Full Stack Java Support Engineer

Full Stack Java Support Engineer

Location: IN OFFICE 5 days a week - San Diego

Tillster, headquartered in the USA, is the global leader in digital ordering and customer engagement solutions. For over a decade we have developed revolutionary self‑service, ordering and payments solutions for mobile, tablet, online, kiosk, call center and more, creating personalized interactions based on consumer preferences, language, and currency. Our platform is compatible with 15+ unique POS systems, representing over 90% coverage in multi‑unit restaurants.

We offer one scalable, enterprise‑class solution to create world‑class digital engagement experiences.

• Monitor the production application and identify errors and issues before they impact customers.
• Full Stack Developer Preferred but minimum a Java expert.
• Proactive production maintenance.
• Investigate production bugs/issues with Engineering.
• Manage production incidents / outages.
• Implement application monitoring.
• Respond to and resolve application alerts.
• Support Engineering with privileged data access requests.
• Suggest product improvements and work with product management to identify new features to reduce support burden.
• Support User Acceptance Testing (UAT) and provide product feedback.
• Manage on‑call duties as scheduled. Support Customer Facing Teams (Support/TAM/SE/CS).
• Troubleshoot escalated customer issues to determine root cause and coordinate with various teams to develop solutions or workarounds.
• Identify solutions to the challenges customers are facing, either by explaining the product functionality or by developing technical workarounds.
• Validate and reproduce customer‑reported bugs and escalating to Engineering & Product.
• Perform product optimizations for specific customers, including optimizing backup or seeding speed and configuring API usage.
• Perform privileged duties in the production environment for customers, including aborting backups or seeding jobs, optimizing specific objects, adding/removing objects from backup or seeding jobs, changing master admin email address, and changing fetcher pool size for optimal application response time.
• Support Proof of Concepts (POCs) and trials, ensuring customers' issues are escalated expeditiously and reducing issues during the sales cycle.
• Improve support knowledge base and automation to enable the front‑line support teams.

• Full Stack Developer Preferred but minimum a Java expert.
• Strong Windows proficiency – a MUST.
• 2‑3+ years of experience as a support engineer, test engineer, or software engineer.
• Proven technical troubleshooting skills with solid understanding of a tech support environment.
• Experience with POS or kiosks – a plus.
• Cloud experience required; AWS and Azure preferred.
• Database knowledge – relational and object‑oriented, with PostgreSQL and MariaDB a plus.
• Intermediate SQL query knowledge.
• Knowledge of Salesforce / Service Now / Dynamics CRM – a strong advantage.
• Fluent in English – working with global teams.
• Highly customer‑oriented.
• Outstanding communication skills.
• Strong sense of urgency.
• Experience writing scripts in Java, Windows batch files, Power Shell.
• Experience with enterprise software, B2B SaaS, and/or in 24×7×365 organizations.
• Programming skills – a must.
• Social, communicative, and generally a great team player.

• Recruiter interview with a Talent Acquisition Specialist.
• Interview with the Tech Support Team.
• Interview with our VP of Engineering – Kiosk.

• Expected base salary ranges $105,000 - $125,000. Total starting compensation is determined based on applicable criteria.
• Equity: All employees within the U.S. are eligible to participate in the Stock Option Plan.
• Health Benefits: Eligible full‑time employees and dependents receive medical, dental, vision, and FSA benefits, plus health‑care and dependent‑care reimbursement programs, Employee Assistance Program, and confidential medical counseling services.
• Holidays: The company observes ten paid holidays per calendar year.
• Paid Time Off (PTO): Full‑time employees earn 15 days of PTO in the first 12 months, 22 days in subsequent years; part‑time employees earn pro‑rated PTO.
• Retire…