Senior Backend Developer - Remote

Overview

We are seeking a dedicated and driven Senior Backend Developer with a "ship-first" mindset who takes initiative to deliver results quickly and support our growth.

In Short

• Maintain and develop new features for all our products: Website, iOS & Android Apps, Browser Extension, and Web App.
• Develop and maintain a Firebase-powered account system coupled with Stripe for financial transactions.
• Collaborate with team members on integration work across different platforms.
• Interact with users to triage and fix issues.
• Write and maintain unit and end-to-end tests to ensure high-quality code.
• Contribute to code reviews and team best practices.

Requirements

• A strong passion for language learning, with studying an Asian language—particularly Japanese—being an added bonus.
• 3+ years of experience as a Software Engineer (Back-End, Front-End, or Full-Stack).
• Ability to develop and maintain backend components in Kotlin, Javascript and Python.
• Strong experience with Google Cloud or other cloud technologies.
• Strong Linux proficiency.
• Experience working with Firebase account systems.
• Familiarity with hosting solutions on Cloudflare.
• Knowledge and experience of Kotlin Multiplatform (KMP) is a plus.
• Experience mentoring junior engineers.
• Ability to be on call and respond to critical backend issues promptly.

Benefits

• Opportunity to work in a fully remote environment.
• Be part of a growing company focused on language learning.
• Collaborate with a passionate team.
• Flexible working hours.
• Professional development opportunities.