Senior Full-Stack Engineer - TS/Node.js & API Focus

Zendr; Stockholms kommun; On-site; SEK 700,000 - 900,000; Full time

Benefits offered by this job

Direct impact on core product

Modern tech stack

High ownership and autonomy

Culture that values ideas

Growth opportunities

Competitive salary + locally adapted福利

Job summary

Zendr is hiring a horough fullstack engineer to design, build, and own features across the stack. You will leverage TypeScript, Node.js, and Express, shaping scalable backend services and REST APIs while collaborating with frontend teams to deliver polished user experiences.

You will work within a modern tech stack, own parts of the platform, contribute to code quality, and participate in CI/CD and testing practices to ensure reliability and performance.

Qualifications

• A completed three-year bachelor's degree or a five-year master's degree in Computer Science, Software Engineering, Systems Science or a related technical field
• At least 4 years of professional software development experience
• Recent, hands-on experience building and owning backend services in a typed language — TypeScript, C#, Java, Go or similar
• Strong backend proficiency, ideally with Node.js and Express.js
• Experience designing and implementing REST APIs
• Hands-on experience with cloud platforms (preferably AWS)
• Experience with at least one modern frontend framework (React, Svelte, Angular, Vue)
• Practical experience with SQL and NoSQL databases
• Production observability and monitoring (logging, metrics, tracing) and familiarity with CI/CD and Docker

Responsibilities

• Play a central role in designing, building, and shaping our new platform
• Develop scalable and efficient solutions using TypeScript and Node.js
• Design and implement REST APIs to power our platform's core features
• Work with modern frontend frameworks to deliver smooth user experiences
• Collaborate closely with cross-functional teams to deliver high quality solutions
• Build automated tests to ensure performance, reliability and maintainability
• Contribute to technical discussions and help drive engineering best practices
• Stay on top of modern technologies and identify opportunities to improve our stack

Skills

Fullstack development

REST APIs

TypeScript

JavaScript

Education

Bachelor’s or Master’s in CS/SE/Systems Science

Tools

Node.js

Express.js

AWS

React

Svelte

Angular

Vue

SQL/NoSQL

Job description

Zendr is hiring a horough fullstack engineer to design, build, and own features across the stack. You will leverage TypeScript, Node.js, and Express, shaping scalable backend services and REST APIs while collaborating with frontend teams to deliver polished user experiences.

You will work within a modern tech stack, own parts of the platform, contribute to code quality, and participate in CI/CD and testing practices to ensure reliability and performance.