Senior Software Engineer (C++/Rust)

Senior Software Engineer (C++/Rust)

Location: Dublin – Hybrid

Type: Permanent

Package: Excellent salary, equity potential & strong career progression

About the Company

An exciting opportunity to join a growing cybersecurity and secure technology business building a completely new software platform from the ground up. The engineering team is tackling technically challenging problems around data protection, encryption and secure systems , with the successful candidate joining during an important stage of product development. Rather than maintaining legacy applications, you'll have the opportunity to shape a greenfield platform, influence technical decisions and take genuine ownership of key areas of the technology .

What We Are Looking For

We are looking for an experienced systems engineer with a strong C++ background and exposure to Rust , ideally gained within security-focused, low-level or performance-sensitive software environments.

Key experience includes:

• Strong commercial programming experience with C/C++
• Practical development experience with Rust
• Solid understanding of systems programming and native software development
• Knowledge of memory management and secure software engineering
• Experience working with encryption, cryptography or key-management concepts
• Exposure to SQLCipher or other encrypted storage/database technologies
• Understanding of communication boundaries between C/C++ and Rust , including FFI and IPC
• Ability to interpret technical designs and turn them into reliable production software
• Experience contributing to technical decisions and engineering best practices
• Comfortable mentoring or supporting other software engineers

Responsibilities

• Develop key components of a new security-focused systems platform using C++, C and Rust
• Engineer low-level functionality responsible for encryption, secure data handling and key lifecycle management
• Build reliable mechanisms for storing and accessing encrypted information
• Design communication and integration points across different areas of the technology stack
• Solve challenging problems involving memory, validation, application security and system reliability
• Contribute to architectural decisions as the platform continues to evolve
• Promote high standards around testing, code reviews, documentation and maintainability
• Troubleshoot complex technical issues across multiple layers of the system
• Share technical knowledge and provide guidance to engineers as the development team expands

Nice to Have

• Hands-on experience with SQLCipher, encrypted databases or secure storage
• Deeper knowledge of applied cryptography and encryption technologies
• Familiarity with security frameworks or standards such as NIST and FIPS
• Previous experience within cybersecurity, privacy, encryption or secure communications
• Exposure to highly regulated or audit-focused software environments
• Experience helping take a new systems-level product from initial development into production.