Team

Founded in 2020, Synonym is preparing for the post-Bitcoin economy by designing and developing an ecosystem of products and protocols that includes Bitkit, Blocktank, and Pubky. Synonym empowers individuals to take control and ownership of their digital lives. We are committed to the principles of digital autonomy, privacy, and open-source technology.

Synonym is an entirely remote team working to bring new integrated products to open source protocols and cutting-edge peer-to-peer technology.

Role

We're seeking a React / NextJS Senior Engineer to join our growing Pubky team. You'll be instrumental in developing Progressive Web Applications (PWAs) and creating intuitive user interfaces primarily using React, Next.js, IndexedDB, Tailwind CSS, and Zustand for state management. Your work will directly impact the way users interact with decentralized and peer-to-peer technologies.

Contract type: Full-time

Location: Remote

Salary: Competitive. Please specify your requirements when applying.

USA citizens and USA residents are NOT eligible for this position.

Responsibilities

• Design & Development: Design and build sophisticated user interfaces using React and Next.js, ensuring exceptional user experience, local first performance, and responsiveness.
• PWA Development: Build responsive and reliable Progressive Web Applications to deliver seamless user experiences across web and mobile.
• Integration: Collaborate with cross-functional teams (e.g., product, UX, QA) to ensure seamless integration of new features and improvements into existing systems.
• State Management: Effectively use Zustand for scalable, performant, and maintainable state management.
• Collaboration: Work closely with product designers, backend engineers, QA specialists, and stakeholders to deliver seamless integrations and user-driven solutions.
• Optimization & Scalability: Continuously improve application performance, responsiveness, and scalability.
• Code Quality: Perform code reviews, maintain high standards, and ensure best practices are consistently applied.

Requirements

• React & Next.js: Demonstrated senior-level experience building robust frontend applications in React and Next.js.
• Progressive Web Apps (PWA): Proven expertise in creating PWAs with service workers, manifest configuration, offline functionality, and caching strategies.
• IndexedDB: Hands-on experience leveraging IndexedDB for efficient frontend data persistence and offline-first applications.
• Zustand: Solid practical experience in state management using Zustand for building scalable applications.
• Tailwind CSS: Proficient in designing modern, clean, responsive UI with Tailwind CSS.
• JavaScript/TypeScript: Strong foundational understanding and significant experience using TypeScript.
• Web Performance & Accessibility: Commitment to high-performance, responsive design principles, and accessible web standards.
• Version Control: Skilled with Git, comfortable collaborating within distributed teams.

Bonus Skills

• Bitcoin & Blockchain: Familiarity with Bitcoin or blockchain technologies.
• Cryptography & Security: Practical knowledge of cryptographic best practices, secure user data handling, and frontend security.
• P2P & Decentralized Systems: Experience with peer-to-peer architectures, decentralized networks, or federated technologies (Nostr, Mastodon, Bluesky, etc.).

Why Join Us?

• Impactful Work: Play a key role in shaping next-generation technologies that empower individuals and communities.
• Growth & Ownership: Enjoy the flexibility to define your role, innovate, and lead initiatives.
• Cutting-Edge Environment: Collaborate with a forward-thinking, decentralized team working on Bitcoin and peer-to-peer ecosystems.
• Remote Culture: Work from anywhere with flexible hours. We prioritize productivity and well-being.
• Generous Time Off: 28 vacation days per year.
• Two team meetups per year with travel expenses covered.

Full-Time, Remote

Team

Founded in 2020, Synonym is preparing for the post-Bitcoin economy by designing and developing an ecosystem of products and protocols that includes Bitkit, Blocktank, and Pubky. Synonym empowers individuals to take control and ownership of their digital lives. We are committed to the principles of digital autonomy, privacy, and open-source technology.

Synonym is an entirely remote team working to bring new integrated products to open source protocols and cutting-edge peer-to-peer technology.

Role

We're seeking a Rust Engineer to join our growing Pubky team. You will play a vital role in designing, building, and maintaining our core products, with a particular focus on Pubky Core and Pubky Nexus. This position is perfect for a self-driven individual who is ready to contribute to high-impact projects, ensure code quality, and contribute to core product development.

Contract type: Full-time

Location: Remote

Salary: Based on experience, be prepared to communicate your requirements

USA citizens and USA residents are NOT eligible for this position.

