JavaScript Developer jobs in Warrington

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...

You will be a great fit if you: - Have 5+ years full-stack experience, with strong JavaScript/TypeScript depth. - Are backend-leaning, with deep Node. js and API experience. - Have previously worked in early-stage start-ups or very lean engineering teams. - Have extensive evidence of being a hands-on individual contributor in complex codebases.

You will be central to supporting and evolving two key pathology software systems—one in C#, the other in PHP—while also contributing to the planned consolidation into a modernised .

You will play a leading role in shaping scalable, secure cloud-based architecture while ensuring continuity of the existing systems.

Salary: £40-£45k (DOE) Reporting to: Technical Director Location: Hybrid or fully remote (UK only) Role type: Full time Who we are We're Field — a design-first Shopify Plus e-commerce agency working with premium, high-growth brands. We're a small, senior, tight-knit team of designers and developers who genuinely enjoy working together, and our retention rate (both team and clients) reflects...

You must speak, write and be able to understand fluent English. - Deep knowledge and regular usage of Firebase suite, especially Firestore. - Strong proficiency in TypeScript and modern JavaScript (ES6+).

You must enjoy constantly learning and researching to improve your level of expertise.

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 product—Spark...

About Aero 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 ownership of their work. Every project you touch will be seen by thousands of people and will directly...

Software Developer (Web & Internal Tools) 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 tooling. This is a hands on role in a small, trusted tech team, working across a customer facing web platform and the internal...

Job Title: Full-Stack Developer (Asset & Carbon Monitoring Software) Salary: £55,000–£80,000 (depending on experience) Location: Fully remote (UK) You know that decarbonisation isn't a slogan - it's a systems problem. If the data's wrong, if the assets aren't understood, if the platform can't scale, then carbon reduction becomes guesswork. This role is for a Full-Stack Developer who wants...

Location - 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 actionable insights from their telephony and collaboration data. Our solutions span Microsoft Teams, Cisco BroadWorks, Webex Calling, and...

Senior/Lead Software Engineer – Fully Remote (UK) A global B2B SaaS technology business is building out its European engineering hub and is hiring multiple Senior / Lead Software Engineers (JavaScript) to develop and enhance a mission-critical platform used internationally. These are hands-on individual contributor role with strong ownership — ideal for engineers who enjoy building high-quality...

Job Description Service Now Technical Architect £60,000 to 90,000 GBP bonus Hybrid WORKING Location: Manchester, North West - United Kingdom Type: Permanent ServiceNow Technical Architect - London / Manchester / Edinburgh Up to £90,000 DOE | SC Eligible | No Sponsorship We are seeking a highly skilled ServiceNow Technical Architect to lead the design and delivery of complex ServiceNow solutions...

You will also engage with the open-source community through GitHub issues and pull requests, helping guide usage and improve the quality of the SDKs based on real-world feedback. This role offers the chance to deepen your Go skills, work with modern tooling, and contribute to SDKs that developers rely on in production.

Technical Pre- Sales Engineer - Manchester About the Company: A fast-growing, innovative SaaS business is transforming how marketing, sales, and customer experience teams make data-driven decisions. Their AI-powered call intelligence and analytics platform is used by enterprises across the globe to optimise campaigns, improve sales performance, and enhance customer interactions. With strong...

You will collaborate across departments to map processes, develop intelligent automations, and ensure systems run reliably at scale. Key ResponsibilitiesProcess Analysis & Design - Map and document existing workflows across operational teams - Identify inefficiencies and automation opportunities

Position Overview About the Client Our client is a global leader in travel technology, powered by a team of curious, collaborative innovators who build products that help millions of people explore the world. While data and engineering excellence form the backbone of their work, the company's deeper purpose is to make travel more accessible — enabling memorable experiences, new friendships, and...

Paydock is a dynamic fintech scaleup dedicated to delivering industry-leading payment orchestration solutions to global financial institutions, major retailers, and non-profits. With teams in 11 countries, we foster a culture of innovation, collaboration, and high-performance as we push the boundaries of fintech worldwide. The Role: Junior Full Stack Software Engineer (Node.js and...

About Us We are a fast-growing fintech company building modern, scalable platforms that power real-world financial products. Our engineering culture values clean architecture, strong ownership, and pragmatic innovation. We operate in a cloud-native, microservices environment and invest heavily in frontend quality, design systems, and developer experience. The Role As a Lead Fullstack Engineer,...

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. If you join our team, here are some of things you'll be doing: - Working closely with peer engineers, product...

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 product—Spark...