Top AWS Jobs in Toronto

Lead technical strategy for Cash App Banking’s server engineering team, drive architecture and infrastructure improvements, contribute hands-on code, make cross-functional technical decisions, and mentor engineers. Build robust, scalable financial systems using modern backend technologies and event-driven microservices. Apply an AI-first mindset while delivering large-scale banking features and maintaining high engineering standards.

Own quarterly engineering goals, lead backend engineers through ambiguous problems, and deliver scalable, highly available systems. Collaborate with product, design, and analytics on technical decisions, monitor service reliability, support on-call operations, improve code and design standards, and mentor team members. Build and launch backend systems using Python or Kotlin, AWS, MySQL, and Kubernetes while maintaining quality across a large codebase.

Own quarterly engineering goals, lead backend engineers through ambiguous problems, and deliver highly available distributed systems. Collaborate with product, design, analytics, risk, data science, and operations while balancing technical trade-offs. Improve code quality, design standards, monitoring, availability, and on-call practices. Identify and resolve technical and business issues, support team development, and provide mentorship and feedback.

Leads the design and operation of reliable, scalable, observable cloud-native data platforms supporting vehicle telemetry and ingestion. Responsibilities include production readiness, CI/CD, SLOs, monitoring, incident response, automation, AI workflow evaluation, post-incident improvements, customer partnership, technical direction, and mentoring. The role requires hands-on programming, cloud infrastructure, observability, GitOps, and high-scale systems expertise, with participation in a weekly on-call rotation.

Leads a software engineering team responsible for vehicle data platform components across Android, Linux, and QNX. Oversees hiring, architecture, delivery, testing, releases, field support, reliability, telemetry, incident response, and technical direction. Partners with cloud, cybersecurity, privacy, platform, and application teams to deliver scalable software on resource-constrained vehicle ECUs and manage data flows to the cloud.

Architect enterprise-scale CI/CD platforms for embedded, simulation, and cloud workloads. Define engineering standards for branching, releases, quality gates, GitOps, Kubernetes, progressive delivery, Terraform-based infrastructure, security, compliance, and observability. Lead high-impact productivity initiatives, solve complex technical problems, connect multiple engineering programs, and mentor DevOps and simulation developers. The role focuses on virtualized vehicle software and safety-critical embedded real-time systems.

Develop and execute automated end-to-end testing for connected vehicle data and control-plane systems spanning embedded components, physical test assets, cloud infrastructure, and analytics platforms. Perform HIL and SIL testing, integration and performance validation, data integrity checks, observability, defect triage, and root-cause analysis. Build CI/CD-integrated regression suites, collaborate with embedded and cloud engineering teams, and document test frameworks, results, and performance standards.

Lead the architectural evolution of a large-scale recommendations platform into a distributed architecture. Design, build, operate, and optimize fault-tolerant backend services supporting AI-driven personalization. Collaborate with machine learning engineers and product stakeholders, own systems through deployment and incident response, champion engineering practices, and mentor team members.

Distinguished Engineer responsible for defining technical vision, architecting scalable cloud solutions, ensuring engineering quality, and solving complex system problems. The role provides cross-organizational technical leadership across software engineering, architecture, networking, and cloud platforms. Responsibilities include mentoring engineers, influencing technology standards, contributing hands-on code and designs, advising on system performance and operability, and driving innovation for Capital One’s business travel and expense platforms.

Build, launch, and maintain reliable backend systems using Python or Kotlin. Break projects into deliverable phases, collaborate with product, design, and analytics teams, monitor service health, support on-call operations, debug code, conduct code reviews, and contribute to team development. The role requires designing distributed systems, working across large codebases, writing tested and extensible code, and communicating effectively with global engineering stakeholders.

Monitor, triage, and investigate security alerts across identity, endpoint, email, SaaS, and cloud environments. Conduct routine incident investigations, gather evidence, document findings, support major incident response, and contribute to containment and recovery. Improve runbooks, tune detections, develop small scripts and automated workflows, and participate in post-incident reviews. Communicate clearly with global teammates while developing technical skills in security operations, incident response, threat detection, and automation.

As a Senior Software Engineer on the Cash App Banking team, you will lead the design, execution, and delivery of banking features, collaborating across teams to enhance the user experience.

Provides healthcare-focused technology consulting for MongoDB’s data platform. Translates complex technical concepts into business value, develops demos and enablement materials, supports sales opportunities through discovery, presentations, proofs of value, and solution design, and engages senior executives and industry organizations. Advises product teams on healthcare requirements, represents MongoDB at events, and helps develop scalable consulting processes. The role requires deep healthcare data expertise, strong software engineering and architecture skills, executive communication, and up to 30% travel.

The Staff Software Engineer will develop and execute technical strategies for Cash App Banking, lead architectural decisions, and mentor engineers, focusing on innovative financial solutions.

Lead the technical design and delivery of banking features at Cash App, collaborating across teams, driving architecture improvements, and mentoring engineers.

Build and lead medium-sized full-stack projects for MongoDB Atlas Identity and Access Management, covering authentication, authorization, platform security, and user-facing features. Collaborate across ideation, requirements, design, execution, and delivery while working with modern backend and frontend technologies. Ship production code quickly, contribute to team projects, and eventually lead technical design and delivery.

Set technical strategy, lead architecture and execution for scalable account-management systems, and deliver secure fullstack customer experiences. Collaborate with product, design, and analytics; establish engineering standards, monitoring, testing, alerting, and operational processes; support on-call ownership; communicate technical decisions; and mentor engineers while addressing account security and recovery challenges.

Build and operate ingestion and reconciliation pipelines that match card-network and partner reports against internal transactions. Develop reporting products, produce standardized journals for accounting, support tax and regulatory filing systems, handle sensitive PII for compliance, debug production issues, and collaborate with finance, product, and data teams to automate and scale reconciliation and reporting.

Design, build, scale, and operate high-volume payment APIs and distributed systems serving global traffic. Lead complex engineering projects from requirements through production, improve reliability, performance, observability, fault tolerance, and security, and participate in on-call and incident response. Collaborate across product and engineering teams, use AI-assisted development tools responsibly, and mentor engineers through technical reviews and documentation.

Own the direction and implementation of Babylist’s personalization domain, including recommendation, search, feed models, custom embeddings, and shared representations. Take ambiguous problems from concept through production, owning architecture, deployment, monitoring, retraining, evaluation, and customer impact. Partner with product, design, and data, establish AI development standards, make cross-team technical decisions, and coach senior engineers while remaining hands-on with complex machine learning 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.

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.

Lead the technical direction and implementation of large-scale SaaS product features. Build secure, reliable, maintainable, well-tested software; evaluate architectural trade-offs; debug team inefficiencies; and contribute to code reviews, documentation, and complex bug fixes. Collaborate across product, design, and engineering, influence strategy, identify organizational blockers, mentor engineers, and improve engineering practices around testing, performance, security, privacy, and reliability.

Develop and maintain audit-ready technical documentation supporting OSFI remediation findings, cloud hardening, security controls, infrastructure standards, and regulatory readiness. Collaborate with Cloud Engineering, Security, Risk, and Compliance teams to translate complex technical information into clear procedures, control documentation, remediation evidence, and operational standards. Coordinate stakeholders, identify documentation gaps, maintain version control, and align deliverables with governance and remediation timelines.

Drive sales strategy within MongoDB’s strategic accounts by identifying, qualifying, and closing new workloads; expanding product adoption through upsells and cross-sells; cultivating executive relationships; collaborating with Customer Success, Professional Services, Marketing, and Product; and exceeding quarterly sales quotas.