Payments Platform Engineer: Core Banking & Fintech

Linuxassociation; Toronto; Hybrid; CAD 120,000 - 180,000; Full time

Job summary

Linuxassociation is seeking an experienced software engineer to design and maintain backend financial and payments systems, including core banking and settlement flows. The role emphasizes architecture influence, feature delivery, and rigorous documentation to meet regulatory and audit standards.

You will partner with cross-functional teams to translate business needs into actionable specs, mentor peers, and drive SDLC best practices while advancing cloud-native production services.

Qualifications

• Minimum of 5 years of software engineering experience.
• Experience designing and building backend financial or payments system flows.
• Strong ability to translate business requirements into technical specs and documentation.

Responsibilities

• Design, build, and maintain backend financial/payment systems flows (e.g., core banking, ACH, wire, card, digital asset processing).
• Influence software architecture and lead platform design decisions, focusing on payments and money-movement systems.
• Develop, test, and launch new features; document data flows and processes; ensure regulatory compliance and audit readiness.

Skills

Backend architecture

Cloud-based production services

Languages: Python, Next.js, React, Gol

Golang

C#

APIs

Databases: Postgres, DynamoDB

Blockchain / crypto familiarity

Technical documentation

Tools

PostgreSQL

DynamoDB

Job description

Linuxassociation is seeking an experienced software engineer to design and maintain backend financial and payments systems, including core banking and settlement flows. The role emphasizes architecture influence, feature delivery, and rigorous documentation to meet regulatory and audit standards.

You will partner with cross-functional teams to translate business needs into actionable specs, mentor peers, and drive SDLC best practices while advancing cloud-native production services.