Upstaff Developer Profile Directory

All vetted software engineers you need to build AI, Web3, and data Products.

  • Dedicated Full-time commitment for long-term or Time& Material for shorter or ongoing support
  • Europe, Israel, LatAm, United States, Asia geography coverage
  • Remote and hybrid engagement
  • Trial period, no termination fees or hidden costs for transparent and risk-free onboarding.
JavaScript 3yr.
React 3yr.
Redux 3yr.
...

3 years of experience in development using JavaScript, React.js, HTML, CSS, SCSS, npm, Git. Success-driven team player who continually meets and exceeds goals, keeps improving and expanding his skills to become a better developer. Ready to start ASAP

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Seniority Middle (3-5 years)
Location Minsk, Belarus
JavaScript 2yr.
React 2yr.
Node.js 2yr.
macOS 3yr.
Windows 3yr.
CSS 2yr.
HTML5 2yr.
Styled components 2yr.
Express 2yr.
Redux 2yr.
DataGrip 2yr.
Atlassian Trello 2yr.
Git 2yr.
JSON API 2yr.
RESTful API 2yr.
Postman 2yr.
WebStorm 2yr.
SASS 1yr.
Ant Design
Chart.js
PostgreSQL
AWS
...

-2 years of experience in web development. Skilled in JavaScript (React and Node). Confident in HTML, CSS, integration with API - Upper-Intermediate English - Available ASAP

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Seniority Junior (1-2 years)
Location Lviv, Ukraine
Magento 2 3yr.
JavaScript 4yr.
Ajax 4yr.
CSS 4yr.
HTML5 4yr.
jQuery 4yr.
MySQL 4yr.
PHP 3yr.
Composer 3yr.
Apache HTTP Server 2yr.
KnockoutJS 1yr.
RequireJS 1yr.
Zend
AWS ElasticSearch
MariaDB
MongoDB
Redis
Nginx
Varnish
BitBucket
Git
Docker
Linux
Unix
WordPress
OOP
RESTful API
ERP integration
...

- Magento 2 backend developer with 4 years experience. - Upper-intermediate English. - Available ASAP.

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Seniority Senior (5-10 years)
Location Ukraine
PHP
JavaScript
Vue.js
Symfony
Python
Cordova
Django
Express
Node.js
Laravel
AWS ElasticSearch
Redis
SQL
Docker
Git
...

- More than 6 years of experience in web development. - Accustomed to self-education and independent problem solution. - Responsible, hard-working, result-oriented and team player.

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Seniority Senior (5-10 years)
Location Republic of Moldova
Java 8yr.
Spring Boot 6yr.
Oracle Database 6yr.
SQL 6yr.
Kotlin 1yr.
Hibernate
Spring
JavaFX
Spring Data
Spring model-view-controller (MVC) framework
Spring Security
Ktor
React
MySQL
PostgreSQL
Redis
AWS
Apache Maven
JUnit
Mockito
Atlassian Trello
Jira
Redmine
Azure DevOps Server (ex TFS Team Foundation Server)
Docker
Kubernetes
Git
Kafka
RabbitMQ
Kanban
microservices architecture
Scrum
Linux
macOS
Windows
RESTful API
DB MS SQL
...

- More than 8 years of experience in developing applications using Java - Excellent knowledge of OOP, Good knowledge of Microservices - Certificated Java and AWS Expert - Upper-Intermediate English - Available ASAP (Has planned vacation on 23.12.2022 - 7.01.2023)

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Seniority Senior (5-10 years)
Location Lviv, Ukraine
Vue.js 6yr.
Laravel 6yr.
C#
JavaScript
PHP
TypeScript
CSS
HAML
HTML
jQuery
SASS
Tailwind CSS
ES6
Webpack
Nuxt
React
Laravel Forge
Lumen
PhpStorm
Google Analytics
AWS ElasticSearch
Memcached
MySQL
PostgreSQL
Redis
AWS
DigitalOcean
Apache HTTP Server
Nginx
Atlassian Trello
Jira
Centos
Debian
Ubuntu
CircleCI
Jenkins
Docker
Vagrant
Git
OAuth
PayPal API
Stripe
Taboola
Content.ad
Google Domains
Google Drive
GrapesJS
Instagram platform
Klarna
Outbrain
PDFtk
PurgeCSS
Yahoo Gemini
...

