English:
Upper Intermediate
Ukraine
UTC +02:00
Ukraine/Kyiv
Senior MERN Developer with AI expertise
- Software Engineer with 7+ years of front-end/back-end development and AI expertise - Support of enterprise environment (including “health monitoring”, request processing and tracking, application support and change management). - Gathering of requirements, focusing on current risks and providing recommendations for improving the system. - Excellent code analysis, debugging, and technical problem-solving skills - Extended experience of working in an Agile environment - Experienced in requirements analysis - Hands-on with feature implementations
Want to hire this engineer?
Check if Vitalii is availableExpertise
Years of commercial development experience
7 years of experience
Core technologies
Other technologies
Project Highlights
Booker
Jun `22 - Present
3 years
SaaS which automates online booking and manages entire service infrastructure
Responsibilities & achievements
Architecture development GCP App Engine deployment Cloud Tasks to manage distributed data operations Nest.js microservices Psql for transactional data MongoDB for accumulated data
MatchFit Pass
Apr `21 - Jun `22
1 year
SaaS which provides scanner API to control the access depends on COVID inoculation certificates
Responsibilities & achievements
AWS deployment management microservice development (Nest.js; AWS-sdk) security features management (public/private key protection) database optimizations (intermediate cache levels via mviews)
Guthook Guides API
Implementation of API for hikers social network. Main API areas: checkin-API: API for efficient uploading and downloading of hiker’s checkins; social-API: API for following friends in the GuthookGuides social network; waypoins-API: API for fetching hiker’s trails and waypoints; ACL API: Role-based guards to restrict manipulations for users based on user role and access rules.
Responsibilities & achievements
Development the backend and front-end for applications via technologies: Parse Cloud Code SDK / Nest.js / Next.js/ React & Redux / FCM / Geo navigation API services Development the efficient mobile synchronization API Implementation of social network for hikers in mobile application Development of plugins for IDE (Atom) and creating an environment for developers (bash scripts for Linux/MacOs) to improve development via Parse Cloud Code DevOps manipulation for deploying application services to Fedora host and parse-on-buddy/back4app AI expertise: OpenAI (davinci-003 / gpt-3.5-turbo / gpt-4) midjourney elevenlabs (text to audio streams) GCP Vertex AI / GCP Natural language langchain vector search / similarity AWS Personalize cursor sql chat small-dev
Education
Higher education in Computer Science
Agency
10-50
GMT+2
Ukraine, Dnipro
Core Expertise
Industries
E-Commerce & Retail, Banking & Finance, Healthcare & Medicine, Branding, design, web development
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Check if Vitalii is available