Lead Software Engineer -Client Platforms

PreVeil is a rapidly growing SaaS company transforming secure communication and compliance for the modern enterprise.

Our encrypted email and file sharing platform delivers the strength of end-to-end encryption with the simplicity of Dropbox and has been recognized by PC Magazine as the Best Encrypted Email and File Sharing Solution five years in a row.

We are trusted by over 2,200 Defense contractors, helping them protect Controlled Unclassified Information (CUI) and comply with CMMC, DFARS, and ITAR — the cybersecurity and export control standards that govern the U.S. Defense Industrial Base. PreVeil’s platform is the gold standard for defense suppliers protecting sensitive information and achieving compliance efficiently.

With our leadership position in Aerospace & Defense established, we are now expanding into Healthcare, Tax, Legal, and Financial Services — industries facing similar security and compliance challenges that PreVeil can solve.

We’re seeking a Lead Software Engineer, Client Platforms to join our team. We’re scaling our end-to-encryption product, and we need people who can design and build secure, distributed applications and protocols. The core software is in Python/Go, and runs on Windows, macOS, and web clients. This position is a hybrid role coming to our Boston office two days a week.

• Design, develop, and maintain high-performance applications and APIs running on Windows, macOS, and web clients.
• Apply software engineering best practices and distributed systems thinking to the domains of file synchronization and identity management.
• Ensure the security and reliability of our applications through secure coding techniques.
• Diagnose and resolve issues related to performance, scalability, and reliability.
• Collaborate with engineering, product, design, and infrastructure teams during feature development.
• Guide and mentor junior engineers by providing insightful code review and design review feedback.

• BS or MS in Computer Science or related field, or equivalent practical experience.
• Solid understanding of software engineering principles, data structures, and algorithms.
• Minimum of 5 years of experience developing a commercial product with a client component.
• Strong understanding of API interfaces and Go and/or Python.
• Familiarity with relational database design and management (e.g., SQL, database indexes, SQLite).
• Ability to work in our Boston office two days per week.

• Experience building user applications on macOS (swift) or Windows (C++) interacting with network and file systems (e.g., file storage, access control, sockets).
• Strong understanding of cryptographic fundamentals (e.g., public-private key encryption, symmetric encryption, digital signatures).
• Understanding of secure identity verification and authentication mechanisms (e.g., PKI, WebAuthn).
• Familiarity with distributed systems (e.g., replication, consistency models, fault tolerance, coordination algorithms)

• Opportunity to work on meaningful problems that improve privacy and security for everyone.
• Competitive salary and equity package.
• Health and dental insurance
• A team of highly motivated, mission-driven professionals