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Kotlin Cross-Platform Web3 (non-EVM) Developer

Bitcoin Unlimited
Department:Software Engineer
Type:REMOTE
Region:Australia
Location:Australia
Experience:Entry level
Estimated Salary:A$80,000 - A$120,000
Skills:
KOTLINKOTLIN MULTIPLATFORMWEB3BLOCKCHAINSMART CONTRACTSRESTFUL APISWEBSOCKETSCRYPTOGRAPHYJETPACK COMPOSEGITCI/CD
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Job Description

Posted on: September 18, 2025

Position Description: Kotlin Cross-Platform Web3 (non-EVM) DeveloperRole Overview

The Kotlin Cross-Platform Web3 Developer will design, develop, and maintain decentralized applications (dApps) using Kotlin for cross-platform solutions, integrating blockchain technologies. This role focuses on delivering scalable, secure, and efficient applications that interact with Web3 ecosystems. We are specifically building a UTXO based non-EVM based Web3 solution.

Key Responsibilities

  • Develop cross-platform applications using Kotlin Multiplatform and Compose, targeting web, mobile, and desktop environments.
  • Integrate Web3 technologies, including blockchain protocols and smart contracts, into applications.
  • Collaborate with backend developers to connect dApps with decentralized networks and APIs.
  • Ensure code quality through unit testing, code reviews, and adherence to best practices.
  • Optimize applications for performance, scalability, and security in Web3 contexts.
  • Stay updated on Web3 trends, Kotlin advancements, and blockchain development tools.

Required Skills and Qualifications

  • Proficiency in Kotlin and experience with Kotlin Multiplatform for cross-platform development.
  • Understanding of Web3 concepts, including blockchain, smart contracts, and decentralized protocols.
  • Experience with RESTful APIs and WebSockets for blockchain integration.
  • Knowledge of secure coding practices and cryptography basics for Web3 applications.
  • Strong problem-solving skills and ability to work in a fast-paced, collaborative environment.

Desirable Skills

  • Experience with Jetpack Compose or other modern UI frameworks for cross-platform apps.
  • Familiarity with blockchain ecosystems.
  • Understanding of CI/CD pipelines and version control (e.g., Git).
  • Knowledge of cloud platforms for hosting dApps.

Qualifications

  • Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent experience).
  • 2+ years of experience in Kotlin development, with at least 1 year in Web3 or blockchain projects.

Location

  • Remote

Why Join Us?

  • Work on cutting-edge Web3 projects with a focus on decentralization and innovation.
  • Collaborate with a dynamic team passionate about blockchain, distributed finance and cross-platform development.
  • Opportunities for growth in the rapidly evolving Web3 space.

Applications and resumes should be sent to careers@nexa.org

Originally posted on LinkedIn

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