Your browser does not support javascript! Please enable it, otherwise web will not work for you.

Strong Middle

Home > Javascript/Typescript programming jobs

Strong Middle in Others

  • Sigma Software
  • Full time
  • Email
  • Warsaw, Poland

Responsibilities

  • Design, develop, and maintain scalable full-stack applications using JavaScript, TypeScript, NestJS, and React.
  • Implement and support 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, and maintainability.
  • Develop clean, maintainable, and well-tested code.
  • Identify technical challenges proactively and drive solutions independently.
  • Contribute to development process improvements and technical standards.
  • Build and support enterprise-level advertising workflows, integrations, and media processing capabilities.

Requirements

  • 4–5+ years of commercial software development experience with JavaScript and TypeScript, primarily focused on backend development.
  • Strong backend development experience with NestJS.
  • Strong frontend development experience with React.
  • 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.
  • Familiarity with AI-powered development tools such as Claude and Codex is a plus.
  • Experience with Jenkins, Terraform, and 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...

Similar positions

Strong Middle

  • Sigma Software
  • Full time
  • Others
  • 09/10/2026
  • Kyiv, Ukraine

Middle Java Developer

  • Blossom
  • Full time
  • Remote
  • 08/27/2026
  • Colombia

Middle Mobile Software Engineer

  • Blossom
  • Full time
  • Remote
  • 08/04/2026
  • Colombia

Middle Software Developer

  • brightfin
  • Full time
  • Remote
  • 08/02/2026
  • Ukraine

Middle Full-Stack Developer

  • Blossom
  • Full time
  • Remote
  • 07/29/2026
  • Colombia

Listings

by


Job Type

Language

Country

CodingJobBoard.com © 2026