Customer Experience Engineer (APIs) - EST

Mosaic.tech

Mosaic.tech

Customer Service

Washington, DC, USA

USD 85k-108k / year

Posted on Apr 28, 2026

We’re hiring a Customer Experience Engineer (Technical) to act as the highest level of technical escalation within our Customer Experience organization.


This is a deeply technical role focused on debugging complex system issues, investigating product behavior, and partnering closely with Engineering to drive resolution and long-term improvements.


You won’t just solve tickets—you’ll analyze systems, identify root causes, and improve how we operate at scale.

The base salary range for this role is $85,000 - $108,000.

There is a strong preference to fill this role in NYC with a hybrid schedule out of our office, but we will consider exceptional candidates who are based in the EST time zone and open to working remotely.

Location Eligibility: While can be a remote position, HiBob is currently authorized to hire in the following states: CA. CO, CT, DC, FL, GA, IL, IN, KS, MA, MD, MN, NC, NH, NJ, NV, NY, OH, OK, OR, PA, RI, SC, TN, TX, UT, VA, WA.
  • 4–6+ years in Technical Support Engineering, Support Engineering, or similar roles

  • Strong SQL skills (joins, data validation, debugging datasets)

  • Deep understanding of APIs, webhooks, and integrations

  • Experience with logs and monitoring tools (e.g., Datadog, Splunk, etc.)

  • Proven experience handling high-severity technical incidents

  • Strong problem-solving mindset focused on root cause analysis

Nice To Have:

  • Experience in SaaS or microservices environments

  • Background in software development

  • Familiarity with observability and incident management practices

  • Experience building automation or internal tools

Own complex technical escalations
  • Lead investigations across APIs, integrations, webhooks, and backend systems

  • Perform root cause analysis using logs, SQL, and internal tooling

  • Reproduce issues and isolate failures across distributed environments

  • Partner with Engineering on bug triage and resolution

Debug at the system level
  • Analyze logs, traces, and database behavior to diagnose issues

  • Investigate API failures, authentication issues, and data inconsistencies

  • Work with observability tools to track incidents across services

Drive reliability and improvement
  • Identify recurring patterns and propose systemic fixes

  • Build debugging frameworks and escalation playbooks

  • Improve issue reproducibility and reduce time to resolution

  • Contribute to automation and internal tooling

Enable the broader team
  • Mentor support engineers on advanced troubleshooting techniques

  • Create technical documentation and internal knowledge resources

  • Act as a bridge between Customer Experience and Engineering