Svitla Systems Inc. is looking for a Senior Front End Developer with Matrix for a full-time position (40 hours per week) in Ukraine. Our client is a digital identity platform that empowers individuals to securely own and manage their personal information online. It allows users to create a portable digital identity that they fully control, eliminating the need for multiple usernames and passwords across different platforms. Users can obtain verifications from trusted entities, such as banks or educational institutions, to authenticate aspects of their identity, enhancing trust and security in digital interactions. The platform offers encrypted messaging and document sharing, ensuring users can communicate and exchange information safely. The solution includes a digital wallet feature, enabling users to manage various digital assets and currencies within the same secure environment.
The project is building a next-generation digital identity platform that empowers users to take control of their data, privacy, and online identity. As part of this mission, they are rebuilding their messaging system using the Matrix protocol—an open, secure, and decentralized standard for real-time communication. The client is looking for a Principal Engineer with expertise in Matrix client development to lead the front-end evolution of their messaging experience. This role focuses on implementing Matrix client-side features, improving usability, and supporting future-facing functionality across web and mobile.
Requirements:
- 8+ years of experience in software engineering.
- 4+ years of hands-on experience with the Matrix protocol.
- Deep knowledge of Matrix client-server APIs and encryption mechanisms.
- Solid understanding of frontend development with frameworks like React, React Native, or equivalent.
- Proven UI/UX sensibility and ability to create polished user interfaces.
Responsibilities:
- Build or contribute to Matrix clients (e.g., Element or custom implementations).
- Utilize the Matrix client-server API to implement chat functionality.
- Work with modern frontend frameworks (including mobile as needed).
- Ensure a seamless and polished user experience, focusing on UI/UX.
- Support future features aligned with the platform’s product roadmap.
Nice to Have:
- Experience with other decentralized communication protocols.
- Contributions to the Matrix ecosystem.
- Familiarity with mobile frameworks (React Native, iOS, Android).
- Understanding of decentralized identity (DID, SSI).
- Open-source project involvement or standards body participation (IETF, W3C).
We offer
- Competitive compensation based on skills and experience.
- Flexibility in the workspace and remote-friendly culture.
- Free webinars, meetups and conferences organized by Svitla.
- Personalized learning program tailored to your interests and skill development.
- Awesome team, friendly and supportive community!
About Svitla
Svitla Systems is a global digital solutions company headquartered in California, with business and development offices throughout the US, Latin America, Europe, and Asia. Svitla is an outspoken advocate of workplace flexibility, best known for its well-established remote culture, individual approach to our teammate’s professional and personal growth, and trustworthy environment.
Since 2003, Svitla has served a wide range of clients, from innovative start-ups in California to mega-large corporations such as Ingenico, Amplience, InvoiceASAP and Global Citizen. At Svitla, developers work with clients’ teams directly, building lasting and successful partnerships, as a result of seamless integration with on-site processes.
Svitla Systems’ global mission is to build a business that contributes to the well-being of our partners, personnel and their families, improves our communities, and makes a lasting difference in the world. Join us!
