Software Engineer, Secrets Infrastructure

Who we are

About Stripe

Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone’s reach while doing the most important work of your career.

About the team

The Secrets Infrastructure team provides the cryptographic identity and secrets management foundation for Stripe. We build and operate the internal certificate authority that authenticates every person and service at Stripe, and the secrets platform that manages everything from financial partner credentials to infrastructure access keys.

We build foundational security infrastructure at scale: our certificate authority issues mTLS client certificate identities for thousands of services and engineers, and our secrets platform and libraries protect access to critical financial systems and external partners across all of Stripe’s codebases, services, and platforms. The technical challenges include building systems with 99.99%+ availability, implementing TLS workload identity and attestation logic for new platforms, and designing secret management tools that are both secure and user-friendly. Our infrastructure must be both reliable and developer-friendly—we maintain libraries in Go, Java, Ruby, and Python. As a small team responsible for critical systems, engineers take on meaningful ownership. Through collaboration with teams across Stripe, you'll build and set direction for the authentication and secrets management underpin identity in distributed systems at scale.

Secrets Infrastructure is a fully remote team, with a small presence in the Seattle and New York City offices. We pride ourselves on a friendly, technically rigorous, and supportive team culture.

What you'll do

You'll be responsible for TLS identity and secrets infrastructure that every Stripe service depends on. You'll build infrastructure, developer tools, and guide partner teams on architecture decisions; we regularly need to help other teams reason about cryptographic primitives and PKI, transitive trust, potential failure modes and threat models.

Since our infrastructure and libraries are used across the entire Stripe codebase, you'll work in Go, Java, Ruby, and Python. The services we own are written in Go, so most of your hands-on work will be in Go. The typical balance of hands-on work is about 60% coding, 20% infrastructure work, and 20% security design/guidance with partner teams.

Responsibilities

  • Design and implement significant features in our certificate authority and secrets management systems
  • Work across Go, Java, Ruby, and Python to implement authentication and secrets infrastructure used by every service at Stripe
  • Work with with other engineering teams to understand their needs and design secrets and identity integrations
  • Develop certificate provisioning and secret management integrations for various compute platforms (Kubernetes, EC2, developer workstations)
  • Work on reliability improvements to maintain 99.99%+ availability for critical infrastructure; we take pride in making failure modes impossible instead of reacting to them
  • Participate in on-call rotation for critical infrastructure, working alongside senior engineers to debug and resolve production issues

Who you are

We’re looking for a senior candidate who has enough prior experience in security, backend API development, and infrastructure to quickly take responsibility for significant projects. We're looking for someone who meets the minimum requirements to be considered for the role. If you meet these requirements, you are encouraged to apply. The preferred qualifications are a bonus, not a requirement.

Minimum requirements

  • 5+ years of professional software development experience. Strong programming skills in Go, with significant experience in other similar system programming languages (C++, Rust, C#, etc) as a potential alternative.
  • 3+ years of infrastructure and security experience (can overlap with other experience)
  • Experience in cryptography, PKI, secret management, or other security topics
  • Familiarity with infrastructure tools like Kubernetes, Terraform, and cloud platforms
  • Interest in security, infrastructure, and software development
  • Enthusiasm for learning new technologies and working across multiple programming languages
  • Strong debugging and problem-solving skills; the team maintains and troubleshoots integrations across all Stripe languages and infrastructure
  • Clear verbal and written communication skills and ability to collaborate effectively with other engineers
  • Experience leading cross-team projects and building alignment on multi-team technical direction
  • Strong technical writing skills to write design documents
  • On-call experience

Preferred qualifications

  • Prior experience building PKI or secret management infrastructure (as an SWE - not just provisioning a 3rd party tool or service)
  • Experience in Java, Ruby, or Python
  • Experience building developer tools, libraries, or platform services
  • Experience with kubernetes internals (how the platform works, not just as a user)
  • Experience operating complex services on AWS
  • Experience in fully remote work environments

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Common Interview Questions And Answers

1. HOW DO YOU PLAN YOUR DAY?

This is what this question poses: When do you focus and start working seriously? What are the hours you work optimally? Are you a night owl? A morning bird? Remote teams can be made up of people working on different shifts and around the world, so you won't necessarily be stuck in the 9-5 schedule if it's not for you...

2. HOW DO YOU USE THE DIFFERENT COMMUNICATION TOOLS IN DIFFERENT SITUATIONS?

When you're working on a remote team, there's no way to chat in the hallway between meetings or catch up on the latest project during an office carpool. Therefore, virtual communication will be absolutely essential to get your work done...

3. WHAT IS "WORKING REMOTE" REALLY FOR YOU?

Many people want to work remotely because of the flexibility it allows. You can work anywhere and at any time of the day...

4. WHAT DO YOU NEED IN YOUR PHYSICAL WORKSPACE TO SUCCEED IN YOUR WORK?

With this question, companies are looking to see what equipment they may need to provide you with and to verify how aware you are of what remote working could mean for you physically and logistically...

5. HOW DO YOU PROCESS INFORMATION?

Several years ago, I was working in a team to plan a big event. My supervisor made us all work as a team before the big day. One of our activities has been to find out how each of us processes information...

6. HOW DO YOU MANAGE THE CALENDAR AND THE PROGRAM? WHICH APPLICATIONS / SYSTEM DO YOU USE?

Or you may receive even more specific questions, such as: What's on your calendar? Do you plan blocks of time to do certain types of work? Do you have an open calendar that everyone can see?...

7. HOW DO YOU ORGANIZE FILES, LINKS, AND TABS ON YOUR COMPUTER?

Just like your schedule, how you track files and other information is very important. After all, everything is digital!...

8. HOW TO PRIORITIZE WORK?

The day I watched Marie Forleo's film separating the important from the urgent, my life changed. Not all remote jobs start fast, but most of them are...

9. HOW DO YOU PREPARE FOR A MEETING AND PREPARE A MEETING? WHAT DO YOU SEE HAPPENING DURING THE MEETING?

Just as communication is essential when working remotely, so is organization. Because you won't have those opportunities in the elevator or a casual conversation in the lunchroom, you should take advantage of the little time you have in a video or phone conference...

10. HOW DO YOU USE TECHNOLOGY ON A DAILY BASIS, IN YOUR WORK AND FOR YOUR PLEASURE?

This is a great question because it shows your comfort level with technology, which is very important for a remote worker because you will be working with technology over time...

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