Junior Full Stack Developer (Logistics Domain)

Posted 6 Days Ago
Be an Early Applicant
Hiring Remotely in Kraków, Małopolskie, POL
In-Office or Remote
Junior
Software
The Role
Work as a junior full-stack developer on an e-commerce fulfillment platform using TypeScript/JavaScript, Node.js/Nest.js and React. Implement features, APIs, and integrations, participate in code reviews, collaborate with stakeholders, use AI-assisted coding tools, and follow Agile/SCRUM practices under senior guidance.
Summary Generated by Built In
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

  • At least 1.5 years of commercial experience in software development with a focus on the 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

Skills Required

  • At least 1.5 years of commercial experience in software development with a focus on the TypeScript/JavaScript stack
  • Proven experience with Node.js
  • Proven experience with Nest.js
  • Proven experience with React.js
  • Proven experience with 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
  • Experience working in SCRUM teams
  • Ability to quickly understand existing digital products and architectures
  • Excellent communication and multitasking abilities
  • Fluent English
  • 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)
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The Company
New York, New York
1,516 Employees

What We Do

Sigma Software Group, an award-winning and trusted IT partner, has been serving customers for over 21 years, providing comprehensive IT solutions to various businesses, ranging from startups to established software product houses. As one of Europe's substantial IT consultancies, it brings together a dedicated workforce of over 2,100 professionals in 40 offices across 19 countries. With a diverse client base, including more than 300 enterprises, including Fortune 500 stalwarts, Sigma Software Group is a preferred choice for developing solutions that help businesses create cutting-edge products while meeting their unique needs. Sigma Software Group operates as a dynamic ecosystem of tech companies, offering 25 ready-to-implement innovative products and 40+ value-added services. Furthermore, Sigma Software Group is committed to fostering innovation through initiatives such as the Sigma Software Labs business incubator, Sigma Software University, the SID Venture Partners VC Fund, UA Tech Network, Techosystem, the European Business Association, and other collaborative efforts. Since 2015, Sigma Software Group has consistently earned recognition on the IAOP's prestigious World's Top 100 Outsourcing list. The company's accomplishments have also been acknowledged by prominent global media outlets such as Forbes, CNBC, The Times, and Reuters

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