Junior Full Stack Developer

Company Description

Are you ready to kick-start your career in a project that blends cutting-edge technology with real-world impact? We are looking for a Junior Full Stack Developer to join our remote team and help build a next-generation e-commerce fulfillment platform for one of Europe’s largest logistics companies.

At Sigma Software, we value curiosity, collaboration, and continuous learning. You’ll work in a supportive environment where innovation is encouraged, and your ideas matter. This is a great opportunity to grow your skills in both back-end and front-end development while exploring AI-assisted coding tools in a production setting.

Why join us? You’ll be part of a global team delivering impactful solutions, using modern technologies, and shaping the future of logistics.

CUSTOMER
Our client is one of Europe’s leading logistics providers, headquartered in Germany, specializing in integrated supply chain systems and data-driven logistics optimization. Operating across multiple European markets, they offer 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

• Develop and maintain robust software applications using TypeScript/JavaScript, Node.js, Nest.js, and React
• Implement new functionality from scratch, such as role-based access control services, API integrations, and endpoint development, under the guidance of Senior Developers
• Collaborate closely with stakeholders to define, design, and deliver new features
• Work in an AI-augmented development environment, leveraging tools like Claude Code, Cursor, and Microsoft Copilot
• Participate in code reviews, ensuring code quality and maintainability
• Contribute to continuous improvement of development processes and team collaboration practices
• Follow Agile/SCRUM methodologies and actively participate in ceremonies

Qualifications

• Commercial experience in software development with a focus on TypeScript/JavaScript stack
• Proven experience with Node.js, React.js, and REST API development
• Familiarity with AI-assisted coding tools (Claude Code, Cursor, Microsoft Copilot, or similar)
• Ability to write effective prompts for AI-generated code and refactoring
• Experience preparing code for AI-assisted review and translating AI-generated specifications into implementation tasks
• Strong debugging and validation skills for AI-generated code
• Excellent communication and multitasking abilities
• Strong problem-solving and decision-making skills with a results-oriented mindset
• Analytical thinking and solid technical judgment
• Ability to quickly understand existing digital products and architectures
• 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)
• Experience in AI-assisted requirements breakdown and task decomposition (e.g., spec-kit, BMAD)

Additional Information

PERSONAL PROFILE

• Collaborative mindset and willingness to learn
• Interest in backend development with readiness to work across the full stack
• Passion for quality, clean code, and continuous improvement
• Adaptability to work in a dynamic, AI-driven development environment