Senior Full-Stack Engineer - Build Next-Gen B2B Freight

Zendr; Jönköpings kommun; On-site; SEK 700,000 - 1,000,000; Full time

Job summary

Zendr is seeking hands-on Senior Fullstack Developers to join a fast-growing SaaS team building a B2B freight platform. You will own end-to-end development from backend services and APIs to frontend experiences, delivering scalable and reliable solutions that create real value for customers.

You will work in a collaborative environment with product owners, QAs, UX, and other developers, emphasizing clean code, pragmatism and strong ownership.

Qualifications

• Degree in CS, SE, or related field.
• Minimum 5 years of professional software development experience.
• Strong proficiency in Node.js and Express.js.
• Experience designing REST APIs and scalable backend.
• Experience with cloud platforms (AWS) and modern frontend frameworks.

Responsibilities

• Design, build and shape Zendr's new platform.
• Develop scalable solutions with TypeScript and Node.js.
• Design and implement REST APIs for core features.
• Use modern frontend frameworks for smooth UX.
• Collaborate with cross-functional teams to deliver quality solutions.
• Build automated tests for performance and reliability.
• Contribute to engineering best practices and discussions.
• Stay updated on new technologies and stack improvements.

Skills

Node.js

Express.js

REST APIs

Frontend frameworks

SQL/NoSQL databases

AWS

Team collaboration

Education

Bachelor's degree in CS/SE or related

Tools

Docker

Git

Job description

Zendr is seeking hands-on Senior Fullstack Developers to join a fast-growing SaaS team building a B2B freight platform. You will own end-to-end development from backend services and APIs to frontend experiences, delivering scalable and reliable solutions that create real value for customers.

You will work in a collaborative environment with product owners, QAs, UX, and other developers, emphasizing clean code, pragmatism and strong ownership.