Middle/Senior Full Stack Developer (Logistics Domain)
Company Description
Ready to shape the future of logistics technology? We are looking for a Middle/Senior Full Stack Developer to join our distributed team and help build a next-generation e-commerce fulfillment platform. This role offers remote flexibility with the option to work from Kraków, Poland.
At Sigma Software, we partner with some of Europe’s most innovative companies, delivering solutions that combine cutting-edge technology with business impact. You will work in a collaborative Agile environment, leveraging modern frameworks and AI-assisted tools to create high-performance solutions.
Why join us? You’ll be part of a long-term partnership, working on high-impact projects with access to advanced AI tools, cloud technologies, and a supportive team culture.
CUSTOMER
Our customer is one of Europe’s leading logistics providers, headquartered in Germany. Specializing in integrated supply chain systems and data-driven logistics optimization, they operate across multiple European markets, offering advanced warehousing, transportation, and fulfillment services. Sigma Software has been collaborating with them since 2017, delivering over 10 active projects that drive innovation and efficiency.
PROJECT
You will contribute to the development of a next-generation e-commerce fulfillment platform designed to automate and optimize order processing, inventory management, and delivery tracking. The solution leverages modern web technologies and AI-assisted development tools to ensure scalability and efficiency. This is a chance to work on a high-impact product in a collaborative, Agile environment.
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
Qualifications
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
Additional Information
PERSONAL PROFILE
Strong communication, multitasking, and problem-solving skills
Analytical thinking and sound technical judgment
Quick grasp of existing digital products and architectures
Ready to shape the future of logistics technology? We are looking for a Middle/Senior Full Stack Developer to join our distributed team and help build a next-generation e-commerce fulfillment platform. This role offers remote flexibility with the option to work from Kraków, Poland.
At Sigma Software, we partner with some of Europe’s most innovative companies, delivering solutions that combine cutting-edge technology with business impact. You will work in a collaborative Agile environment, leveraging modern frameworks and AI-assisted tools to create high-performance solutions.
Why join us? You’ll be part of a long-term partnership, working on high-impact projects with access to advanced AI tools, cloud technologies, and a supportive team culture.
CUSTOMER
Our customer is one of Europe’s leading logistics providers, headquartered in Germany. Specializing in integrated supply chain systems and data-driven logistics optimization, they operate across multiple European markets, offering advanced warehousing, transportation, and fulfillment services. Sigma Software has been collaborating with them since 2017, delivering over 10 active projects that drive innovation and efficiency.
PROJECT
You will contribute to the development of a next-generation e-commerce fulfillment platform designed to automate and optimize order processing, inventory management, and delivery tracking. The solution leverages modern web technologies and AI-assisted development tools to ensure scalability and efficiency. This is a chance to work on a high-impact product in a collaborative, Agile environment.
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
Qualifications
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
Additional Information
PERSONAL PROFILE
Strong communication, multitasking, and problem-solving skills
Analytical thinking and sound technical judgment
Quick grasp of existing digital products and architectures