Senior Full Stack Engineer with AI Experience

Skills

Work Experience

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Self-Employed Contract

Aug 2021 -Present

Developed new features and enhancements to update UI/UX of SaaS product using React.js and Firebase.

Implemented server-side functionalities using Nest.js and PostgreSQL, enhancing overall system performance.

Optimized database queries, resulting in 40% reduction in downtime.

Improved micro-service performance to load AI models and predict the result from API request using FastAPI

and PyTorch, resulting in 30% improvement in performance. Implemented machine learning algorithms to improve user experience, resulting in 25% increase in engagement. Saved images and videos on cloud database using AWS S3. Implemented CI/CD pipelines using Github Actions.

Handled the implementation of automated unit and

E2E tests using Jest and Cypress libraries.

Collaborated with clients to gather requirements and provide technical solutions resulting in a 100%satisfaction rate. Collaborated with the back-end team and design team to implement new functionalities and update UI.

Alexey

Petrovic

Full Stack Developer

Contact

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

Novi Sad, Vojvodina, Serbia

Profile

I'm a senior Full Stack Developer with 10

years of experience in JavaScript, TypeScript,

Node.js, Python, and PHP. I work with popular

frameworks like React, Angular, Vue,NestJS,

Express.js, FastAPI, Flask, Django, and Laravel.

Additionally, I have a strong understanding of

machine learning and artificial intelligence.

I focus on creating high-quality products that are easy to use and visually appealing, with clear and flexible code. I enjoy solving challenging problems and love learning new technologies. I also value

good communication and teamwork.

Javascript

Typescript

Python

PHP

C#

React.js

Angular

Vue.js

Next.js

Nuxt.js

React Native

Tailwind

Node.js

Express.js

Nest.js

ASP.NET

Laravel

Symfony

FastAPI

Django

MySQL

PostgreSQL

MongoDB

Firebase

Jest

Cypress

Scrum/Kanban

AWS

Docker

Kubernetes

CI/CD

Work Experience

Alexey

Petrovic

Full Stack Developer

Senior Full Stack Developer

GP Solutions Full time

Mar 2017 - Jul 2021

Developed progressive web apps with Angular, enhancing mobile user engagement by more than 50%.

Optimized existing Express.js backend code, leading to a reduction in server response time by an average of 150ms for E- commerce product.

Integrated third-party services with Laravel using RESTful APIs, which expanded the Financial platform's capabilities and enriched the user experience.

Designed and implemented a database system in

PostgreSQL that optimized storage and retrieval operations by 35%.

Created over 50 JSX components with Tailwind CSS that were reusable and contributed to a 20% increase in development speed for future projects.

Set up a project to share business logic between a web and mobile application using React and React Native.

Collaborated with a cross-functional team to integrate machine learning algorithms, resulting in a 25%improvement in data processing efficiency.

Full Stack Developer BrightMarbles Full time

Sep 2014 - Feb 2017

Implemented responsive designs resulting in a 15%increase in mobile traffic.

Refactored parts of the existing application to decrease code complexity and improve performance for Healthcare product. Implemented a JWT authentication flow for Firebase Authentication and Hasura.

Developed a mobile application in React Native to create,invite, manage, and join certain events.

Gained experience in working with Git, Bitbucket, and Agile processes.

Collaborated with clients to gather requirements and provide technical solutions resulting in a 100% satisfaction rate. Collaborated with cross-functional teams to ensure timely delivery of project milestones.

Debugged and resolved application issues to improve user experience.

Education

University of Novi Sad

Bachelor's Degree 2009 - 2014

Computer Science

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