Bistrita, Bistrita-Nasaud *****

+40-373-**-**-**

https://www.linkedin.com/in/roman-shamalo/

ad26xg@r.postjobfree.com

ROMAN SHAMALO

SUMMARY Roman Shamalo is a highly skilled and dedicated Senior Software Engineer with a strong focus on delivering high-quality solutions and taking responsibility for his work. With over 10 years of experience in the industry, Roman has a proven track record of successfully developing and implementing software solutions for a diverse range of clients. Outside of work, Roman enjoys participating in coding competitions and attending industry conferences to further enhance his skills. He believes in continuous learning and improvement, constantly seeking new challenges to expand his knowledge and expertise. EXPERIENCE SENIOR FULL STACK DEVELOPER, ROWEB

Mar 2020 - Sep 2023

- Led a team of 4 developers in a fully remote working environment, achieved the successful product release in time by managing the team in deadline-driven Agile scrum

- Orchestrated the enterprise-level web app using React/TypeScript stack with the latest React features including concurrent rendering and automatic batching resulting performance upgrade to 110.7%

- Worked with AWS API Gateway to facilitate seamless communication and integration within the microservices architecture.

- Designed the architecture of the microservice-based backend system, used AWS Lambda + API Gateway(Python), RabbitMQ and Redis cache server to minimize the work in individual task runners

- Successfully migrated serval PHP monolithic applications to Node.js/Golang microservices and used latest communication technology for microservices like gRPC, tRPC, Apache Kafka, Rabbit MQ

- Participated in code review, debugging issues, and fixing technical problems on several project and closely collaborated with the product and design teams on Agile methodology, ideated software solutions, and turned wireframes into effective code FULL STACK DEVELOPER, LINNIFY

Feb 2016 – Mar 2020

- Built a Web3 application from scratch configuring Docker, GitHub Actions and AWS EC2 to setup CI/CD

- Built beautiful-looking, pixel-perfect dashboard UIs and reusable components for large number of clients using React/Next.js + GraphQL, upgraded and enhanced the existing web app using React Hooks and Redux

- Built dozens of RESTful APIs with Node.js, Python/Django for e-commerce platform and SAAS application

- Increased web accessibility and optimized browser performance that render large quantities of data to ensure the app is user interactive and satisfying to use

- Anticipated technical issues at the product level and proactively made architectural and Page 2

design decisions

FULL STACK DEVELOPER, DCS PLUS

Feb 2014 – Feb 2016

- Created and updated over 15 small to medium sized business online stores using WordPress, Bubble.io, Squarespace and Wix

- Built RESTful APIs in NodeJS that served data to the JavaScript front-end based on dynamically chosen user inputs that handled over 100,000 concurrent users

- Developed well-tested qualified code with writing test scripts using Jest, Mocha and Cypress following TDD, achieved at 75% of test coverage. DEVELOPER INTERN, DCS PLUS

Dec 2012 – Feb 2014

- Worked with a variety of languages such as HTML, JavaScript and CSS to create user- friendly web pages

- Developed applications using PHP frameworks that leverages classical Model View Controller (MVC) architecture

EDUCATION TECHNICAL UNIVERSITY OF CLUJ-NAPOCA – 2008-2012 – BACHELORS – 3.8/4.0 Bachelor’s degree at Computer Science

LANGUAGES English, Romanian

SKILLS LANGUAGES

-JavaScript, TypeScript, PHP, Python, Java, Golang, SQL, C++ FRAMEWORKS

-Angular.js, Nuxt.js, Next.js, React Native, Bootstrap, Electron.js

-Express, Nest, Django, Flask, Spring Boot, Laravel, ASP.NET LIBRARIES

-React, Vue.js, jQuery,

DATABASE

-MYSQL, PostgreSQL, MongoDB,

TOOLS

-Git, Jira, Slack

PLATFORMS

-AWS, GCP(Google Cloud Platform), Azure, Hubspot, Zapier

-Docker Products, Kubernetes

-Shopify, Squarespace, WordPress, Magento, Wix, Bubble.io Page 3

PROJECTS J3STER

2021-2022

- https://j3ster.gg/

- J3ster is an online gambling web application that gives each streamer the ability to be challenged by their viewers. The Google Firebase Functions were used as backend and React.js was used to build front end. Also, Firebase Realtime Database were used. KIDSLOG

2020-2022

- Kidslog is a SaaS web application for kindergartens built with React.js and Nest.js. Built the project from scratch and integrated various third-party libraries and frameworks. MongoDB and AWS S3 were used. Wrote several AWS Lambda functions with Python to reduce server traffic.

PYRAMID

2019-2020

- https://pyramid.sg/

- Pyramid is an online community based in Singapore, designed for primary and secondary school students to ask and answer questions on various projects. It functions similarly to Stack Overflow, but also includes additional features for teachers and parents. The front-end was developed using React.js, while the backend was built with Express.js. For storage purposes, MySQL and AWS S3 were utilized. Stripe payment was integrated, and the entire application was Dockerized and deployed on AWS EC2. PORTION

2018-2020

- https://portion.io/

- Portion is the premier online marketplace connecting artists and collectors through Blockchain technology to easily sell, invest and own art and collectibles with compete transparency. React.js, Web3.js, ASP.Net, IPFS, PostgreSQL and AWS S3 were used. BLUETAPE

2021-2022

- https://bluetape.com

- Bluetape is a payment and financing platform for the construction industry, offering a “Buy Now, Pay Later” solution for building materials. Participated in building backend application with Golang and ASP.NET

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