Senior Lead Engineer (Node.js) at San Francisco, CA / Frisco, TX- Hybrid (3 Days Onsite, 2 Remote)

Job Description:
Role: Senior Lead Engineer (Node.js)

Location San Francisco, CA or Frisco, TX- Hybrid (3 Days Onsite, 2 Remote)

Duration: Long Term Contract

(Retail/Ecommerce/Omnichannel- Domain Experience is Must)

Mandatory Skills:

• Strong expertise in Node.js and TypeScript for backend services.
• Experience with Nest.js (preferred), Express, or Fastify frameworks.
• Proven ability in production support, incident management, and root cause analysis.
• Familiarity with API design (REST, GraphQL) and integration troubleshooting.
• Knowledge of monitoring tools (Grafana, Prometheus, Datadog) for proactive issue detection.
• Understanding of cloud environments (Google Cloud Platform preferred; AWS/Azure acceptable).

Qualifications

• Bachelor's/Master's in Computer Science or equivalent experience.
• 5+ years in backend development with strong Node.js experience.
• 2+ years in sustainment or production support roles.
• Strong debugging and problem-solving skills.
• Familiarity with cloud platforms (Google Cloud Platform preferred; AWS/Azure acceptable).
• Excellent communication and stakeholder management skills.
  

Backend:

• Node.js, TypeScript, Nest.js (preferred), Express, Fastify
• BFF layer for React front-end integration
• API Gateway and rate-limiting strategies

API & Integration:

• REST, GraphQL, Apollo, gRPC
• Webhooks and third-party API integrations

Cloud & Infrastructure:

• Google Cloud Platform (primary), AWS/Azure knowledge is a plus
• Docker, Kubernetes (GKE), Helm
• Terraform for Infrastructure as Code

Data Stores:

• SQL: PostgreSQL, Cloud SQL
• NoSQL: Firestore, MongoDB
• Caching: Redis, Memorystore

Monitoring & Observability:

• Grafana, Prometheus, Datadog, Splunk
• Cloud Logging & Cloud Monitoring

CI/CD & DevOps:

• GitLab CI, Jenkins pipelines
• Canary releases, blue-green deployments

Security:

• OAuth2, JWT, API security best practices
• Vulnerability scanning and patching

Best Regards,
Prateek Srivastava
Excelon Solutions
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