Jobs in Canada

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Added 1 month ago
University Co-Op Student - Telecom Operations Support - 8-12 Months - Winter 2027 - Toronto
Hydro One Networks Inc
ON · Rexdale, ON
Discipline: Telecom or power system engineering, Telecommunication Engineer, Electrical Engineer or Computer Science
Added 1 month ago
A
Full-Stack, Backend Leaning, SWE
Affiniti
Canada
- $150,000 to $240,000 USD / year
- Full-time
…businesses that hold American communities together, and the software serving them has never reflected how much they…
Added 1 month ago
A
Full-Stack, Frontend Leaning, SWE
Affiniti
Canada
- $150,000 to $240,000 USD / year
- Full-time
…businesses that hold American communities together, and the software serving them has never reflected how much they…
Added 1 month ago
LL
Systems Engineer
LayerZero Labs
Vancouver, BC
- Full-time
We’re seeking a Systems Engineer to join LayerZero. In this role, you’ll build the foundational systems that power our execution and infrastructure layers, including Zero.
Added 1 month ago
SI
Principal Firmware Engineer
Synopsys Inc
Ottawa, ON · Nepean, ON
- Full-time
Firmware at the boundary between hardware and software is where you have built your career. A single miscalculation can mean the difference between a memory interface that trains cleanly…
Added 1 month ago
SI
Principal Digital Verification Engineer
Synopsys Inc
Ottawa, ON · Nepean, ON
- Full-time
Solid understanding of C and experience with software/hardware co-simulation
Added 1 month ago
H
Site Civil Section Manager
HDR
Toronto, ON · Richmond Hill, ON
- Full-time
…environment. This isn’t just a job, it’s a chance to lead innovation, engineer impact, and build a legacy of…
Added 1 month ago
A
Landscape Architect
AtkinsRéalis
Toronto, ON
- Full-time
Proficiency with design software such as AutoCAD, SketchUp, Enscape, Illustrator, and Revit, as well as the Microsoft Office Suite.
Added 1 month ago
Senior Software Engineer, Backend
Brex
Vancouver, BC
As an engineer at Brex, you will help develop new products from concept to launch, whether for a 5-person startup or a 5,000-person-strong enterprise. We’re looking for folks with an…
Added 1 month ago
Lead Data/Analytics Engineer
Dutch
Vancouver, BC
We’re looking for a Lead Data/Analytics Engineer to own how Dutch measures its product and business. You’ll run the event instrumentation pipeline, build the models and metrics layers that…
Added 1 month ago
Q
Cross-Functional Engineer, Staff
Qualcomm
Ottawa, ON · Toronto, ON
- Full-time
We are seeking a highly skilled Cross-Functional Engineer to join our team, focusing on high-speed electrical wireline systems (e.g. SerDes). The successful candidate will play a critical…
Added 2 months ago
SC
Mining Engineer
SLR Consulting
Vancouver, BC
- Full-time
Ready to influence how underground mines are designed, optimized, and evaluated around the world? As our new Mining Engineer, you will play an important role on a team whose work is…
Added 2 months ago
P
DevOps Engineer
Paymentus
Richmond Hill, ON
- $100,000 to $130,000 CAD / year
- Full-time
The DevOps Engineer is responsible for supporting, monitoring and tooling of cloud deployments. This engineer works closely with the Development and QA teams to produce reliable and secure…
Added 1 month ago
CA
Marine Technical Superintendent
Canadian Adventure Charters
Marystown, NL
- Full-time
∙Hold a Chief Engineer’s Certificate of Competency (Unlimited) or equivalent seagoing experience in a senior technical role.
Added 1 month ago
J
Electronics research engineer
JobsMedia.io
Sherbrooke, QC
- Full-time
Added 1 month ago
TC
Senior L3 AI Engineer
Tata Consultancy Services
Montreal, QC
- Full-time
We are seeking a Senior Level 3 AI Engineer to act as the first point of call for engineering issues across the firm’s end user AI products - Microsoft Copilot, OpenAI ChatGPT, Anthropic…
Added 1 month ago
C
Senior Security Operations Specialist
CDW
Mississauga, ON
- Full-time
The position is part of a 7-day per week, 24-hour per day managed services operations
Added 1 month ago
TC
Security Researcher Engineer
Tata Consultancy Services
Toronto, ON
- $100,000 to $120,000 CAD / year
- Full-time
Must Have Technical/Functional Skills
Added 1 month ago
CA
Marine Project Manager
Canadian Adventure Charters
Marystown, NL
- Full-time
∙Chief Engineer (Unlimited) Certificate of Competency or equivalent Canadian/International license.
Added 1 month ago
TT
Solution Architect, Google Workspace & Gemini AI
Tundra Technical Solutions
Toronto, ON
- $130,000 to $145,000 CAD / year
- Full-time
Job Location: Hybrid (2–3 days in office) – based in Toronto, ON · Must Have(s)
Added 4 months ago
DG
Site Technical Manager (Fourth Class Power Engineer Certification or BES 1 or 2 - NS)
Dexterra Group
Halifax, NS
- Full-time
Minimum 3 years of experience required
Added 1 month ago
I
Software Developer 1, Canada Tax Content
Intuit
Toronto, ON
- Full-time
The Canada Tax Content team is looking for a motivated Software Developer 1 to help build and maintain Canada's leading tax products. This is an entry-level, growth-oriented role for an…
Added 2 months ago
EM
Production Engineer
Evertz Microsystems Limited
Burlington, ON
- Full-time
Validate hardware, firmware and software releases from the development teams
Added 1 month ago
C
Senior Data Quality Engineer - Zonda - Toronto, ON
CoStar
Toronto, ON
- $120,000 to $150,000 CAD / year
- Full-time
Senior Data Quality Engineer: Senior Data Quality Engineer – Zonda – Toronto, ON
Added 1 month ago
C
Senior Data Platform Engineer - Zonda - Toronto, ON
CoStar
Toronto, ON
- $140,000 to $170,000 CAD / year
- Full-time
Senior Data Platform Engineer: Senior Data Platform Engineer – Zonda – Toronto, ON

