Application Support Engineer

Job Title:

Application Support Engineer

Join to apply for the Application Support Engineer role at Acarin Inc

We are seeking a highly motivated and technically proficient Application Support Engineer to join our growing Customer Success team. This role is ideal for individuals who enjoy solving complex technical challenges, investigating AWS cloud‑hosted application issues, assisting customers, and serving as a crucial link between our customers and product development. You will be instrumental in ensuring a smooth and successful customer experience by transforming complex issues into clear, actionable solutions.

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

• 4+ years of experience in a technical support, AWS cloud infrastructure and applications, 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.

• AWS Cloud
• APIs (automation, collaboration, and data extraction/changes through HTTP methods)
• Network architecture and components
• Server OS and hardware troubleshooting
• Application log analysis
• Telephony signaling protocols for VOIP (SIP/SIPrec, H.323) and media control protocols (RTP)
• 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

• Experience managing or integrating SaaS applications or CCaaS platforms (e.g., Avaya, Five9, Genesys) and telephony infrastructure
• Experience with cloud‑based hyperscaler solutions (e.g., AWS S3/RDS/EKS for file repositories and databases)
• Familiarity with Kubernetes for containerized applications
• Basic scripting skills (e.g., Python, Power Shell, Bash) for automation or data analysis
• Experience with logging and monitoring tools (e.g., Datadog, Grafana, Groundcover)
• Fluency in additional languages
• A degree in Computer Science, Engineering, or a related technical field

Seniority level:
Entry level

Employment type:

Full‑time

Job function:
Information Technology