Senior Full Stack Developer

hybrid
Toronto, Ontario, Canada .
full-time . May 14, 2026

Description

Who We Are

Tetra Unity is transforming how financial institutions deploy and manage digital asset operations at scale. Backed by leading investors including Wealthsimple, Shopify, National Bank, and ATB Financial, we empower institutions to build the digital asset infrastructure that fits their business.

Our composable architecture brings together speed, flexibility, and enterprise-grade security, while maintaining full regulatory compliance and the adaptability to evolve alongside the technology landscape. With the majority of financial institutions and service providers now reporting active or planned digital asset initiatives, Tetra Unity sits at the epicentre of a generational shift reshaping global finance.

The Opportunity

We're looking for a seasoned Senior Full Stack Developer who is ready to roll up their sleeves, lead by example, and grow into a pivotal leadership role on our technology team.

This role begins as a hands-on development and technical lead position. For the right person, it will evolve into a close partnership with the CTO, shaping our technical direction, architecture, and team growth as the company scales.

You will lead our existing development team, providing mentorship, guidance, and clear direction while continuing to contribute as a builder. If you love shipping great products, developing the engineers around you, and want a leadership path that doesn't require stepping away from code, this is your opportunity.

Location & Work Model

This role is based in Toronto, with a structured hybrid model of a minimum of three days per week in the office. During the first three months of onboarding, the role requires full-time in-office presence to support immersion, relationship-building, and team integration.

What You’ll Be Doing

Take ownership of critical features and systems across the stack (frontend, backend, infrastructure)
Lead our existing team of developers and provide day-to-day technical oversight
Collaborate directly with the CTO to design and deliver scalable, performant solutions
Mentor other developers and promote engineering excellence and knowledge sharing
Contribute to architectural decisions and long-term technical strategy
Establish and maintain coding best practices, development standards, and technical documentation
Help drive hiring, onboarding, and the evolution of our engineering team
Leverage AI tools and techniques to automate tasks, enhance efficiency, and optimize development processes
Gradually step into a broader leadership role as trust, experience, and team size grow

Our Current Tech Stack

(This stack will continue to evolve — your input will help shape it)

Frameworks & Languages: React 18, TypeScript, Go (Golang)
Bundler & Dev Tools: Vite, SWC, Jest, ESLint, Prettier
Routing & State: React Router, React Hooks
Styling: Sass, CSS Modules, Vite SVGR for SVG components
Database: PostgreSQL using Kysely (type-safe SQL query builder)
Infrastructure: AWS

What We’re Looking For

5+ years of full stack development experience with strong proficiency in modern JavaScript/TypeScript and backend development
Hands-on experience with blockchain technologies and decentralized systems
Experience leading small teams or acting as a tech lead on complex projects
Strong understanding of scalable architecture, clean code practices, and CI/CD workflows
Confident in making architectural and technical decisions and explaining trade-offs
Clear communicator who thrives in collaborative environments
Self-driven and eager to take ownership, but comfortable asking for help when needed
Excited about growing into a technical leadership role
Comfortable exploring and working with new languages and paradigms like Go (Golang)

Nice to have

Experience working in fintech, Web3, or regulated environments
Exposure to secure application design and infrastructure practices
Prior startup or fast-growth company experience
Familiarity with design systems or building reusable component libraries

Why Choose Tetra

Industry at an inflection point: Join a rapidly scaling company at the forefront of financial innovation, helping to shape the future of digital assets in Canada.
Accelerated career trajectory: Step into a foundational seat on a growing team, with clear runway to expand your scope, responsibilities, and leadership as the company scales.
Competitive compensation: Commensurate with experience, plus performance-based incentives.
Comprehensive benefits: Full health, dental, and wellness coverage designed to support you and your family.
A front-row seat to Canada's digital asset transformation: A rare opportunity to help build something that doesn't yet exist, and to define the category as it emerges.
A small, high-calibre team: Your work is visible, your contributions are felt, and your growth is real. No bureaucracy, no passengers, just talented people doing meaningful work together.

Before You Apply

Tetra isn’t for everyone. If you’re looking for routine tasks or a predictable 9-to-5, this isn’t the place. But if you’re a high-output, high-trust engineer with a fire for innovation and the grit to tackle complex challenges, we want to hear from you. This role is based in Toronto with a hybrid work model (minimum 3 days in-office per week) upon successful completion of the probationary period. Full-time in-office work is required during the first three months for onboarding and training.

Apply Now

If you’re passionate about fintech disruption and ready to code your way into Canada’s financial future, this is your moment. Join Tetra and help us redefine an industry. Apply now and seize this career-defining opportunity! Submit your resume along with thoughtful answers to the application questions. We’re not looking for perfection, we want insight into who you are, what drives you, and why this challenge excites you. Serious consideration starts with a serious application.

Diversity

We know diverse teams make strong teams. We highly encourage people from traditionally underrepresented groups to apply for our open positions. If you require accommodation during the application process, simply let us know and we’ll ensure it’s a positive experience for you.

Know someone who would be a perfect fit? Let them know!