Aundrey Espeleta
Senior Software Engineer — Node | TypeScript | REST APIs
Seasoned Backend-focused Full Stack Developer with 8+ years of experience building and
maintaining scalable, secure, and high-performance applications across EdTech, Healthcare, Ecommerce, and BPO sectors. Adept at designing robust backend solutions using Node.js, deploying
cloud infrastructure via AWS, and collaborating within cross-functional Agile teams. Proven track
record of delivering mission-critical features, improving system reliability, and integrating complex
APIs.
Education
Sept. 2009
- July 2013
Bachelor's Degree in Computer Science
Kochi University of Technology Japan
Basic Programming
Language C/C++
Assembly language
Web Development Software Engineering
-Cebu, Philippines
Date of birth 06/07/1993
-
Work experience
Oct. 2023 Nov. 2024
Apr. 2020 Sept. 2022
DevOps Full Stack Engineer
Zivelo Scottsdale, United States
• Developed Django REST APIs to handle sensitive healthcare
data, reducing response time by 30%.
• Accelerated backend performance by 45% by optimizing
MySQL queries and introducing Redis caching.
• Managed AWS infrastructure and implemented CI/CD
pipelines for rapid deployments.
• Maintained HIPAA compliance through secure authentication
and access logging.
Backend Engineer
Orange and Bronze Software Labs, Makati City, Philippines
• Designed policy-based microservices in Node, enhancing
transaction processing by 40%.
• Delivered modular APIs for client reporting, using GraphQL
and REST standards.
• Automated cloud data workflows with AWS Lambda and
improved cost efficiency.
• Led test strategy with Jest and ensured consistent
deployment quality.
Skills
Programming Languages
Python, JavaScript,
TypeScript, SQL, Bash
Frameworks
Node.js, Nest.js, REST,
React, Vue, Express,
Next.js
APIs & Architecture
RESTful APIs, GraphQL,
WebSockets, Microservices
Architecture, Payment
Gateways, Authentication
APIs, HIPAA Compliance
Databases
PostgreSQL, MySQL,
MongoDB, DynamoDB,
Redis
Cloud & DevOps
Nov. 2016 Mar. 2020
Jun. 2015 Oct. 2016
Backend Developer
TechSpring Innovations Toronto, Canada
• Built personalized ad delivery APIs using Node.js and Redis,
handling high-traffic volumes.
•
Integrated analytics dashboards to track KPIs and marketing
performance.
•
Reduced server costs by optimizing SQL queries and memory
usage.
•
Enabled end-to-end CI/CD and wrote extensive test coverage.
Frontend Developer
TechSpring Innovations Toronto, Canada
• Created user interfaces for retail and healthcare portals using
React.
•
Integrated UI with secure Node.sj backends and 3rd-party
payment APIs.
•
Focused on accessibility and responsive design across web
platforms.
AWS (EC2, S3, Lambda,
CloudWatch, AppSync),
Docker, Kubernetes,
Jenkins, GitHub Actions
Testing & QA:
Pytest, Jest, Mocha,
Cypress, Postman,
TDD & BDD Practices
Tools & Collaboration:
Git, GitHub, Bitbucket,
Jira, Figma, Trello,
Slack
Significant Accomplishment
EcomBridge Platform
Built a scalable analytics-driven e-commerce platform using
Node.js, React, and PostgreSQL. Increased user engagement
by 35% through real-time dashboards and personalized
recommendations.
MediSync Hub
Developed a secure, HIPAA-compliant healthcare scheduling
system using Node.js and MongoDB. Improved backend
processing speed by 40% and enhanced patient-provider
coordination.
Languages
English
Japanese
Assets
Team Collaboration
Problem Solving
Adaptability
Interests
Music, Tennis
