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Full Stack Developer with 5+ years of experience building and supporting production web applications, with strong strengths in React, Node.js/Express, and PostgreSQL. I have architected multi-store transaction platforms, delivered robust backend business logic, and supported end-to-end workflows from UI through APIs to database. I also bring AWS expertise (EC2, RDS, S3, Lambda/Elastic Beanstalk) and CI/CD practices to improve performance, availability, and scalability. I’m comfortable owning troubleshooting across the stack, optimizing queries for high-volume operations, and implementing secure, role-based access and audit-friendly data flows.…Full Stack Developer with 5+ years of experience building and supporting production web applications, with strong strengths in React, Node.js/Express, and PostgreSQL. I have architected multi-store transaction platforms, delivered robust backend business logic, and supported end-to-end workflows from UI through APIs to database. I also bring AWS expertise (EC2, RDS, S3, Lambda/Elastic Beanstalk) and CI/CD practices to improve performance, availability, and scalability. I’m comfortable owning troubleshooting across the stack, optimizing queries for high-volume operations, and implementing secure, role-based access and audit-friendly data flows.

SAI PRIYA GUNTUPALLI

Full Stack Developer, Web Developer, Software Engineer, +4

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Full Stack Developer with 5+ years of experience building and supporting production web applications, with strong strengths in React, Node.js/Express, and PostgreSQL. I have architected multi-store transaction platforms, delivered robust backend business logic, and supported end-to-end workflows from UI through APIs to database. I also bring AWS expertise (EC2, RDS, S3, Lambda/Elastic Beanstalk) and CI/CD practices to improve performance, availability, and scalability. I’m comfortable owning troubleshooting across the stack, optimizing queries for high-volume operations, and implementing secure, role-based access and audit-friendly data flows.…Full Stack Developer with 5+ years of experience building and supporting production web applications, with strong strengths in React, Node.js/Express, and PostgreSQL. I have architected multi-store transaction platforms, delivered robust backend business logic, and supported end-to-end workflows from UI through APIs to database. I also bring AWS expertise (EC2, RDS, S3, Lambda/Elastic Beanstalk) and CI/CD practices to improve performance, availability, and scalability. I’m comfortable owning troubleshooting across the stack, optimizing queries for high-volume operations, and implementing secure, role-based access and audit-friendly data flows.

Available to hire

Full Stack Developer with 5+ years of experience building and supporting production web applications, with strong strengths in React, Node.js/Express, and PostgreSQL. I have architected multi-store transaction platforms, delivered robust backend business logic, and supported end-to-end workflows from UI through APIs to database.

I also bring AWS expertise (EC2, RDS, S3, Lambda/Elastic Beanstalk) and CI/CD practices to improve performance, availability, and scalability. I’m comfortable owning troubleshooting across the stack, optimizing queries for high-volume operations, and implementing secure, role-based access and audit-friendly data flows.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Advanced

Work Experience

Lead Software Developer at Evergreen Traders

November 1, 2024 - Present

Developed and maintained a cloud-based multi-store Point-of-Sale platform using React, Node.js, Express, PostgreSQL, and AWS. Built and enhanced REST APIs and back-end business logic for transaction processing, employee management, cash drawers, inventory, scrap intake, quotes, and store operations. Implemented PostgreSQL transactions, validation, and audit/history workflows to maintain data consistency across financial and inventory operations. Designed and optimized database queries with indexing, filtering, and pagination for high-volume customer search, transaction history, and reporting. Added role-based and permission-based access control for employees and store operations, with store-scoped data handling. Provided end-to-end production support by tracing issues across frontend, REST APIs, business logic, and PostgreSQL. Supported automated deployments using GitHub Actions with AWS Elastic Beanstalk, S3, and RDS, investigating deployment and connectivity issues (including CORS a

April 1, 2024 - July 1, 2024

Software Developer at Greater Fredericton Social Innovation

April 1, 2024 - July 31, 2024

Created scalable full-stack web applications using React, Node.js, and TypeScript with modular, maintainable architecture. Built a Node.js service (PostGraphile) to generate GraphQL APIs from a relational PostgreSQL database to streamline frontend-backend integration. Implemented modern UI components with Material UI, delivering responsive and visually consistent user experience with updated routes and databases. Used Relay.js to upgrade GraphQL schemas/types and improved React/TypeScript rendering for nutrition/client-specific data, adding new features and updating database tables.

Programmer Analyst at Multicultural Association of Fredericton

December 1, 2023 - April 30, 2024

Developed features for an internal client management system using React, Java, Spring Boot, and MySQL for staff to manage customer profiles, service history, appointments, and case information. Built reusable React forms/components for client registration, profile updates, service tracking, and searching client records, including field validation and error handling. Implemented role-based access control to restrict staff access to sensitive client information and administrative actions. Added CSV import/export functionality for staff data migration and reporting exports. Improved search and reporting performance by optimizing MySQL queries and indexes and implemented filtering and pagination for larger datasets.

October 1, 2023 - April 1, 2024

December 1, 2022 - April 1, 2023

August 1, 2022 - December 1, 2022

Software Developer at Canadian Institute for Cybersecurity

June 1, 2022 - June 30, 2023

Built and executed reusable Angular components and services to support modular architecture and improve code maintainability. Consumed and managed asynchronous data using RxJS and observables to handle real-time updates and complex data flows. Integrated REST APIs and real-time visualization for interactive dashboards and monitoring. Used Git version control and branching strategies to manage feature development and collaborative workflows.

August 1, 2019 - July 1, 2021

Application Developer at Canadian Institute for Cybersecurity

August 1, 2019 - July 31, 2021

Developed the frontend of Deep Defender, an ML-powered network intrusion detection system, creating an Angular/TypeScript dashboard that visualizes real-time threat classifications from deep learning models across live network traffic. Implemented responsive design and accessibility standards (including WCAG). Collaborated with backend teams using Python to improve data processing and overall system performance. Contributed to internal documentation and component library standards by defining reusable Angular component APIs and CSS utility classes so new dashboard panels could be added consistently without duplicating logic.