Top Software Engineer Jobs in Toronto

15 Days AgoSaved
Remote or Hybrid
Toronto, ON
Senior level
Senior level
eCommerce • Information Technology • Machine Learning • Marketing Tech • Database • Analytics • Big Data Analytics
Design, build, and maintain scalable data pipelines and tenant-aware APIs to ingest and transform data from ad platforms, order systems, and real-time events. Ensure reliability, observability, and maintainability across event-driven and batch architectures, implement authentication flows, optimize data workflows in a cloud-native environment, and collaborate with product, infrastructure, and data teams to onboard new sources.
Top Skills: AirflowAPIsBigQueryDockerETLGraphQLKubernetesPythonRestSQLWebhooks
15 Days AgoSaved
Remote
Toronto, ON
Senior level
Senior level
Kids + Family • Mobile
Design, build, and ship iOS and/or Android pet product features using AI-native workflows. Collaborate with cloud, design, and product teams, integrate event-driven data, ensure observability and quality, and contribute to CI/CD and engineering standards.
Top Skills: Agentic WorkflowsAmplitudeAsync-AwaitCi/CdClaude CodeCombineCoroutinesCursorDaggerDatadogEspressoFirebase CrashlyticsFlowFunction CallingGithub CopilotGradleGrpcHiltJetpack ComposeKafkaKotlinLlmsMaestroMcpPrompt EngineeringPush NotificationsRestSnapshot TestingSpmSwiftSwift Package ManagerSwiftuiUikitXcuitest
Reposted 24 Days AgoSaved
In-Office
Toronto, ON
Senior level
Senior level
Blockchain • Fintech • Financial Services • Cryptocurrency • Web3
As a Senior Software Engineer, you will design trade settlement infrastructure for crypto trading, focusing on APIs, financial integrity, and mentorship.
Top Skills: GoKafkaNode.jsPostgresTypescript
Reposted 24 Days AgoSaved
Hybrid
Toronto, ON
Senior level
Senior level
Information Technology
Lead design and delivery of enterprise-scale AI systems (including RAG and multi-agent architectures), drive AI strategy and POCs, embed solutions with business units, mentor engineers, establish MLOps/LLMOps practices, and scale prototypes into production.
Top Skills: APIsAWSAzureCloud-Native ArchitecturesData PipelinesDockerEmbeddingsGCPInformation RetrievalJaxKubernetesLlmopsMlopsMulti-Agent SystemsPythonPyTorchRagSemantic SearchTensorFlowTerraformVector Databases
Reposted 24 Days AgoSaved
Hybrid
Toronto, ON
Senior level
Senior level
Information Technology
Design and build full‑stack, agent‑first web applications and scalable cloud-native APIs; partner with AI Engineers to integrate models and data flows; lead architecture, mentor engineers, rapidly prototype AI interaction models, and drive cross-functional delivery.
Top Skills: .NetAngularAWSAzureCi/CdDockerEmbeddingsFastapiGCPJavaKubernetesNext.JsNode.jsNuxtObservabilityPythonReactSemantic SearchSpringVector DatabasesVue
Reposted 24 Days AgoSaved
Hybrid
Toronto, ON
Expert/Leader
Expert/Leader
Information Technology
The Lead Inference Platform Engineer optimizes AI models for performance, deploys workloads across cloud platforms, and collaborates on model integration and infrastructure scaling.
Top Skills: AWSAzureCudaGCPKubernetesOnnx RuntimePyTorchTensorFlowTensorrt
15 Days AgoSaved
Remote
Toronto, ON
Senior level
Senior level
Fintech • Mobile • Payments • Software
Build foundational agent infrastructure for LLM-driven developer assistant: orchestration, tool execution, context management, evaluation, and trust/permissions. Ship reliable, observable backend systems, own core infra, participate in on-call, and mentor peers while launching agentic features to customers.
