| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
sigmasoftware2 | Poland | $87k - $180k | |||
Binance | Hong Kong, Hong Kong |
| |||
SwissBorg | Remote | $90k - $120k | |||
Base | New York, NY, United States | $87k - $87k | |||
| Learn job-ready web3 skills on your schedule with 1-on-1 support & get a job, or your money back. | | by Metana Bootcamp Info | |||
Crossmint | Spain | $122k - $150k | |||
Plural | San Francisco, CA, United States | $160k - $200k | |||
CoinTracker | United States | $175k - $210k | |||
Silver.dev | Buenos Aires, Argentina | $60k - $80k | |||
Token Metrics | Austin, TX, United States | $84k - $150k | |||
Sum Pictures | Los Angeles, CA, United States | $85k - $87k | |||
Binance | South East Asia |
| |||
Binance | Taipei, Taiwan |
| |||
travoom | Austin, TX, United States | $84k - $150k | |||
RugsDotFun | Remote | $100k - $240k | |||
Alliance | New York, NY, United States | $180k - $260k |
Company Description
Imagine building a mobile-first platform that could replace payment cards, loyalty cards, and even business cards with one sleek digital identity that works anywhere. This is your chance to join a cutting-edge FinTech/blockchain project as a Senior Android Developer, working fully remotely with a talented, globally distributed team.
At Sigma Software, we are passionate about creating solutions that shape the future. In this role, you’ll work on a product with global reach that combines blockchain, NFC, and QR technologies to deliver secure identity verification and instant transactions.
Why join us? You’ll be part of an innovative environment where your expertise will directly contribute to a product poised for mass adoption, offering career growth, exposure to advanced technologies, and the opportunity to make a real impact.
CUSTOMER
Our client is a leading FinTech/blockchain company specializing in digital identity solutions that integrate payments, loyalty programs, and enterprise networking. Their mission is to replace physical cards with a secure, interoperable digital identity usable across multiple sectors. At the intersection of FinTech, retail, and enterprise networking, they are driving innovation with blockchain, NFC, and QR technologies to deliver seamless and secure user experiences.
PROJECT
You’ll work on a mobile-first platform powered by blockchain, NFC, and QR technology, integrating retail loyalty programs and enterprise networking tools. This solution enables users to instantly share verified contacts, payments, and rewards. This is a unique opportunity to contribute to a product that blends hardware and software integration, has global scalability, and offers diverse use cases across industries.
Key technologies: Android Native, Kotlin Multiplatform (KMP), Jetpack Compose, NFC, QR code integration, and blockchain infrastructure.
Job Description
- Design, develop, and maintain high-quality native Android applications
- Implement SOLID principles and Clean Architecture patterns
- Build modular, reusable components and design systems
- Collaborate with cross-functional teams including iOS, Back-end, and product
- Work on blockchain-integrated features, NFC, and QR-based interactions
Qualifications
- 5+ years of experience in native Android development
- Strong knowledge of SOLID principles and Clean Architecture
- Proficiency in Jetpack Compose
- Experience with modularization and reusable components
- Experience with Android Native or Kotlin Multiplatform (not React Native or Flutter)
- Upper-Intermediate level of English or higher
WOULD BE A PLUS
- Experience with crypto wallets
- Experience with video processing or streaming features
Additional Information
PERSONAL PROFILE
- Proactive and self-driven
- Strong attention to detail
- Collaborative team player
- Comfortable working in a distributed team environment
- Passionate about emerging technologies
What does a React developer in web3 do?
A React developer in the context of web3 is a developer who is using the React JavaScript library to build user interfaces for decentralized applications (dApps) that run on the Ethereum blockchain
These dApps often use smart contracts to facilitate transactions and other interactions on the Ethereum network
Overall, the role of a React developer in web3 involves using your skills in React development to help build cutting-edge decentralized applications that leverage the power of the Ethereum blockchain
As a React developer in web3, some of your responsibilities might include:
- Integrating the dApp with the Ethereum blockchain. This might involve using tools like web3.js and Ethers.js to connect to the Ethereum network and interact with smart contracts.
- Building the user interface for a dApp using React. This could involve creating components for the various elements of the dApp, such as buttons, forms, and other input elements.
- Implementing features that are specific to decentralized applications, such as handling cryptocurrency transactions and displaying data from the blockchain in a user-friendly way.
- Collaborating with other members of the development team, such as blockchain engineers and designers, to ensure that the dApp functions properly and meets the needs of the end users.