Top Software Engineer Jobs in Montréal, QC

Provides technical leadership for Expedia Group’s content platforms, defining backend and full-stack architecture for scalable content acquisition, enrichment, curation, and delivery. Designs AWS cloud-native systems, REST and gRPC APIs, data models, and distributed services. Establishes engineering standards for testing, deployment, reliability, observability, and operational excellence across multiple teams. Guides cross-functional architecture decisions and the safe production integration of AI and machine learning capabilities. Requires 10+ years of experience and French-English bilingualism.

Develop and enhance enterprise Java applications for complex financial systems, using Spring, SQL, multithreading, concurrency, and low-latency programming. Apply TDD, write automated unit and integration tests, optimize database and application performance, and collaborate with business analysts, DevOps, QA, and product teams. The role focuses on banking and investment platforms, including trading, risk management, and settlement systems, and requires French-English bilingual proficiency.

Software Developer Intern contributing to Ericsson’s 5G core network products in Montreal. Responsibilities include migrating test pipeline reports to a web interface, creating automated functional tests, troubleshooting test failures, developing and maintaining cloud-native microservices, and participating in the full software development lifecycle. The role is hybrid, requires French and English, and runs January 2027 for 4–8 months.

Software Engineering Intern contributing to a next-generation network management service. Responsibilities may include systems software, automated and end-to-end testing, performance and scale analysis, debugging, developer tooling, and code reviews. The intern will use AI coding tools throughout the software development lifecycle while validating AI-generated work through tests, measurements, and engineering judgment under senior developer mentorship.

Leads the design, development, optimization, and long-term technical direction of Unreal Engine systems for an AAA game. Responsibilities include engine architecture, low-level programming, performance and memory optimization, platform integration, debugging, engine upgrades, coding standards, technical planning, and mentoring engine programmers. The role collaborates across gameplay, rendering, tools, pipeline, and production teams.

As a Senior Rendering Programmer, you'll create and optimize rendering technologies, manage shaders, and mentor junior programmers while collaborating with design and art teams to improve game visuals.

Develop and implement customized client integration solutions using APIs, connectors, middleware, and data transformation techniques. Collaborate with integration consultants, engineering, product, project management, and customers to translate business requirements into technical solutions. Provide technical guidance, troubleshoot issues, test for reliability and security, maintain documentation, communicate project progress, and support integration projects through delivery. The role serves primarily English-speaking clients in the United States and English Canada.

Build and maintain scalable backend platforms for capital orchestration, including transaction reconciliation, data pipelines, cash movement workflows, and business-user experiences. Collaborate with product, design, analytics, and engineering partners to deliver tested, extensible systems. Support code quality, monitoring, operational availability, on-call activities, and phased project delivery while developing expertise in Affirm’s capital systems.

Lead technical strategy and execution for a full-stack card experiences team. Design and launch scalable backend systems and web or mobile applications, collaborate with product, design, analytics, risk, and operations, and own features from problem definition through production monitoring. Improve reliability, on-call operations, code quality, and technical standards while mentoring engineers and applying AI thoughtfully.

Design and develop backend features for Affirm’s underwriting platform, supporting merchants and consumers across Affirm Card, e-commerce, and app interfaces. Collaborate with product, design, analytics, and credit risk teams; implement reliable distributed systems; monitor metrics and availability; participate in on-call support, code reviews, debugging, interviewing, and engineering growth activities.

Leads GitLab’s Database Excellence organization, setting strategy for PostgreSQL and other application datastores. Owns database reliability, capacity, availability, sustainability, infrastructure costs, and platform standardization. Manages three Engineering Managers, develops technical leaders, oversees hiring and organization design, establishes objectives and KPIs, manages budgets, partners cross-functionally on platform investments, and serves as an escalation point for database incidents and operational processes.

Lead the creation of Babylist’s in-house search platform from zero to production. Own architecture for indexing, retrieval, ranking, query understanding, personalization, quality measurement, and conversational search. Set technical and product direction, drive cross-team initiatives, build scalable platforms, partner with product, design, data, and AI teams, and coach senior engineers. The role requires hands-on production search experience, strong system design, user-focused experimentation, and ownership of measurable customer and business outcomes.