Senior Frontend Engineer (React / JavaScript)

Swediumglobal; Stockholms kommun; On-site; SEK 558,000 - 781,200; Full time

Job summary

Swediumglobal is seeking a Senior Frontend Engineer to join a product engineering team in Stockholm. The role focuses on developing advanced web applications emphasizing usability, performance, and AI integration. Ideal candidates will have strong frontend engineering experience and be capable of solving complex challenges in a dynamic product organization.

Responsibilities include building scalable UI components and collaborating across teams to ensure high-quality standards. Join us to drive innovation in an AI-enabled environment!

Qualifications

• 8+ years of experience in frontend engineering.
• Hands-on experience in developing high-quality frontend applications.
• Ability to work independently and drive technical initiatives.

Responsibilities

• Develop scalable and reusable UI components.
• Drive performance optimization and frontend reliability.
• Collaborate with product managers and designers.

Skills

Frontend engineering background

Production-grade frontend application building

Frontend architecture understanding

Performance optimization expertise

Strong communication skills in English

Tools

TypeScript

TanStack ecosystem

Job description

Experience: 8+ years

Location: Stockholm, ONSITE

Assignment Overview

You will join a product engineering team focused on building and evolving advanced web applications with a strong emphasis on frontend development, usability, and performance.

The assignment involves developing sophisticated UI functionality for AI-enabled workflows and collaborating closely with product, design, and backend engineering teams to deliver scalable and production-ready solutions.

This is a hands-on engineering role for someone who enjoys solving complex frontend challenges in a fast-moving product organization.

Responsibilities

• Develop scalable and reusable UI components and frontend architecture
• Drive performance optimization, responsiveness, and frontend reliability
• Collaborate closely with product managers, designers, and backend engineers
• Participate in architectural discussions and technical decision-making
• Improve developer experience, maintainability, and testing practices
• Contribute to experimentation and rapid product iteration in an AI-driven environment
• Work with modern APIs, real-time interactions, and data-intensive interfaces

Your profile:

• Strong frontend engineering background with several years of hands-on experience
• Experience building production-grade frontend applications with high quality standards
• Strong understanding of frontend architecture, state management, and performance optimization
• Experience working in product-oriented and fast-paced engineering environments
• Ability to work independently and drive technical initiatives forward
• Strong communication skills in English

Tech Stack needed

• Experience with TanStack ecosystem (TanStack Query, Router, Table, etc.)
• Experience with TypeScript
• Familiarity with cloud-native or distributed environments
• Experience working with AI-driven products or developer tools
• Understanding of modern experimentation and product analytics workflows
• Experience collaborating in highly cross-functional product organizations

Job Overview

• Location : Stockholm, Sweden
• Vacancy : 1