- 6 years of commercial experience building web applications with Vue.JS and Laravel - Laravel Forge background - Upper-intermediate English - Available ASAP

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Seniority Senior (5-10 years)
Location Khmelnytskyi, Ukraine
React
React Native
JavaScript
TypeScript
Bootstrap
CSS
HTML5
LESS
Material UI
SASS
ES6
Expo
Formik
React Native Maps
React Navigation
React Query
Redux
Redux-Saga
Redux Thunk
Redux-toolkit
Vite
Webpack
Lodash
Atlassian Trello
Jira
Redmine
Axios
BEM
Docker
Eslint LinkedIn API
Facebook Auth
Google Auth
RESTful API
Git
Jest
Microsoft Visual Studio Code
WebStorm
DeepLinking
ICroper
...

- Mobile/Frontend Javascript Engineer with 5 years of experience in the IT industry - 3 years of experience creating mobile applications using React Native - Deep knowledge of JavaScript, ES6+, React, React Native, Redux, other React tools (Redux-Thunk, React-query, etc.), Material-UI, HTML5, CSS3, BEM, LESS, SASS, Bootstrap, Webpack, Vite, Jest, Lodash, Docker, Google, Facebook auth - Upper-Intermediate English - Available ASAP

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Seniority Middle (3-5 years)
Location Dnipro, Ukraine
React
Node.js
Solidity
JavaScript
Swift
GatsbyJS
React-Saga
MongoDB
Git
GraphQL
Web3
...

- 6+ years of experience as a software developer. - Andrew is a strong React developer with commercial experience of React Native and Node.js. His recent project was connected with blockchain where he performed as a Senior Developer. He was under constant scanning of his code from the client side - security and code quality. His core technology is React and the recent 6+ years his projects were connected mostly with React. - Has experience in creating interfaces for CRM systems and services for applications - Intermediate English. - Available ASAP.

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Seniority Senior (5-10 years)
Location Ukraine
Python
Django
PostgreSQL
JavaScript
Flask
pytest
MongoDB
Redis
GCP
AWS basics
Agile
Celery
Docker
Git
Daphne
Qt QML
...

- 10+ years of experience as a software developer. - Upper-Intermediate English. - Available ASAP.

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Seniority Senior (5-10 years)
Location Chile
AWS
React
Python
AI
C#
C++
Java
Ruby
TypeScript
Apache Spark
ASP.NET
.NET
.NET Core
Node.js
Apache Hadoop
Cassandra
Microsoft SQL Server
PostgreSQL
Azure
GCP
AWS big data services
AWS Lambda
Agile
Rational Unified Process (RUP)
DevOps
Docker
Kubernetes
C4 Model
CDI
DSM Matrix
FHIR
HL7
TOGAF
...

- Real experience with enterprise projects. - Experience in healthcare, real estate, financial services, legal, software, computer industries. - Practical skills in project management and software engineering, according to SAFe Agile, RUP methodology. - Upper intermediate English - Available ASAP

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Seniority Architect/Team-lead
Location Ukraine
JavaScript 3yr.
React 3yr.
Node.js 3yr.
TypeScript 3yr.
Express 3yr.
Electron 3yr.
Redux 2yr.
...

Full-stack developer with React and Node.JS key technologies. I have 3+ years of experience working on open-source projects, websites for small and big companies. All code contains documentation and passes code review from more experienced colleagues. I am continuously growing up in new technologies and improving my current skills.Ready to start ASAP.

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Seniority Middle (3-5 years)
Location Minsk, Belarus
JavaScript 6yr.
TypeScript 5yr.
Angular 5yr.
Node.js 5yr.
RxJs 5yr.
Express 4yr.
Ionic 3yr.
GraphQL 3yr.
WebSockets 3yr.
...

4+ years of web development experience with Angular, NodeJS, JavaScript, Full stack web developer in full application development life cycle including requirement analysis, designing, coding, deploying and debugging.

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Seniority Middle (3-5 years)
Location Minsk, Belarus
PHP 7yr.
Magento 4yr.
C#
C++
Delphi
JavaScript
Ajax
jQuery
Laravel
Symfony
Zend
Visual Basic .NET
AWS ElasticSearch
MongoDB
MySQL
AWS
Docker
LXC
Everhour
Jira
Redmine
RESTful API
SOAP
Varnish
Harvest
...

