Professional Resume Template for
API Developer
Brendan K. Hayes
Denver, CO
(303) 555-0142
brendan.hayes@email.com
linkedin.com/in/brendan-hayes | github.com/brendanhayes | brendanhayes.dev
Professional Summary
Systems-oriented API Developer with 5 years of experience designing, scaling, and securing enterprise-grade integration platforms. Expertise includes building RESTful APIs, GraphQL endpoints, and event-driven architectures supporting up to 15M daily requests. Proven history of optimizing database query performance, reducing data latency by 35%, and migrating monolithic architectures to AWS microservices. Proficient in Node.js, Python, PostgreSQL, Redis, Docker, and API gateway management using Apigee. Focused on developing highly reliable, secure endpoints that streamline business processes and facilitate seamless third-party partner integrations.
Work Experience
API Developer — CloudStream Solutions
Denver, CO | April 2024 – Present
- Architected and deployed 14 REST and GraphQL microservice endpoints using Node.js and AWS Lambda, processing 8M daily requests with a 99.99% uptime record.
- Redesigned PostgreSQL databases and structured Redis caching layers, reducing API response times by 42% and database CPU utilization from 68% down to 24%.
- Integrated OAuth 2.0 and JWT token authentication via Apigee, securing sensitive data endpoints and reducing unauthorized access attempts by 99.8%.
- Automated API contract testing using Postman and Newman within GitLab CI/CD pipelines, decreasing code deployment error rates by 30% over 6 months.
Backend Developer — NexaTech Systems
Boulder, CO | June 2021 – March 2024
- Developed and maintained 22 core backend APIs in Python and FastAPI, facilitating smooth data exchange for a client base of 150K active weekly users.
- Migrated 3 legacy monolithic backend services to Dockerized microservices on AWS, reducing container deployment setup times by 45% and saving $24,000 in annual cloud hosting costs.
- Refactored SQL queries and optimized index structures in MySQL databases, speeding up bulk data extraction routines by 35% and saving 8 hours of engineering work weekly.
- Collaborated with a cross-functional team of 6 front-end engineers to implement webhooks, reducing UI state synchronization delay from 4 seconds down to 200 milliseconds.
Education
Bachelor of Science in Computer Science
Colorado Valley University · Boulder, CO · 2021
Skills
API design, REST, GraphQL, Node.js, Python, FastAPI, PostgreSQL, MySQL, Redis, AWS Lambda, Docker, Kubernetes, Apigee, Postman, OAuth 2.0, JWT, GitLab CI/CD, Webhooks, gRPC
Projects
High-Throughput Webhook System
Role: Lead API Developer
Tools: Node.js, Redis, AWS Lambda, Serverless Framework
Designed a scalable webhook delivery engine that processes 4M daily notifications, achieving 99.99% delivery rate and reducing latency to under 150ms.
GraphQL Federation Gateway
Role: Backend API Engineer
Tools: FastAPI, Docker, Apollo Router, AWS ECS
Consolidated 8 disparate backend services into a single GraphQL gateway, reducing client integration codebases by 40% and page load times by 1.2 seconds.
Certifications
- AWS Certified Developer – Associate (2023)
- MuleSoft Certified Developer – Integration Developer (2022)
Additional information
- Programming Languages: JavaScript/TypeScript, Python, SQL, Go
- Tools & Technologies: Git, Postman, Insomnia, Swagger/OpenAPI, GitLab CI/CD, AWS (Lambda, ECS, RDS, API Gateway)
- Availability: 2 weeks notice
Job Market Insights
Market data and opportunities for
API Developer
Job Market Insights
$98,000
-
$145,000
Avg:
$120,000
Growth Outlook:
The employment outlook for API Developers in the United States remains exceptionally strong, driven by the expansion of cloud services, microservices architectures, and AI integrations. The U.S. Bureau of Labor Statistics projects that employment for software developers will grow by 17% between 2023 and 2033, much faster than the average for all occupations. The critical undersupply of specialized integration engineers ensures steady demand for professionals skilled in API security, performance optimization, and cloud architecture.
17% growth over 10 years
Key Skills Required
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