> Markdown version of [/jobs/ext/4636951-full-stack-engineer](https://www.wearedevelopers.com/jobs/ext/4636951-full-stack-engineer). 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). --- # Full Stack Engineer - **Company:** ALTEN Technology USA - **Location:** Mundelein, IL, United States - **Experience:** Expert - **Salary:** $110,000 - $120,000 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Databases, PostgreSQL, Performance Tuning, Standard Sql, Database Optimization, Code Restructuring - **Published:** November 8, 2026 - **Apply:** https://www.thejobnetwork.com/job/93f3b987-2694-47b9-ac80-95d1a6c05bc5/full-stack-engineer ## About the Role This is an ideal opportunity for a Senior Developer to transition toward an Architect role, offering hands-on experience in database refactoring, system design, and technical leadership., * 7+ years of experience as full stack developer - Java \n * 5+ years of expertise in PostgreSQL database architecture, optimization, and performance tuning. \n * Proven experience refactoring applications for dedicated database environments. \n * Strong SQL, data modeling, and integration troubleshooting skills. \n * Experience with application modernization and system design. \n * Documentation and technical review experience (ability to present solutions to leadership). \n * Excellent communication and stakeholder coordination skills. ## Description We are seeking a Senior Full Stack Developer, with expertise in database optimization, application modernization, and system design to eliminate inefficiencies caused by shared database usage.