Senior Frontend Developer React; hybrid Warsaw Synergetica Responds Quickly

The product we are working on is one of TOP-3 navigation systems, complex web-services and other solutions related to it. The web and mobile apps handle information at massive scale and extend well beyond the search giving people and companies a lot of new useful options.

• Analyzing requirements for new product features and services
• Hands‑on development based on the requirements
• Covering the code with unit tests
• Improving existing software and fixing bugs
• Creating and maintaining code documentation
  
  Communicating with stakeholders and distributed teams of the product

• 4-5 years of hands‑on work experience as a Fullstack/Frontend developer
• Hands‑on experience in implementing pixel‑perfect designs over HTML/CSS
• Strong JavaScript and Type Script skills
• Hands‑on experience with more than one leading frontend framework (our focus is React but it’s preferred you also have experience with either Angular, Vue, Ember.js, Polymer etc)
• Strong hands‑on skill with frontend toolkits (Gulp, Webpack, Karma, Jasmine etc.)
• Experience with distributed version control systems (Git, Mercurial, Fossil, etc.)
• Upper‑Intermediate English skills, or higher (both written and spoken)
• Experience in working in a linux based server environment
• Ability to learn new technologies
• Passion for products and users

• Experience with at least one dynamic language implementation of a backend technology (Node.
  
  JS, Python, Ruby)
• Experience with compiled, statically typed server technologies (Java, Go)
• Experience in ES6, Type Script, Coffee Script, React, Redux.
• Experience with building, maintaining and optimizing responsive web apps
• Hands‑on experience in cloud technologies
• Experience developing high load/high traffic user‑facing software
• Hands‑on experience in writing unit‑tests
• Solid linux/unix skills
• Experience with mobile‑specific sites, and mobile‑web/native app integrations
• Experience in setup and continuous improvement of dev environment
• Experience in setup and continuous improvement of a multi‑stage production environment
• Experience working on a distributed team (not all in one physical location)
• Open source contributions

• Opportunities to develop in various areas;
• Compensation package (20 paid vacation days, paid sick leaves);
• Flexible working hours;
• Medical Insurance;
• English courses with a native speaker, yoga (zoom);
• Paid tech training and other activities for professional growth;
• Hybrid work mode (~3 days in the office);
• International business trips
• Comfortable office.