Position: Front-End Team Lead
Company: PSR
Category: JavaScript
Experience required: 5y
English level: fluent

The IT-product company is the world’s largest investing community. Powered by the wisdom and diversity of crowdsourcing, millions of investors connect to discover and share investing ideas, discuss breaking news, debate the merits of stocks, and make informed investment decisions. 
We’re looking for a Front-End Team Lead, to lead a team of talented engineers. You will design and planning discussions, contribute architecture ideas, develop and test new user-facing features in the company as part of the R&D team.

**Responsibilities:**
- Lead and mentor a team of talented engineers in a zero-downtime environment where code is deployed multiple times a day.
- Own and lead new feature development, testing, and bug management.
- Collaborate with project managers, participate in design and planning discussions, contribute architecture ideas.
- Develop and test new user-facing features.
- Write highly scalable, reusable, and testable code

**Rеquirеmеnts:**
- 5+ years of experience with Javascript
- 3+ years of front-end development experience in building large, complex, highly scalable React-based single-page web applications.
- Knowledge of Agile principles, open-source ecosystem.
- Advanced English reading/writing/speaking
- Experience in OOP and MVC design and development patterns. Good understanding of data structures and design patterns.
- Comfortable with source version control software and package managers (Git, NPM).
- Experience with CSS3 and Less/Sass (ability to write mixings, partials, use source maps, etc). Deep understanding of Mobile-first Responsive design. - - Experience with Twitter Bootstrap or Foundation Framework.
- Understanding of the interplay between JavaScript and HTML & CSS, with a focus on performance. Strong proficiency in JavaScript / ES6, including DOM manipulation and the JavaScript object model. Good understanding of browser rendering behavior. Familiarity with newer specifications of EcmaScript.
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Expert-level hands-on experience and understanding of React.js and its core principles. Proficiency in building reusable components and modules. Experience with popular React.js workflows (such as Flux or Redux, CSS-in-JS).
- Understanding of all major browsers and the special considerations required for all various quirks. Knowledge of browser internals like Javascript engines, native DOM, Event APIs, and ways to tune code for the best performance.
- Deep understanding of the HTTP protocol, browser networking.
 
**Would be a plus:**
- Experience working in a UNIX environment.
- You've built and delivered an app on Amazon AWS, Microsoft Azure, or Google Cloud Platform.
- Experience with PWAs, Service Workers, and client-side caching.
- Experience in web standards, semantic web, accessibility, and SEO and the interplay between them.
- Having a Github portfolio or link to open source work.

**We offer**
- 20 vacation days, with carrying over of 10 days. 
- 20 sick days, 5 of them without a dr. note, maternity leaf, via the umbrella company we the accounting aspects, birthday gifts, events, and etc. 
Why our company is the best place for you:
- We have an awesome product. Our cutting-edge investing tools are helping 135,000 users exceed their financial goals.
- You’ll impact the lives of many people. We have 20 million unique users visiting our community every month. We work hard to make our users happy and help them build wealth.
- We are profitable and growing fast. All employees receive equity grants in-line with their cash compensation.
- We care about work-life balance. We work mostly from home, we provide lots of vacation days, and we insist that you enjoy them. 
- We invest in people. We consider each employee a long-term investment, and we see value in continuously nurturing and training our teammates