Intermediate Software Engineer

Sage Recruiting Inc.; Canada; On-site; CAD 115,000 - 140,000; Full time

Job summary

Sage Recruiting Inc. is partnering with a technology company to recruit an Intermediate Software Engineer (TypeScript / Node.js) for a fintech platform. This role focuses on building scalable infrastructure and APIs, contributing to core architecture decisions, and helping drive early technical direction.

You will join a founding engineering team shaping the platform’s architecture, with opportunities to influence product direction and support high transaction volumes.

Qualifications

• 2+ years of professional software development experience.
• Proficiency with TypeScript and Node.js for backend development.
• Experience with AWS cloud infrastructure.
• Experience building developer-facing APIs or SDKs.
• Experience in AI-native development for scalable systems.
• Strong problem-solving abilities and attention to detail.
• Excellent communication and collaboration skills.

Responsibilities

• Collaborate with cross-functional teams to design and implement scalable software solutions.
• Lead development of new platform modules while maintaining and improving existing components.
• Architect systems focusing on performance, reliability, and maintainability.
• Build and maintain developer-facing APIs and SDKs for external partners and internal teams.
• Ensure seamless integration with external services and systems.
• Participate in code reviews and provide constructive feedback to maintain high engineering standards.
• Contribute to architectural decisions as the platform evolves.

Skills

TypeScript

Node.js

AWS

APIs

AI-native development

Problem-solving

Communication

Collaboration

Tools

AWS

APIs/SDKs

Job description

Intermediate Software Engineer (TypeScript / Node.js)

$115,000 – $140,000 CAD base

About the Job

Sage Recruiting is partnering with a technology company that is building a new fintech platform designed to support modern financial products and services.

Our client is launching a new initiative focused on developing scalable infrastructure and APIs that power next-generation financial applications. This team will operate like an internal startup, composed of experienced engineers working together to build a new product from the ground up.

They are looking for Intermediate and Senior Software Engineers who are excited about helping shape early architecture decisions, designing robust systems, and contributing to the foundation of a new fintech platform.

This is an opportunity to join a founding engineering team where your work will directly influence the product’s architecture, technical direction, and long-term success.

What You’ll Do

• Collaborate with cross-functional teams to design and implement scalable and reliable software solutions.
• Lead development of new platform modules while maintaining and improving existing components.
• Architect systems with a focus on performance, reliability, and long-term maintainability.
• Build and maintain developer-facing APIs and SDKs used by external partners and internal teams.
• Ensure seamless integration with external services and systems.
• Participate in code reviews and provide constructive feedback to maintain high engineering standards.
• Contribute to architectural discussions and technical decision-making as the platform evolves.

What We’re Looking For

• 2+ years of professional software development experience.
• Strong backend development experience using TypeScript and Node.js.
• Experience working with AWS cloud infrastructure.
• Experience building developer-facing APIs or B2B SDKs.
• Skilled in AI-native development, demonstrating a strong track record of building applications that leverage foundational models and agentic workflows.
• Strong problem-solving abilities and attention to detail.
• Excellent communication and collaboration skills.

Nice to Have

• Experience designing or operating systems that handle highly scalable or bursty traffic (1M+ transactions).
• Full-stack development experience with TypeScript/Node.js and React or React Native.
• Previous experience working in startup environments or fintech companies.

Why This Opportunity Is Interesting

• Join a founding engineering team building a brand-new fintech product.
• Work in a startup-style environment within an established organization.
• Help define the early architecture and long-term technical direction of the platform.
• Opportunity to build scalable systems designed to support high transaction volumes.