Software Engineer, Full-Stack

Superhuman offers a dynamic hybrid working model for this role. This flexible approach gives team members the best of both worlds: plenty of focus time along with in-person collaboration that helps foster trust, innovation, and a strong team culture.

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 to eliminate busywork and focus on what matters. Learn more atsuperhuman.com and about our values here.

The Opportunity

We're looking for a Software Engineer to join our team in Porto and help build the next generation of AI-native productivity inside Superhuman, specifically the agent platform where multiple AI agents collaborate to solve complex user problems. The ideal candidate is deeply excited about what's possible with LLMs today, has experience building with agents and AI workflows, and brings strong product sense alongside their engineering skills. This is a high-autonomy, high-impact role on a foundational team that moves fast from idea to production.

We are evolving Superhuman Docs's collaborative workspaces so that users can solve arbitrarily complex tasks with agents, leveraging Superhuman’s ubiquitous UI.

As a Software Engineer on this team, you will be at the heart of our company's transformation.

• Shape the Future of Productivity: Play a pivotal role in evolving Superhuman into an indispensable, AI-native productivity suite for Enterprises.

• Build a Groundbreaking AI Agent Platform: Spearhead the development of a new AI platform inside the Superhuman Docs product of the Superhuman suite where multiple AI agents collaborate to solve complex user problems. You will be responsible for the core orchestration, routing, and planning systems.

• Integrate Cutting-Edge AI: Work at the forefront of the AI landscape, building AI/ ML components that integrate with the latest and most powerful models to create magical user experiences.

• Thrive in a High-Impact Environment: Join a foundational team where you will operate with a high degree of autonomy and product sense in a fast-paced, ambiguous environment.

• Ship Your Work Fast: Move quickly from idea to impact. We have no red tape or endless approvals-just a focus on making meaningful contributions to a platform used by millions.

Qualifications

• Bachelor’s or Master’s Degree in Computer Science.

• Significant experience with Productivity apps and platforms, and how AI interacts with those.

• Experience exploring or building with agents, skills, and AI workflows.

• Genuinely excited about what is possible with LLMs today, using them not just as APIs, but as building blocks for intelligent tools and products.

• Experience with machine learning with a solid understanding of how LLMs work and how they have evolved.

• Demonstrated interest in the fast-moving AI landscape and follows new models, techniques, and frameworks as they emerge.

• Deep care about the end-user experience and strives to ensure high quality.

• Demonstrated ability to work independently with minimal guidance, proactively manage tasks and priorities across multiple projects, analyze and execute work efficiently, collaborate effectively with cross-functional teams, and thrive in fast-paced, results-driven environments.

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!

Support for you, professionally and personally

• Professional growth: We believe that autonomy and trust are key to empowering our team members to do their best, most innovative work in a way that aligns with their interests, talents, and well-being. We also support professional development and advancement with training, coaching, and regular feedback.

• A connected team: Superhuman builds a product that helps people connect, and we apply this mindset to our own team. Our remote-first hybrid model enables a highly collaborative culture supported by our values. We work to foster belonging among team members in a variety of ways. This includes our employee resource groups, Superhuman Circles, which promote connection among those with shared identities including BIPOC and LGBTQIA+ team members, women, and parents. We also celebrate our colleagues and accomplishments with global, local, and team-specific programs.

• Comprehensive benefits for candidates based in Portugal: Superhuman offers all team members competitive pay along with a benefits package encompassing life care (including mental health care and risk benefits) and ample and defined time off. We also offer support to set up a home office, wellness and pet care stipends, learning and development opportunities, and more.

• Relocation Support: Superhuman provides comprehensive relocation support to make your move to Porto seamless. Our package includes visa assistance, destination services to help you and your family settle in comfortably, and a relocation bonus to cover additional expenses, such as housing.

We encourage you to apply

At Superhuman, we value our differences, and we encourage all to apply. Superhuman is an equal-opportunity company. We do not discriminate on the basis of race or ethnic origin, religion or belief, gender, disability, sexual identity, or age.

For more details about the personal data Superhuman collects during the recruitment process, for what purposes, and how you can address your rights, please see the Superhuman Data Privacy Notice for Candidates here.