Affiniti

Full-Stack, Backend Leaning, SWE

Canada

$150,000 to $240,000 USD / year · Full-time

Apply on jobs.ashbyhq.com About employer

Applications open in a new tab.

Job details

Pay: $150,000 to $240,000 USD / year
Job type: Full-time
Experience: 2+ years of production engineering experience.
Posting language: English
Posted: Sep 20, 2026

Original job description

About This Role

There is an enormous gap between the technology built in Silicon Valley and what the average small business owner in America can actually get their hands on. The pharmacist in rural Louisiana. The auto dealer in the Midwest. The vet clinic owner who has done their books the same way for twenty years. They run the businesses that hold American communities together, and the software serving them has never reflected how much they matter.

Affiniti is closing that gap. We're building the financial operating system for small businesses across America, and the frontend is the bridge. Every dashboard you ship, every interaction you refine, every millisecond you shave off a load time is technology finally reaching the people who needed it most and never got it.

If you want to write code that matters beyond the product itself, this is that opportunity.

Location

NYC (in office), Canada (remote)

Tech Stack

TypeScript, Node.js, and React

Key Responsibilities

Own the backend architecture behind our product. APIs, data models, business logic, and the foundational decisions that determine how the product scales, performs, and stays reliable.
Drop into the full stack when it counts. Build frontend flows, wire up React components, and trace a bug from the browser to the database without waiting on anyone.
Build the systems that power complex financial products. The kind of backend where messy financial data, integrations, and business logic become simple, reliable experiences for customers.
Obsess over the details that separate software that works from software customers can trust: data integrity, API latency, failure modes, query performance, and the edge cases most engineers skip.
Partner closely with product and design to push past the requirements. Challenge assumptions, propose better solutions, and make sure what we build solves the actual customer problem - not just the technical specification.
Turn ambiguous user needs into clean, maintainable implementations. And advocate for the user in every technical decision.

What You’ll Bring

2+ years of production engineering experience. Early-stage startup experience strongly preferred.
Deep fluency in TypeScript and Node.js, with real opinions about API design, data modeling, backend architecture, and system reliability.
End-to-end ownership and strong product instincts. You can take a feature from idea to shipped without a frontend engineer holding your hand, and you care as much about the customer experience as the systems underneath it.
You know how to build with AI, not just use it. Tools like Claude Code, Codex, and other coding agents are a core part of your engineering workflow, and you know how to use them to dramatically increase your speed and output without outsourcing technical judgment.
A track record building complex, data-rich products backed by systems operating under real reliability and performance constraints.
Speed without the debt. You move fast without leaving behind the kind of backend mess that makes a codebase painful six months later.
High ownership. You take problems as your own and see them through - the mark of the people who thrive here.

Work Authorization

Candidates must be currently authorized to work in their respective country. For this role, we are considering U.S. candidates who are U.S. citizens, U.S. lawful permanent residents (Green Card holders), or individuals who otherwise currently hold valid authorization to work in the United States.

For Canadian candidates, we are considering Canadian citizens, Canadian permanent residents, or individuals who otherwise currently hold valid authorization to work in Canada.

Equal Opportunity Employment

Affiniti is an equal opportunity employer. We are committed to building a diverse and inclusive workplace and consider all qualified applicants for employment without regard to race, color, religion, sex, pregnancy, national origin, age, disability, genetic information, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable federal, state, or local law.

Affiniti provides reasonable accommodations to qualified individuals with disabilities and applicants with disabilities throughout the recruiting process, consistent with applicable law.

Apply on jobs.ashbyhq.com About employer

More about this job

Responsibilities

Own the backend architecture, including APIs, data models, and business logic to ensure product scalability and reliability. Collaborate with product and design teams to build full-stack features and translate ambiguous user needs into maintainable implementations.

Requirements

Requires at least 2 years of production engineering experience with deep fluency in TypeScript and Node.js. Candidates must possess strong product instincts and the ability to manage end-to-end feature development independently.

Skills

Typescript
Node.js
React
Backend architecture
API design
Data modeling
System reliability
Full-stack development
Data integrity
Query performance
API latency
Software engineering
Product development
AI tools

Benefits

Equity
Reimbursed relocation
Free lunch
Free dinner
Health insurance
Dental insurance
Vision insurance

Visa sponsorship

Not detected in the job text

Keywords

Typescript
Node.js
React
Backend
Frontend
Full-stack
API
Data modeling
System reliability
Software engineering
Startup
Financial products
Data integrity
Latency
Query performance
Claude Code
Codex
AI
Product design
Scalability

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Work requirements

Jobs in Canada