About Lynk Lynk is the inventor of satellite direct to device or D2D technology, and has the world’s only commercial license from the FCC to operate a commercial D2D system. Today, Lynk allows mobile network operators' subscribers to send and receive text messages to and from space via standard unmodified, mobile devices. Lynk’s service has been tested and proven on all seven continents, has regulatory approvals in more than 30 countries and is currently being deployed commercially based on more than 40 MNO commercial service contracts covering approximately 50 countries. Our technology will enable all 8 billion people on the planet to stay connected with the existing standard phone in their pocket. Everywhere. No matter what. By joining Lynk, you will have the opportunity to directly touch the lives of billions. Your mission will be to bring mobile broadband to billions, pull hundreds of millions out of poverty, and save countless lives. What You'll Do As a Senior Software Engineer at Lynk, you will be a technical leader in designing, building, and operating the software that powers our satellites and ground network. You will set the standard for engineering excellence, mentor other engineers, and take on our most complex challenges in distributed systems, real-time software, and global-scale operations. Responsibilities * Lead the architecture and design of high-reliability, mission-critical software for our satellite and ground systems. * Drive the full development lifecycle, from technical strategy and requirements definition to implementation, testing, and operational excellence. * Mentor junior engineers and champion best practices in software design, particularly in object-oriented (OO) principles. * Create sophisticated simulation, emulation, and hardware-in-the-loop (HITL) test environments to ensure system-wide integrity. * Participate in operations, including data analysis, system monitoring, and visualization. * Collaborate in architecture, design, and code reviews. Basic Qualifications * Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related technical field (or equivalent practical experience). * 5+ years of professional experience in software development. * Expert-level proficiency in at least one object-oriented language (e.g., C++, Python, Java, C#) and a deep mastery of OO design principles. * Demonstrable experience designing and building complex, scalable, and reliable software systems. * Strong foundation in data structures, algorithms, and systems design. * Exceptional communication (written and verbal) and documentation skills, with a proven ability to articulate complex architectural decisions to diverse audiences. * A highly collaborative, team-oriented, and positive attitude, with a knack for mentoring and elevating the entire team. Preferred Qualifications * 8+ years of professional experience in software development. * Professional experience with C++ and Python. * Experience designing scalable and modular solutions, including multi-threaded applications and stateless services. * Experience developing with networking protocols (e.g., TCP/IP, UDP) and building distributed systems. * Familiarity with CI/CD, test automation, simulation, or hardware-in-the-loop (HITL) testing. * Experience with modern monitoring, data analysis, and visualization tools. * Experience with Linux-based development environments. * A creative and analytical approach to solving ambiguous and complex technical problems. * Proven ability to thrive and provide technical leadership in a fast-paced, dynamic environment. * A passion for tackling complex problems and taking full ownership from concept to completion. * Interest in or experience with networking, wireless protocols, or telecommunications (e.g., 2G/GSM, 4G/LTE) is a plus, but not required. Location: Chantilly, VA