Senior Support Engineer – API & SQL (Fintech)

The Mortgage Office (Applied Business Software Inc.); Huntington Beach (CA); Hybrid; USD 80,000 - 90,000; Full time

Benefits offered by this job

Base salary 80k-90k USD

Bonus

401(k) matching

Wellness programs

Employee recognition programs

Team building & on-site amenities

Job summary

The Mortgage Office is seeking a technically skilled Support Engineer to act as the critical link between our customer-facing support team and Engineering and Product teams in Huntington Beach. You will own full lifecycle of escalations, build custom SQL/API solutions, and guide Tier 1 specialists.

Required: 5+ years in technical support or QA for B2B SaaS/Fintech, strong debugging, API/SQL experience, and excellent communication. Hybrid work with competitive base pay and benefits.

Qualifications

• Bachelor’s degree in Computer Science, Information Systems, or a related technical field or equivalent work experience.
• 5+ years of experience in a technical support, support engineering, or software QA role, ideally in B2B SaaS or Fintech.
• Strong troubleshooting and debugging skills; ability to read logs, trace errors, and isolate root causes.
• Working knowledge of APIs, databases (SQL), and software integrations.
• Proficiency with bug tracking and support platforms (e.g., Azure DevOps, HubSpot CRM, or similar).
• Excellent written and verbal communication skills, with the ability to explain technical issues clearly to non-technical stakeholders.
• Ability to operate cross-functionally, building effective working relationships with Development, Product, and Customer Success teams.

Responsibilities

• Conduct thorough backend investigations on escalated issues before they reach Product or Development, including reproduction, root cause analysis, and workaround identification.
• Author detailed bug tickets and track defects through resolution, maintaining clear documentation of reproduction steps, expected behavior, and workarounds.
• Serve as the primary owner of all API, SmartView, and SQL-related support issues, diagnosing and resolving complex technical problems end-to-end.
• Develop custom solutions using SQL and internal APIs to resolve complex, customer-facing issues that fall outside standard support workflows.
• Provide technical guidance to Tier 1 Support Specialists, assisting with complex cases and building team knowledge.
• Rigorously test and reproduce escalated issues to confirm defect behavior, validate fixes, and identify interim workarounds that minimize customer impact.
• Collaborate with Engineering and Product teams by delivering well-documented, fully triaged defect reports that accelerate resolution and reduce back-and-forth.
• Communicate with customers via phone, email, or chat regarding complex or escalated support issues.

Skills

APIs knowledge

SQL databases

Bug tracking tools

Cross-functional collaboration

Communication skills

Education

Bachelor's degree in Computer Science

Tools

Azure DevOps

HubSpot CRM

Job description

The Mortgage Office is seeking a technically skilled Support Engineer to act as the critical link between our customer-facing support team and Engineering and Product teams in Huntington Beach. You will own full lifecycle of escalations, build custom SQL/API solutions, and guide Tier 1 specialists.

Required: 5+ years in technical support or QA for B2B SaaS/Fintech, strong debugging, API/SQL experience, and excellent communication. Hybrid work with competitive base pay and benefits.