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Senior Software Engineer, Multiple Teams

Join Relay as a Senior Software Engineer to build innovative fintech products for small businesses in a collaborative environment.

Location
Toronto, ON, Canada
Compensation
CA$144k–CA$176k/yr
Level
senior
Type
full time

Posted by employer 4 days ago

First seen on Joblaze 2 hours ago

Last verified on the company career page 2 hours ago

Apply at NorthOne → Save job Scanned from northone.com

What you'll build

  • Own features across the full development lifecycle
  • Manage production systems
  • Partner with Product and Design teams
  • Identify areas for technical improvement
  • Mentor junior engineers

Must have

  • 3+ years of full-stack software engineering experience
  • Led the development of significant components or features
  • Mentor junior engineers

Nice to have

  • Experience with JavaScript
  • Worked in startups or high-growth tech companies
  • Working knowledge of AWS services

Requirements

Experience
3+ years

Not disclosed in this posting: work arrangement, visa sponsorship.

Joblaze summary

In this role, the Senior Software Engineer will engage in end-to-end development, tackling complex challenges and delivering robust code that enhances the digital banking experience for small businesses. Proficiency in full-stack development, particularly with TypeScript, React, and Node.js, is essential, along with experience in managing production systems and optimizing infrastructure. This position is ideal for someone with over three years of experience who thrives in fast-paced environments and enjoys mentoring junior engineers. The team at NorthOne is focused on innovation and continuous improvement, making it a fitting environment for those eager to make a significant impact.

Joblaze insights

  • Listed today — first seen on Joblaze October 5, 2026. Last confirmed on NorthOne's careers page October 5, 2026.
  • This exact title is also open at 1 other location at NorthOne: Kitchener-Waterloo, ON, Canada.
  • Starts above 7% of 14 comparable senior fullstack roles in Canada that list React we track (median $114,790 across 8 companies). See React salary trends

Quick facts

What's the salary range?
NorthOne lists CAD 144,000–CAD 176,000 for this role.
How much experience is required?
At least 3 years of relevant experience for this Senior Software Engineer, Multiple Teams role.
What's the tech stack?
Joblaze extracted these technologies from the posting: AWS, DynamoDB, ECS, Elasticsearch, Lambda, Node.js.
What seniority level is this role?
NorthOne targets senior candidates for this position.
Is this full-time or contract?
Full-time for this Senior Software Engineer, Multiple Teams role at NorthOne.

From the original posting

Our Engineering team is at the heart of building banking products that help millions of small businesses succeed. We’re on a journey to reinvent banking, and we’re looking for a curious, impact-driven Senior Software Engineer to join our growing team – someone who thrives on taking smart risks, experimenting boldly, and learning from every challenge.

You’ll tackle complex problems head-on, ship high-quality, robust code, and shape systems that power our products. This is a unique opportunity to work across our full product suite, influence technical decisions, and deliver end-to-end features that customers love. If you’re excited about building best-in-class fintech products in a fast-growing, collaborative environment, this is the role for you.

What You’ll Be Doing

  • End-to-End Development: Own features across the full development lifecycle – from design and development to testing, deployment, and monitoring – ensuring reliability and performance at scale

  • System & Infrastructure Ownership: Manage production systems, optimize infrastructure, and contribute to the availability, scalability, and resilience of our platform

  • Cross-Functional Collaboration: Partner with Product, Design, and cross-functional teams to build solutions that meet customer and business needs

  • Innovation and Continuous Improvement: Proactively identify areas for technical, process, and product improvement, helping the team raise the bar and influencing technical direction and long-term strategy

Who You Are

  • You have 3+ years of full-stack software engineering experience

  • You have led the development of significant components or features, delivering them successfully with minimal oversight

  • You mentor junior engineers, sharing expertise and fostering the growth and skill development of the entire team

  • You proactively drive enhancements and lead initiatives to enhance code quality, optimize performance, and streamline development processes

  • You’re a lifelong learner, curious about new frameworks, best practices, and emerging technologies

  • You thrive in fast-paced, dynamic environments and are comfortable navigating ambiguity and change

  • You’re a collaborative team player, eager to pitch in, ask questions, and provide and receive feedback

  • You take ownership end-to-end, solving problems creatively and proactively, while keeping the customer and business impact front-of-mind

It’s a bonus (but not required) if you

  • Have worked in startups or high-growth tech companies

  • Have experience with JavaScript - we primarily use TypeScript, React, and Node.js

  • Have working knowledge of AWS services (ECS, S3, RDS, Dynamo, Lambda) and continuous deployment pipelines

Our Tech Stack

  • Front-end: React, Typescript, React Native

  • Back-end: Node.js, Typescript, Terraform, AWS (DynamoDB, RDS Postgres, Lambda, S3, SQS, SNS, SES, ElasticSearch, ECS)

  • Tools: Cursor, Claude, GitHub, GitHub Actions, Datadog, Jira, Metabase

The Interview Process

  • Stage 1: A 45-minute Google Meet video call with a member of the Talent team

  • Stage 2: A 60-minute live coding exercise with two members of the Engineering team

  • Stage 3: A 60-minute Google Meet video call with two Engineering Managers

  • Stage 4: A take-home system design challenge, followed by a 60-minute Google Meet video call review with two members of the Engineering team

  • Stage 5: A 45-minute in-person interview with a member of the Leadership team

The annual salary range for this role is $144,000 CAD to $176,000 CAD.

For candidates who demonstrate full readiness for the defined scope of the role, the typical starting salary is $160,000 CAD. Offers below this point reflect candidates we believe can grow into the full scope of the role with support and development. Offers above this point reflect impact that meaningfully exceeds the role’s defined expectations or an expanded scope from day one.

  • You push relentlessly for reinvention: You're always asking "how can this be better?" -- in your work, in your craft, in yourself. Comfort is a signal to push harder, not coast. You'd rather build something better than defend something familiar.

Standard company text repeated across NorthOne's postings is omitted here.

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