Position: Middle Frontend Engineer
Company: Stryber
Category: JavaScript
Experience required: 2y
English level: upper

We are looking for an **Intermediate Frontend Engineer** 

**Your responsibilities include the following:**
- Develop new user-facing features;
- Build reusable code and libraries for future use;
- Ensure the technical feasibility of UI/UX designs;
- Optimize application for maximum speed and scalability;
- Assure that all user input is validated before submitting to back-end;
- Collaborate with other team members and stakeholders, such as our Frontend and Backend Engineers, DevOps Engineers and Product Managers to design, build, and maintain efficient, reusable, and reliable code across all of our projects;
- Help us further improve our Software Engineering practices and tooling, and automate reasonably many things to make us more efficient;
- Refine technical standards and propagate them into the software engineering teams; 

**Qualifications:**
- Written and verbal **upper-intermediate English** is a plus;
- Collaborative, self-motivated, curious, and humble attitudes;
- **2+ years of experience** with modern JavaScript/ES6/TypeScript;
- **2+ years of experience in building front-end solutions**;
- Good understanding of **ReactJS and Redux**;
- Proficient understanding of web markup, including HTML5, CSS3;
- Understanding of server-side CSS pre-processing platforms, such as LESS and SASS;
- Proficient understanding of **client-side scripting** and JavaScript frameworks;
- Understanding of asynchronous request handling, partial page updates, and AJAX;
- Understanding of cross-browser compatibility issues and ways to work around them; 
- Understanding of Webpack, TypeScript, Karma, Jasmin, Detox, NPM, Yarn;
- Understanding of tools like GitHub and JIRA;

**It would be awesome, if you:**
- Had experience in building mobile applications with React Native is a plus;
- Had experience with NextJS, Gatsby or similar;
- Could work outside of the traditional boundaries of a frontend engineering role and find ideal solutions for UX, operations, speed of delivery and security.
- Speak an additional, mature programming language;
- Have contributed to open source projects.