Backend Developer (TON | API Integration)

Telegram Open Network; Town of Italy (NY); Hybrid; USD 100,000 - 130,000; Full time

Job summary

A blockchain technology company is seeking a Backend Developer for a revolutionary metaverse project. You will design and implement backend APIs, handle user authentication, and ensure system security. Applicants should have 5+ years of experience with Node.js/Express and strong networking skills. This role offers a remote setup, medical compensation, and paid vacation days.

Benefits

20 working days of paid vacation annually

Access to internal conferences

Medical expenses compensation

Qualifications

• 5+ years backend development experience.
• Mastery of background processes and long-lived connections.

Responsibilities

• Design and implement backend APIs with clean endpoints.
• Build user authentication and transaction processing flows.
• Ensure security, performance, and maintain tests.

Skills

Node.js/Express

Networking

Concurrency

MongoDB

Technical communication in English

Job description

Overview

Doggverse is a revolutionary metaverse built on the TON blockchain, creating a unique virtual world for animal lovers, especially dogs. This advanced platform combines cutting-edge technologies like virtual reality, artificial intelligence, and decentralized economics to provide an unparalleled experience for users. Our dynamic team of 5-10 members is committed to developing an interactive ecosystem on Telegram for millions of users.

Our mission is to build a standardized and scalable backend framework that:

• Is developer-friendly and easy to integrate with dApps.
• Supports multiple wallet providers with flexible configurations.
• Can handle millions of users efficiently.

Responsibilities

• Design, implement, and ship backend APIs with clean endpoints and distribution (e.g., /buy, /lease).
• Build core metaverse flows: user authentication, transaction processing, and stable dApp connections (TON Connect).
• Deliver assets & history: balances, tokens/jettons, NFTs, and accurate transaction previews/emulation.
• Integrate with TON Connect, Bot API, and off-chain databases (MongoDB) for getgems.io synchronization.
• Ensure security, performance, and reliability; maintain robust automated tests and sample integration apps.

Requirements

• 5+ years backend development with Node.js/Express or similar.
• Strong networking & concurrency, long-lived connections, retry/backoff; background processes mastery.

Offline-first persistence

• MongoDB, schema/versioning, data caching.
• Security fundamentals: secure key handling, hardware-backed keys.
• Performance & quality: profiling, unit/integration tests, CI.
• Clear technical communication in English.

Nice-to-have

• Web3/TON exposure: TON Connect/WalletConnect, TonCenter v3.
• Event-driven/reliable messaging: queues, retries, idempotency, offline event stores.
• Auth UX: Biometrics, passkeys/FIDO2, secure session design.
• Telemetry/analytics for APIs; open-source contributions.
• Deep integration with TON mini apps.

Why it is a fantastic opportunity

• Our business is growing at an exponential scale.
• Non-bureaucratic management that focuses on results.
• Regular performance reviews to assess your progress.
• Remote setup with access to our hubs if needed.
• Compensation for medical expenses.
• Provision of necessary equipment.
• 20 working days of paid vacation annually.
• 11 days off per year.
• 14 days of paid sick leave to support your health and recovery when needed.
• Access to internal conferences, English courses, and corporate events.
• Payment starts after Christmas (December 2025), with potential $DOGG token incentives.