Software Engineer, Full-Stack - GPTZero, Early Career

Engg; Toronto; Hybrid; CAD 90,000 - 120,000; Full time

Benefits offered by this job

Excellent health care

Disability and life insurance

401(k) and RRSP matching

Parental leave

Paid time off

Floating holidays

Home office stipend

Professional development budget

Job summary

Superhuman is hiring early-career Software Engineers to learn fast and ship real AI-native software used by millions. From day one you’ll work on production systems with experienced engineers, contributing across our core products and learning how large-scale systems are designed and deployed.

You’ll join a modern AI-first environment that values craft, judgment, and impact. You’ll collaborate with product, design, and engineering teams to deliver delightful user experiences, and you’ll develop

Qualifications

• Degree in CS/Engineering or equivalent, 2026/2027 graduation.
• Strong CS fundamentals: data structures, algorithms, design.
• Proficiency in Python, JavaScript/TypeScript, Java, Go, or C++.
• Experience with web tech: React, Node.js, TypeScript.
• Internships or open source projects demonstrating coding ability.
• AI-native experience with AI coding agents (Claude Code, Cursor, Codex).
• Understanding of system design, databases, and backend architecture.
• Excellent communication and cross-functional collaboration.

Responsibilities

• Ship production-grade code affecting millions of users.
• Develop features for Grammarly, Coda, Superhuman Mail, and Go.
• Work with AI technologies and modern web frameworks.
• Collaborate with product, design, and engineering teams.
• Learn to build large-scale distributed systems with reliability.
• Participate in design, testing, deployment, and scalability discussions.
• Grow through mentorship and hands-on ownership of projects.
• Make meaningful impact across product experiences.

Skills

CS fundamentals

Programming languages

Web tech

Internships/Projects/Open source

AI-native experience

System design

Communication & collaboration

Independent work

Education

CS/Engineering degree or equivalent

Tools

React

Node.js

TypeScript

Claude Code

Cursor

Codex

Git

CI/CD

Job description

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 alongside in-person collaboration that fosters trust, innovation, and a strong team culture. This role requires at least 2 days per week in our Toronto hub.

ABOUT SUPERHUMAN

Grammarly is now part of Superhuman, 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, Coda’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 at superhuman.com http://superhuman.com.

THE OPPORTUNITY

We’re hiring early-career Software Engineers who want to learn fast, ship real product, and build AI-native software used by millions. From day one, you’ll work on production systems — not toy problems — alongside experienced engineers who care deeply about craft, judgment, and impact. You’ll contribute to features across our core products, learn how large-scale systems are designed and shipped, and develop a strong engineering foundation in a modern, AI-first environment. This role is for engineers who are curious, thoughtful, and excited to turn ideas into real outcomes.

WHAT YOU’LL DO

As a Software Engineer at Superhuman, you will:

• - Ship production-grade code that impacts over 40 million daily active users across our suite of AI-powered productivity tools
• - Build and iterate on features for Grammarly, Coda, Superhuman Mail, and Go
• - Work with cutting-edge AI technologies and modern web frameworks
• - Collaborate closely with product, design, and engineering teams to deliver delightful user experiences
• - Develop AI-native features that leverage large language models, natural language processing, and intelligent automation
• - Learn how to build large-scale distributed systems that are highly available and reliable
• - Learn best practices around system design, testing, deployment, and scalability
• - Contribute to technical discussions and help shape the direction of your team’s projects
• - Grow rapidly through mentorship, feedback, and hands-on ownership of real projects
• - Make a meaningful impact on the lives of millions of people who rely on our products every day

WHAT WE’RE LOOKING FOR

Must-haves:

• - Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field (or equivalent practical experience), graduating in 2026 or 2027
• - Strong foundation in computer science fundamentals, including data structures, algorithms, and software design
• - Proficiency in at least one programming language (e.g., Python, JavaScript/TypeScript, Java, Go, C++)
• - Experience with web tech (React, Node.js, TypeScript)
• - Experience building software through internships, personal projects, open source contributions, hackathons, or coursework
• - AI native and experienced in using AI coding agents like Claude Code, Cursor, and Codex for productivity gains
• - Solid understanding of system design, databases, and back-end architecture
• - Excellent communication skills and ability to collaborate effectively with cross-functional teams
• - A demonstrated ability to work independently with minimal guidance, proactively manage tasks and priorities, analyze and execute work efficiently, and thrive in a fast-paced, results-driven environment

Nice-to-haves:

• - Previous internship experience at a technology company
• - Experience with web tech (React, Node.js, TypeScript)
• - Exposure to AI/ML tools, APIs, or frameworks (e.g., OpenAI, LangChain, TensorFlow, PyTorch)
• - Familiarity with modern engineering workflows (Git, CI/CD, testing frameworks)
• - Track record of shipping projects end-to-end
• - Comfort navigating ambiguity and learning new technologies quickly

COMPENSATION AND BENEFITS

Superhuman offers all team members competitive pay along with a benefits package encompassing the following and more:

• - Excellent health care (including a wide range of medical, dental, vision, mental health, and fertility benefits)
• - Disability and life insurance options
• - 401(k) and RRSP matching
• - Paid parental leave
• - 20 days of paid time off per year, 12 days of paid holidays per year, two floating holidays per year, and flexible sick time
• - Generous stipends (including those for caregiving, pet care, wellness, your home office, and more)
• - Annual professional development budget and opportunities

Superhuman takes a market-based approach to compensation, so base pay may vary by location. Our US locations are categorized into two compensation zones based on proximity to our hub locations. Base pay may vary considerably depending on job-related knowledge, skills, and experience. The expected salary ranges for this position are outlined by compensation zone and may be modified in the future.

WHY YOU’LL LOVE IT HERE

Learn by doing: You’ll work on meaningful problems with real users, not shadow projects Strong mentorship: Learn from engineers who’ve built and scaled products at companies like Google, Facebook, and Dropbox Real ownership: We trust early-career engineers with responsibility and support them as they grow Connected culture: Highly collaborative teams, in-person connection, and shared wins

At Superhuman, we value our differences, and we encourage all to apply—especially those whose identities are traditionally underrepresented in tech organizations. We do not discriminate on the basis of race, religion, color, gender expression or identity, sexual orientation, ancestry, national origin, citizenship, age, marital status, veteran status, disability status, political belief, or any o