Summary: Join as a Middle/Senior Full Stack Engineer (Java/React.js) to shape a beta-stage enterprise platform in purchasing and supply chain, impacting system reliability and performance. Highlights: 1. Opportunity for autonomy, fast execution, and meaningful technical growth 2. Work on an enterprise decision-making platform with real ownership 3. Collaborative, international setup with a distributed team **Important:** *after submitting your application on this platform, you’ll receive an email with the next step: completing your application on our internal site, LaunchPod. So keep an eye on your inbox and don’t miss this step — without it, the process can’t move forward.* **About the role** As a **Middle/Senior Full Stack Engineer (Java/React.js)**, you will play a key role in shaping a beta\-stage enterprise platform in the purchasing and supply chain domain, helping it mature into a scalable, production\-ready solution. This role matters because your work directly impacts system reliability, performance, and customer readiness, influencing how complex decisions are made across the product. You’ll work end to end in a modern AWS\-based environment with a distributed team across the US and Europe, gaining real ownership and visibility over the product lifecycle. It’s a strong opportunity for engineers who value autonomy, fast execution, and meaningful technical growth in a collaborative, international setup. **What you will do** * Own the implementation and improvement of end\-to\-end features across frontend and backend for a complex enterprise decision\-making platform; * Translate UX/UI designs and wireframes into intuitive, user\-friendly interfaces; * Design and develop web applications using modern JavaScript and TypeScript frameworks, React preferred; * Contribute to backend services using Java and Spring Boot, supporting reliable and scalable system behavior; * Design and consume RESTful APIs to enable frontend functionality and internal integrations; * Maintain and extend existing components with a strong focus on performance, usability, and reliability; * Collaborate closely with engineers across frontend, backend, and platform teams to deliver complete solutions; * Troubleshoot and resolve UI, integration, and performance issues across the system; * Contribute to improving coding standards, practices, and processes within the team; * Document key technical decisions and implemented components; * Participate in code reviews and support other engineers through feedback and collaboration; * Follow up on new technologies and assess pragmatic ways to adopt them in the product. **Must haves** * Strong full stack engineering background with **5\+ years of experience** building enterprise web applications, with solid knowledge of data structures, algorithms, and core software engineering principles; * Strong professional experience developing frontend applications using modern technologies such as **JavaScript**, **TypeScript**, **HTML5**, **CSS3**, **AJAX**, **React**, **Redux**, and **Webpack**, including building responsive, cross\-platform interfaces and integrating UX/UI designs into production\-ready solutions; * **3\+ years** of professional **Java** development with strong OOP proficiency, experience with **Spring Boot** and **Hibernate**, and a solid background designing and consuming **RESTful APIs** within reliable backend systems; * Hands\-on experience working with relational databases, preferably **PostgreSQL**, including designing efficient data models, writing performant queries, and exposure to NoSQL technologies such as **Redis**; * Experience working with cloud\-based environments such as **AWS**, familiarity with CI/CD pipelines and tooling, containerized systems using **Docker**, and exposure to **Kubernetes**, along with strong proficiency in **Git** and modern version\-control workflows; * Strong analytical thinking and problem\-solving skills, excellent attention to detail, effective time management, and strong verbal and written communication skills; * Upper\-intermediate English level. **Nice to haves** * Experience with **Vue.js** and or **Angular.js**; * Experience building cross\-platform responsive web applications; * Experience with **Docker** and or **Kubernetes** beyond basic exposure; * Prior experience with SCRUM or Agile methodologies; * Experience with purchasing, supply chain, or ERP systems; * Familiarity with observability, monitoring tools, and security best practices; * Experience tuning relational database performance. **About us** AgileEngine is an Inc. 5000 company that creates award\-winning software for Fortune 500 brands and trailblazing startups across 17\+ industries. We rank among the leaders in areas like application development and AI/ML, and our people\-first culture has earned us multiple Best Place to Work awards. If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! **Perks and benefits** * **Professional growth:** Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps. * **Competitive compensation:** We match your ever\-growing skills, talent, and contributions with competitive USD\-based compensation and budgets for education, fitness, and team activities. * **A selection of exciting projects:** Join projects with modern solutions development and top\-tier clients that include Fortune 500 enterprises and leading product brands. * **Flextime:** Tailor your schedule for an optimal work\-life balance, by having the options of working from home and going to the office, whatever makes you the happiest and most productive. Job Type: Full\-time