Back End Developer
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About the role
Role Overview
You’ll be a Back End Developer (Backend Engineer) for a platform that helps enterprises deploy authenticated AI agents for mission-critical workflows. The focus is on building secure infrastructure so AI can navigate authenticated environments and transform unstructured data into actionable intelligence.
Mission / Responsibilities
- Build resilient AI agent backends
- Automate complex logins including MFA
- Extract unstructured data
- Handle dynamic web interfaces (including environments without APIs)
- Engineer secure foundations
- Implement authentication workflows across diverse platforms
- Build scalable enterprise-grade APIs
- Design data infrastructure
- Create GCP-based data pipelines
- Optimize PostgreSQL performance
- Ensure data integrity at scale (millions of records)
- Ship end-to-end systems
- Develop third-party integrations
- Build testing suites
- Add observability for reliability
- Collaborate strategically
- Work with senior engineers on system architecture and product teams
Required Qualifications
- 3+ years backend engineering experience shipping production systems
- Strong Node.js/TypeScript backend skills
- Experience with REST APIs, cloud platforms (GCP/AWS/Azure), and databases
- Familiarity with Docker and CI/CD pipelines
Nice-to-Haves
- Data engineering / ETL pipeline experience
- Knowledge of OAuth and/or SAML / security protocols
- Startup experience or open-source contributions
- Monitoring tools such as Prometheus and Grafana
Additional Details
- Remote, Full-Time
- Must be authorized to work in the U.S. with no visa sponsorship
About Underdog.io -Apply to top tech jobs in 60 seconds. A place where companies apply to you
Underdog.io operates as a platform connecting candidates with top technology job opportunities. The posting is for a hiring partner building enterprise infrastructure that enables authenticated AI agents to securely access and transform data behind complex login systems.
Scraped 6/13/2026