We are looking for a strong Senior Front-end Developer to join our performance optimization team. If you like complex challenging tasks, it is for you!

We are looking for a strong Senior Front-end Developer to join our performance optimization team on a long-term basis. If you like complex challenging tasks, it is for you!

You will work directly with the customer's UK, Malta and Poland teams. Business trips to one of these locations are quite possible 1-2 times per year for one week.


Our client delivers Cloud-based, SaaS-enabled Customer Communication Management (CCM) solutions and services. It enables business enterprises to engage and communicate with their customers in a pro-active, cost-efficient, and integrative manner.


The products were based on AngularJS and have been porting to ReactJS during the previous year. For now, it is about 50/50 between AngularJS and ReactJS.
We would like to create a team of 4 Senior Developers: 3 Front-end JavaScript developers and 1 Back-end .NET/Node.js developer) to work across the stack of products and provide end-to-end performance optimizations. The stack of the products includes Casino, Sportsbook and some services and sub-systems related to them.

Your major responsibilities on the project will include:
- Review design of new and existing solutions
- Search for the components and sub-systems which require optimization from memory, CPU, response time, etc. point of view
- Upgrade or rewrite the components to ensure better performance
- Review technology stack and 3-rd party libraries used and make your suggestions on improvements

At least 5 years’ experience working in Front End development
Mandatory strong or even expert level in:
• JavaScript/TypeScript
• AngularJS
• ReactJS
Desired skills:
• Node.js
• Performance optimizations
• .NET
At least Upper-Intermediate level of English

About Sigma Software

Sigma Software предоставляет высококачественные ИТ услуги для клиентов в таких сферах, как электронный бизнес, документооборот, телекоммуникации, военная отрасль, авиационно-космическая промышленность, банковское дело, финансы и недвижимость, а также в сфере туризма, индустрии развлечений и разработки игр.

Три основных направления бизнеса компании — разработка и поддержка программного обеспечения, разработка программного обеспечения на заказ, в том числе разработка решений под мобильные устройства, ИТ консалтинг в различных сферах, в частности в сфере электронного бизнеса, документооборота и работы с проблемной задолженностью.

Свои услуги мы предоставляем в основном для компаний, расположенных в Западной Европе и США. Офисы в Харькове и Одессе работают с 2005 года. В 2014 открылись новые офисы в Киеве, Львове, Варшаве (Польша) и Сан-Хосе (США).

Company website:

DOU company page:

Job posted on 10 November 2020

Для отклика на эту и другие вакансии на Джинне войдите или зарегистрируйтесь.
  Receive new jobs in Telegram