Position: Senior Javascript React Developer (AdTech project)
Company: Sigma Software
Experience required: 5y
English level: upper

**Customer **
We invite you to work with the advertising industry’s first Bidder-as-a-Service, Beeswax (https://www.beeswax.com/about/). It enables sophisticated marketers to break free from the limitations and constraints of opaque, one-size-fits-all programmatic buying platforms.

Beeswax provides extremely high-scale Bidder-as-a-Service solutions in advertising technology, works with global businesses, and has to date raised $28M (incl. the most recent Series B raise of $15M).

**Project**
The project is about building the next generation of real-time bidding software that enables sophisticated marketers to break free from the limitations and constraints of opaque, one-size-fits-all programmatic buying platforms.

We are looking for a responsible and proactive person, who loves creating robust and beautiful solutions and is excited about challenging tasks.

**Requirements**
- Solid experience with JavaScript and related stack
- Proven experience with React.js, TypeScript, and Backbone.js
- Comprehension of HTTP requests, response and callbacks handling
- Being familiar with REST API
- Strong business communication and interpersonal skills to easily cooperate, guide, and drive the team to success
- Upper-Intermediate level of English
- Experience with MySQL is a plus

**Responsibilities**
- Work on a JavaScript application built on top of the API that our customers use to configure our systems
- Drive major architectural changes as we scale to improve our engineering velocity
- Collaborate with engineers, product managers, designers, and data scientists to evolve these services to provide new experiences for our customers as well as meet our ever-growing scale
- Teach others, take ownership, drive results, and take pride in your work and the work of your team. Guide and mentor other engineers on architecture and process
- Do fun tasks like code reviews, writing design docs, and closing JIRA tickets
- Solve puzzles and work by yourself with zero micromanagement and direct control