Lead, Senior and Intermediate - Backend Engineer About the Role We're looking for a
Lead Backend Engineer
with deep fintech experience to join our core engineering team. You'll be responsible for building and scaling the critical payment infrastructure, ledger systems, and financial APIs that power our platform. This is a backend-focused role where you'll work on high-stakes financial systems processing millions of dollars in transactions daily. You'll work closely with our CTO and engineering team to architect reliable, compliant, and scalable financial systems that our users depend on for their most important payments.
In this role, you’ll:
Build and scale backend services using
NestJS
and
TypeScript
on
Google Cloud Platform
Design and maintain robust
ledger systems
and financial data models using
Google Cloud SQL
and
PostgreSQL
Architect and optimize
payment processing pipelines
handling large transaction volumes
Integrate with
financial APIs , payment processors, and banking systems while ensuring
PCI compliance
Build resilient
microservices
with
PubSub
for event-driven architecture
Manage infrastructure as code using
Terraform
and GCP services
Own critical financial systems end-to-end, from design to production monitoring
Collaborate with product and compliance teams to ship secure, compliant financial features
You’re someone who:
Has
7+ years of backend engineering experience ,
with
2+ years in fintech
or payments
Is expert-level with
NestJS/Node.js
and
TypeScript
for building production APIs
Has hands-on experience with
ledger systems , double-entry bookkeeping, or financial data modeling
Has scaled backend systems handling
high transaction volumes
(millions of transactions/month)
Is proficient with
PostgreSQL , database optimization, and
Google Cloud Platform
Has experience with
payment processing , financial APIs, and regulatory compliance (PCI, SOC 2, etc.)
Brings strong ownership to critical systems and thrives in a high-stakes fintech workplace
Communicates clearly about complex technical and financial concepts
Required experience:
Fintech/payments industry
experience with large-scale transaction processing
Ledger systems
or accounting system development
Financial API integrations
(payment processors, banks, card networks)
Database design
for financial systems and audit trails
GCP services
(Cloud SQL, PubSub, Cloud Run, etc.)
Nice-to-haves:
Experience with
Terraform
for infrastructure management
PCI DSS
compliance and security framework experience Real-time payment systems
or instant settlement experience
Previous experience at
high-growth fintech
companies
Open banking
or
financial data aggregation
experience
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📌 Lead, Senior and Intermediate - Backend Engineer (Toronto)
🏢 HRB
📍 Toronto