Full Stack Developer

Job Role: Full Stack Developer - Google EcoSystem & Web Applications Job Type: Full Time - Fixed Term Contract - 12 months Location: Remote Salary: £40,000 - £50,000 DOE. G4S is a global leader in security solutions, providing trusted security services to many of the world’s most well-known companies. As part of our service, we leverage modern technology to visualize the performance of our contracts, operational teams, and key metrics. We build innovative KPI systems, HSSE reporting platforms, commercial dashboards, compliance tracking systems, automated workflows, web portals, and custom forms to support our clients worldwide. The Role We are looking for a proactive, self-motivated Full Stack Developer to join our team. Reporting directly to the Global Program & Development Manager, you will work alongside a talented team of developers to design, build, maintain, and deploy scalable solutions that transform vast amounts of contract data into actionable visual insights, while optimizing workflows and creating efficiencies.. Key Responsibilities Development & Architecture: Design, build, and maintain custom web portals, dashboards, forms, and workflow solutions across the Google Ecosystem.Data Integration & Storage: Write and optimize queries (using Google SQL) to interact with BigQuery as our primary data store.AI & Advanced Analytics: Leverage the Gemini AI API and advanced AI analytics techniques to extract, analyze, and present deep visual insights from extensive contract and operational data.Workflow Automation: Build and support integrations using JotForm Enterprise (including JotForm Apps and APIs) and Smartsheet APIs to automate reporting and business processes.Collaboration & Problem Solving: Work closely with the team to troubleshoot technical issues, refine existing systems, and continually learn and improve developer processes. Technical Skills Key Requirements & Qualifications Programming Languages: High proficiency in Google Apps Script, JavaScript, HTML5, and CSS3.AI & Analytics: High proficiency in AI analytics, integrating and leveraging the Gemini AI API to derive insights from enterprise datasets.Google Ecosystem: Deep understanding and professional experience with Google Corporate IT services (Google Workspace, Drive, Gmail, Apps Script, etc.).Database & SQL: Experience writing Google SQL queries to read and write data to/from BigQuery.Integrations & APIs: Experience working with third-party APIs and tools, particularly JotForm Enterprise and Smartsheet.UX/UI Design: A great eye for UX/UI design and solid CSS capabilities to create intuitive, clean, and modern user interfaces.Spreadsheet Proficiency: Strong knowledge of spreadsheet tools and functional formulas.Web Deployment: A solid understanding of end-to-end web application development and deployment within the Google Ecosystem. Soft Skills & Attributes Remote Work & Self-Motivation: High level of self-discipline, independence, and motivation to thrive in a remote/work-from-home setting.Professionalism: Highly professional mindset with strong communication skills suitable for working with high-profile corporate clients.Team Player: Proven ability to collaborate effectively within a distributed development team and the wider operational departments within the company.Analytical Mindset: Excellent troubleshooting skills with a curiosity to learn from challenges and continuously develop new skills.