Upstaff Sign up
Aleksey S.
🇺🇦Ukraine (UTC+02:00)
Created AtUpstaffer since December 21, 2021

Aleksey S. — Full-stack Software Engineer (React + Node.js)

Expertise in Full Stack Web.

Last verified on January 06, 2025

Core Skills

Bio Summary

- 3 years of professional experience using front-end and back-end technologies - Front-end: React, Redux, React query, Context API, React Hooks, HTML, CSS(SCSS), BEM, MaterialUI, AntDesign, Firebase, Angular 7+, RxJs - Back-end: NodeJS (Express, NestJS), REST API, Docker - Knowledge of PostgreSQL, MongoDB, MySQL databases - Intermediate English - Available ASAP

Technical Skills

JavaScript Frameworks Angular, Express, NestJS, Node.js, React
UI Frameworks, Libraries, and Browsers Ant Design, CSS, HTML, Material UI, SCSS
JavaScript Libraries and Tools Mongoose, React Hooks, React Query, React Testing Library, Redux, RxJs, Winston
Databases & Management Systems / ORM Firebase, MongoDB, MySQL, PostgreSQL, Sequelize, Typeorm
Cloud Platforms, Services & Computing AWS
Amazon Web Services AWS EC2, AWS ECR, AWS Lambda, AWS RDS (Amazon Relational Database Service), AWS S3, AWS SES (Amazon Simple Email Service), AWS SNS, AWS SQS
Methodologies, Paradigms and Patterns Agile, BEM, Scrum
Collaboration, Task & Issue Tracking Asana, Atlassian Trello, Jira
SDK / API and Integrations Context API, JWT, RESTful API, Swagger
Virtualization, Containers and Orchestration Docker
Platforms Firebase
QA, Test Automation, Security Jest, nock, React Testing Library
Mail / Network Protocols / Data transfer JWT, WebSockets
Other Technical Skills Clockify

Experience 

Fullstack JavaScript Developer

6 months (July 2021 - December 2021)

Description: The symptom management system that helps companies and educational institutions to reopen, be ahead of the COVID curve, and protect people from infectious diseases, a tool that helps create and sustain a safe environment at work and in school, manage the business processes to reduce the risks of suspending work, and arrange for the community's safety.

Responsibilities:

  • Designing and building BE services
  • Updating and implementing new UI for FE application and admin panel
  • Discussion, planning, and implementation of new features.

Technologies: React, React query, NestJS, TypeORM, Postgresql, AWS (ECS, ECR, RDS, S3), Jest, REST, Swagger

 

Back-End JavaScript developer

8 months (November 2020 - June 2021)

Description: Service for integrating the application with GitHub, Gitlab, Datadog, Sentry, PagerDuty, and Slack.

Responsibilities:

  • Implementing core features for GitHub, Gitlab integration, and Slack bot
  • Designing the architecture of backend-side services, estimating features, designing features
  • Covering all new features with unit and integration tests

Technologies: JS, NextJs, GraphQl, MongoDb, Jest

 

Fullstack JavaScript Developer

6 months (May 2020 - October 2020)

Description: Service for developers and product managers for monitoring the status of execution of tasks for projects.

Responsibilities:

  • Discussion, planning, and implementation of new features.
  • Designing the architecture of backend-side services, estimating features, designing features.
  • Created models, added new features, and endpoints

Technologies: JS, React, React Hooks, HTML, CSS(SCSS), NestJs, MySql, Firebase

 

Fullstack JavaScript Developer

6 months (November 2019 - April 2020)

Responsibilities:

  • Developing backend, frontend part of the project.
  • Connection backend to the database.
  • Product support.
  • Providing code review.

Technologies: JS, React, Express.js, MongoDB, Docker

Education 

Simon Kuznets Kharkiv National University, Enterprise economy

September 2010 - June 2016

How to hire with Upstaff

1

Talk to Our Talent Expert

Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.

2

Meet Carefully Matched Talents

Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person.

3

Validate Your Choice

Bring new talent on board with a trial period to confirm you hire the right one. There are no termination fees or hidden costs.

Why Upstaff

Upstaff is a technology partner with expertise in AI, Web3, Software, and Data. We help businesses gain competitive edge by optimizing existing systems and utilizing modern technology to fuel business growth.

Real-time project team launch

<24h

Interview First Engineers

Upstaff's network enables clients to access specialists within hours & days, streamlining the hiring process to 24-48 hours, start ASAP.

x10

Faster Talent Acquisition

Upstaff's network & platform enables clients to scale up and down blazing fast. Every hire typically is 10x faster comparing to regular recruitement workflow.

Vetted and Trusted Engineers

100%

Security And Vetting-First

AI tools and expert human reviewers in the vetting process is combined with track record & historically collected feedbacks from clients and teammates.

~50h

Save Time For Deep Vetting

In average, we save over 50 hours of client team to interview candidates for each job position. We are fueled by a passion for tech expertise, drawn from our deep understanding of the industry.

Flexible Engagement Models

Arrow

Custom Engagement Models

Flexible staffing solutions, accommodating both short-term projects and longer-term engagements, full-time & part-time

Sharing

Unique Talent Ecosystem

Candidate Staffing Platform stores data about past and present candidates, enables fast work and scalability, providing clients with valuable insights into their talent pipeline.

Transparent

$0

No Hidden Costs

Price quoted is the total price to you. No hidden or unexpected cost for for candidate placement.

x1

One Consolidated Invoice

No matter how many engineers you employ, there is only one monthly consolidated invoice.

Ready to hire Aleksey S.
or someone with similar Skills?
Looking for Someone Else? Join Upstaff access to All profiles and Individual Match
Start Hiring