Justas Urbonas
Verified Expert in Engineering
Full-stack Developer
Justas is a software engineer with over 5 years of full-stack web and mobile development experience. He delivered high-quality code to many enterprise codebases and has grown startups to acquisition. Justas has very strong TypeScript/JavaScript and Python experience and has shipped code to AWS, GCP, Azure, and DigitalOcean using Terraform, Kubernetes, and Docker.
Portfolio
Experience
Availability
Preferred Environment
MacOS, WebStorm, PyCharm, Slack, GitHub
The most amazing...
...tool I've built is my machine learning software project using React, Next.js, and Python, currently getting more than 500,000 monthly page views.
Work Experience
Senior Full-stack Developer
NASH Renewables
- Led the development of the startup's software from the beginning to acquisition, including but not limited to the software building process, delivery, architecture, and design.
- Built a resilient architecture to serve terabytes of data within milliseconds. Developed microservice APIs using FastAPI and NestJS to serve different business needs.
- Delivered the front end using React, Mapbox.js, and Mantine UI, working closely with the design team and suggesting improvements.
Lead Full-stack Engineer
Apollo 350
- Led a news agency's front-end development and architecture of a large-scale content management system (CMS) using React, Node.js (NestJS), and GraphQL technologies.
- Developed an internal software product for creating and discovering meal plans using React, Next.js, Node.js, Puppeteer, and Elasticsearch.
- Built CI/CD pipelines and delivered code to Google Cloud Platform (GCP) stack using Google Cloud Functions, App Engine, and Compute Engine via Docker.
Senior Full-stack Developer
IBM
- Led the front-end development and delivered a green energy platform using React.
- Built and maintained a scalable Node.js API on AWS Lambda for a car manufacturing company.
- Hosted product demos, onboarded engineers, and contributed to the company with strong values and great people.
Software Engineer
Devbridge Group
- Built an internal product for managing the allocation and improving client and developer transparency using React, Node.js, and TypeORM powered by PostgreSQL.
- Delivered an IoT Bluetooth Flutter mobile application using the BLoC state management pattern, AWS Lambda, and Node.js. Deployed it to the App Store and Google Play.
- Developed a large-scale eCommerce retail application based on React, Node.js, Spring Boot, TypeORM, and PostgreSQL for managing and pricing inventory.
- Built an AngularJS mobile and web application using Spring Boot microservices for a company in the bank industry.
- Maintained and developed a prediction and supply optimization app based on Angular and Spring Boot for the retail industry client.
Experience
HowManyFPS
https://howmanyfps.comEducation
Bachelor's Degree in Computer Science
Kaunas Technology University - Kaunas, Lithuania
Skills
Libraries/APIs
React, Node.js, Redux-Saga, REST APIs, React Redux, Dask
Tools
WebStorm, PyCharm, Slack, GitHub, Traefik, Git, Terraform, Jira, Bitbucket, Jenkins, Sentry, Docker Hub
Frameworks
Flutter, Express.js, Next.js, Redux, NestJS
Languages
Python, TypeScript, JavaScript, Dart, SQL, HTML, CSS, GraphQL
Paradigms
Unit Testing, Microservices, REST
Platforms
MacOS, Docker, DigitalOcean, Kubernetes, Amazon Web Services (AWS), Google Cloud Platform (GCP), Azure, Mapbox
Storage
MongoDB, PostgreSQL, Redis, Elasticsearch, Google Cloud
Other
Web Technologies, Integration Testing, APIs, API Integration, Web Development, CI/CD Pipelines, TypeORM, Integration, UML Diagrams, FastAPI, WebSockets
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