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Zscaler

Principal Software Development Engineer - Golang/Python + Networking

Zscaler · Bangalore, IND

Posted about a month ago

or apply directly on Zscaler's site. We never take the application ourselves.

Is this posting real?

This role has been open
30 days
Zscaler's roles stay open a median of 40 days
Reposted
No
Salary listed
No
0% of Zscaler's roles list one
Ghost-job risk at Zscaler
low
0 stale, 19 reposted of 370 open
Hiring momentum
564 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-09-17

Measured from postings appearing on and disappearing from Zscaler's own greenhouse board since 2026-08-03. Full hiring picture for Zscaler.

About this role

As a Principal Software Development Engineer at Zscaler, you will design and optimize high-performance network system architecture and security features for mission-critical applications. Your role involves collaborating with various stakeholders to understand complex use cases, authoring specifications, and driving unit testing to ensure product quality. You will also coach junior team members and contribute to enhancing the multitenant architecture of the world's largest cloud security platform.

Our read on this posting3.0out of 5
benefits
3/5
freshness
4/5
career value
4/5
role clarity
4/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Zscaler as an employer.

What you need

  • Bachelor's or Master's degree in Computer Science or a related field
  • 10+ years of experience in system engineering for high-performance networking
  • Expertise in Linux kernel-based networking (L2/L3), stateful firewalls, NAT, network drivers, routing protocols (BGP, OSPF, PIM), and protocols like VLANs, DHCP, DNS, SSL, DTLS, QUIC, IPsec, GRE, and WireGuard
  • Proficiency in Go and Python programming languages
  • Strong problem-solving skills for debugging complex data path issues
  • Strong communication and collaboration skills to design scalable systems effectively in a high-accountability environment

Nice to have

  • Experience integrating AI/ML frameworks or intelligent data path analysis models
  • Experience with WireGuard, tunneling protocols (GRE, L2VPN), HA protocols (VRRP), certifications like FIPS or FedRAMP, and prior experience with TLS, DTLS, and QUIC
  • Familiarity with cloud computing platforms (AWS or Azure), containerization technologies (Docker, Kubernetes), and advanced virtualization or security solutions

What you get

  • Various health plans
  • Time off plans for vacation and sick time
  • Parental leave options
  • Retirement options
  • Education reimbursement
  • In-office perks, and more!

Worth weighing

  • Role is hybrid based in Bangalore, India
  • No salary listed
  • Focus on high-performance networking may limit exposure to other areas of software development

Summarised from Zscaler's posting. Read the full original.

Listed by Zscaler on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.

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