Top Skills: AnthropicLangchainLangfuseLlmsOpenaiSlack
15 Days AgoSaved
Remote
Toronto, ON
Senior level
Senior level
Fintech • Mobile • Payments • Software
Design, build, ship, and own end-to-end product features across frontend, backend, and data. Translate ambiguous product requirements into reliable, well-tested systems; deploy, monitor, and maintain production services; participate in design and architecture, code reviews, and mentor peers while working closely with product and design teams.
Top Skills: AWSCSSDjangoFlaskHTMLJavaScriptPostgresPythonReactSQLTypescript
15 Days AgoSaved
Remote
Toronto, ON
Senior level
Senior level
Information Technology
Lead design and delivery of self-service platform capabilities: provisioning, deployment, observability, and multi-region networking. Drive RFCs and cross-team alignment, build APIs (primarily in Go), implement Terraform/GitOps flows, improve EKS reliability and Grafana-based SLOs, and reduce operational toil via safe, auditable automation. Own on-call rotation and platform adoption outcomes.
Top Skills: Argo CdCanariesCniEksEnvoyEnvoy GatewayGithub ActionsGitopsGoGrafana CloudKubernetesLinuxNetworkingOpentelemetryPrometheusService MeshTerraform
Reposted 15 Days AgoSaved
Remote or Hybrid
Toronto, ON
Senior level
Senior level
Artificial Intelligence • Financial Services
As a Senior Software Engineer at Ayama, you will build and improve AI-based systems, design data pipelines, and develop full-stack product features. This role requires strong architectural judgment and hands-on experience with optimization problems and large-scale data processing.
Top Skills: Ai-Assisted Development ToolsDjangoFastapiGCPPythonReactTypescript
Reposted 15 Days AgoSaved
Remote
Toronto, ON
Senior level
Senior level
Artificial Intelligence • Fintech • Machine Learning • Software • Financial Services
The Staff Software Engineer will design, build, and maintain compliance systems for fraud prevention, managing KYC workflows and regulatory reporting. They will mentor engineers and drive technical strategy while collaborating with various stakeholders.
Top Skills: AmlAPIsCase Management SystemsGoKycRegulatory Reporting
Reposted 15 Days AgoSaved
In-Office or Remote
Toronto, ON
Senior level
Senior level
Artificial Intelligence • Healthtech
Build and scale core research infrastructure and agentic systems across backend, frontend, and model integrations. Own reliability, observability, and performance; ship research-proven features to production rapidly and develop shared tools and SDKs to accelerate Research, QA, and Engineering.
Top Skills: Api DesignAWSAzureCi/CdGCPInstrumentationLarge Language Models (Llms)LoggingNode.jsReactSdksStreamingTracingTypescript
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Reposted 15 Days AgoSaved
Remote or Hybrid
Toronto, ON
Senior level
Senior level
Fintech • Payments • Software • Financial Services
As a Staff Software Engineer at Arc, you will lead the design and development of a new AI-native banking platform, focusing on reliability and scalable systems for cash management and treasury solutions, while influencing product direction and mentoring team members.
Top Skills: AIDistributed SystemsDocument UnderstandingEmbeddingsFinancial Data SystemsLlmsOrchestration AgentsVectorized Workflows
Reposted 15 Days AgoSaved
Remote
Toronto, ON
Senior level
Senior level
Marketing Tech
As a Senior Software Engineer at Qualified, you will enhance products using AI technologies, deliver exceptional user experiences, and own end-to-end feature delivery while mentoring others.
Top Skills: AWSGoJavaScriptLlmsPostgresPythonReactRuby On Rails
Reposted 15 Days AgoSaved
Remote
Toronto, ON
Senior level
Senior level
Marketing Tech
As a Senior Software Engineer at Qualified, you will develop and maintain high-performance backend systems, mentor other developers, and ensure robust and secure operations, while driving engineering excellence and enhancing system performance.
