Senior Frontend Engineer – React/TypeScript, Fintech Impact

Lendo; Stockholms kommun; On-site; SEK 900,000 - 1,200,000; Full time

Job summary

Lendo, based in Stockholm, Sweden, is looking for a Senior Frontend Engineer to shape our web and mobile experiences with ownership from idea to release. You’ll work with a modern stack (React, TypeScript, GCP, Go) and collaborate closely with Product, Design and other engineers.

You will contribute to frontend architecture, ensure quality, and help drive performance improvements while mentoring peers and influencing technical decisions within the Product & Tech organization.

Qualifications

• Several years of professional experience building production-grade frontend applications.
• Strong hands-on experience with React and TypeScript.
• Experience building scalable frontend solutions and integrating with backend services.
• Experience with modern development workflows and CI/CD.
• Experience with testing and quality-focused development.
• Good understanding of frontend architecture and best practices.

Responsibilities

• Build and evolve web and mobile experiences using modern frontend technologies.
• Take end-to-end ownership from idea to release and maintenance.
• Build scalable and reusable solutions with React and TypeScript.
• Contribute to frontend architecture, standards and best practices.
• Collaborate with Product and Design to balance user needs and value.
• Integrate frontend with backend services via REST APIs.
• Ensure quality through testing, reviews and observability.
• Contribute to technical discussions and architectural decisions.
• Mentor colleagues and share knowledge across the engineering org.
• Identify technical debt and turn frontend improvements into value.

Skills

React

TypeScript

Frontend architecture

CI/CD

Testing

Tools

GitHub Actions

Docker

Kubernetes

Git

Yarn

Playwright

Sentry

Job description

Lendo, based in Stockholm, Sweden, is looking for a Senior Frontend Engineer to shape our web and mobile experiences with ownership from idea to release. You’ll work with a modern stack (React, TypeScript, GCP, Go) and collaborate closely with Product, Design and other engineers.

You will contribute to frontend architecture, ensure quality, and help drive performance improvements while mentoring peers and influencing technical decisions within the Product & Tech organization.