> Markdown version of [/jobs/ext/3905014-senior-backend-developer](https://www.wearedevelopers.com/jobs/ext/3905014-senior-backend-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Backend Developer - **Company:** dentsu - **Location:** UK - **Experience:** Expert - **Salary:** £50,996.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Agile Methodology, Amazon Web Services, HTML5, Cascading Style Sheets (CSS), Mobile Application Development, Cloud Computing, Databases, Revision Control Systems, MySQL, Node.Js, Software Maintenance, Query Optimization, Redis, Standard Sql, Software Engineering, SQL Databases, Web Applications, Real Time Systems, Spring-boot, Backend, Vue.js, Web Technologies, Es2015, Software Version Control - **Published:** October 25, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5210489528 ## About the Role * Java * Spring/Spring Boot * JavaScript (ES6+) * HTML5, CSS3 * SQL or similar DB experience * Agile Experience * Version Control * API integration experience Good to have Skills : * Node JS or Vue JS * AWS or other cloud experience * Mobile app development experience * Automation QA, * Significant experience developing scalable applications and services with Java/Spring/Spring Boot, web technologies, and SQL (MySQL) * 5+ years of Software Engineering experience * Enterprise class web application experience * Competent with Version Control tools * Experience and comfort working within a dynamic and agile-focused environment * Experience with automated software testing, real-time system integration, database programming, web technologies, and cloud technologies (AWS preferred) * Working knowledge of JavaScript, Vue.js, NodeJS, Redis, or AWS experience would be a plus ## Description * Problem solve through the careful application of technology and process * Write high quality, tested, high-capacity and maintainable software * Design modern, reliable and reusable systems * Decompose complex problems into manageable tasks * Write technical specifications, run-time instructions, training materials and architecture documentation for Merkle P&LS systems * Help develop best practices, technology efficiencies, and streamline workflow * Design data models and write efficient queries in SQL * Collaborate with the wider Merkle Promotions and Loyalty teams to arrive at sound technical solutions to business problems