Senior Software Engineer, Cryptography

As a Senior Software Engineer specializing in Cryptography at VIA, you will design, implement, and automate secure, scalable microservices leveraging cutting-edge privacy and Web3 technologies. You will collaborate with senior engineers on VIA's Zero Trust Fabric, a product where passwordless login, decentralized identity, and blockchain integration provide the highest level of security to individuals and organizations.

What you'll do

• 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 including cryptography, passwordless login, classical and post-quantum cryptography, and 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

What you bring

• 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 zero-trust design principles
• Experience developing RESTful APIs (e.g. FastAPI) secured by OAuth2/JWT
• Experience integrating asymmetric and/or symmetric encryption, hashing, and digital signatures in applications
• Exposure to Web3 technologies such as smart contracts and multi-signature setups
• 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

Nice to have

• Previous experience leading an Agile team of developers
• Exposure to blockchain systems, zero-knowledge proofs, IETF RFCs, or FIPS/NIST/CNSA-validated cryptography
• Exposure to Istio Service Mesh and observability tooling
• Working knowledge of data structures, algorithms, databases (SQL and NoSQL), and in-memory data storage

What we offer

• Salary range of $150,000-$200,000 USD per year
• 401(k) plan with up to 5% employer contribution
• Fully funded, top-tier health benefits plan including vision and dental coverage, fully covered from day one for your whole family
• Up to 24 weeks paid parental leave, a 4-week paid ramp-back program, and a $10,000 family forming benefit covering fertility treatments, adoption, and surrogacy
• Flexible vacation policy with no set annual limit or accrual period, Summer Fridays, and an extended holiday period in December
• Flexibility to work from home as needed, as well as access to three well-located offices designed for collaboration
• Ability to work remotely from eligible locations for up to 2 months per year
• Individualized growth opportunities, including internal and external mentorship panels, custom goals and feedback sessions, and access to learning and development programs including VIA's leadership program
• A dedicated wellness advisor to help you navigate the programs and opportunities available at VIA
• Benefits to support commuting costs
• In-person events to foster team bonding and collaboration across different teams

About VIA

VIA is a mission-critical software company headquartered in Boston, Massachusetts, that enables organizations to share and analyze sensitive data at speed without compromising security or control. VIA's decentralized architecture keeps data sovereign, agentic AI helps organizations solve critical challenges, and military-grade security governs access. The Department of War, Fortune 50 companies, and critical infrastructure companies around the globe trust VIA to help them solve their toughest analytics and digital security challenges.