Security Web Gateway R&D Engineer Singapore Regular

ByteDance; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

ByteDance in Singapore is looking for a talented software engineer to design and develop security gateway architecture for Sealsuite. You'll work on Zero Trust and AI security solutions to enhance cybersecurity.

The ideal candidate will have a bachelor's degree in Computer Science, proficiency in programming languages like C++, and a strong foundation in Linux systems and networking. Join us to make a significant impact in the cybersecurity domain.

Qualifications

• Bachelor’s degree or above in Computer Science or a related field, with at least 1 year of development experience.
• Proficient in at least one programming language such as C++, Go, Java, or Rust.
• Solid foundation in Linux systems and networking, focusing on engineering excellence and code quality.
• Experience in Layer 4/Layer 7 proxy, security gateway, or VPN development.
• Self-motivated and proactive with strong teamwork and communication skills.

Responsibilities

• Design and develop application proxy and security gateway architecture for Sealsuite.
• Drive feature development and optimization for Zero Trust, Secure Web Gateway, CASB, and AI security solutions.

Skills

Programming in C++, Go, Java, or Rust

Linux systems and networking

Problem-solving in high-concurrency environments

Teamwork and communication skills

Education

Bachelor’s degree in Computer Science or related field

Tools

Databases

Caching systems

Message queues

Job description

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

1. Design and develop the application proxy and security gateway architecture for Sealsuite, building a highly available, high-performance, and scalable system.
2. Drive feature development and technical optimization for Zero Trust (ZTNA), Secure Web Gateway (SWG), Cloud Access Security Broker (CASB), and AI security solutions, supporting international business scenarios.

Qualifications

Minimum Qualifications

1. Bachelor’s degree or above in Computer Science or a related field, with at least 1 year of development experience.
2. Proficient in at least one programming language such as C++, Go, Java, or Rust; familiar with databases, caching systems, message queues, and long‑lived connections.
3. Solid foundation in Linux systems and networking, with a strong commitment to engineering excellence and code quality.
4. Experience in Layer 4/Layer 7 proxy, security gateway, or VPN development; capable of analyzing and solving complex problems in high‑concurrency and large‑scale network environments.
5. Self‑motivated, proactive, with strong teamwork, communication skills, and a customer‑oriented mindset (B2B focus).

Preferred Qualifications

1. Experience in designing highly available and disaster recovery architectures; hands‑on experience with microservices and high‑concurrency platforms.
2. Experience in developing AI security gateway products, with independent insights and a strong understanding of AI security.