Senior Software Engineer

We are seeking a skilled Senior Software Engineer to join us here at Sign In Solutions. As an engineer, you will work closely with an innovative team to build a robust middleware layer, abstracting system-specific complexities, and enabling seamless communication between local access control systems and cloud services. The ideal candidate is a skilled software engineer with experience in system integration, middleware development, and secure communication protocols, who thrives on solving complex problems.

This is a hybrid role (3x/week) based in Charlotte, NC.

About Us

Sign In Solutions is an innovative workplace enablement partner that goes beyond traditional visitor management, combining the comprehensive software and real-time analytics modern organizations need to mitigate risk, elevate experiences, and empower people. Launched in 2021 with funding from PSG , Sign In Solutions acquired Sign In App, Sign In Enterprise (formerly Traction Guest), Sign In Compliance (formerly ThreatSwitch), Sign In Workspace (formerly Pronestor) , Sign In Scheduling (formerly 10to8) and Sign In Central Record (formerly SCR Tracker)

Culture

Culture is important at Sign In Solutions. Our values don’t just sit on a glossy page. We live them every day. Our values are the cornerstone of who we are:

Customer 1st

Respect & Dignity

Accountability & Empowerment

Honestly & Positivity

We're Here To Win

Do Good & Give Back

Skills:

• 5+ years of experience with developing desktop applications and services (Windows and Linux)
• Proven experience with languages commonly used in system programming, such as Go, Rust, C#, Python, or Java
• Strong understanding of network infrastructure, communication protocols (e.g., TCP/IP, HTTP, MQTT), and security principles
• Expertise in secure data transmission, encryption (TLS/SSL, AES), and authentication methods (OAuth, PKI)
• Familiarity with secure communication between with cloud services using RESTful APIs or WebSockets
• Knowledge of cloud platforms like AWS, Azure, or Google Cloud, and secure data transmission methods (e.g., TLS/SSL, OAuth, PKI)
• Proficiency in implementing secure coding practices and familiarity with common vulnerabilities (e.g., OWASP)
• Proficient understanding of code versioning tools
• Excellent problem-solving skills and attention to detail
• Strong communication and collaboration abilities




Nice to have:

• Experience with Ruby on Rails
• Experience working with Access Control systems or similar hardware integrations
• Knowledge of protocols used by access control systems (e.g., Wiegand, OSDP, BACnet, or custom APIs)
• Ability to work with real-time data streams or event-driven architecture

What You Will Be Doing:

• Design, develop, and maintain desktop applications that interact securely with cloud services
• Implement secure communication protocols between the application, cloud services, and local Access Control systems
• Work with APIs, SDKs, and protocols from leading access control platforms (e.g., Lenel, Genetec)
• Abstract system-specific functionalities into a flexible middleware layer
• Ensure software security best practices are followed, including encryption and secure data handling
• Debug, troubleshoot, and optimize application performance
• Document technical designs, processes, and updates comprehensively
• Have ownership and responsibility of the code and the product
• Research new technology and design patterns in collaboration with fellow engineers propose changes that bring both short term and long term benefits

This isn’t just about us getting to know you. We believe you need to dive in to get to know us. We encourage you to research and read up on our company news and articles. Throughout the recruitment process, you will be given the opportunity to ask lots of questions, meet different members of our team, and get hands-on to showcase your skills. As you get to know what we’re all about, we hope you’ll become increasingly confident and excited that we could be your next big move.

Once your application is received and reviewed, qualified candidates will move on to our next steps. Our general recruitment process has the following steps:

Phone Interview with our HR team

Meet with the hiring manager and other members of the team

Culture meeting with members of the Sign in Solutions team

We are an equal-opportunity employer and love diversity at our company! We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, or disability status.