Back End Engineer

Location : Remote (preferred India-based)

Type : Contract (with potential to join founding team full-time + equity)

Toka is on a mission to make secondhand, first choice.

We’re building the world’s first AI-native resale platform for furniture and home goods. Imagine if buying secondhand felt as smooth, beautiful, and reliable as buying new. We’re aiming to be the amazon of resale.

We’re now we’re expanding our team with a mid level back end engineer to help us ship fast, test bold ideas, and join Toka's world class engineering team.

What you’ll do

• Develop Core Backend Services : Design, develop, and maintain production-ready Java 21 microservices using Spring Boot 3.x (Web, Security, Validation) for high-performance and scalable application functionality.
• Implement Cloud Persistence : Engineer efficient and secure data models and CRUD operations utilizing Google Cloud Firestore as the primary NoSQL data store.
• Integrate Third-Party APIs : Implement complex integrations, focusing on Firebase Admin SDK for authentication / security and the Stripe Java SDK for critical flows like Identity Verification and secure webhook processing.
• Develop REST APIs for Mobile Client : Design, implement, and optimize robust, secure, and scalable RESTful APIs to support all features of the mobile application.
• Ensure Code Quality & CI / CD : Write comprehensive unit and integration tests (JUnit 5, Mockito, Testcontainers with Firestore Emulator) and maintain code quality standards (Spotless) enforced via GitHub Actions CI pipelines.
• Maintain Security Posture : Ensure all API endpoints are secured using the custom Firebase ID token filter, enforce Token UID match, and handle sensitive data / webhook signatures securely.
• Collaborate & Optimize : Work closely with (ex-Atlassian) founders, participating in code reviews and optimizing services for performance and reliability.

Must-have (4+ Years Experience)

Preferred

Why join us?

Let’s build the future of resale. 🌍