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Sigma Software Group

Middle/Senior Full Stack Developer (Logistics Domain)

Kraków, Lesser Poland Voivodeship, PolandPosted 1 weeks ago
Full-timeremoteMid-Senior Level

Job Description

  • Design, develop, and maintain robust software applications using TypeScript/JavaScript, Node.js, NestJS, and React.js 
  • Implement new functionality from scratch, including role-based access control services, API integration services, and custom endpoints 
  • Work in an AI-augmented development environment, leveraging tools like Claude Code, Cursor, and Microsoft Copilot 
  • Collaborate closely with stakeholders to define, design, and deliver new features 
  • Ensure code quality, security, and performance through critical evaluation of AI-generated outputs 
  • Participate in SCRUM ceremonies and contribute to team planning, estimation, and retrospectives 
  • 3–5 years of commercial development experience with a focus on TypeScript/JavaScript 
  • Proven expertise in Node.js, NestJS, React.js, Next.js, and REST API development 
  • Experience with AI-assisted coding tools (Claude Code, Cursor, Microsoft Copilot, or similar) 
  • Ability to write clear prompts for code generation and refactoring 
  • Skills in evaluating AI-generated code for security and performance implications 
  • Experience translating AI-generated specifications into implementation tasks 
  • Proficiency in debugging and validating AI-generated code 
  • Familiarity with AI-driven development frameworks (BMAD, Superpowers, GSD, spec-kit, or equivalent) 
  • Experience with any cloud provider (preferably Azure) 
  • Experience working in SCRUM teams 
  • Fluent English 

WILL BE A PLUS

  • Experience integrating and working with design systems (Tailwind, Storybook) 
  • Proven experience with AI-augmented development (pet projects, certifications) 
  • Participation in AI-assisted requirements breakdown and task decomposition using frameworks like spec-kit or BMAD 

PERSONAL PROFILE

  • Strong communication, multitasking, and problem-solving skills 
  • Analytical thinking and sound technical judgment 
  • Quick grasp of existing digital products and architectures 

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Middle/Senior Full Stack Developer (Logistics Domain) at Sigma Software Group | Renata