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Strong Middle

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Strong Middle in Others

  • Sigma Software
  • Full time
  • Email
  • Kyiv, Ukraine

Responsibilities

  • Design, develop, and maintain scalable full-stack applications using JavaScript, TypeScript, NestJS, React, and AWS.
  • Implement complex business logic for digital advertising campaign management.
  • Participate in technical discussions, architecture decisions, and solution design activities.
  • Collaborate with developers, architects, QA engineers, and project managers.
  • Improve application performance, scalability, reliability, maintainability, and operational efficiency.
  • Develop clean, maintainable, and well-tested code.
  • Identify technical challenges proactively and independently drive solutions.
  • Contribute to development process improvements and technical standards.
  • Support campaign creation, configuration, line-item management, creative handling, forecasting, SLA tracking, and integrations with advertising and media services.
  • Work on media workflows including video transcoding and image validation.

Requirements

  • 4–5+ years of commercial software development experience with JavaScript and TypeScript, primarily focused on backend development.
  • Strong backend development experience with NestJS.
  • Solid frontend development experience with ReactJS.
  • Hands-on experience with AWS cloud services.
  • Understanding of scalable system architecture and software engineering best practices.
  • Experience with enterprise-level or high-load applications.
  • Strong problem-solving, analytical, communication, and collaboration skills.
  • Ability to work independently and take ownership of technical solutions.
  • Upper-Intermediate or higher English level.
  • AI-native development experience is a plus.
  • Familiarity with AI-powered development tools such as Claude and Codex is a plus.
  • Experience with Jenkins and Terraform is a plus.
  • Experience with complex or enterprise platforms is a plus.

Sigma Software

Sigma Software delivers innovative software solutions that empower businesses to streamline operations, enhance customer experiences, and drive digital transformation. By combining agile development practices with deep industry expertise, we create scalable, secure, and user‑friendly applications...

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