Company Description: SeQurin is building a hybrid post-quantum telecom security fabric focused on securing 5G and 6G control planes. The platform combines adaptive AI-based orchestration, post-quantum cryptography (PQC), and QKD-ready integration to protect next-generation telecom infrastructure with low-latency, standards-aligned cryptographic intelligence. SeQurin’s telecom-native, quantum-secure control fabric operates above existing hardware trust anchors, enhancing security without disrupting core infrastructure.

The company’s solutions are designed specifically for telecom environments and are ready to meet demanding defense-grade security requirements.

Role Description: This is a full-time, on-site Software Engineer & Senior Software Engineer roles based in Chennai, Tamil Nādu. We're expanding our engineering team in Chennai and are looking for exceptional Software Engineers (2–3 years) and Senior Software Engineers (3–5 years) with solid expertise in protocol-level design and development.

Passionate about solving complex networking and security challenges while building next-generation communication systems, we'd love to hear from you

What We're Looking For

Protocol Engineering





Strong experience in wireless and telecom protocol design, development, testing, and product releases.

Solid understanding of networking protocols, systems programming, and communication stacks.

Technical Skills

Excellent programming skills in C and C++.

Experience with Linux and embedded Linux development.

Exposure to Go, Rust, Erlang, or Python is an advantage.

Modern Engineering Practices

Experience working with DevOps, CI/CD pipelines, containerized environments, and cloud-native development.

Security Expertise (Highly Desirable)

Exposure to cryptographic technologies and secure communication protocols will be a significant advantage, including:

IPsec

TLS/SSL

Cryptographic libraries

Post-Quantum Cryptography (PQC)

5G Core and Network Security The Ideal Candidate

You enjoy working close to the protocol stack, thrive on solving challenging engineering problems, and are motivated to build secure, high-performance communication systems.

Location

Chennai (Candidates based in Chennai or willing to relocate immediately are preferred.)

📌 Software Engineer (Chennai)
🏢 SeQurin
📍 Chennai