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Application Support Engineer (L1L3)

Job

IntelliTask LLC

Fremont, CA (In Person)

Full-Time

Posted 3 days ago (Updated 12 hours ago) • Actively hiring

Expires 7/17/2026

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Job Description

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WEB:
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WEB:
64cb750a-2d47-4c93-8a62-7924c0f1a824-29" data-testid="conversation-turn-12" data-scroll-anchor="false" data-turn="assistant"> We are looking for a hands-on Application Support Engineer (L1 L3) to support critical production systems in a fast-paced environment. This role focuses on application-level support (not infrastructure) and requires strong SQL expertise, backend knowledge, and excellent troubleshooting skills. Key Responsibilities Provide L1 L3 production application support Troubleshoot and resolve issues with detailed RCA Write and analyze complex SQL queries for data investigation Debug and make minor backend code fixes when needed Monitor application performance and system health Participate in on-call rotation Collaborate with internal teams and external vendors Required Skills Advanced SQL (complex queries, joins, subqueries, optimization) Strong experience in Application/Production Support (L1 L3) Backend development knowledge: .NET/C# (preferred), Java or Python Database experience: MySQL / PostgreSQL Query tuning, indexing, and performance optimization Strong troubleshooting, debugging, and RCA skills Experience with Splunk, Grafana or similar monitoring tools Experience with Jira, ServiceNow (ticketing tools) Understanding of microservices & distributed systems Ability to work in a fast-paced, high-pressure environment Additional Skills Experience with ERP, Supply Chain, or Order Management applications Exposure to multiple databases (MS SQL Server, ClickHouse) Basic frontend understanding (Angular or similar) Experience in Agile/Scrum environments Strong log analysis and system monitoring skills Ability to identify patterns and proactively prevent issues What We re Looking For A proactive problem-solver with strong ownership mindset, who can quickly diagnose issues, work under pressure, and thrive in a production support environment. Apply now if you are comfortable working in a production support role with strong SQL and backend exposure.