Android Developer

Telegram Open Network; Italia; Remoto; EUR 50.000 - 70.000; Tempo pieno

Descrizione del lavoro

A rapidly growing tech company is seeking an experienced Android Developer to build and enhance the TON Connect Android SDK. You will design secure public APIs and ensure top performance for a seamless user experience. This position offers remote work flexibility, a supportive work environment, and competitive benefits including paid vacation and medical expense coverage.

Servizi

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

Access to internal conferences and English courses

Competenze

• 5+ years of Android development experience.
• Strong skills in networking, concurrency, and secure app handling.
• Experience in building libraries/SDKs for external use.

Mansioni

• Design and implement the Android SDK for TON Connect.
• Ensure security and performance across API 24+.
• Deliver core wallet functions and maintain robust testing.

Conoscenze

Android development with Kotlin

Networking & concurrency

Offline-first persistence

Security fundamentals

Performance profiling

Clear technical communication in English

Descrizione del lavoro

Overview

TON Connect is an infrastructure product that provides secure and seamless integration between wallets and decentralized applications within the TON ecosystem.

Our mission is to build a standardized and scalable connectivity 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 Android Developer to build and enhance the TON Connect Android SDK — 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 the Android SDK with clean public APIs and Gradle/Maven (AAR) distribution.
• Build core wallet flows: account setup/import, secure signing, send/receive, and stable dApp connections (TON Connect).
• Deliver assets & history: balances, tokens/jettons, NFTs, and accurate transaction previews/emulation.
• Ensure security, performance, and reliability across API 24+; maintain robust automated tests and a sample integration app.

Requirements

• 5+ years Android development with Kotlin; shipped libraries/SDKs used by external apps (AAR, semantic versioning).
• Strong networking & concurrency, coroutines/Flow, long-lived connections (SSE/WebSocket-like), retry/backoff; background/lifecycle mastery.
• Offline-first persistence: Room/SQLite, schema/versioning, data caching.
• Security fundamentals: Android Keystore/StrongBox, hardware-backed keys, secure secret handling.
• Performance & quality: profiling (Android Studio Profiler), strict main-thread budgeting, unit/integration tests, CI.
• Clear technical communication in English.

Nice-to-have

• Web3/TON exposure: mnemonics/derivation, signing, tokens/NFTs, TON Connect/WalletConnect, TonCenter v3.
• Event-driven/reliable messaging: queues, retries, idempotency, offline event stores.
• Auth UX: Biometrics (BiometricPrompt), passkeys/FIDO2 (Credential Manager), secure session design.
• Jetpack Compose components, theming, i18n; telemetry/analytics for SDKs; open-source contributions.
• Deep links/App Links and intent routing expertise.

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 in Dubai, Yerevan, London and Belgrade.
• 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.