Responsibilities

• Design & Development: Architect, develop, and maintain robust Rust-based solutions for our core products and protocols.
• Integration: Collaborate with cross-functional teams (e.g., product, UX, QA) to ensure seamless integration of new features and improvements into existing systems.
• Code Quality: Perform code reviews, implement best practices, and maintain high standards of code quality and documentation.
• Scalability & Performance: Optimize applications for maximum speed, reliability, and scalability, ensuring efficient resource usage.
• Innovation: Stay informed about emerging libraries, and industry trends; proactively suggest and implement improvements or new approaches
• Security & Reliability: Work closely to protect user data and maintain system integrity.

Skills and Qualifications

• Expertise in Rust: Proven experience building production-grade applications or systems in Rust.
• Systems Programming: Comfortable working with low-level systems, concurrency, and performance optimization.
• Data & APIs: Familiarity with database management, RESTful APIs, and related technologies.
• Problem-Solving Mindset: Ability to break down complex challenges into manageable tasks and deliver scalable solutions.
• Collaboration: Strong communication skills and the ability to work effectively in a fully remote team setting.
• Version Control: Proficient with Git or similar tools for source code management.

Bonus Skills

• Cryptography: Practical knowledge of cryptographic techniques, protocols, and secure data handling.
• Server Protection: Experience building secure systems, protecting servers from potential threats, and designing robust access controls.
• Decentralized / P2P Systems: Exposure to peer-to-peer architectures and protocols.
• Blockchain / Bitcoin: Experience with Bitcoin or other blockchain technologies.
• Dex Social Technologies: Prior work on decentralized or federated social platforms like Nostr, Mastodon, Bluesky, etc.

Why Join Us?

• Impactful Work: Play a key role in shaping next-generation technologies that empower individuals and communities.
• Growth & Ownership: Enjoy the flexibility to define your role, innovate, and lead initiatives.
• Cutting-Edge Environment: Collaborate with a forward-thinking, decentralized team working on Bitcoin and peer-to-peer ecosystems.
• Remote Culture: Work from anywhere with flexible hours. We prioritize productivity and well-being.
• Generous Time Off: 28 vacation days per year.

Full-Time, Remote

Team

Founded in 2020, Synonym is preparing for the post-Bitcoin economy by designing and developing an ecosystem of products and protocols that includes Bitkit, Blocktank, and Pubky. Synonym empowers individuals to take control and ownership of their digital lives. We are committed to the principles of digital autonomy, privacy, and open-source technology.

Synonym is an entirely remote team working to bring new integrated products to open source protocols and cutting-edge peer-to-peer technology.

Role

As a part of our dynamic team, you'll play a pivotal role in ensuring the quality and performance of Bitkit, our self-custodial mobile Bitcoin wallet app and Pubky App, our content App based on Pubky Core.

Initially, your primary focus will be on the front-end of our mobile wallet, but will be expected to extend and maintain an automated test suite.

We use GitHub and Slack for project management.

Contract type: Full-time

Location: Remote

Salary: Based on experience, be prepared to communicate your requirements.

USA citizens and USA residents are NOT eligible for this position.

Responsibilities

• Quality Assurance: You will be responsible for the quality of our products. Perform automated and manual testing to maintain and enhance the quality of our mobile wallet app, ensuring it meets and exceeds user expectations.
• Agile Team Involvement: In an agile team, you will be involved from conception to product deployment, mastering features, defining the test strategy, tracking defects and bugs and creating automated tests.
• Problem Analysis: You will analyze issues and help the team find the most suitable solutions.
• Quality Improvement: Define and implement your ideas to improve product quality.
• Test Tools and Methodology: Contribute to the implementation of future manual and automated test tools, test methodology, and their optimization.
• Quality Coach: Involve the Product team in a quality-driven approach by playing the role of a QA coach.

Requirements

• Strong analytical and problem-solving skills with a keen eye for detail.
• Proven experience in quality assurance and testing, preferably in the mobile app domain.
• Familiarity with quality assurance processes and methodologies.
• Excellent communication and collaboration skills.
• A passion for ensuring an exceptional user experience and a commitment to maintaining high product quality.
• Ability to work both independently and as part of a team.
• Interest in P2P technologies and the mobile app industry.
• Knowledge of QA tools and frameworks

Technology Stack

• Typescript
• React Native
• Detox
• Appium
• Docker
• Github actions

Why Join Us?

• Impactful Work: Play a key role in shaping next-generation technologies that empower individuals and communities.
• Growth & Ownership: Enjoy the flexibility to define your role, innovate, and lead initiatives.
• Cutting-Edge Environment: Collaborate with a forward-thinking, decentralized team working on Bitcoin and peer-to-peer ecosystems.
• Remote Culture: Work from anywhere with flexible hours. We prioritize productivity and well-being.
• Generous Time Off: 28 vacation days per year.
• Two team meetups per year with travel expenses covered.

Full-Time, Remote