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Role : Senior Java Software Engineer
Location: Amherst, New York (Onsite)
Industry Type: Retail
Employment Type: Full time (8hrs/day)
About the Role:
- We are looking for an experienced Java Developer to work on a high-performance retail platform involving POS systems, device integrations, and real-time transaction processing.
- You will play a key role in enhancing system performance, scalability, and user experience. Tackle Epic Challenges: Optimize performance, memory, and synchronization using powerhouse tools like JGroups, Rhino, and Lucene.
- Redefine User Experience: Supercharge UI rendering and responsiveness with NWJS and TIBCO for a seamless, jaw-dropping interface.
- Scale Like Never Before: Refactor data handling on H2 Database Engine to unlock next-level object storage capabilities.
Key Responsibilities:
- Design, develop, and optimize Java-based applications and business logic
- Improve system performance, memory management, and concurrency handling
- Work on integrations with external systems (payment gateways, tax systems, email services, etc.)
- Enhance UI responsiveness using JavaScript, HTML/CSS, and NWJS
- Refactor and scale data handling using H2 Database
- Develop and maintain TCP/IP and REST-based APIs
- Debug and troubleshoot issues using browser tools and automation frameworks
- Collaborate with product and engineering teams for feature delivery
Required Skills:
- 4+ years of Java and JavaScript hands-on coding expertise—you’re a pro at object-oriented and event-driven programming.
- TCP/IP and API integration expertise to make systems sing.
- Hands-on experience with H2 Database, Jetty, Rhino, Lucene, and JGroups.
- GUI game-changer with NWJS, HTML/CSS, and TIBCO.
- Debugging ninja with Selenium, browser tools (Chrome/Firefox), and integration frameworks.
- Git guru thriving in fast-paced, modern workflows.
Good To Have:
- Experience with POS systems or retail applications or customer-focused systems
- Exposure to SMTP/email integrations, payment systems, or third-party services
- Familiarity with modular architecture and RESTful services
- Project management chops in high-energy environments
Interested Candidates Kindly share your resume at jaya.mathur@seventh-contact.com