- 7 years of experience in IT - Upper-intermediate English - Available ASAP

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Seniority Middle (3-5 years)
Location Ukraine
React 5yr.
Node.js 4yr.
JavaScript 5yr.
TypeScript 5yr.
NPM 5yr.
React Bootstrap 5yr.
React Hooks 5yr.
Redux 5yr.
Redux Thunk 5yr.
Bootstrap 5yr.
BULMA 5yr.
CSS 5yr.
HTML5 5yr.
Material UI 5yr.
SASS 5yr.
SCSS 5yr.
Next.js 5yr.
JSON 5yr.
MongoDB 5yr.
Fabric.js 5yr.
REDUX-PERSISTENCE 5yr.
Enzyme 4yr.
Grunt 4yr.
Styled components 4yr.
Webpack 4yr.
Express 4yr.
Agile 4yr.
Kanban 4yr.
Scrum 4yr.
API 4yr.
Docker 4yr.
Git 4yr.
Jest 4yr.
REACT SUITE 4yr.
Gulp.js 3yr.
React Native 3yr.
XState 3yr.
GraphQL 3yr.
jQuery 2yr.
Figma 2yr.
Framer-motion 2yr.
Apollo Client 1yr.
Stripe 1yr.
Koa.js
Redux-Saga
Reselect
XML
Google Firebase
Vercel
Google API
GitHub
Binance API
...

- 6+ years overall experience in the IT industry as a software engineer - Experienced working with FE and BE technologies - React, Node.js, Next.js - He worked in the fields of e-commerce, e-learning, and crypto wallet and is interested in the blockchain field. - He has experience as a leader and can be both a good team player and an independent dev - Upper-Intermediate English - Available ASAP

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Seniority Senior (5-10 years)
Location Poland
Ruby on Rails 6yr.
React 2yr.
Ruby
PostgreSQL 5yr.
AWS 5yr.
MySQL 4yr.
Vue.js 3yr.
C#
ActiveRecord
Apartment (Ruby)
Capybara
Sidekiq
turbolinks
Puppeteer
WPF
AWS ElasticSearch
Redis
DigitalOcean
Heroku
AWS API
AWS Cognito
AWS EBS
AWS EC2
AWS Lambda
AWS RDS (Amazon Relational Database Service)
AWS S3
AWS SES (Amazon Simple Email Service)
OAuth
Cucumber
Cypress
PhantomJS
RSpec
Selenium Webdriver
SSO
CircleCI
Firewalls
GitHub
Github Actions
Nginx
Puma (Ruby/Rack Web Server)
Unicorn web server
Shell Scripts
Webpacker
...

- Senior Software Engineer/Team Lead (6 years of experience) - Software engineer ready for any team or business need with strong IT knowledge and natural leadership talents. - Dedicated to enabling team members to exceed business targets. - Initiating projects, setting up baseline architectures, finalizing deployment procedures & end to end development including managing costs, schedule, and performance. - Managing multiple teams to lead them to outperform others and to give positive outcomes in terms of successful milestones deliveries and project completion. - Achieved project deadlines by coordinating with contractors to manage performance. - Monitored automated build and continuous software integration process to drive build/release failure resolution. - Wrote code and developed tools and integrations to meet cross-platform user needs. - Wrote and maintained custom scripts to increase system efficiency and performance time

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Seniority Senior (5-10 years)
Location Pakistan
C#
SQL
Azure DevOps
Azure Tables
GitLab
...

Microsoft Certified Professional Developer with 15 years of commercial experience in a wide variety of applications Azure Cloud practitioner including: AppInsights, AppService, ServiceBus, MSSQL Server, CosmosDB, Azure Tables, Storage, Functions, Key Vault, ... Practical knowledge of programing languages and technologies: C#, TS, EF, SQL, Vue, xUnit, Git, VS, Rider, WebStorm, Terraform Participated in the full project life cycle: CI/CD, Azure DevOps, GitLab Strong technical skills with management abilities Experienced in working with Agile methodologies, Teams from GB and DE

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Seniority Expert (10+ years)
Location Warsaw, Poland
Java
C#
JavaScript
Ajax
Bootstrap
CSS
HTML
jQuery
XML
ASP.NET MVC Pattern
Hibernate
Spring
Spring Boot
Jackson
Java EE
Java SE
Java Server Pages (JSP)
Java Servlets
JPA
JSTL
Spring Cloud
Spring Core
Spring Data
Spring model-view-controller (MVC) framework
Spring Security
ELK stack (Elasticsearch, Logstash, Kibana)
Microsoft SQL Server
MongoDB
MySQL
PostgreSQL
AWS
Apache Maven
JUnit
Apache Tomcat
Atlassian Trello
Jira
Redmine
Docker
Docker Compose
Git
Perforce
SVN
Kafka
Kanban
microservices architecture
MVC
Scrum
Linux
macOS
Windows
RESTful API
...

