Top AWS Jobs in Toronto

Design, develop, and deploy scalable LLM-based solutions (RAG, agentic workflows, PEFT). Lead architecture, implement cloud and DevOps best practices (AWS, Azure, Databricks, Terraform, Docker, Kubernetes), build prompt/response guardrails, collaborate cross-functionally, and manage full SDLC and production deployments.

Design, implement, and integrate enterprise-scale CIAM solutions including authentication, authorization, MFA/step-up, ID proofing, and customer onboarding. Collaborate with architects, security teams, and stakeholders to integrate CIAM with applications, APIs, and fraud prevention tools, contribute to capability assessments, technical roadmaps, and continuous improvement across identity ecosystems.

Build and deploy production-scale LLM and ML systems: own end-to-end lifecycle, optimize GPU/Kubernetes deployments, implement production APIs, monitoring, CI/CD, collaborate with product, and set AI engineering best practices.

Lead end-to-end ML lifecycle for enterprise NLP and generative AI systems: prototype, fine-tune, deploy, and scale LLM/NLP solutions on GPU-backed Kubernetes cloud infrastructure while ensuring observability, CI/CD, performance, and cost efficiency.

Develop software solutions as part of Agile teams, focusing on user experience, CI/CD pipelines, and maintaining software quality. Engage in continuous learning and collaboration.

Design, build, and maintain scalable data pipelines and ML model enablement at petabyte scale. Partner with data scientists to productionize features and models, ensure secure data governance, automate distributed workflows, implement testing/monitoring, and support incident response and performance tuning for fraud and identity risk systems.

Act as a hands-on technical lead across the SDLC: design and develop cross-platform, fault-tolerant applications; own architecture and HLD; improve developer experience and engineering best practices; mentor junior engineers; work with cloud-native technologies, microservices, RESTful APIs, and container deployments.

Lead design and delivery of scalable, secure Android solutions. Provide hands-on development, architecture, and technical strategy. Mentor engineers, influence architectural roadmaps, and collaborate with cross-functional teams to align technology with business goals.

Lead technical vision and architecture across cloud-native platforms. Provide hands-on development, design and scalability guidance, mentor engineers, produce reusable solutions, and influence engineering excellence organization-wide.

Design and oversee scalable, secure solution architectures and create ADRs/HLDs. Lead governance reviews, maintain a technical/business capability catalog, evaluate new technologies, collaborate with stakeholders, and mentor teams to adopt architectural best practices and continuous improvement.

Hands-on technical lead within the SDLC owning design and development of cross-functional, fault-tolerant applications. Drive architecture and HLD, improve developer experience and internal tools, establish engineering best practices and code review standards, solve complex technical problems, and mentor junior and intermediate engineers.

Lead design and implementation of scalable, secure solution architectures and high-level designs. Create ADRs/HLDs, participate in governance, evaluate technologies, collaborate with stakeholders, mentor teams, and ensure compliance with architectural and security standards.

Lead technical design and hands-on development of cross-functional, fault-tolerant, multi-platform systems. Own architecture (HLD), improve developer experience and internal tools, establish engineering best practices and code review standards, provide technical expertise, and mentor junior and intermediate engineers throughout the SDLC.

Hands-on Staff Software Engineer responsible for technical design, architecture, and development of fault-tolerant, cross-functional microservice systems. Act as tech lead, improve developer experience, establish engineering best practices, and mentor junior/intermediate engineers.

As a Solutions Engineer, you will support sales with technical expertise, manage demos and POCs, and collaborate with various teams to optimize customer solutions.

Design and review scalable, secure solution architectures and high-level designs. Lead ADRs, governance reviews, and cloud-based solutions. Collaborate with stakeholders, mentor teams, and ensure alignment with architectural and security standards.

The Senior Software Engineer will develop backend services, optimize infrastructure, improve processes, maintain CI/CD pipelines, and mentor team members in a collaborative environment.

Design and develop Large Language Model-based applications within Pharma R&D, focusing on client collaboration and technical excellence while ensuring production readiness and performance optimization.

Platform-focused SRE role responsible for designing and operating multi-cloud Kubernetes infrastructure, CI/CD (Argo Workflows/ArgoCD), and onboarding/self-service tooling. Build reliable deployment pipelines, support deployment systems, collaborate across Platform Engineering, and participate in a 24/7 on-call rotation. Must work East Coast hours and drive automation to reduce toil.

Own application-layer risk identification and remediation across consumer products and APIs. Build and operate AppSec tooling, Harden auth/authorization and GraphQL security, run HackerOne and offensive testing, lead threat modeling and security reviews, and build AI agents to automate triage and remediation while embedding secure-by-default practices into engineering workflows.

Design, operate, and improve cloud security for a multi-account AWS environment and Kubernetes clusters. Build detection, prevention, and automated remediation workflows, drive zero-trust access, shift-left security in pipelines, integrate cloud security tooling, mentor engineers, and partner with infrastructure teams on identity, networking, and secrets management.

Lead full-stack design and development for Capital One's travel platform, owning architecture, implementing front-end and back-end features, improving engineering tools and practices, mentoring junior engineers, and integrating with partners like Brex while leveraging cloud services and databases.

Named technical partner for a portfolio of financial-services customers to deepen adoption of CoreWeave's AI platform. Design, train, fine-tune, evaluate, and deploy LLM and deep-learning workloads; guide AI lifecycle, troubleshoot complex production issues, drive expansion, and represent customer needs to product and engineering. Deliver architecture recommendations, demos, workshops, and executive presentations.

Lead backend architecture and development across the full SDLC for Capital One's travel platform. Own technical design, build fault-tolerant systems, improve developer experience, establish engineering best practices, and mentor junior engineers while collaborating with cross-functional stakeholders.

Lead and mentor multiple software engineering teams to build scalable, resilient full-stack travel and expense solutions. Drive architecture, hands-on development, CI/CD, automated testing, security, and integration with partners (e.g., Brex). Partner with product and business stakeholders to deliver high-availability customer and enterprise web applications.