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John Doe
Summary
Experienced API Developer with 7+ years of expertise in designing, building, and maintaining RESTful and GraphQL APIs. Proficient in Node.js, Python, and Java with a strong background in microservices architecture and cloud platforms. Passionate about creating scalable, secure, and well-documented APIs that drive business value and enhance developer experience.
Experience
Senior API Developer
TechConnect Solutions
June 2021 - Present, Austin, TX
Lead the design and implementation of a comprehensive API gateway solution that unified access to 15+ microservices, reducing integration complexity by 70% and improving system reliability
Architected and developed a GraphQL federation layer that consolidated data from multiple REST endpoints, resulting in a 40% reduction in frontend API calls and improved application performance
Implemented OAuth 2.0 and JWT-based authentication across all APIs, enhancing security while maintaining a seamless developer experience with comprehensive documentation
API Developer
FinTech Innovations
March 2019 - May 2021, Dallas, TX
Designed and developed RESTful APIs for a payment processing platform handling over $2M in daily transactions, achieving 99.99% uptime and sub-100ms response times
Created a comprehensive API versioning strategy that enabled seamless client migrations while maintaining backward compatibility for legacy integrations
Implemented rate limiting, caching, and request validation middleware that improved API performance by 35% and reduced server costs by 25%
Backend Developer
Cloud Systems Inc.
January 2017 - February 2019, Houston, TX
Developed and maintained RESTful APIs for a SaaS platform serving 50,000+ users, focusing on scalability and performance optimization
Collaborated with frontend teams to design intuitive API endpoints that reduced development time for new features by 30%
Implemented comprehensive API monitoring and logging using Prometheus and ELK stack, enabling rapid identification and resolution of performance bottlenecks
Education
Master of Science in Computer Science
University of Texas at Austin • Austin, TX • August 2015 - May 2017 • 3.9 GPA
Specialized in Distributed Systems and Cloud Computing
Thesis: 'Optimizing API Gateway Performance in Microservices Architectures'
Graduate Teaching Assistant for Advanced Web Development course
Bachelor of Science in Software Engineering
Minor in Data Science • Texas A&M University • College Station, TX • August 2011 - May 2015 • 3.7 GPA
Dean's List for 7 consecutive semesters
Capstone Project: 'RESTful API Design for IoT Device Management'
President of the Software Engineering Club
Projects
Open Source API Framework
GitHub • https://github.com/johndoe/api-framework • January 2022 - Present
Developed a lightweight Node.js framework for rapidly building standardized RESTful APIs with built-in validation, authentication, and documentation
Implemented automatic OpenAPI specification generation that maintains documentation in sync with code changes
Created over 20 middleware components for common API requirements including rate limiting, caching, and request validation
GraphQL Federation Demo
Personal Project • https://github.com/johndoe/graphql-federation • March 2021 - September 2021
Built a demonstration of GraphQL federation across multiple microservices using Apollo Federation
Implemented subgraph services in Node.js, Python, and Java to showcase cross-language compatibility
Created comprehensive documentation and tutorials that have been used by over 500 developers
Certifications
AWS Certified Developer - Associate
Amazon Web Services • 2025
Expertise in developing and maintaining AWS-based applications
Proficiency with AWS services including Lambda, API Gateway, and DynamoDB
Skills in implementing authentication, authorization, and secure data solutions
GraphQL Professional Certification
Apollo GraphQL • 2024
Advanced knowledge of GraphQL schema design and best practices
Expertise in implementing GraphQL federation and microservices
Proficiency in performance optimization and caching strategies
Certified Kubernetes Application Developer
Cloud Native Computing Foundation • 2024
Expertise in designing and building cloud-native applications
Proficiency in containerization and orchestration of microservices
Skills in implementing CI/CD pipelines for Kubernetes deployments
Details
Skills
RESTful API Design & Development
GraphQL API Implementation
Node.js / Express.js
Python / FastAPI / Django REST
Java / Spring Boot
API Gateway (Kong, AWS API Gateway)
OAuth 2.0 / JWT Authentication
Swagger / OpenAPI Specification
Microservices Architecture
Docker / Kubernetes
AWS / Azure / GCP
MongoDB / PostgreSQL / Redis
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