Junior JavaScript Developer

Sorry, this job was removed at 12:10 p.m. (CST) on Wednesday, Mar 18, 2026
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Hiring Remotely in Brasília, Distrito Federal, BRA
In-Office or Remote
Software
The Role
Company Description

Are you passionate about building clean, efficient, and reusable code? We at Sigma Software are looking for a Junior JavaScript Developer to join our distributed team. This is a remote position with a focus on delivering high-quality CRM modules and components for a large-scale e-commerce platform.

Sigma Software is a global IT service provider delivering top-notch software development, consulting, and IT solutions for clients worldwide. We partner with innovative companies across various industries, helping them create cutting-edge products and services that reach millions of users.

Job Description

  • Develop, maintain, and optimize CRM drag-and-drop module libraries and evergreen components
  • Maintain documentation for marketing assets and components
  • Write, extend, and debug code within team tools and services
  • Ensure components align with brand guidelines and best practices
  • Collaborate with CRM Engineering Team to standardize tags, metadata, and personalization strategies
  • Train and support CRM marketers on platform capabilities and best practices
  • Manage multiple projects and prioritize tasks effectively
  • Troubleshoot and resolve issues with marketing solutions
  • Participate in on-call rotation for the team
  • Execute special projects as assigned

Qualifications

  • 1.5–2 years of commercial experience in JavaScript frontend development
  • Strong knowledge of core JavaScript (ES6+) fundamentals
  • Proficiency in HTML5 & CSS3
  • SQL knowledge
  • Basics of debugging and performance optimization
  • Readiness to learn and work with Braze (customer engagement platform)
  • Understanding of version control systems (Git)
  • Basic testing principles
  • Upper-Intermediate or higher English (written & spoken)
  • Strong communication skills — ability to explain solutions and ask clarifying questions

WILL BE A PLUS

  • Experience integrating with third-party tools or marketing/engagement platforms
  • Familiarity with analytics, tracking scripts, or customer engagement tools

Additional Information

PERSONAL PROFILE

  • Proactive junior developer with strong problem-solving skills
  • Attention to detail and quality
  • Ability to work collaboratively across technical and marketing teams
  • Comfortable with multitasking and adapting to evolving priorities

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The Company
New York, New York
1,516 Employees

What We Do

Sigma Software Group, an award-winning and trusted IT partner, has been serving customers for over 21 years, providing comprehensive IT solutions to various businesses, ranging from startups to established software product houses. As one of Europe's substantial IT consultancies, it brings together a dedicated workforce of over 2,100 professionals in 40 offices across 19 countries. With a diverse client base, including more than 300 enterprises, including Fortune 500 stalwarts, Sigma Software Group is a preferred choice for developing solutions that help businesses create cutting-edge products while meeting their unique needs. Sigma Software Group operates as a dynamic ecosystem of tech companies, offering 25 ready-to-implement innovative products and 40+ value-added services. Furthermore, Sigma Software Group is committed to fostering innovation through initiatives such as the Sigma Software Labs business incubator, Sigma Software University, the SID Venture Partners VC Fund, UA Tech Network, Techosystem, the European Business Association, and other collaborative efforts. Since 2015, Sigma Software Group has consistently earned recognition on the IAOP's prestigious World's Top 100 Outsourcing list. The company's accomplishments have also been acknowledged by prominent global media outlets such as Forbes, CNBC, The Times, and Reuters

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