Senior Software Developer, Cryptography

VIA is making an impact, and so can you.

At VIA, our mission is to make communities cleaner, safer, and more equitable. We believe that by working across organizational boundaries, we can achieve greater collective good than we can individually. VIA overcomes digital barriers to collective action by providing the world’s most secure and simple data and identity protection solutions.

VIA is trusted by the U.S. Department of Defense and Fortune 100 companies around the globe to solve their toughest data and identity protection challenges. Using our Web3, quantum-resistant, passwordless technologies (19 issued patents), VIA protects data against theft, manipulation, and misuse.

An impressive mission requires an equally impressive Senior Software Developer, Cryptography

VIA is seeking a highly motivated Senior Software Developer specialising in Cryptography to join our team. You will design, implement, and automate secure, scalable microservices leveraging cutting‑edge privacy and Web3 technologies. You will collaborate with Senior engineers and developers on VIA's Zero Trust Fabric: A product where passwordless login, decentralized identity and blockchain integration come together to provide the highest level of security to individuals and organizations.

Individuals who excel in this role are motivated by solving complex architectural challenges and championing software excellence at the intersection of cryptography, Web3, and cloud platforms. Are you ready to join us?

• Lead the design and development of secure, reliable microservices, applying best practices in software architecture
• Define, document, and drive the adoption of efficient end‑to‑end SDLC and CI/CD automation pipelines
• Proactively monitor, troubleshoot, and optimize the performance of deployed applications

• Integrate VIA's Web3 components and privacy‑preserving technologies (e.g., cryptography, passwordless login, classical & post quantum cryptography, zero‑knowledge proofs)
• Develop and execute comprehensive automated testing strategies to ensure high software quality and robustness
• Continuously explore and integrate advancements in privacy, cryptography, and distributed systems

• Serve as a subject matter expert in privacy and security, guiding project delivery and technical choices
• Clearly articulate complex software designs and technical processes to diverse, cross‑functional teams

• Bachelor’s degree or higher in computer science, mathematics, engineering, or science
• 5+ years of relevant full‑stack or backend development experience
• Strong experience with cloud‑based microservices architecture, including Istio Service Mesh, zero‑trust, and observability
• Experience developing RESTful APIs (e.g., FastAPI) secured by OAuth2/Auth
• Experience integrating asymmetric and/or symmetric encryption in applications
• Extensive knowledge of parallel processing, message brokers, and/or distributed task queues
• Working knowledge of Docker containers and Helm charts
• Ability to advocate for technical excellence and maintain high software engineering standards
• Proven ability to give and receive thoughtful feedback on design documents
• Previous experience leading an Agile team of developers (a plus)
• Exposure to blockchain systems, zero‑knowledge proofs, or IETF RFCs (a plus)
• Working knowledge of data structures, algorithms, databases (SQL and No
  
  SQL), and in‑memory data storage (a plus)

• Self‑motivated and passionate about leaving everything they touch better than how they found it
• Firm believers that people should love what they do and are eager to build a culture that enables them to do their best work
• Creative problem solvers who respectfully challenge the status quo in the pursuit of excellence
• People who lead discussions with curiosity and value diverse perspectives
• Eager to explore new ideas, understand the power of feedback, and constantly seek opportunities to grow and develop their skills
• Strong team players who thrive in collaborative environments and celebrate the…