Top Software Engineer Jobs in Montreal

Design, build, test, ship, and operate services powering card issuance, transaction processing, and disputes. Own features end-to-end within a microservice and event-driven architecture, write well-tested code, participate in on-call incident response, and leverage AI tools to improve development velocity and quality while collaborating with cross-functional teams.

The Software Engineer will enhance Lending products for Cash App, focusing on building complex systems, APIs, and collaborating with multiple teams to support economic empowerment through accessible credit.

Looking for a Software Engineer to build financial products and tooling for Cash App's Lending team, ensuring quality and compliance while collaborating across domains.

Develop, launch, and maintain backend systems for card issuing and transaction processing. Break down projects, collaborate with product/design/analytics, write clear well-tested code, support operations and on-call duties, create/monitor metrics, perform code reviews, and participate in hiring and team growth activities.

Build and extend smart contracts and backend services for issuance, minting, burning, reserve accounting, and rewards for custom USDC-backed stablecoins. Implement onboarding, reporting, monitoring, and internal tooling, collaborate with cross-functional teams, and write well-tested production code across backend and on-chain surfaces.

Design, build, and maintain highly scalable backend services and APIs for Expedia's content platform. Deliver robust low‑level designs, data models, and well‑tested code; own operational health, observability, and incident response; collaborate with product and cross‑functional teams; and safely integrate AI/ML capabilities to improve content quality and automation.

As a Staff Fullstack Software Engineer, you'll optimize user monetization systems at Dropbox, leading technical strategies for checkout and subscriptions while mentoring engineers.

You will design, develop, and launch backend systems, APIs, and collaborate with cross-functional teams to support product development and operations.

Design, build, and maintain full‑stack services and UIs for Expedia's content platform. Own end‑to‑end feature delivery, API and data modeling, performance and observability, and safely integrate AI/ML capabilities. Collaborate across teams in a DevOps, agile environment.

Design, build, test, and operate backend services and APIs for Expedia's content platform. Collaborate with product and partner teams, ensure observability, reliability, and security, and safely integrate AI/ML capabilities to improve content quality and automation.

Lead design, implementation, and operation of full-stack, customer-facing web experiences (Browse, Navigate, Preview). Drive architecture, tradeoffs, observability, testing, and on-call readiness. Partner with Product, Design, Data, Infrastructure, and platform teams, use approved AI tools responsibly, and own multi-phase rollouts, measurement, and cross-team alignment.

Build and operate ingestion, reconciliation, and reporting systems that reconcile card-network and partner settlement files against internal transactions. Deliver end-to-end features for traceability, accounting journals, tax and regulatory reporting, and compliance tooling while ensuring reliability, scalability, and data privacy.

Build and maintain backend systems for money movement and card ledger features. Design, develop, and launch scalable APIs and services (Python or Kotlin) using AWS, MySQL, and Kubernetes. Collaborate with product, design, data science, and cross-functional teams, support operations and on-call, create and monitor metrics, participate in code reviews and hiring, and deliver well-tested, extensible solutions.

Design, develop, test, and maintain scalable backend services and distributed systems (primarily in Go). Build cloud-native APIs/microservices, ensure secure communication with devices, participate in code reviews and architecture, collaborate with product and architecture teams, and own services across deployment, observability, and continuous improvement.

Design, develop, and maintain backend services and APIs using C#/.NET. Modernize legacy applications, build CI/CD pipelines in Azure DevOps, integrate third-party APIs and AI developer tools, write unit/integration tests, respond to code scanning and secure coding practices, and collaborate with product, operations, and compliance in an agile process.

Design, build, test, and maintain Unity's monetization backend systems focused on content moderation, fraud prevention, and privacy compliance. Develop low-latency APIs, distributed services, deduplication and labeling tools, and fraud-detection/enrichment pipelines. Collaborate in a remote-first team to deliver scalable, high-quality code and meet project priorities and deadlines.

Develop and maintain reliable, secure, high-throughput cloud data services. Collaborate with product and architecture teams to design cloud-native solutions, build and evolve APIs, improve processes, document and present solutions, mentor peers, and work with CI/CD pipelines and cloud databases to deliver scalable services used by millions.

Build and deliver education-focused product experiences across backend services, integrations, automation, experimentation, and light frontend. Implement APIs, containerized deployments, CI/CD, and integrate ML/AI solutions; write well-tested production code, maintain observability, and collaborate with cross-functional teams to take features from prototype to production.

Build and maintain cloud-native services, APIs, and platform capabilities. Design, implement, test, and troubleshoot scalable SaaS/backend systems. Collaborate with product, UX, and engineering teams, participate in code reviews, agile delivery, and continuous learning.

Provide technical and production expertise for Autodesk Maya customers: understand pipelines, diagnose issues, design and develop fixes and tooling, write tests, collaborate with cross-functional teams, and occasionally travel to client sites.

The Software Developer II will design, implement, and maintain the infrastructure for data management, ensuring scalability and reliability, while collaborating with various teams to fulfill data needs.

Provide DB2 and/or Sybase database administration and development, including replication, performance tuning, index design, MQT/MDC, partitioning, and data migration. Use scripting (UNIX/Perl), collaborate with teams, and troubleshoot performance. Preferred knowledge includes HA/DR, load balancers, data modeling, version control (Perforce), and ETL tools like Informatica.

Own and evolve Directive's web surfaces for Stratos and company sites: build campaign and reporting UIs, integrate ad/CRM APIs, manage background jobs, containers, CI/CD, databases, telemetry, auth, and LLM integrations; stabilize inherited code and ship production features iteratively.

Design, implement, and maintain scalable backend services and APIs (REST/gRPC); support production systems; improve processes and technology; participate in design reviews, documentation, user story creation, and cross-team collaboration to deliver high-quality, maintainable code.

The Software Engineer will develop real-time content technology and internal tools using Unreal Engine for cutting-edge AR experiences in sports.