Want to hire Rx js developer? Then you should know!
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Hire Rx js Developer
Meet Upstaff’s Vetted RxJs Developers
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JavaScript 4yr.
TypeScript 4yr.
Angular 3yr.
RxJs 3yr.
Windows 12yr.
NPM 4yr.
CSS 4yr.
HTML 4yr.
Git 4yr.
RESTful API 4yr.
Akita 3yr.
Webpack 3yr.
Node.js 3yr.
LESS 3yr.
SASS 3yr.
SCSS 3yr.
GitLab 3yr.
WebStorm 3yr.
Express 2yr.
GitHub 2yr.
Microsoft Visual Studio Code 2yr.
Visual Studio 2yr.
Yarn 1yr.
React 1yr.
GraphQL 1yr.
macOS 1yr.
C++
Java
MySQL
PostgreSQL
- Enthusiastic and motivated front-end developer with a Bachelor's degree in Computer Science from Belarusian State University of Informatics and Radioelectronics. - Proficient in Angular, JavaScript, TypeScript, HTML, CSS, and RxJs. - Experienced in developing single-page applications (SPA) and creating complex UI designs. - Skilled in troubleshooting and resolving issues of any complexity. - Strong knowledge of software development methodologies, principles, and patterns. - Familiar with REST API, GraphQL, and various development tools such as Git, GitLab, and Visual Studio Code. - Successfully redesigned UIs for improved user experience and optimized applications for maximum speed and scalability.
Middle (3-5 years)
JavaScript 6yr.
TypeScript 5yr.
Angular 5yr.
RxJs 5yr.
Angular Material UI 5yr.
Atlassian Trello 5yr.
Jira 4yr.
Figma 4yr.
NgRx 3yr.
Auth0 2yr.
Capacitor 2yr.
Ionic 2yr.
Azure DevOps 2yr.
Twilio 2yr.
iOS 2yr.
Bitrise 2yr.
MicroBlink 2yr.
Storybook 1yr.
WP-Rocket 1yr.
Apache Airflow 1yr.
Mixpanel 1yr.
Segment 1yr.
Bootstrap 4
Chart.js
Socket.io
Crashlytics
RequireJS
Google Maps API
GraphQL
Software Engineer with 5+ years of extensive experience in front-end development, offering a strong foundation in software engineering and programming principles across multiple platforms. Expertise in JavaScript and TypeScript with a complete command of Angular and related technologies like RxJS, NGRX, and Angular Material. Holds a track record of leading small teams and successfully managing full software development lifecycle for various projects. Demonstrated ability to optimize application performance, manage CI/CD pipelines, and integrate analytic tools to enhance user experience. Technical acumen accentuated by hands-on experience with industry-standard tools such as Git, Jira, and Azure DevOps. Known for excellent problem-solving skills and ability to handle complex development tasks, bringing value to any team through a diligent work ethic, collaborative approach, and forward-thinking mindset.
Senior (5-10 years)
Warsaw, Poland
JavaScript 8yr.
React 8yr.
TypeScript 5yr.
Node.js 5yr.
Next.js 3yr.
Redux 4yr.
PHP 1yr.
React Native 1yr.
Angular
AngularJS
Backbone.js
Express
jQuery
Koa.js
NestJS
Angular CLI
ngFor
ngIf
NgRx
ngrx-forms
ngSwitch
React Bootstrap
reactive-forms
Redux-Saga
RxJs
Webpack
Angular Material UI
Ant Design
Material UI
Cordova
Ionic
AWS ElasticSearch
FireStore
MongoDB
MySQL
NoSQL
PostgreSQL
Redis
Sequelize
SQL
AWS
AWS EC2
AWS Lambda
AWS S3
Blockchain
Apache HTTP Server
Nginx
API
GraphQL
RESTful API
Conflict Management
Emotional Intelligence (EI)
Mentor Aptitude
Team Management
Team Management Skills
DeFi
Fortmatic
MetaMask
NFT
Smart Contract
Subsquid
Wallet Link
Web3
Docker
Kubernetes
MVC
REST
WebRTC
WebSockets
WordPress
10+ years of experience in web development, M.Sc in Software Engineering, GAI, LLMs Front-End: Angular, React, Vue.js (JavaScript & TypeScript) Back-End: Node.js, Next.js, TypeScript , PHP Mobile: React Native AWS Cloud infrastructure Control systems (e.g., Git) and familiarity with DevOps practices for continuous integration and deployment (CI/CD). Unit testing, integration testing, and end-to-end testing. Experience leading and mentoring a team of developers, including assigning tasks, providing guidance, and ensuring the team's success. Ability to motivate and inspire team members, resolve conflicts, and provide constructive feedback. Experience conducting assessments and interviews remotely.
