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Location
Hybrid (Brazil)
Seniority
Senior · 2+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 18, 2026. First seen by Alion on Sep 2, 2026.

Overview
Company
Impact
Profile match
Sigma Software is a technology services company founded in 2002 as the Ukrainian development arm of the Swedish Sigma Group, and now a global organisation with delivery centres in Ukraine, Poland, Sweden, the United States and Latin America. It builds custom software for clients in advertising technology, automotive, aviation, gaming, telecommunications and the public sector, and runs its own product and startup arms alongside the services business. The company is known for keeping its Ukrainian engineering operation running through the war and for a substantial programme of technology work supporting Ukrainian defence and public institutions.

Join Sigma Software and become part of a distributed team building a customer-focused CRM platform for a leading international E-commerce marketplace specializing in pet products. We are looking for a Middle JavaScript Developer who is passionate about creating scalable customer engagement solutions and improving digital experiences.

In this role, you will work remotely with a collaborative international team, contributing to reusable CRM modules, automation workflows, and personalization strategies. You will have the opportunity to expand your expertise beyond traditional Front-end development and gain hands-on experience with Braze, a leading customer engagement platform.

We at Sigma Software support professional growth, knowledge sharing, and long-term career development while working on impactful international projects.

  • Develop, maintain, and optimize CRM drag-and-drop module libraries and reusable components
  • Maintain documentation related to marketing assets and technical components
  • Write, extend, and debug JavaScript code within team tools and services
  • Ensure components align with brand guidelines and development best practices
  • Collaborate with the CRM Engineering Team to standardize metadata, tags, and personalization strategies
  • Train and support CRM marketers on platform capabilities and best practices
  • Manage multiple tasks and priorities in a dynamic environment
  • Troubleshoot and resolve issues related to marketing solutions
  • Participate in the team’s on-call rotation
  • Execute additional project-related tasks as required
  • 2+ years of commercial experience in JavaScript Front-end development
  • Strong knowledge of core JavaScript ES6+ fundamentals
  • Experience with HTML5 and CSS3
  • Good understanding of SQL fundamentals
  • Experience with debugging, troubleshooting, and performance optimization
  • Understanding of version control systems, including Git
  • Understanding of basic testing principles
  • Upper-Intermediate or higher English level, both written and spoken
  • Strong communication and collaboration skills
  • Readiness to learn and work with Braze, a customer engagement platform that will be a key tool in daily work

WILL BE A PLUS

  • Experience integrating third-party tools or marketing platforms
  • Familiarity with analytics, tracking scripts, or customer engagement tools
  • Experience working with CRM or marketing automation systems

PERSONAL PROFILE

  • Strong problem-solving skills
  • Attention to detail and code quality
  • Ability to work independently in a distributed team
  • Proactive approach to learning new tools and technologies
  • Good time management and prioritization skills
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