Augustine Ezinwa
Lagos
Summary
Passionate Senior AI forward web engineer with 7+ years of experience building scalable, secure, cloud-based web applications using Node.js, React.js, TypeScript, Python and AWS. Key contributor to a high-throughput, real-time messaging platform supporting more than 7 million crisis intervention conversations in the United States.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Senior Software Engineer
Montamo
Berlin, Germany
10.2024 - 12.2025
- Architected configurable notifications for 50K+ users across Android, iOS, and Web using SuprSend SDK, Node.js, Python, Kafka and GCP.
- Saved engineering time and debugging cost by 40% by integrating an AI code reviewer using the team's code convention and cursor rules.
- Solved the technician's projects matching problem in Node using an algorithm that processes skills, location(Google geocoding API), availability(React Scheduler) and project dates, solving the company's greatest pain point.
- Improved support team capacity by > 2000 requests/month by designing an AI chatbot using Node, React, WebSocket and LLM with 5 years' worth of support data.
- Switched web and mobile app security from Firebase Auth to Zitadel, ensuring seamless SSO and passkey auth for 5000+ users (staff + technicians)
- Designed AI prompts to automate FE tests and generate React.js UI components, reducing task time by 4 hours.
Senior Software Engineer
Swoop Inc
California, United States
05.2024 - 02.2025
- Upgraded the server platform on AWS from Node 16.19.1 to Node 18.20.4 with 0% downtime.
- Reduced CPU utilization from 90% to 20% by migrating the single EC2 server infrastructure to a load-balanced AWS Elastic Beanstalk.
- Resolved slowness by identifying 3+ CPU-intensive PDF processing tasks and offloading them to an AWS Lambda.
- Fixed blocking Apple and Android submission issues by upgrading our native apps from Expo SDK 49 to Expo SDK 51.
- Improved team velocity by 30% and minimized risk by using Launchdarkly feature flags to streamline feature release.
Senior Software Engineer
Authentic Art
Quebec, Canada
05.2023 - 03.2024
- Integrated authentication and authorization flows using biometrics, implementing SSO, and MFA leveraging Auth0 to secure 500+ users.
- Developed Slack apps to collect, analyze and report 2000+ daily KPIs, key metrics and app health status using Slack API, Node.js, Typescript, Webhooks and OAuth 2.0.
- Generated and customized responsive forms, charts, and UI widgets for 2000+ leads using Typescript, React.js, Next.js and Embed SDK.
- Established CI/CD pipelines using GitHub Actions, Docker and AWS Fargate to facilitate software development life cycle time (SDLC) by 30%.
Full Stack Engineer II
Crisis Text Line
New York, United States
12.2020 - 05.2023
- Built a chat messenger using React.js, Socket.IO and Node.js to support 100+ Spanish speakers.
- Created and documented Restful APIs in Node.js(Express.js) with 100% automation testing using Mocha, Chai, Postman and Swagger.
- Designed message ingestion architecture using Twillo, NestJs, GraphQL and Amazon API gateway to handle 5000+ messages.
Full Stack Engineer I
Crisis Text Line
New York, United States
08.2019 - 12.2020
- Collaborated with engineering to transform Figma designs to responsive UI and 70% better UX using React.js Styled components, HTML5 and CSS3.
- Optimized SQL queries to achieve 20% less load time for MySQL and PostgreSQL web applications.
- Implemented an ML model in Node.js, to analyze and prioritize 50K incoming messages from Twillo to reduce US suicide monthly numbers by 30%.
- Led an agile team of 5 and completed JIRA tickets for Typescript and React Testing Library backfilling work.
Junior Software Engineer
Andela
New York, United States
10.2018 - 08.2019
- Slashed cost for Andela by 50% by building an in-house LMS using Node.js(Express.js) and React.js, set up CI/CD, Eslint and E2E for the SaaS project.
- Streamlined data insights by integrating JSON data into graphs and charts using D3.js, Redux and React.js.
- Documented and maintained 100% of React.js components using storybook making life easy for teammates.
- Integrated payment gateway using Stripe to process 30000+ transactions for a fintech company.
Software Intern
Scientific Equipment Development Institute
Enugu, Nigeria
01.2013 - 10.2013
- Programmed and developed 5 PLC applications to control 2000 industrial motors for wood manufacturing.
- Optimized Javascript code, increasing company web services performance by 10%.
- Communicated blockers, updates and progress to Engineering on industrial projects.
- Trained 10 employees on using JAVA programming language as part of an information technology upskilling initiative.
- Met 3 organizational KPIs through architectural realignment of a buggy 3D product built in Java.
Education
Bachelor of Engineering - Computer Engineering
Nnamdi Azikiwe University
Awka05-2015
Skills
- Nodejs
- Python
- Reactjs
- React Native
- Javascript
- Typescript
- Flask /Django
- Nextjs
- Frontend
- Expressjs
- NestJs
- CIAM
- Auth0
- OKTA
- SSO
- Zitadel
- SQL
- MySQL
- PostgreSQL
- MongoDB
- Redis
- AWS Lambda
- AWS S3
- AWS API Gateway
- React Testing Library
- Cypress
- Jest
- Enzyme
- HTML5
- CSS3
- Tailwind
- Boostrap
- OpenAI
- Cursor
- ClaudeCode
- Git
- GitHub Actions
- Version Control
- Linux
- AWS ECS
- Docker
- Kubernetes
- Jenkins
- TDD
- Mocha
- Chai
- Playwright
- Kafka
- AWS SQS
- AWS SNS
- RabbitMQ
- RESTful APIs
- Microservices
- AI
- LLM
- Elk Stack
- Logzio
- Kibana
- Elastic Search
- Scrum
- Agile Development
- CI/CD
- Bash
- Prisma ORM
- Drizzle
- Knex
- TypeORM
- JWT Authentication/Authorization
- MFA
- Web Performance Optimization
- WCAG 20
- UI/UX
- Responsive Design
- Accessibility
- A11y
Certification
Hackerrank Certified Node.js Developer
Timeline
Senior Software Engineer
Montamo
10.2024 - 12.2025
Senior Software Engineer
Swoop Inc
05.2024 - 02.2025
Senior Software Engineer
Authentic Art
05.2023 - 03.2024
Full Stack Engineer II
Crisis Text Line
12.2020 - 05.2023
Full Stack Engineer I
Crisis Text Line
08.2019 - 12.2020
Junior Software Engineer
Andela
10.2018 - 08.2019
Software Intern
Scientific Equipment Development Institute
01.2013 - 10.2013
Bachelor of Engineering - Computer Engineering
Nnamdi Azikiwe University