Senior Full Stack Engineer (US & Canada)

Remote from
USA flag
USA
Salary, yearly, USD
160,000 - 250,000
Department
Programming
Employment type
Full Time,
Job posted
Apply before
23 Jun 2026
Experience level
Senior
Views / Applies
15 / 3

About infisical

All-in-one platform to securely manage application secrets, certificates, SSH keys, and configurations across your team and infrastructure.

Verified job posting
This job post has been manually reviewed for authenticity and compliance.

AI Summary

<p>Infisical is seeking a Senior Full Stack Engineer to join their remote team, focusing on building open-source security infrastructure. The role involves developing features, expanding product lines like PKI and SSH, and experimenting with AI for secrets management. Candidates need deep expertise in React, Node.js, and TypeScript with a bias toward action. The company offers competitive compensation with salary and equity, and values high ownership and growth.</p>

Job Complexity

Easy Hard
AI Insight The role requires deep technical mastery in JavaScript ecosystem plus bonus skills in Go, DevOps, and startup experience, indicating a high bar. The expectation to communicate directly with enterprise customers and drive end-to-end ownership adds to the difficulty.

Salary Analysis

Median
USD205,000
US Market
USD120,000 – USD250,000
AI Insight The offered salary range of $160,000 - $250,000 is competitive for a senior full stack engineer, with a median of $205,000 aligning well with market rates for top-tier talent in the US.

Key Skills

React.js Node.js TypeScript Go Secrets Management PKI SSH DevOps Open Source Startup Experience

Dear Hiring Team,

I am writing to express my strong interest in the Senior Full Stack Engineer position at Infisical. With deep expertise in React, Node.js, and TypeScript, and a passion for building high-quality security infrastructure, I am excited about the opportunity to contribute to your open-source platform.

In my previous role, I led the development of scalable features and collaborated directly with enterprise clients, demonstrating my ability to take ownership and deliver results. I am particularly drawn to Infisical's mission of simplifying security for developers and the chance to work on cutting-edge products like PKI and SSH.

I thrive in fast-paced environments and am eager to bring my technical skills and startup experience to your team. Thank you for considering my application.

Sincerely, [Your Name]

Can you describe a time you had to make a technical decision with incomplete information? How did you proceed?
In a previous project, we needed to choose a caching strategy without full traffic data. I prototyped two approaches, ran load tests with simulated data, and chose the simpler one to iterate quickly. We later optimized based on real metrics.
How would you design a scalable secrets rotation system?
I would use a scheduler to trigger rotations, store versioned secrets in a secure backend, and integrate with cloud provider APIs to update services. The system should support rollback and audit logging, with a focus on minimal downtime.
Explain how you would debug a performance issue in a Node.js application.
I'd start by profiling with tools like clinic.js or Node's built-in profiler to identify bottlenecks, check for memory leaks using heap snapshots, and optimize database queries or async operations. Then, I'd implement caching or code refactoring as needed.
Describe your experience with open source contributions. How do you approach maintaining code quality?
I have contributed to several open source projects by submitting pull requests with clear documentation and tests. I follow the project's coding standards, use linters, and ensure thorough code reviews. I also engage with the community to gather feedback.
A customer reports a critical bug in production. How do you handle it?
I would first assess the severity and impact, then communicate with the customer to set expectations. I'd reproduce the bug, write a fix with tests, and deploy a hotfix. Post-incident, I'd analyze root cause and add monitoring to prevent recurrence.

Infisical is looking to hire exceptional talent to join our teams in building the open source security infrastructure stack for the AI era.

We’re building a generational company with a world-class engineering team. This isn’t a place to coast — but if you want to grow fast, take ownership, and solve tough problems, you’ll be challenged like nowhere else.

What We’re Looking For

We’re looking for an exceptional Full Stack Engineer to help us build, optimize, and expand the foundation of the platform.

We’ve kept our hiring standards exceptionally high since we expect engineers to tackle a broad range of challenges on a day-to-day basis. Examples of past engineering initiatives include developing strategies for secret rotation and dynamic secrets, a gateway to provide secure access to private resources, protocols like EST and KMIP, integrations for syncing secrets across cloud providers, and entire new product lines such as Infisical PKI and Infisical SSH.

You’ll be working closely with our CTO and the rest of the engineering team to:

  • Develop and maintain features whilst communicating directly with enterprise customers.
  • Expand our newer Infisical PKI, Infisical SSH, and Infisical KMS product lines.
  • Experiment with novel approaches for applying AI to secrets management and more broadly security infrastructure.

Requirements

  • Deep technical mastery of the JavaScript ecosystem, particularly React.js, Node.js, and TypeScript (3+).
  • Exceptional attention to detail and eager to learn.
  • A bias toward action—able to make decisions with incomplete information, iterate quickly, and take calculated risks.
  • Based in the United States.

Bonus

  • Expertise in Go.
  • Has some understanding of devops/developer tools.
  • Previous founder or startup experience.
  • Previous experience building in open source or developer tools in either a professional or personal setting.
  • Excellent written and oral communication skills to interact with customers directly.

How You’ll Grow

In this role, you’ll play a pivotal part in shaping Infisical’s future—making key technical decisions, establishing foundational processes, and tackling complex scalability challenges. As you gain experience and the team expands, you’ll have the opportunity to take full ownership of specific areas of our platform, driving them end-to-end with autonomy and impact.

Overall, you’ll be one of the defining pieces of our team as we scale to thousands of customers over the next 18 months.

Team, Values & Benefits

Our team brings experience from companies like Figma, AWS, and Red Hat. We operate primarily as a remote team but maintain a strong presence in San Francisco, where we have an office. We also get together in person throughout the year for off-sites, conferences, and team gatherings. 

At Infisical, we offer competitive compensation, including both salary and equity options. Additional benefits, such as a lunch stipend and a work setup budget, are available with more details to be found on our careers page.

About Us

Infisical is the open source security infrastructure platform that engineers use for secrets management, internal PKI, key management, and SSH workflow orchestration. We help developers and organizations securely manage over 1.5 billion secrets each month including application configuration, database credentials, certificates, and more.

We’ve raised $19M from Y Combinator, Google, and Elad Gil, and our customers include Hugging Face, Lucid, and LG.

Join us on a mission to make security easier for all developers — starting with secrets management.

Apply now >

This job listing has been manually reviewed by the Jobicy Trust & Safety Team for compliance with our posting guidelines, including verification of the company's legitimacy, accuracy of job details, clarity of remote work policy, and absence of misleading or fraudulent content.

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