Full-Stack Software Developer

HOA NGUYEN

Software Developer Full-Stack Web Services & Cloud *************@*****.***

980-***-**** Website LinkedIn GitHub

Software developer with 3+ years building web services, APIs, and data pipelines across the full SDLC.

TECHNICAL SKILLS

Programming Languages Python · Java · JavaScript · TypeScript · SQL · HTML · CSS · C# (.NET)

Web & Mobile Development React · Node.js · Express · Redux · Flutter · Django · SASS · GraphQL

AI & Machine Learning PyTorch · TensorFlow · CUDA · JSON

Databases MongoDB · SQL · Oracle · Amazon Redshift · AWS RDS · Hibernate (ORM)

Tools & Platforms AWS (VPC, EC2, RDS, S3, CloudFront) · Google Cloud · Docker · Git · GitHub Actions · Jenkins · Kubernetes · Terraform · Apache Kafka · Apollo Federation · JMeter · Selenium · JUnit · Jira · Agile/Scrum · SDLC

EXPERIENCE

Teos Technology – Software Developer – Remote Internship (Nov 2023 – Present)

Translated business requirements into a federated GraphQL API using Apollo Server, consolidating microservice data sources into a single graph and reducing redundant API calls by 30%

Integrated Apache Kafka as event-driven integration middleware, implementing Saga pattern for distributed transactions, reducing latency by 40%

Built a FAISS vector search over payment docs and logs, improving chatbot response accuracy by 25%

Load-tested with JMeter and implemented AWS auto-scaling, achieving p99 latency under 150ms for 50K+ users

Led 7-member Scrum team through 2-week sprints and agile ceremonies, conducting code reviews and building CI/CD pipelines with GitHub Actions and Jenkins

Neo Financial – Software Developer – Calgary, AB (Aug 2022 – Aug 2023)

Increased transaction reliability by 45% for 10K+ daily transactions by debugging production issues and implementing improved error handling and recovery mechanisms

Developed robust RESTful web services with real-time validation and concurrency controls, improving warehouse inventory accuracy by 25%

Built comprehensive test suites using Selenium WebDriver, JUnit, and Mockito in a TDD environment, reducing manual QA effort by 75%

Served as acting Scrum Lead for a 6-member team, running Agile ceremonies and Kanban workflows

Vog App Developers – Analyst Intern – Calgary, AB (Sep 2021 – Mar 2022)

Streamlined ETL pipelines for Oracle-to-Redshift migration, tracking and resolving 200+ Java/SQL defects and improving data quality by 50%

Developed a Java-based automation tool for data extraction and transformation, cutting processing time by 30%

Optimized Hibernate queries and fixed memory leaks, reducing system crashes by 40%

Implemented CI/CD with Jenkins and Docker on AWS, automating Kubernetes deployments via YAML

PROJECTS

School Calendar Exchange React, Node.js, GraphQL, AWS, Terraform

Built an end-to-end event management platform with GraphQL (Apollo Server), React, and Node.js, plus REST endpoints for legacy clients

Engineered AWS infrastructure-as-code using Terraform (VPC, EC2, RDS, S3, CloudFront), standardizing dev/stage/prod provisioning

Implemented blue–green deployments with Terraform and AWS, cutting release time from 2 hours to 15 minutes

Authored technical documentation (API references, developer onboarding guides) and established automated unit and integration testing, reducing onboarding effort by 70%

Gaia – Natural Medicine Assistant Python, FastAPI, GraphQL, TypeScript

Built a GraphQL API with Strawberry GraphQL and FastAPI, streaming real-time AI responses via WebSocket subscriptions alongside REST endpoints

Built frontend GraphQL integration using Apollo Client with TypeScript, implementing queries, mutations, and subscriptions with split HTTP/WebSocket transport layer

EDUCATION

Associate Degree in Software Development Southern Alberta Institute of Technology · Graduated 2022

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