Job Description

The Team

Synonym is building the world's first digital free-market society, "The Atomic Economy." The Atomic Economy is a civic-engineering initiative to replace traditional institutions with open protocols and products that empower individuals.

Our current products include Pubky (self-sovereign identity & open social graph), Pubky Ring (Pubky keychain & auth), Bitkit (Bitcoin & Lightning wallet), and Blocktank (Lightning Service Provider). Each product demonstrates building blocks for a new society. It is our mission to prove a complete, interoperable alternative to today's centralized systems, rooted in digital autonomy, 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.

The Job

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.

We use GitHub and Slack for project management.

USA citizens and USA residents are not eligible for this position. Remote only*

Contract type:

Full-time

Location:

Remote

Salary:

Based on experience, be prepared to communicate your requirements

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.
Job Type: 100%

Benefits:

Company events Work from home
Application Question(s):

Can you describe a complex feature you've built with React + Next.js that required advanced state management or server-side rendering? How have you optimized front-end performance (e.g., rendering speed, bundle size, API calls) in large-scale applications? In your past work, how have you approached collaborating with protocol/backend engineers to integrate complex APIs or real-time data into the front end?
Experience:

Front-end development: 5 years (Required)
Work Location: Remote