Senior React Engineer for large retail portals


Head of Fullstack JavaScript Department about the project goals, team structure, technology stack and candidate requirements

Louis Armstrong - Hello Dolly

SSA Group is looking for a specialist who is interested in optimizing large-scale web solutions written on React and make them work extremely fast.


It’s a new product that sets a passionate goal – enable sub-second speeds for large database driven sites while making it much simpler to manage modern frontend. Among its users are eCommerce shops with 1 mln+ USD revenue per week, banking applications and more.

Technology Stack
  • React.js/Next.js 
  • JSS, SASS, LESS or other CSS

Team with Software Architects in the US and a larger team of experienced developers in Ukraine

Candidate Requirements
  • 7+ years of prior front-end development experience 
  • Excellent core JavaScript 
  • Strong expertise in React.js/Next.js 
  • Solid level experience with RESTful APIs 
  • Experience with mobile web development 
  • Knowledge of website performance optimization, and performance measurement tools (e.g. Webpagetest/SpeedCurve/Page Speed Insights, etc) 
  • Experience with JSS, SASS, LESS or other CSS preprocessors
  • Familiarity with HTTP and network requests 
  • Strong collaborator and teammate, with exceptional communication skills 
Will Be a Plus
  • Experience with analytics (Google Analytics, Google Tag Manager, Adobe Dynamic Tag Management, etc) 
  • Experience with Salesforce Commerce Platform, Amplience CMS 
  • Experience with Jotai 
  • Experience with integration of PayPal, Bazaarvoice, Klarna, GiftNow, Tangible
  • Develop and support multiple features for one of the largest e-commerce brands in the U.S.
  • Improve performance metrics of high-load web solutions
  • Collaborate with the teammates, Product Manager and client to discover and validate technical problems 
  • 3rd party widget integrations (PayPal, Bazaarvoice, Klarna, GiftNow, Tangible) 
  • Following industry best practices to develop and deliver high quality, clean and maintainable code
Project Benefits

Work together with Senior developers and Architects to make React applications as fast as ever

Work mode
  • Remotely
Office Location
  • Buenos Aires, Argentina
    Buenos Aires, Argentina
  • São Paulo, Brazil
    São Paulo, Brazil
  • Lviv, Ukraine
    Lviv, Ukraine
  • Kyiv, Ukraine
    Kyiv, Ukraine

Do you have any questions?

Contact Nataliya if you want to know more. We will be happy to help you!

Find out more in video

Why choose us

Senior team
Senior team
On the project, you have an opportunity to work closely with senior teammates and gain new experience and insights
Regular review
Regular review
We provide a regular review of professional level based on matrices of competence, code and peer reviews, as well as client's feedback and project results
Long-term employment
Long-term employment
We have never supported one-project-employment philosophy and reckon there is always a job for a competent specialist
Challenging  projects
Challenging projects
Work with cutting-edge technologies, gain access to the most up-to-date tools and apply your skills to complex projects
We encourage our employees to continue improving their skills and obtaining professional certifications
Flexible working schedule
Flexible working schedule
Start your workday any time before 11 a.m. and adapt your schedule to meet 40 hours a week
Social package
Social package
We offer 20 working days of paid vacation, 10 sick leaves and a flexible leave policy
Send us your CV to become a part of our team join us

Apply here!

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