experience and qualifications are key for this role, make sure to check you have the preferable soft skills before applying if required. Thursday Salary: £40-£50K Thursday is a singles IRL events company that organises singles events, trips, dinners, activities, education and media. We're building technology to scale our operations and enhance the...

You will be working on a platform that automates complex data workflows used in mission critical environments. With major global partners, recent investment, and expansion across the UK, Europe, and the US, this is a chance to take ownership of quality engineering in a product that genuinely matters.

SOFTWARE ENGINEER In order to make an application, simply read through the following job description and make sure to attach relevant documents. REMOTE (OPTION TO RELLOCATE) £110K + EQUITY THE COMPANY This innovative AI startup is redefining safety and reliability in AI models. While competitors like GPT and DeepMind struggle with hallucinations and illegal content generation, this company...

About Euphoric: Take the next step in your career now, scroll down to read the full role description and make your application. Euphoric builds AI-first employee benefits administration software for the world's largest and most prestigious employers. Born out of Peppy Health — a fast-growing, category-defining Series B startup — we spun out in May 2025 to tackle a far bigger...

Senior Software Engineer Is this your next job Read the full description below to find out, and do not hesitate to make an application. Cheltenham or London (Hybrid - 2 days a week onsite) Up to £80,000 + excellent benefits We're working with a specialist secure technology consultancy supporting some of the UK's most security-conscious organisations. They're looking for a Senior Software...

You should have a passion for both science and engineering, a proven ability to deliver production-ready solutions, and a collaborative spirit to work closely with our product and research teams. Note: the role is 3-4 days per week in the office in London (based in Hammersmith).

Location Read on to fully understand what this job requires in terms of skills and experience If you are a good match, make an application. - Remote, but requirement to meet up once a month for in-person collaboration day - UK based About Akixi Akixi is a leading provider of SaaS analytics solutions for cloud-based communication platforms, helping service providers and enterprises gain...

Contic is a startup consultancy that designs, builds, and supports digital products that drive businesses forward. We work with clients of all sizes—from early-stage founders to enterprise teams—to bring ideas to life and support them long after launch. A high number of candidates may make applications for this position, so make sure to send your CV and application through as soon as...

Senior Automation QA – AI Startup (UK) | Build QA from Scratch Our client is an ambitious AI startup building cutting-edge products, and we're looking for a Senior Automation QA who can own test automation from day one. If you love greenfield challenges and want to shape the entire QA function in a fast-growing tech company, this is for you. What you'll do Build our automation frameworks and QA...

Working with a leading IT Consultancy who are on the search for a Senior .NET Developer - Paying up to £70,000 + Additional benefits - Remote with occasional client visits - Please note Candidates must be UK based - Candidates must have Security Clearance or be eligible for the clearance to apply for this role As a C#/.NET Full Stack Engineer, you'll play a crucial role in bringing client...

HTML/CSS, Python, Computer Science & Robotics Hours: 2–4 hours per week (flexible, with additional hours available) Location: Remote (online roles) and Southwark, SE London (onsite roles) Pay: Up to £25 per hour depending on experience (PAYE or Freelance) Contract Length: Flexible but at least 6–12 months About Ignite Hubs Ignite Hubs is an award-winning education charity for children and...

Inside IR35 - Six Months with possible extension £480 a day Remote We are looking for a Data Delivery Manager to join a high-impact European Centre of Excellence. Working on behalf of a global leader in consumer electronics, you will be a key player in their Marketing MSP team, driving the digital transformation of marketing operations across 16 European subsidiaries. Your goal is simple but...

You will play a key role in building the applications and tools that surface our cloud sustainability insights to customers, contributing to our mission of making cloud computing more environmentally responsible. This role requires a product-minded developer who can own features end-to-end and will work directly with other areas of the business to build amazing things.

A growing AI startup in the UK seeks a Senior Automation QA to establish test automation from ground up. This pivotal role involves building QA frameworks and leading test strategies across various platforms. Ideal candidates should have 5+ years in QA with automation, proven success in greenfield settings, and skills in Python or JavaScript. This position offers a competitive salary, equity, and...