Updated for 2026

API Engineer
Resume Example

A platform-oriented resume format for API engineers designing scalable service interfaces. Highlight API governance, performance tuning, and ecosystem management.

ATS Score
91
Excellent
Keywords · Impact · Format
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Elena Marchetti

San Francisco, CA  |  [email protected]  |  (555) 415-9271  |  linkedin.com/in/elenamarchetti
Summary

API engineer with 6 years of experience designing and scaling API platforms serving 25M monthly requests across distributed microservice architectures. Established API governance standards adopted by 10 engineering teams. Expert in API gateway management, service mesh integration, and platform-wide performance optimization.

Technical Skills
API Architecture: REST, GraphQL, gRPC, Event-Driven APIs, API Gateway Patterns
Platforms: AWS API Gateway, Apigee, Kong, Istio, Envoy
Languages: Go, Python, Java, TypeScript
Infrastructure: Kubernetes, Docker, Terraform, PostgreSQL, Redis, Kafka
Experience
Senior API Engineer - Stratosphere Platform
  • Architected an API platform handling 25M monthly requests across 42 microservices with 99.95% availability
  • Established API design standards and governance processes adopted by 10 teams, reducing API review cycle time by 65%
  • Implemented distributed rate limiting via Envoy sidecar proxies, preventing 3 cascading failures per month across the service mesh
  • Optimized API gateway routing that reduced P99 latency from 380ms to 95ms for the 15 highest-traffic endpoints
API Engineer - Beacon Data Systems
  • Designed and maintained 60+ API endpoints serving 200K daily active users with backward compatibility across 4 major versions
  • Built an API analytics platform tracking 18 performance metrics, enabling data-driven optimization that improved throughput by 40%
  • Migrated 8 legacy SOAP services to REST APIs, reducing integration complexity and cutting average response time by 55%
  • Created an internal API developer portal with interactive documentation that reduced onboarding time for 25 partner teams from 10 days to 2 days
Education
M.S. Computer Science - Stanford University
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Why This Resume Works

1
Platform scale is immediately clear

25M monthly requests across 42 microservices positions you as a platform engineer, not just a developer.

2
Governance and standards emphasized

API design standards across 10 teams shows architectural leadership beyond individual endpoint work.

3
Cascading failure prevention quantified

Preventing 3 monthly failures through rate limiting shows you protect production reliability.

Section-by-Section Breakdown

Summary

Lead with platform request volume and team adoption. API engineering is about ecosystem-wide impact.

Skills

Name gateway platforms (Apigee, Kong) and service mesh tools (Istio, Envoy). These differentiate from API developer roles.

Experience

Include request volumes, service counts, latency improvements, and team adoption metrics. Platform work demands scale numbers.

Education

CS degrees at any level work. API and platform engineering experience matters more than academic credentials.

Key Skills for API Engineer Resumes

Based on analysis of thousands of job postings, these are the most frequently required skills:

API Architecture API Gateway REST GraphQL gRPC Go Python Kubernetes Service Mesh Istio Envoy Kafka API Governance Rate Limiting Apigee Kong Terraform Performance Optimization

Common Mistakes on API Engineer Resumes

  • No platform or ecosystem metrics - API engineering is platform work. Missing service counts, team adoption, and request volumes hides your scope.
  • Confusing API engineer with API developer - Engineers focus on platform architecture, governance, and cross-team standards. Developers focus on individual endpoints.
  • Ignoring service mesh and gateway work - API gateway management, service mesh integration, and traffic management are core API engineer responsibilities.
  • No governance or standards mention - API design reviews, style guides, and consistency standards separate engineers from developers.
  • Missing backward compatibility strategy - API versioning, deprecation policies, and migration support show platform maturity.

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