Staff Software Engineer - Full Stack

Anon is building the identity layer for the automated internet.

Our developer toolkit enables AI agents to securely integrate with any service or application on behalf of users, powering the next generation of AI applications. Since launching in 2023, we've scaled to thousands of active developers and 50+ customers, including many leading AI agent companies, reaching tens of thousands of end-users.

We've raised over $13M from top investors including Union Square Ventures and Abstract Ventures to pursue our vision of a world where billions of AI agents are authenticated and managed via Anon. To learn more about our mission, culture, and the type of candidates we hire, visit careers.anon.com.

As a Staff Full Stack Engineer at Anon, you'll be a technical leader driving the evolution of our Enterprise Data Migration platform. You'll architect systems that help companies automate customer onboarding through secure data extraction at scale. Beyond individual contributions, you'll mentor engineers, shape technical strategy, and establish engineering best practices across the organization. This role requires deep technical expertise across the stack combined with the ability to influence and guide technical decisions that impact our entire platform.

Technical Leadership & Architecture

• Define and drive the technical roadmap for core platform capabilities

• Lead architectural design reviews and make critical technical decisions

• Establish engineering standards, patterns, and best practices across teams

• Identify and address technical debt while balancing feature velocity

• Champion reliability, security, and performance across all systems

Platform Development & Innovation

• Architect and implement complex, distributed systems handling millions of authentications

• Design scalable solutions for browser automation and data extraction challenges

• Build frameworks and tools that multiply the effectiveness of the engineering team

• Lead initiatives to improve platform extensibility and developer experience

• Drive adoption of new technologies and architectural patterns

Mentorship & Team Building

• Mentor junior and mid-level engineers through code reviews and pair programming

• Lead technical interviews and help shape hiring decisions

• Foster a culture of technical excellence and continuous learning

• Guide engineers in career development and technical growth

• Build consensus around technical decisions across stakeholder groups

Cross-Functional Impact

• Partner with product and design to shape the platform roadmap

• Collaborate with customer success to architect enterprise solutions

• Work with security team to ensure platform compliance and safety

• Interface with external partners on integration architecture

• Represent engineering in executive planning and strategy sessions

Technical Requirements

• 5-8 years of software engineering experience with increasing scope and impact

• Expert-level proficiency in TypeScript/JavaScript and modern frameworks

• Deep experience with distributed systems and cloud architecture (AWS/GCP)

• Proven track record of architecting and scaling production systems

• Strong background in authentication, security, and API design

• Experience with browser automation and web scraping technologies preferred

• History of making sound technical decisions with long-term impact

Leadership Experience

• Demonstrated ability to lead complex technical projects end-to-end

• Experience mentoring engineers and driving technical culture

• Track record of influencing technical direction without formal authority

• Success working with cross-functional teams and external stakeholders

• Examples of building consensus around controversial technical decisions

Platform & Scale Mindset

• Experience building developer platforms or infrastructure products

• Understanding of multi-tenant architectures and enterprise requirements

• Ability to balance technical perfection with business needs

• Track record of improving engineering velocity through tooling and process

• Experience with high-scale systems (millions of requests/day)

Culture and Mindset

• Strong written and verbal communication skills for technical and non-technical audiences

• Pragmatic approach to problem-solving with focus on business impact

• Comfortable with ambiguity and rapidly changing requirements

• Passion for developer experience and platform thinking

• Startup experience and comfort with wearing multiple hats

• Highly competitive salary with substantial equity in a well-funded startup

• Comprehensive health, dental, and vision insurance

• Company-provided workstation setup of your choice

• Free gym membership at your preferred location

• In-person work environment and team events in San Francisco (SoMa)

We're looking for technical leaders who want to shape the future of AI authentication while building systems that scale to billions of agents. Our team includes former founders and early startup employees who have built and scaled multiple successful products. If you're excited about solving complex technical challenges, mentoring talented engineers, and working with an exceptional team at the forefront of AI infrastructure, we want to talk to you.

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