senior javascript developer jobs in Slough

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...

Job Description 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...

Job Description About Us: We're a forward-thinking technology company building innovative web solutions using modern development practices. Our team values continuous learning, collaboration, and cutting-edge technology to create exceptional digital experiences. Position Summary: We're seeking an enthusiastic Entry-Level JavaScript Developer to join our dynamic team on a contract basis. This is...

Job Description C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you will get your voice heard and can...

You will be expected to: ● Develop new features working with the data science ● Develop bug fixes and security patches promptly

You must be able to demonstrate the following: ● 6+ years experience full-stack development ● High proficiency with Typescript, React, Next, Azure, Pulumi and Node

You will be expected to: ● Develop new features working with the data science ● Develop bug fixes and security patches promptly

You must be able to demonstrate the following: ● 6+ years experience full-stack development ● High proficiency with Typescript, React, Next, Azure, Pulumi and Node

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.

Job Description 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 Intro We’re looking for an experienced Senior Developer to join us on a short-term freelance basis, working directly on-site with our London-based clients two days a week. We’re looking for a self-motivated...

🚀 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...

Our client is a fast-growing SaaS company building web and mobile products used worldwide for organising, engagement, and field operations. They’re small, sharp, and engineering-led — shipping fast, solving real problems, and working in a genuinely collaborative environment. They’re now adding a fourth A-player Full-Stack Developer to their tight 3-person engineering team. If you want real...

Lead Developer London - Hybrid 1/2 days in office £85,000 - £100,000 About Simmer We’re Simmer Eats, one of Europe’s fastest-growing food brands. We’ve grown 10x in the last year, and we’re building the next phase of scale on a modern commerce and technology stack. Our mission is simple: make healthy eating effortless. High-protein, great-tasting meals delivered straight to customers’ doors,...

You will be a hands-on player-coach, owning outreach and qualification while also helping to design the BDR/SDR process, playbooks and best practices.

You will use modern tools (HubSpot, Clay, Instantly, Lemlist, etc.) and AI to build signal-based, multi-channel plays that generate qualified meetings and pipeline across both partners and direct prospects.

Job Description Senior Business Development Manager – Corporate Renewable Energy & Sustainability About Renewabl Renewabl is redefining how companies procure renewable energy. Our platform helps leading corporates and utilities buy and sell cost-effective renewable energy with real impact, and track their Carbon Free Energy (CFE) scores hourly. We help customers move beyond annual...

Job Description Senior Salesforce Developer (Pathway to Technical Lead) Are you a Salesforce Developer who enjoys building high-quality solutions and is ready to take the next step in your career? We’re looking for a Senior Salesforce Developer to join our team, with a clear opportunity to progress into a Technical Lead role. You’ll remain hands-on in design and development while gradually...

Job Description Senior Python Quantitative Developer sought by a specialist and multi-award-winning Systematic Hedge Fund in a brand-new Core team designing and implementing a greenfield centralised Python/SQL/Linux/Docker platform for Backtesting, Pricing, Risk and Performance to be used across all Funds and Investment teams. Our client is an early Quantitative Investment Firm, managing around...

Job Description About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through...

Job Description Senior Economic Development Officer – Sectors & Clusters Location: Hybrid – 1–2 days in the office, with regular community engagement Pay Rate: Circa £30 per hour PAYE / £38 per hour Umbrella Contract: Interim Assignment We’re looking for an experienced and enthusiastic Senior Economic Development Officer to help drive growth and innovation across key sectors in a...

Job Description Senior Business Development Manager – Structured Cabling, Datacentre & Infrastructure Services London – City – Remote & Hybrid Working, 3 days office, 2 days home. Salary: - £55-85k + Commission + Bens (Multiple levels) Must have experiences of selling Datacentre/Structured Cabling and Infrastructure Managed Services. A global technology integrator with a long-established...

Job Description Senior Development Manager - Solar & BESS Projects London Office Location - Hybrid working pattern (3 days per week in office) Salary Depending on Candidate Experience: £85,000 - 90,000 + wider package Piper Maddox are partnered with an global industry leader in the renewable energy sector to grow their Project Development Capabilities in the UK. Our client has been at the...

Senior Full Stack Developer | C# & React | Greenfield Trading Platform | London, Hybrid | Up to £120k + Bonus, Benefits ❗Note: This role does not provide Visa Sponsorship ❗ 💹 Our client is looking for a Senior Full Stack Developer with strong expertise in C# to join them in shaping the future of financial technology and redefining trading experiences for the market. They are a dynamic Trading...