Salary: £25,000 - 55,000 per year Requirements: Strong commercial experience with JavaScript, Node.js, Express, React, SQL, and APIs. Experience building full-stack applications from concept through to deployment with strong debugging and problem-solving skills. Knowledge of security, authentication, version control, and development best practices. Strong communication skills with the ability to work closely with technical and non-technical stakeholders. Desirable experience with PHP, SaaS products, cloud platforms, CI/CD pipelines, or mobile app development. Desirable experience with CRM integrations, telephony systems, dashboards, reporting tools, or communication platforms. Responsibilities: Build and maintain full-stack applications across web and mobile platforms using Node.js, Express, React, and SQL databases. Develop APIs and integrate with third-party systems, CRM platforms, communication tools, and automation software. Create secure, scalable business systems including portals, dashboards, reporting tools, and internal applications. Maintain and improve existing systems, including legacy applications, while ensuring clean code and smooth deployment processes. Work closely with stakeholders to turn business requirements into practical software solutions. Take ownership of projects from concept through to deployment and help shape our technology platforms. Technologies: CI/CD Cloud CRM JavaScript Mobile PHP React SQL Security Web NodeJS Support Fullstack More: We are a growing business based in Leigh-on-Sea, Essex, and this is an office-based role working 5 days per week. We offer a salary of up to £70,000 per annum, high levels of ownership and autonomy, varied and meaningful project work, direct exposure to leadership and decision-making, and career progression opportunities within our growing business. We are looking for an ambitious Software Engineer / Full Stack Developer to join us and help build impactful software solutions across web and mobile platforms. last updated 24 week of 2026