Senior Web Application Developer jobs in West Sussex

Most "web developers" can't do this job. Why? Because most have only ever built sites using templates WordPress themes, Shopify stores, Wix layouts. But Bounce? We didn't touch any of that. Every single line of code was written from scratch. The backend, the frontend, the pages all bespoke. We've built a fully custom third-party ticketing platform to compete with Eventbrite, Dice, and...

You will play a crucial role in designing and implementing scalable, efficient integration solutions using a range of data formats and technologies, including XML, JSON, and CSV. As an expert in XML tooling, XSLT, and data transformation, you will be responsible for ensuring data accuracy, performing complex transformations, and supporting integration and migration processes.

Please note: applications via EasyApply will not be considered. To apply, email your CV & portfolio to careers@tefl.org Department: Technology Reports to: Head of IT / Managing Director Location: Remote (UK-based) Contract: Full-time, Permanent About Us The TEFL Org is the leading provider of accredited TEFL (Teaching English as a Foreign Language) certification courses. With a global...

Application Development Manager - MS dynamics 365, Power Platform Remote with occasional travel £65,000 - £74,000 + exceptional pension + package Fruition are recruiting an Applications Development Manager for a tech for good organisation who make a genuinely positive impact on people's lives. This role will play a key role at a crucial time for the organisation as they invest in their IT...

Job Description My client is looking for a Senior Schneider Applications Engineer. Engineer Schneider BMS software packages, ensuring quality, consistency, and compliance with project specifications. Develop Schneider BMS graphics packages, creating intuitive, user-friendly interfaces aligned with client requirements. Support and mentor other members of the applications team as they learn and...

You will be working in an agile software development / scrum team with exposure to different areas of the business and teams across the globe - Meeting with decision makers, system owners, and end-users to define business requirements - Developing cutting edge products to manage the energy and efficiency of commercial buildings.

You will possess a great understanding of web design and have a passion for creating user-focused innovative and engaging digital experiences. Conducting user research and analysing data to enhance design decisions. Creating wireframes, prototypes and user flows to visualise concepts.

Senior Full Stack Engineer (Frontend Focus) Surrey – Hybrid (2 days onsite) Salary: Up to £70,000 A well-established professional services firm is expanding its Technology & Digital Advisory function and is seeking a Senior Full Stack Engineer with strong expertise in Angular to join their growing team. This is an exciting opportunity to take ownership of complex frontend solutions that...

Senior Full Stack Developer – SaaS / Field Service Platform Salary: £60,000–£70,000 Location: Ireland or UK (preferably NI or Leeds area) Work pattern: Fully flexible hybrid (remote-friendly) Our client is a homegrown SaaS success story – a multi-award-winning software company developing a powerful field service management platform used by mobile workforces across the UK and Ireland. Their...

We're looking for an Application Support Engineer to join a fast-paced tech environment where reliability, automation, and performance are everything. You'll play a key role in maintaining and improving a complex application landscape that powers mission-critical services — ensuring uptime, scalability, and compliance at all times. This role suits someone who thrives in a mixed systems...

Senior Full Stack Developer Contract type: Full time, permanent Salary: £DOE Reports to: Head of Product Engineering Direct reports: Yes (initially none, growing over time) Location: Remote-first with occasional travel to client sites or team meet-ups (typically quarterly) The successful candidate must hold British Citizenship, due to the requirement for Security Clearance. About...

You will have at least 5 years experience of developing software with Angular and/or Liferay. A degree in Engineering, Computer Science or other IT related education please (Bachelor/Master). You need to be crazy about Java-based web/enterprise application development and deployment and have experience with Java.

Senior Full-Stack Web Developer | Legal EdTech | Remote Join a leading EdTech provider delivering innovative online learning as they embark on a major transformation. As a Senior Full-Stack Web Developer, you'll design, build, and modernise scalable web applications that power our learning management systems. You'll work across ASP.NET Core, React, C#, JavaScript, and Azure. What you'll do: -...

Senior Thingworx Developer Can be based anywhere in the UK - £54,000 + excellent benefits My client is growing their PLM development team and looking for an experienced Thingworx Developer to design and enhance digital tools that connect engineering, data, and manufacturing across their business. You'll: - Develop dashboards, interfaces, and database integrations - Build and support RESTful /...

Senior Salesforce Developer - Service Cloud Location: London : (Hybrid: 2 days office-based, 3 days remote) Right to Work: Candidates must have the right to work in the UK without visa restrictions (no sponsorship offered) Our client is looking for a Senior Salesforce Developer responsible for hands-on Salesforce development and platform optimisation. This role focuses on designing and...

Job Description Your new company Join a purpose-driven organisation at the heart of a thriving community, where technology is being harnessed to transform lives. This values-led public sector organisation is embarking on a bold digital transformation journey, with a clear mission to deliver outstanding services to end-users through innovation and excellence. With a strong commitment to social...

You will possess a great understanding of web design and have a passion for creating user-focused innovative and engaging digital experiences. Conducting user research and analysing data to enhance design decisions. Creating wireframes, prototypes and user flows to visualise concepts.

Senior Full Stack Engineer (Frontend Focus) Surrey – Hybrid (2 days onsite) Salary: Up to £70,000 A well-established professional services firm is expanding its Technology & Digital Advisory function and is seeking a Senior Full Stack Engineer with strong expertise in Angular to join their growing team. This is an exciting opportunity to take ownership of complex frontend solutions that...

You will be responsible for all workflow, case management and matter management software solutions and business applications, including all web and software developments. All transactional data created by the applications and the optimissation of data management. Overseeing the financial application in conjunction with the Finance Systems Manager.

You will be responsible for all workflow, case management and matter management software solutions and business applications, including all web and software developments. All transactional data created by the applications and the optimissation of data management. Overseeing the financial application in conjunction with the Finance Systems Manager.