Position: Middle JavaScript (React) Developer (Jewelry Marketplace)
Company: Sigma Software
Experience required: 2y
English level: intermediate

**CUSTOMER**
The customer is a luxury jewelry auction marketplace that makes an assessment and sells pre-owned jewelry with much higher client benefits than other jewelry resellers.

They have already reviewed & estimated over 400,000 jewelry items and conducted auctions with more than 800 online Buyers.

We use ReactJS, Ruby on Rails, and PostgreSQL.

**RESPONSIBILITIES:**
- Design separate components, modules, classes, etc.
- Perform coding and debugging
- Investigate current and new solutions
- Participate in peer code and design reviews
- Participate in estimation and planning sessions
- Report status and progress according to the project and company demands
- Understanding front-end part of web-application to be able to solve business problems and take responsibility for the result
- Solve puzzles and work by yourself without micromanagement and direct control

**REQUIREMENTS:**
- 4+ years of working experience using JavaScript
- In-depth working knowledge of JavaScript (ES6), including DOM manipulation and the JavaScript object model
- Strong experience with ReactJS and understanding of its core principles
- Experience with common ReactJS state management systems (Flux or Redux/MobX)
- Understanding of the core principles of OOP, OOD (SOLID)
- Familiar with Git, CI/CD, and bug-tracker systems
- At least Intermediate level of English

**WILL BE A PLUS:**
- Experience in/knowledge of Node.js or Ruby on Rails
- Experience with back-end development (RESTful APIs, Databases)

**WE OFFER:**
career.sigma.software/what-we-offer