Full Stack Software Engineer at Superhuman

About Superhuman

Superhuman is the AI productivity platform on a mission to unlock the superhuman potential in everyone. The Superhuman suite of apps and agents brings AI wherever people work, integrating with over 1 million applications and websites. The company’s products include Grammarly's writing assistance, Superhuman Docs’s collaborative workspaces, Mail’s inbox management, and Go, the proactive AI assistant that understands context and delivers help automatically. Founded in 2009, Superhuman empowers over 40 million people, 50,000 organizations, and 3,000 educational institutions worldwide.

The Opportunity

To achieve our ambitious goals, we’re looking for Full Stack Software Engineers to join our engineering teams.

Superhuman's engineers and researchers have the freedom to innovate and uncover breakthroughs—and, in turn, influence our product roadmap. The complexity of our technical challenges is growing rapidly as we scale our interfaces, algorithms, and infrastructure.

As a Full Stack Engineer at Superhuman, you will play a critical role in building the next generation of AI agents that help people complete high-value workflows across the tools they use every day. You’ll develop end-to-end product experiences and the infrastructure needed to make these agents focused, reliable, and deeply integrated—helping us validate new opportunities and bring the most valuable ones to millions of users.

We invite you to share your knowledge, experience, and goals with us to help us find the best team match for you. Tell us your superpower!

In this role, you will:

• Start building and pushing code in your first week and ship impactful features in your first few months.

• Build full-stack AI agents that complete valuable, role-specific workflows across the tools customers use every day.

• Develop end-to-end experiences for agent workflows, from triggers and context gathering to user interactions and completed actions.

• Build and deepen connector capabilities—including reads, writes, authentication, administration, and observability—to support high-value customer workflows.

• Prototype new agent experiences, test them with users, and use feedback and data to guide product and technical decisions.

• Collaborate closely with Product, Design, and customer-facing teams to translate real customer needs into scalable solutions.

• Help establish reusable technical foundations and engineering practices that accelerate the development of future agents.

• Embrace a data-driven and experimentation-first culture.

Qualifications

• Is ready to tackle challenges across product, infrastructure, and integrations.

• Knows modern web development, API design, and testing tools.

• Has experience building, deploying, and debugging production systems at scale.

• Understands authentication, data flows, and integrations with third-party services.

• Is comfortable working with data and experimentation to inform decisions.

• Cares deeply about reliability, quality, and the end-user experience.

• Works independently, navigates ambiguity, and collaborates effectively across teams.

• Has a demonstrated ability to work independently with minimal guidance, proactively manages tasks and priorities across multiple projects, analyzes and executes work efficiently, collaborates effectively with cross-functional teams, and thrives in fast-paced, results-driven environments.