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Senior Software Engineer - Security Platform

Join Cloudflare as a Senior Software Engineer to build secure and resilient distributed systems for secrets and key management.

Location
United States
Compensation
$194k–$266k/yr
Level
senior
Type
full time · Remote

Posted by employer 21 hours ago

First seen on Joblaze 4 hours ago

Last verified on the company career page 4 hours ago

What you'll build

  • Build and operate secure and resilient distributed systems for secrets and key management
  • Run and support the systems we build
  • Consult on the design and architecture of new systems and products
  • Participate in the On Call rotation for emergency incident response

Must have

  • Software development and distributed systems design expertise
  • Linux/UNIX system administration proficiency
  • Strong security background with a focus on implementation

Nice to have

  • Track record of contributing to open source security or distributed systems projects
  • Cryptography background and ability to work with cryptosystems at the primitives level
  • Experience with HSMs, TPMs, or other platform TEEs
  • Familiarity with HashiCorp Vault or OpenBao
  • Familiarity with Go and/or Python + Salt specifically

Practical constraints

  • Participate in the On Call rotation for emergency incident response

Not disclosed in this posting: years of experience, visa sponsorship.

Benefits

401k Match Flexible Paid Time Off Equity/Stock Options Health Insurance Parental Leave

Joblaze summary

In the role of Senior Software Engineer on the Security Platform team, the individual will focus on building and maintaining secure distributed systems for secrets and key management. Proficiency in software development, distributed systems design, and Linux/UNIX system administration is essential, along with a strong security implementation background. This position is suited for experienced engineers who thrive in a hands-on environment and are eager to contribute to infrastructure engineering rather than policy compliance. The team emphasizes collaboration and iterative improvement, leveraging AI to enhance their systems.

Joblaze insights

  • Listed today — first seen on Joblaze October 8, 2026. Last confirmed on Cloudflare's careers page October 8, 2026.
  • Salary band is above the typical range for Security roles (median ~$170,000).
  • Starts above 74% of 100 comparable senior security roles in United States that list Python we track (median $170,200 across 42 companies). See Python salary trends
  • Python appears in 40.2% of 323 comparable senior security roles in United States; HSM appears in 0.3% of 323 comparable senior security roles in United States.

Quick facts

Is the Senior Software Engineer - Security Platform role remote?
Yes — Cloudflare lists this as a fully remote position.
What's the salary range?
Cloudflare lists $194,000–$266,000 for this role.
What's the tech stack?
Joblaze extracted these technologies from the posting: AMD SEV, Apple Secure Enclave, Go, HSM, HashiCorp Vault, Intel SGX.
What seniority level is this role?
Cloudflare targets senior candidates for this position.
Is this full-time or contract?
Full-time for this Senior Software Engineer - Security Platform role at Cloudflare.

From the original posting

About Us

Available Locations

  • Atlanta, US
  • Austin, US
  • Denver, US
  • New York, US
  • San Francisco, US
  • Seattle, US
  • Washington DC, US
  • Canada

About the Role

The Security Platform team is an infrastructure/developer tools group tasked with building and operating powerful, resilient, and secure infrastructure and systems that enable other engineering teams to deliver products to our customers efficiently and securely. We are responsible for secrets management, internal certificate authorities/PKI, machine and workload identity, and more. We are not a policy, audit, or compliance team, but rather an infrastructure engineering/software development one.

Responsibilities

You’ll build and operate secure and resilient distributed systems for secrets and key management, running across our network that spans more than 310 cities in over 120 countries. Our focus is strengthening/re-architecting internal PKI and machine/workload identity. You’ll run and support the systems we build, both in an operational sense and by helping other internal developers use them. You will participate in the On Call rotation for emergency incident response. You’ll consult on the design and architecture of new systems and products to ensure they are built securely and use our services correctly.

Required skills

  • Software development and distributed systems design expertise.

  • Linux/UNIX system administration proficiency.

  • Strong security background with a focus on implementation, not policy/compliance.

Bonus/nice-to-have skills

  • Track record of contributing to open source security or distributed systems projects.

  • Cryptography background and ability to work with cryptosystems at the primitives level.

  • Experience with HSMs, TPMs, or other platform TEEs (e.g. AMD SEV, Intel SGX, Apple Secure Enclave).

  • Familiarity with HashiCorp Vault or OpenBao, or similar.

  • Familiarity with Go and/or Python + Salt specifically.

Compensation

Compensation may be adjusted depending on work location.

  • For California based hires: Estimated annual salary of $194,000 - $266,000
  • For Colorado based hires: Estimated annual salary of $168,000 - $231,000
  • For New York based hires: Estimated annual salary of $185,000 - $254,000
  • For Washington based hires: Estimated annual salary of $185,000 - $254,000
  • For Washington DC based hires: Estimated annual salary of $185,000 - $254,000
  • For Canada based hires: Estimated annual salary of $150,000 - $206,000

Applications will be accepted until December 25, 2026.

Equity

This role is eligible to participate in Cloudflare's equity plan.

Benefits

Cloudflare offers a complete package of benefits and programs to support you and your family. Our benefits programs can help you pay health care expenses, support caregiving, build capital for the future and make life a little easier and fun! The below is a description of our benefits for employees in the United States, and benefits may vary for employees based outside the U.S.

Health & Welfare Benefits

  • Medical/Rx Insurance
  • Dental Insurance
  • Vision Insurance
  • Flexible Spending Accounts
  • Commuter Spending Accounts
  • Fertility & Family Forming Benefits
  • On-demand mental health support and Employee Assistance Program
  • Global Travel Medical Insurance

Financial Benefits

  • Short and Long Term Disability Insurance
  • Life & Accident Insurance
  • 401(k) Retirement Savings Plan
  • Employee Stock Participation Plan

Time Off

  • Flexible paid time off covering vacation and sick leave
  • Leave programs, including parental, pregnancy health, medical, and bereavement leave

What Makes Cloudflare Special?

Standard company text repeated across Cloudflare's postings is omitted here.

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