- 6+ years of professional expertise in the IT industry; - Solid experience in Java and related technologies; - Hands-on experience with Microservices architecture; - Experience in the development of Enterprise applications using Java and JEE Technologies; - Database structure design and development; - Domain and business process analysis and modeling - Upper-Intermediate English - Available ASAP

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Seniority Senior (5-10 years)
Location Germany
React
Node.js
JavaScript
TypeScript
Bootstrap
CSS
HTML5
LESS
Material UI
SASS
ES6
React Query
Redux
Redux Thunk
Vite
Webpack
Express
Lodash
NestJS
PostgreSQL
AWS
GCP
API
Facebook Auth
RESTful API
Atlassian Trello
Jira
Redmine
BEM
Docker
Git
Jest
Microsoft Visual Studio Code
WebStorm
...

- 4+ years of experience in the IT industry as a full-stack engineer - FRONT-END: deep knowledge of JavaScript, ES6+, React, Redux, other React tools (Redux-Thunk, React-query, etc.), Material-UI, HTML5, CSS3, BEM, LESS, SASS, Bootstrap, Webpack, Vite, Jest, Lodash - BACK-END: Node.js, Typescript, Express.js, NestJS, REST API, Postgres, Docker, Google, Facebook auth - Intermediate English - Available ASAP

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Seniority Middle (3-5 years)
Location Ukraine
JavaScript
TypeScript
ASP.NET MVC Pattern
Entity Framework
CSS
HTML
jQuery
Socket.io
ES6
Mongoose
NPM
Passport.js
Vuex
Webpack
Express
Node.js
React
Vue.js
Firebase
Microsoft SQL Server
MongoDB
MySQL
Redis
Sequelize
SQL
Google cloud functions
Google Cloud Pub/Sub
Axios
CMake
KDevelop
Microsoft Visual Studio Code
Qt Framework
Visual Studio
Docker
Docker Swarm
Vagrant
Git
GraphQL
WebStorm API
Linux
Windows
RabbitMQ
Boost signals 2
Feathers.js
GLEW
GLFW
GLM
Nightmare.js
Open TK
Passport
SFML
...

- 3+ years of experience in IT - Advanced English - Available ASAP

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Seniority Senior (5-10 years)
Location Chernikhov, Ukraine
React 4yr.
JavaScript
C
C++
PHP
Python
Ruby
TypeScript
CSS
HTML
HTML5
SCSS
Django
ES6
Redux
Vuetify
Vuex
Express
Node.js
Vue.js
JSON
Laravel
Ruby on Rails
Firebase
MongoDB
MySQL
NaviCat
PostgreSQL
SQLite
GCP
Heroku
AWS EC2
AWS Lambda
AWS S3
Google Cloud Storage
Adobe Photoshop
Adobe XD
Agile
OOD
Scrum
Atom
Microsoft Visual Studio Code
Sublime Text
CI/CD
Git
Postman
Ubuntu
MERN stack (MongoDB, Express, React, Node)
MEVN
MongoChef
terminal
...

- 4+ years of experience in IT - As a full stack developer, I am experienced in web application developing both frontend and backend and possesses the ability to code quickly and efficiently. - Fluent English. - Available ASAP.

