Backend Software Engineer, SealSuite

Responsibilities
About the Team
Our team is dedicated to elevating the level of cybersecurity to fully support Bytedance as well as our clients' digital journey. We aim high at building the next-generation cybersecurity. Rooted from years of practical experience in the enterprise security domain within ByteDance, the team now runs as a business. We provide a comprehensive set of security capabilities to help our clients develop a Secure Access Service Edge(SASE) architecture with simplicity and convenience. The team is agile, efficient and open. Your idea matters. We are expanding to APAC, Middle East, and Europe markets. Join us, and be part of the excitement of making a real difference.

Job Responsibilities
Responsible for Non-China business services and component development for SealSuite.
Design, implement, and optimize high-availability architecture solutions for SealSuite’s backend services.
Participate in and lead the formulation of technical solutions within the team, ensuring implementation and achieving product market fit.
Contribute to solution development, enhancing product stability, performance, openness, and scalability.

Qualifications
Minimum Qualifications
Bachelor’s degree or higher in Computer Science or a related field, with at least 2 years of software development experience.
Proficiency in at least one programming language such as C, C++, Go, Python, or Java in a Linux environment.
Familiarity with MySQL, Redis, message queues, RPC, and related technologies.
Strong understanding of computer principles, with solid foundations in operating systems, networking, data structures, and algorithms.
Strong programming skills and modular design abilities, with a commitment to high-quality code.
Excellent problem-solving skills and experience in diagnosing and resolving complex system issues.

Preferred Qualifications
Experience in designing high-availability architectures for large-scale systems, with a background in microservices and high-concurrency platforms.
Familiarity with Linux kernel and various network protocols, with experience in developing VPNs, firewalls, or related security products.

About Us
Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Lemon8, CapCut and Pico as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content.​


Why Join ByteDance
Inspiring creativity is at the core of ByteDance's mission. Our innovative products are built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and enrich life - a mission we work towards every day.​
As ByteDancers, we strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our Company, and our users. When we create and grow together, the possibilities are limitless. Join us.​
Diversity & Inclusion​
ByteDance is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At ByteDance, our mission is to inspire creativity and enrich life. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.​