senior react developer jobs in East Sussex

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.

🚀 Senior Full-Stack Engineer – TypeScript / React / AWS 💰 Up to £80k | Fully Remote (UK) 💻 Tech Stack: TypeScript, Node.js, React.js, AWS ✅ Slight backend lean We’re on the hunt for a hands-on Senior Engineer to join a fast-moving team delivering real, production grade systems. This isn’t R&D or proof-of-concept work, they’re shipping cloud-native, AI-enabled products that customers actually...

You will own major parts of our user interface, working on a system with multiple interactive components, live updates from the backend, and high complexity .

You will work closely with product, design, and backend engineering to deliver a seamless, scalable, and highly performant frontend experience.

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 the increasingly...

1X2 Network, the multi-award winning iGaming supplier, is looking for a Senior Software Developer. This is an opportunity to join a highly creative, rapidly expanding independent software company. About 1X2 Network 1X2 Network has pioneered iGaming development for over 2 decades and now encompasses a number of game development studio subsidiaries. We supply a broad array of over 750 games to...

Job Description 1X2 Network, the multi-award winning iGaming supplier, is looking for a Senior Software Developer. This is an opportunity to join a highly creative, rapidly expanding independent software company. About 1X2 Network 1X2 Network has pioneered iGaming development for over 2 decades and now encompasses a number of game development studio subsidiaries. We supply a broad array of...

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

Senior Development Manager - Onshore Wind, Solar, Battery Storage Salary & Package - up to £80,000 DOE + annual bonus, car allowance, healthcare Remote Working Piper Maddox are partnering with a leader the UK renewable energy industry to hire a key addition to their project development function in 2026. This company are an IPP with a demonstrable track record in successful development,...

Insight Global is seeking a dynamic Senior Business Development Manager to join a global growth team and assist in leading the expansion of our market research solutions across key industries and regions. Key aspects of this role include: Market & Opportunity Development - Identify, qualify, and develop new business opportunities aligned with the clients global services and value...

🚀 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...

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.

You will shape how our engineers build, test, release, and monitor software, ensuring frictionless workflows while keeping ownership of business logic, test quality, and development practices firmly with the product engineering teams.

BRAND NEW ROLE - Senior Exec Level - Marine Geo Director of Business Development - Geotechnical Engineering & Geoscience Consulting About the Company Our client are a growing offshore geotechnical services and consulting unit, focused on delivering high-quality, technically robust solutions across the offshore, nearshore, and onshore environments. While offshore geotechnical investigations...

Senior Business Development Manager – Fleet Mobility Solutions Provider £50,000 basic - £55,000 basic + £25,000 OTE Uncapped + EV Company Car If you’re ready to make an impact, this is the role that puts you in the driving seat. A competitive package, a premium company car, and the chance to join a private equity-backed business on a rapid growth trajectory. Expect pace, ambition, and the kind...

Senior Development Manager - Onshore Wind, Solar, Battery Storage Increase your chances of reaching the interview stage by reading the complete job description and applying promptly. Salary & Package - up to £80,000 DOE + annual bonus, car allowance, healthcare Remote Working Piper Maddox are partnering with a leader the UK renewable energy industry to hire a key addition to their project...

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...

1X2 Network, the multi-award winning iGaming supplier, is looking for a Senior Software Developer. This is an opportunity to join a highly creative, rapidly expanding independent software company. About 1X2 Network 1X2 Network has pioneered iGaming development for over 2 decades and now encompasses a number of game development studio subsidiaries. We supply a broad array of over 750 games to...

About Prighter If you want to know about the requirements for this role, read on for all the relevant information. 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...

Senior Full-Stack Engineer – TypeScript / React / AWS Do you have the right skills and experience for this role Read on to find out, and make your application. Up to £80k | Fully Remote (UK) Tech Stack: TypeScript, Node.js, React.js, AWS Slight backend lean We're on the hunt for a hands-on Senior Engineer to join a fast-moving team delivering real, production grade systems. This isn't R&D or...

1X2 Network, the multi-award winning iGaming supplier, is looking for a Senior Software Developer. This is an opportunity to join a highly creative, rapidly expanding independent software company. About 1X2 Network 1X2 Network has pioneered iGaming development for over 2 decades and now encompasses a number of game development studio subsidiaries. We supply a broad array of over 750 games to...