Architect/Team-lead
Ukraine
JavaScript
TypeScript
React
Angular
Express
NestJS
Node.js
Cordova
Ionic
CSS
HTML
SASS
SCSS
Mongoose
React Native
Redux
Redux-Saga
Redux-toolkit
RxJs
MongoDB
AWS
AWS Cognito
AWS Lambda
AWS S3
AWS SAM
Api Gateway
Azure DevOps Server (ex TFS Team Foundation Server)
Cypress
Jest
Git
serverless
WebStorm
- 8+ years of experience in software development with a focus on JavaScript, TypeScript, and full-stack engineering; - Built complex web applications using React.js, Angular, and React Native across edtech, healthtech, e-commerce, and banking projects; - Developed cross-platform interfaces, including AI-powered chatbots with Whisper and Heygen, and real-time messaging platforms; - Worked with Redux Toolkit, RxJS, Nest.js, and Express for scalable state management and backend logic; - Delivered serverless APIs using AWS Lambda, API Gateway, Cognito, and integrated MongoDB via Mongoose; - Experienced in performance optimization, refactoring, bug fixing, and CI/CD using the Serverless Framework; - Built and maintained responsive UIs with accessibility, mobile support, and data visualization features; - Participated in team-based delivery with cross-functional collaboration and code quality improvements.
Senior (5-10 years)
Krakow, Poland
React
Node.js
Angular
Express
NestJS
Ant Design
CSS
HTML
Material UI
SCSS
Mongoose
React Hooks
React Query
React Testing Library
Redux
RxJs
Winston
Firebase
MongoDB
MySQL
PostgreSQL
Sequelize
Typeorm
AWS
AWS EC2
AWS ECR
AWS Lambda
AWS RDS (Amazon Relational Database Service)
AWS S3
AWS SES (Amazon Simple Email Service)
AWS SNS
AWS SQS
Agile
BEM
Scrum
Asana
Atlassian Trello
Jira
Context API
JWT
RESTful API
Swagger
Docker
Jest
nock
WebSockets
Clockify
- 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
Middle (3-5 years)
Ukraine
Angular
JavaScript
TypeScript
Bootstrap
CSS
HTML
SASS
Ionic
NPM
Redux
RxJs
Webpack
Firebase
MongoDB
MySQL
Agile
Scrum
Atlassian Trello
Jira
Docker
Figma
RWD(Responsive Web Design)
Git
JWT
RESTful API
macOS
Windows
- Self-motivated and result-driven front-end developer with 5+ years of experience - Skilled in Angular and JavaScript, with extensive experience in their development and ecosystem - Strong ability to write clean code, debug performance issues, and implement features based on client and user needs - Possesses good logical thinking and a high level of responsibility - Excellent attention to detail and ability to work well in a team - Proficient in various programming languages and technologies such as JavaScript, TypeScript, HTML, CSS, SASS, Angular 2+, npm, Webpack, Redux, Rest API, RWD, Figma, Bootstrap, rxJS, docker, ionic, firebase, and JWT - Experienced in working with databases like MongoDB and MySQL, and familiar with source controls like GIT and tracking systems like Jira and Trello. - Intermediate English - Availability starting from ASAP
Middle (3-5 years)
Poland
$30/hr
$5280/month
$5280/month
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.
Middle (3-5 years)
Minsk, Belarus
CSS 4yr.
HTML 4yr.
SCSS 4yr.
JavaScript 3yr.
Angular 3yr.
Git 3yr.
TypeScript
Angular Material UI
Bootstrap
Gulp.js
RxJs
Docker
- Frontend developer (Angular) at ITHoot. Before that, I worked as a freelancer for 1 year. - During my work, I mastered Html, Css, Scss, Gulp, JavaScript, Git, Angular2 - Pre-Intermediate English. - Available: ASAP
Junior (1-2 years)
UkraineTalk to Our Expert
Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.
Yaroslav Kuntsevych
co-CEO
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FAQs on Rx js Development
What is a Rx js Developer?
A Rx js Developer is a specialist in the Rx js framework/language, focusing on developing applications or systems that require expertise in this particular technology.
Why should I hire a Rx js Developer through Upstaff.com?
Hiring through Upstaff.com gives you access to a curated pool of pre-screened Rx js Developers, ensuring you find the right talent quickly and efficiently.
How do I know if a Rx js Developer is right for my project?
If your project involves developing applications or systems that rely heavily on Rx js, then hiring a Rx js Developer would be essential.
How does the hiring process work on Upstaff.com?
Post Your Job: Provide details about your project.
Review Candidates: Access profiles of qualified Rx js Developers.
Interview: Evaluate candidates through interviews.
Hire: Choose the best fit for your project.
Review Candidates: Access profiles of qualified Rx js Developers.
Interview: Evaluate candidates through interviews.
Hire: Choose the best fit for your project.
What is the cost of hiring a Rx js Developer?
The cost depends on factors like experience and project scope, but Upstaff.com offers competitive rates and flexible pricing options.
Can I hire Rx js Developers on a part-time or project-based basis?
Yes, Upstaff.com allows you to hire Rx js Developers on both a part-time and project-based basis, depending on your needs.
What are the qualifications of Rx js Developers on Upstaff.com?
All developers undergo a strict vetting process to ensure they meet our high standards of expertise and professionalism.
How do I manage a Rx js Developer once hired?
Upstaff.com offers tools and resources to help you manage your developer effectively, including communication platforms and project tracking tools.
What support does Upstaff.com offer during the hiring process?
Upstaff.com provides ongoing support, including help with onboarding, and expert advice to ensure you make the right hire.
Can I replace a Rx js Developer if they are not meeting expectations?
Yes, Upstaff.com allows you to replace a developer if they are not meeting your expectations, ensuring you get the right fit for your project.