Design and build scalable reusable UI components with React and TypeScript, develop backend services with Node.js/Express, contribute to micro-frontend architecture, improve performance, reliability, observability and security, write tests, participate across the SDLC, and collaborate with cross-functional teams on a large-scale SaaS platform.
We are looking for a talented Senior Full-Stack Engineer to join a team building a modern, large-scale platform that powers intelligent agreement management experiences for millions of users worldwide. Our platform is at the heart of a global SaaS product used by more than 1.7 million organizations across 180+ countries. The team develops a unified, widget-based front-end architecture that enables seamless experiences across document creation, sending, signing, and management. By combining scalable engineering practices with AI-powered workflows, we are transforming the way businesses manage their most important agreements. As a Senior Engineer, you will play a key role in designing and developing high-performance, reusable frontend solutions while contributing to backend services and platform capabilities. You will work on complex engineering challenges involving micro-frontends, scalability, reliability, security, and developer productivity.
Responsibilities:
- Design and build scalable, reusable UI components and frontend solutions using React and TypeScript.
- Develop and maintain backend services using Node.js and Express.
- Contribute to a modern micro-frontend architecture and shared platform capabilities.
- Collaborate with cross-functional teams to deliver high-quality features in a fast-paced SaaS environment.
- Write well-tested, maintainable code and contribute to a strong engineering culture.
- Improve performance, reliability, observability, and security across the platform.
- Participate in the entire software development lifecycle, including architecture discussions, implementation, testing, CI/CD, and production releases.
Requirements:
- 8+ years of professional software development experience.
- Strong expertise with TypeScript and React.
- Hands-on experience with Node.js, Express, and modern backend development.
- Experience building reusable frontend components, design systems, or shared libraries.
- Solid understanding of frontend testing practices and tools.
- Experience working on large-scale SaaS products.
- Knowledge of REST APIs and modern web architecture.
- Excellent communication skills and ability to collaborate effectively in distributed teams.
Nice to Have:
- Experience with Next.js.
- Hands-on experience with micro-frontend architecture.
- Experience with gRPC and API integrations.
- Knowledge of JSON Schema or XML Schema.
- Experience with CI/CD pipelines and Azure DevOps.
- Familiarity with Agile and Test-Driven Development practices.
We offer*:
- Flexible working format - remote, office-based or flexible
- A competitive salary and good compensation package
- Personalized career growth
- Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
- Active tech communities with regular knowledge sharing
- Education reimbursement
- Memorable anniversary presents
- Corporate events and team buildings
- Other location-specific benefits
*not applicable for freelancers
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With roots dating back to 1642, Montreal is often recognized for its French-inspired architecture and cobblestone streets lined with traditional shops and cafés. But what truly sets the city apart is how it blends its rich tradition with a modern edge, reflected in its evolving skyline and fast-growing tech industry. According to economic promotion agency Montréal International, the city ranks among the top in North America to invest in artificial intelligence, making it le spot idéal for job seekers who want the best of both worlds.
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