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Seniority Middle (3-5 years)
Location Fortaleza, Brazil
Ruby 5yr.
Ruby on Rails 4yr.
MS Paint 10yr.
Windows 10yr.
HTML5 5yr.
bundler 5yr.
802.1X 5yr.
GPS 5yr.
VLAN 5yr.
MVC 5yr.
GitHub 5yr.
Linux 5yr.
Ubuntu 5yr.
Unix 5yr.
JavaScript 4yr.
Bootstrap 4yr.
CSS 4yr.
jQuery 4yr.
SASS 4yr.
MySQL 4yr.
PostgreSQL 4yr.
SQL 4yr.
Azure VM 4yr.
SSL 4yr.
Atlassian Trello 4yr.
Bash 4yr.
PowerShell 4yr.
Shell Scripts 4yr.
Git 4yr.
Oracle VM VirtualBox 4yr.
RESTful API 4yr.
macOS 4yr.
Puma (Ruby/Rack Web Server) 4yr.
Google Drive 4yr.
USSD 4yr.
Ajax 3yr.
SCSS 3yr.
Rack 3yr.
RubyMine 3yr.
RVM 3yr.
NPM 3yr.
Heroku 3yr.
AWS S3 3yr.
HTTP 3yr.
HTTPS 3yr.
SSH 3yr.
TCP/IP 3yr.
VPN 3yr.
Adobe Photoshop 3yr.
Adobe Premiere 3yr.
RPC (Remote Procedure Call) 3yr.
RSpec 3yr.
Sublime Text 3yr.
Nginx 3yr.
Local Storage 3yr.
Capistrano 2yr.
Capybara 2yr.
Minitest 2yr.
Selenium RSpec 2yr.
React 2yr.
Sinatra 2yr.
Slim 2yr.
AWS ElasticSearch 2yr.
Redis 2yr.
AWS 2yr.
DigitalOcean 2yr.
TLS 2yr.
Agile 2yr.
SOLID 2yr.
TDD 2yr.
Jira 2yr.
Redmine 2yr.
ZSH 2yr.
Selenium Webdriver 2yr.
Test::Unit 2yr.
homebrew 2yr.
vim 2yr.
Visual Studio 2yr.
Unicorn web server 2yr.
RabbitMQ 2yr.
SharePoint 2yr.
CoffeeScript 1yr.
Python 1yr.
Canvas 1yr.
Gulp.js 1yr.
Vue.js 1yr.
Microsoft SQL Server 1yr.
Oracle Database 1yr.
OpenVPN 1yr.
Kanban 1yr.
Scrummish 1yr.
Atlassian Confluence 1yr.
BitBucket 1yr.
GitLab 1yr.
Capybara Poltergeist 1yr.
Cucumber 1yr.
Mocha 1yr.
Docker 1yr.
Vagrant 1yr.
XCode 1yr.
Linux Mint 1yr.
Travis CI 1yr.
JSDoc 1yr.
RDoc 1yr.
RPM 1yr.
SVG 1yr.
Yum 1yr.
OpenCV
React Native
MicroPython
Push notifications
SQL queries
Adobe Illustrator
Jasmine
GIMP
iPhone SDK
PC DOS
Oracle Streams
EMC Storage Arrays
Pivotal tracker
Regular expressions
Universal apps
...

- 6 years of commercial experience with Ruby on Rails ecosystem - Team Lead / Full stack (Ruby, React) software engineer - Cloud Services (AWS, Azure, Heroku) - Upper-intermediate English - Available ASAP

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Seniority Senior (5-10 years)
Location Minsk, Belarus
Laravel
...

An enthusiast web developer with strong background in building,maintaing extensible web apps

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Seniority Middle (3-5 years)
Location Bizerte, Tunisia
JavaScript
PHP
React 4yr.
ASP.NET Core Framework 1yr.
Angular
Express
MongoDB
...

Expert in HTML, CSS, SCSS, Javascript, React, NodeJs, C#(.Net Core), Typescript, frameworks(ejs and handlebars) Worked on multiple project form single page application to e-commerce website. I have 4 years full time experience using industry accepted format to write code and convert designs to web platform.

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Seniority Middle (3-5 years)
Location Lagos, Nigeria
Python 4yr.
Django 2yr.
JavaScript 2yr.
HTML 4 2yr.
Laravel
...

Python Django, PHP Laravel Python, HTML, CSS, JavaScript

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Seniority Junior (1-2 years)
Location Harare, Zimbabwe
PHP
Laravel
Docker
ELK stack (Elasticsearch, Logstash, Kibana)
JavaScript
Symfony
Node.js
React
Vue.js
PostgreSQL
Architecture and Design Patterns
Software Development
...

5 years experince in building high availability, maintainable and scaleable applications.

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Seniority Senior (5-10 years)
Location Dhaka, Bangladesh
TypeScript
JavaScript
Angular
Material UI
React Hooks
Webpack
Git
Jasmine
Karma
...

- 4 year experience

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Seniority Middle (3-5 years)
Location Ukraine
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