> Markdown version of [/jobs/ext/4638381-lead-software-engineer](https://www.wearedevelopers.com/jobs/ext/4638381-lead-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Software Engineer - **Company:** Preveil, Inc. - **Location:** Boston, MA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Application Programming Interfaces (APIs), Apple Mac Systems, Authentication Protocols, C++ (Programming Language), Code Review, Databases, Data Structures, Relational Databases, Digital Signature, File Systems, Distributed Systems, Fault Tolerance, Identity and Access Management, Python (Programming Language), Public Key Infrastructure, Secure Coding, Software Construction, Software Engineering, SQLite, SQL Databases, Information Technology - **Published:** November 8, 2026 - **Apply:** https://www.juju.com/job/28_25303_a742490047179c6fa1a9ccb281435664 ## About the Role * 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). Preferred Skills * 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). ## Description * 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.