Strong Middle / Senior Full Stack Developer (TypeScript / React)

Middle Middle/Senior Senior Strong Middle Remote
Europe, Albania, Poland, Romania, Ukraine
Engineering, Data Engineering, Software Development, JavaScript, React, TypeScript

Необхідні навички

JavaScript / TypeScript / expert
NestJS / expert
React / good
AWS / good
English / expert

Join a product-focused engineering team developing a large-scale AdTech platform used for managing and optimizing digital advertising campaigns across multiple channels.

We are looking for a Strong Middle / Senior Full Stack Developer with strong TypeScript expertise, solid Back-end development experience with NestJS, and hands-on Front-end experience with ReactJS. In this role, you will work on enterprise-level solutions with complex business workflows, media processing pipelines, and deep integrations with advertising ecosystems.

We at Sigma Software offer the opportunity to work on technically challenging products, collaborate with experienced engineering teams, and contribute to scalable solutions used in a dynamic digital advertising domain.

Клієнт

Our Customer is an international company operating in the digital advertising and AdTech industry. The company develops enterprise-grade technology solutions that help advertisers and media organizations manage, optimize, and scale digital advertising campaigns. Their products support high-load advertising operations, complex workflows, and media-related processes across modern advertising ecosystems.

Проєкт

The project is a large-scale advertising campaign management platform covering the full lifecycle of digital campaigns. The solution includes campaign creation and configuration, line-item management, creatives handling, forecasting, SLA tracking, and integrations with external advertising and media services. The platform also supports advanced media workflows such as video transcoding and image validation.

The engineering team is focused on building scalable and reliable enterprise solutions with sophisticated business logic and multiple integrations while continuously improving performance, maintainability, and operational efficiency.

Вимоги

  • 4-5+ years of commercial software development experience with JavaScript and TypeScript, with a primary focus on back-end development
  • Strong Back-end development experience with NestJS
  • Solid Front-end development experience with ReactJS
  • Hands-on experience with AWS cloud services
  • Good understanding of scalable system architecture and software engineering best practices
  • Experience working with enterprise-level or high-load applications
  • Strong problem-solving and analytical skills
  • Ability to work independently and take ownership of technical solutions
  • Good communication and collaboration skills
  • Upper-Intermediate or higher English level

WILL BE A PLUS

  • AI-native development experience
  • Familiarity with AI-powered development tools such as Claude and Codex
  • Experience with Jenkins
  • Experience with Terraform
  • Experience working with complex or enterprise platforms

Професійний профайл

  • Proactive and self-driven mindset
  • Strong ownership attitude
  • Team-oriented and collaborative approach
  • Ability to work effectively in a fast-paced engineering environment
  • Strong attention to code quality and technical excellence

Обов'язки

  • Design, develop, and maintain scalable Full Stack applications using JavaScript, TypeScript, NestJS, and React
  • Implement and support complex business logic related to digital advertising campaign management
  • Participate in technical discussions, architecture decisions, and solution design activities
  • Collaborate closely with developers, Architects, QA engineers, and Project Managers
  • Improve application performance, scalability, reliability, and maintainability
  • Develop clean, maintainable, and well-tested code following software engineering best practices
  • Identify technical challenges proactively and drive solutions independently
  • Contribute to continuous improvements in development processes and technical standards

Чому ми

  • Різноманітність доменів та бізнесу
  • Великий вибір технологій
  • Медична та юридична підтримка
  • Круте та живе ком'юніті професiоналiв
  • Безперервна освіта та можливість росту
  • Гнучкий графік
  • Віддалена робота
  • Стильний та комфортний офіс (для твого комфорту вибору звiдки працювати)
  • Спортивні заходи та спільноти

REF4164O

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