Software Engineer United States

David Lee Software Engineer

************@*****.***

Richardson, Texas, United States

+1-214-***-****

linkedin.com/in/david-lee-5337a7364

Profile

Innovative Software Developer with strong insights into user needs and a proven talent for creating engaging new applications across a wide range of needs. Demonstrated capacity for developing scalable, efficient software products from initial conception through testing and deployment. Professional Experience

Sep 2023 – Mar 2025

Dallas, United States

RepAir Carbon Capture

Software Engineer

•Developed and maintained backend services for carbon capture systems, leveraging Python (FastAPI) and Node.js (Express.js) to build scalable, energy-efficient data processing pipelines.

•Designed IoT integrations to collect, process, and visualize real-time data from electrochemical carbon capture units, enabling precise monitoring and diagnostics.

•Implemented asynchronous job handling and event-driven architecture, using technologies like Redis, RabbitMQ, and WebSockets for responsive system performance.

•Optimized data storage and query performance in PostgreSQL and TimescaleDB, reducing latency in analytics dashboards by over 50%.

•Built internal APIs and admin tools for engineering and operations teams, streamlining workflow automation and field data collection.

•Collaborated cross-functionally with hardware, data science, and product teams to align software features with scientific and operational goals in a high-impact climate tech environment.

•Maintained high code quality standards with unit and integration testing

(PyTest, Jest), CI/CD pipelines, and containerized deployments via Docker and GitHub Actions.

Jan 2021 – Aug 2023

Palo Alto, California,

United States

ItsRapid

Fullstack Developer

•Developed event-driven microservices with Python FastAPI, Redis to handle asynchronous tasks.

•Implemented RESTful APIs to facilitate seamless communication between the frontend and backend systems.

•Integrated 3rd-party APIs to fetch the Ads data from Amazon, Walmart.

•Optimized database queries and data storage solutions, leading to improved application efficiency.

•Participated in code reviews and agile ceremonies, contributing to continuous improvement and team cohesion.

•Collaborated with cross-functional teams, including designers and product managers, to deliver features aligned with user needs. Dialexa, an IBM Company

May 2018 – Nov 2020

Dallas, Texas,

United States

Backend Developer

Nov 2015 – May 2018

Dallas, Texas,

United States

Junior Web Developer

•Progressively advanced from Junior Developer to Backend Developer, demonstrating strong growth in technical depth, system design, and delivery ownership on complex software projects.

•Contributed to backend development using Python (Django, Flask) and Node.js (Express.js, Nest.js), supporting the creation of custom digital platforms for enterprise clients in healthcare, logistics, and fintech.

•Built and maintained RESTful APIs and microservices, handling authentication, data processing, and third-party integrations (e.g., Stripe, Twilio, AWS services).

•Improved system performance by optimizing database queries

(PostgreSQL, MongoDB) and implementing asynchronous job queues with Redis and Bull.

•Collaborated in agile teams, participating in sprint planning, code reviews, and pair programming to continuously improve product quality and team velocity.

•Deployed services to cloud environments (AWS, Azure) using Docker, CI/CD pipelines (GitHub Actions, Jenkins), and infrastructure-as-code

(Terraform).

•Mentored new junior developers, sharing knowledge on code structure, Git workflows, and debugging best practices, helping accelerate onboarding and productivity.

Education

Aug 2011 – May 2015

Austin, TX, US

BACHELOR OF SCIENCE IN COMPUTER SCIENCE

The University of Texas at Austin

Awards

Sep 27, 2015 Computer Science

The University Of Texas

Skills

Python

Flask

Celery

RabbitMQ

MySQL

Docker

Git

Node.js

Nest.js

Azure

API Development

WebSockets

Unit Testing

ML/AI

Django

FastAPI

Redis

PostgreSQL

MongoDB

Kubernetes

Bash

Express.js

AWS

Microservices Architecture

Event-driven Architecture

PyTest

Infrastructure as Code

React

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