Backend Developer (TON | API Integration)

Telegram Open Network; Italia; Remoto; EUR 60.000 - 85.000; Tempo pieno

Descrizione del lavoro

A leading blockchain technology firm is seeking a Backend Developer to enhance the TON Connect API for Doggverse, a metaverse project. Ideal candidates have over 5 years of backend development experience, especially with Node.js/Express. Responsibilities include designing APIs, managing user authentication, and ensuring security for a large user base. This remote position offers competitive benefits including medical expense compensation and 20 days of paid vacation annually.

Servizi

Medical expense compensation

20 days paid vacation

Access to internal conferences and events

Competenze

• 5+ years backend development experience.
• Strong knowledge of networking & concurrency.
• Experience with long-lived connections and retries.

Mansioni

• Design and implement backend APIs.
• Build user authentication and transaction processing flows.
• Ensure performance and security.

Conoscenze

Backend development with Node.js/Express

Networking and concurrency expertise

Data caching

Clear technical communication

Strumenti

MongoDB

Descrizione del lavoro

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.

Our goal is to enhance the infrastructure and improve the protocol with the help of talented engineers.

We are looking for a skilled Backend Developer to build and enhance the TON Connect API infrastructure for Doggverse — a core infrastructure product enabling secure and seamless interaction between wallets and decentralized applications in the TON ecosystem. With your expertise, we aim to scale the protocol, improve security and performance, and deliver a reliable experience to millions of users worldwide.

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.