Senior Full-Stack Developer Internal Products & Digital Tooling
Workplace: HÄGERSTEN, Sverige
Expires: August 27, 2025
We are seeking a Senior Full-Stack Developer to design and develop internal digital products and scalable technical tools to advance Jordgubbsprinsen's digital infrastructure. The role involves product engineering with end-to-end ownership from architecture to code to deployment, working closely with leadership to build advanced software solutions that support business-critical operations.
Main requirements:
  • Minimum 4–5 years of experience in full-stack development
  • Able to work independently on complex systems
  • Ability to write clean, modular, testable code
  • Deep understanding of system design patterns, performance, and architecture
  • Experience building internal platforms or B2B tools is a strong advantage
  • Willingness to work on-site in a small agile team
  • Strong problem-solving mindset and engineering discipline
Responsibilities:
  • Design and build high-performance, modular full-stack applications tailored for internal users
  • Architect reusable, scalable and secure systems for data processing, reporting, and automation
  • Lead the full development lifecycle including requirements gathering, system design, development, testing, and deployment
  • Continuously optimize applications for performance, reliability, and maintainability
  • Implement version control, testing pipelines, and modular codebases
  • Collaborate on UI/UX improvements for in-house tools
Required hard skills:
  • Full-stack development with .NET Core / ASP.NET Core
  • C# (async/await, dependency injection, LINQ, Entity Framework)
  • React (Hooks, Context API, functional components)
  • TypeScript / JavaScript ES6+
  • Database management with PostgreSQL, SQL Server, or Firebase
  • REST APIs and GraphQL
  • Version control with Git (GitHub or GitLab)
  • CI/CD pipelines (GitHub Actions or similar)
Recommended hard skills:
  • Node.js for lightweight services or integrations
  • Redis and RabbitMQ for async processing or pub-sub
  • Google Apps Script
  • Python for data tooling or process automation
  • Bash and PowerShell scripting
  • Docker and Docker Compose
  • NGINX, IIS web servers
  • Cloud platforms Azure or AWS
  • Postman, Swagger/OpenAPI for API testing
  • Error tracking tools like Sentry, LogRocket
  • UI/UX design tools such as Figma, Storybook
  • Experience with component-based UI architecture
Soft skills:
  • Ability to work independently
  • Excellent problem-solving skills
  • Engineering discipline
  • Fast mover without compromising code quality
  • Collaborative mindset for UI/UX improvements
Coding languages:
  • C#
  • JavaScript
  • TypeScript
  • Python
  • Bash
  • PowerShell
Frameworks:
  • .NET Core
  • ASP.NET Core
  • React
  • Node.js
Operating systems:
  • Windows
  • Linux (implied for Docker, Bash usage)
Natural languages:
  • English (Proficient)
Cultural skills:
  • Working effectively in a small, agile, cross-functional team
  • Creative freedom and leadership in product development
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