Application Support Engineer

Cresta

. Investigate, diagnose, and resolve intricate technical issues related to API integrations, databases, servers, microservice performance, web hosting, telephony and network technologies, and containerized applications.

Posted 5/14/2026full-timeRemote • 🇺🇸 United StatesJuniorMid-LevelWebsite

About the role

Key responsibilities & impact

Investigate, diagnose, and resolve intricate technical issues related to API integrations, databases, servers, microservice performance, web hosting, telephony and network technologies, and containerized applications.
Serve as the primary technical point of contact for customer inquiries, providing clear, concise, and empathetic communication via email and our support portal.
Partner closely with Engineering, Product, and Sales teams to escalate bugs, feature requests, and critical incidents, ensuring timely resolution and feedback.
Create and maintain comprehensive documentation, FAQs, and knowledge base articles to empower both customers and internal teams.
Replicate customer environments and issues to identify root causes and verify solutions.
Develop deep product knowledge, understanding architecture, functionality, and common use cases.
Identify recurring issues and contribute to process enhancements that improve the customer support experience and product quality.
Participate in a rotational on-call schedule for urgent issues outside regular business hours.

Requirements

What you’ll need

2-4 years of experience in a technical support, helpdesk, or customer-facing engineering role.
Strong problem-solving and analytical skills, with the ability to deconstruct complex issues.
Excellent written and verbal communication skills, capable of translating technical details for both technical and non-technical audiences.
Proficiency in:
Web hosting technologies.
APIs (automation, collaboration, and data extraction/changes through HTTP methods).
Application log analysis.
Experience with support ticketing systems (e.g., Zendesk, Linear, JIRA).
A customer-centric mindset with a genuine desire to deliver excellent service.
Ability to work independently and collaboratively in a fast-paced environment.

Benefits

Comp & perks

Comprehensive medical, dental, and vision coverage with plans to fit you and your family
Flexible PTO to take the time you need, when you need it
Paid parental leave for all new parents welcoming a new child
Retirement savings plan to help you plan for the future
Remote work setup budget to help you create a productive home office
Monthly wellness and communication stipend to keep you connected and balanced
In-office meal program and commuter benefits provided for onsite employees

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

API integrationsweb hosting technologiesapplication log analysisproblem-solvinganalytical skills

Soft Skills

communication skillscustomer-centric mindsetability to work independentlycollaborative skillsempathy