lead javascript developer jobs in City of Westminster

React Native Developer - Hybrid - Outside IR35 | React Native | FinTech | JavaScript | TypeScript All potential candidates should read through the following details of this job with care before making an application. 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...

Lead Backend Developer – Node.js, TypeScript, Kafka - up to £80k Is this your next job Read the full description below to find out, and do not hesitate to make an application. Leading E-commerce Brand | Up to £80,000 | Hybrid (2 days/week in London) A leading e-commerce client is looking for a Lead Backend Developer to help shape the technical direction of a highly scalable, event-driven...

You will establish the sales process, digital presence and lead generation capability required to create consistent pipeline, convert enquiries into profitable work, and support scalable growth. The role requires someone who has previously built business development capability from first principles and can take full ownership of pipeline creation, conversion and performance tracking.

We are currently partnering with a market-leading Insurance company, to recruit a Business Development Lead. This role serves as the local partnerships "hunter" for a specific geography, responsible for developing and delivering the local partnership pipeline in line with the wider Wholesale strategy. Interested in this role You can find all the relevant information in the description...

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, Sky Q to Sky Glass, we never stand still. We optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all...

About Webigence and Spark Travel Is this your next job Read the full description below to find out, and do not hesitate to make an application. 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...

Location: 1 day remote + 1 day on-site in London Contract: Freelance, approx. 3-month rolling project Reports to: Technical Lead Rate: £250 - £350 per day Start: ASAP If you think you are the right match for the following opportunity, apply after reading the complete description. Intro We're looking for an experienced Senior Developer to join us on a short-term freelance basis, working...

Job Role: Lead Software Engineer, React Native Before applying for this role, please read the following information about this opportunity found below. Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our innovative application using React Native. Working with a...

About Aero Ready to make your application Please do read through the description at least once before clicking on Apply. A digital experience company, we sit at the intersection of insights, creativity and technology, crafting digital experiences that transform business performance. We're a small, fully remote team with big ambitions. We work hands-on with our clients, giving our teams genuine...

[Up to c. £300k Comp Package | Hybrid Working] Increase your chances of an interview by reading the following overview of this role before making an application. Role Overview We're working with a high-growth trading and digital-assets firm seeking a seasoned engineering leader to take ownership of their client-facing technology ecosystem. As the organisation expands into new markets and...

You will collaborate with our design team on feature ideation and user experience. Your role will involve building and maintaining TypeScript components using React, Node, and NextJS. Additionally, you will be responsible for translating Figma designs into modular, reusable UI elements.

At BNY, our culture allows us to run our company better and enables employees growth and success.As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine...

You will be responsible for ensuring the reliability, security, and scalability of all core systems across e-commerce, retail, and hospitality operations, translating strategic objectives into high-quality technical solutions with immediate impact. Responsibilities & Skills Lead hands-on development and architecture, coding complex components and managing integrations across all platforms.

Entity: Supply, Trading & Shipping Job Family Group: Shipping Group Job Description: Job Description: Our purpose is to deliver energy to the world, today and tomorrow. For over 100 years, BP has focused on discovering, developing, and producing oil and gas in the nations where we operate. We are one of the few companies globally that can provide governments and customers with an integrated...

About Us SharkNinja is a global product design and technology company, with a diversified portfolio of 5-star rated lifestyle solutions that positively impact people's lives in homes around the world. Powered by two trusted, global brands, Shark and Ninja, the company has a proven track record of bringing disruptive innovation to market, and developing one consumer product after another has...

Business Development Director – EU Military Partnerships Apply (by clicking the relevant button) after checking through all the related job information below. Osiris Inc. - Location: Remote (EU-based, with travel to various EU countries) - Reports to: CEO - Compensation: commensurate with experience/qualifications About Osiris Inc. Osiris Inc., founded in 2025 in the United States, is...

You will be required to lead the development and delivery of insurance business plans, focusing on Lloyd's coverholder models and future risk-carrying options. As well as provide underwriting oversight, drive strategic decision-making, and collaborate with senior stakeholders across underwriting, actuarial, finance, and distribution.

You will be part of a small, high-impact commercial team working across the UK. Decisions are made through dialogue and alignment, and we value curiosity, ownership, and continuous learning. As our new SDR, you'll work closely with Jonathan Blauenfeldt Nielsen, Head of UK&I, who leads the expansion.

Business Developer – Biomethane & Biogas - UK & Ireland Take the next step in your career now, scroll down to read the full role description and make your application. Sector: Renewable Energy | Biomethane & Biogas Contract: Full-time | Senior-level About SYSADVANCE SYSADVANCE is a growing, agile, multinational company, deploying innovative solutions for the biomethane and biogas market....

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, Sky Q to Sky Glass, we never stand still. We optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all...