Top Skills: AWSAzureGoGCPPostgresPythonRuby On RailsSQL
Reposted 15 Days AgoSaved
Remote
Toronto, ON
Senior level
Senior level
Big Data • Cloud • Digital Media • Machine Learning • Mobile • Software • Industrial
Develop high-quality software products, maintain unit tests, ensure code security, mentor junior engineers, participate in agile methodologies, and collaborate with customers and stakeholders.
Top Skills: AngularjsAWSAws-KinesisDynamoDBEmrGraphQLJavaScriptKafkaMySQLPythonReactRestful ApiS3Snowflake
Reposted 15 Days AgoSaved
Remote
Toronto, ON
Senior level
Senior level
Cloud • Information Technology • Software • Infrastructure as a Service (IaaS)
As a Senior Software Engineer, you will build and operate Upbound Spaces, resolve issues in SaaS environments, develop features, support project lifecycles, manage Kubernetes services, and enhance operational tools.
Top Skills: GoGrafanaKubernetesOpentelemetryPrometheus
Reposted 15 Days AgoSaved
Remote
Toronto, ON
Senior level
Senior level
Kids + Family • Mobile
As a Staff Software Engineer AI-Native, you will build and evolve AI-native engineering workflows, design high-quality APIs, and collaborate with international teams to deliver reliable services while mentoring others.
Top Skills: Ai Coding AssistantsAWSJavaKafkaKafka StreamsSpring Boot
Reposted 15 Days AgoSaved
Remote
Toronto, ON
Senior level
Senior level
Digital Media • News + Entertainment
The Senior Software Engineer will develop solutions, mentor junior developers, collaborate with teams, and design user experiences for Supercast's platform, managing project success criteria.
Top Skills: Aws Ec2Aws Elasticache RedisAws Rds PostgresHotwireRspecRuby On Rails
Reposted 15 Days AgoSaved
Remote
Toronto, ON
Senior level
Senior level
Insurance • Financial Services
As a Senior Software Engineer, you will lead full stack development of AI-driven features, ensuring best practices in security and scalability while mentoring engineers and collaborating cross-functionally.
Top Skills: AIAWSMachine LearningPostgresPythonReactRedux
Reposted 25 Days AgoSaved
In-Office or Remote
Toronto, ON
Senior level
Senior level
Big Data • Information Technology • Machine Learning • Sales • Software • Database • Generative AI
The role involves building and optimizing big data pipelines, designing data architectures, collaborating with data scientists, and driving technical strategy for data processing infrastructure.
Top Skills: HadoopJavaScalaSpark
Reposted 25 Days AgoSaved
In-Office
Toronto, ON
Senior level
Senior level
Software
The Senior Software Developer at SOTI is responsible for developing innovative solutions, mentoring team members, writing scalable code, and supporting full development lifecycle.
Top Skills: .NetAngularjsC#C++CSSJSONSQLT-SqlXML
Reposted 25 Days AgoSaved
In-Office
Toronto, ON
Senior level
Senior level
Software • PropTech
The Senior Software Engineer will architect and deliver a CRM and data platform, automate workflows, and integrate data across systems to support growth in the firm.
Top Skills: ModalN8NNext.JsNode.jsPostgresPrefectPythonReactRedisSupabaseTailwindcssTypescript
Reposted 25 Days AgoSaved
In-Office
Toronto, ON
Mid level
Mid level
Insurance • Real Estate
The AI Solution Engineer will design and implement AI solutions, develop workflows, collaborate with teams, and maintain AI systems to enhance decision-making and automation.
Top Skills: AsrAzure Content UnderstandingCi/CdContainerizationIntelligent Document ProcessingLangchainLanggraphMlopsNlpNluPythonTts
Reposted 25 Days AgoSaved
Hybrid
Toronto, ON
Expert/Leader
Expert/Leader
HR Tech
The Staff Engineer role involves architectural leadership combined with hands-on coding for enterprise SaaS applications, mentoring engineers, and driving technical decisions across projects.
Top Skills: AgileAWSDockerJavaKubernetesSQL
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