Top Software Engineer Jobs in Toronto

Reposted YesterdaySaved
Hybrid
Toronto, ON
Mid level
Mid level
eCommerce • Fintech • Real Estate • Software • PropTech
As a Software Engineer at Opendoor, you will build crucial production systems, own features from design to deployment, and mentor teammates while leveraging AI tools.
Top Skills: AIGeneral-Purpose Programming LanguagesRelational Databases
Reposted YesterdaySaved
Hybrid
Toronto, ON
Senior level
Senior level
Artificial Intelligence • Cloud • Information Technology • Legal Tech • Productivity • Software
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.
Top Skills: AksAWSAzureCi/CdContainerizationGCPGpusHugging FaceKubernetesLlmsModel/Version TrackingPythonPyTorchTransformer Architectures
Reposted YesterdaySaved
Hybrid
Toronto, ON
Mid level
Mid level
Artificial Intelligence • Cloud • Information Technology • Legal Tech • Productivity • Software
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.
Top Skills: AksAWSAzureCi/CdDockerGCPGpusHugging FaceKnowledge GraphsKubernetesLangchainLlamaindexPythonPyTorchRaySglangVllm
Reposted YesterdaySaved
Hybrid
Toronto, ON
Internship
Internship
Fintech • Machine Learning • Payments • Software • Financial Services
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.
Top Skills: AngularAWSCloudwatchEspressoGoJavaScriptJenkinsKotlinMockitojunitrunnerNew RelicNode.jsReactSplunkSwiftTypescriptXctest
3 Days AgoSaved
Hybrid
Toronto, ON
Internship
Internship
Cloud • Information Technology • Internet of Things • Machine Learning • Software • Cybersecurity • Infrastructure as a Service (IaaS)
Work as an intern implementing cloud-native and digital infrastructure features. Refine requirements, define architectures, integrate and test solutions. Engage with open-source technologies and DevOps tools, develop UI and backend components, and collaborate within Agile/scrum teams while demonstrating strong communication and teamwork in a multicultural environment.
Top Skills: AngularCloud SecurityDockerElkGen AiGitlabHTML5JavaJavaScriptJenkinsKubernetesLlmPythonService MeshSpinnakerSpring Boot
8 Days AgoSaved
Easy Apply
Hybrid
Toronto, ON
Easy Apply
Mid level
Mid level
Artificial Intelligence • Cloud • Information Technology • Machine Learning • Software • Big Data Analytics • Automation
Build and operate full-stack scheduling platform components: design, code, test, and ship backend microservices, APIs and front-end interfaces. Architect highly available services, scalable databases and reliable data streams, collaborate with product and design, participate in on-call rotation, and advance AI-native engineering practices.
Top Skills: Ai Coding ToolsAi/MlAPIsAuroraAWSData StreamsJavaKafkaMicroservicesMySQLNoSQLPythonReact
Reposted YesterdaySaved
Remote or Hybrid
Toronto, ON
Senior level
Senior level
Cloud • Insurance • Payments • Software • Business Intelligence • App development • Big Data Analytics
Seeking a Software Engineer/Senior Software Engineer to design, develop, and deliver quality backend services and APIs using Go, with emphasis on Kubernetes and cloud services.
Top Skills: BigQueryCdc FrameworksGcp (Google Cloud Platform)Go (Golang)Helm ChartsKubernetesPub/SubRestful Apis
Reposted 4 Days AgoSaved
Remote
Toronto, ON
Expert/Leader
Expert/Leader
Artificial Intelligence • Cloud • Consumer Web • Productivity • Software • App development • Data Privacy
The Senior Infrastructure Software Engineer will build and manage a scalable, in-house search platform, ensuring seamless user experiences and expanding capabilities for a global user base.
Top Skills: C/C++ElasticsearchGoJavaPython
5 Days AgoSaved
Remote
Toronto, ON
Senior level
Senior level
Artificial Intelligence • Cloud • Consumer Web • Productivity • Software • App development • Data Privacy
Design, build, and operate large-scale distributed storage systems ensuring durability, availability, and performance. Implement replication, erasure coding, and lifecycle management; write high-quality Go and Rust code; participate in on-call rotations; troubleshoot production issues; collaborate across networking, hardware, and capacity teams; own scoped projects and drive infrastructure architecture and reliability improvements.
Top Skills: C++CephDistributed Storage SystemsErasure CodingFile SystemsGfs/ColossusGoObservabilityProduction MonitoringReplication ProtocolsRustS3
5 Days AgoSaved
Easy Apply
Remote
Toronto, ON
Easy Apply
Junior
Junior
Big Data • Fintech • Mobile • Payments • Financial Services
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.
Top Skills: AWSKotlinKubernetesMySQLPython
Reposted 14 Days AgoSaved
Easy Apply
Hybrid
Toronto, ON
Easy Apply
Junior
Junior
Big Data • Cloud • Software • Database
Design, implement, and maintain backend software for Atlas Search, focusing on scalability and system architecture improvements while collaborating with a team.
Top Skills: Cloud ServicesDistributed SystemsJava
Reposted 5 Days AgoSaved
Remote
Toronto, ON
Expert/Leader
Expert/Leader
Artificial Intelligence • Cloud • Consumer Web • Productivity • Software • App development • Data Privacy
The role involves designing scalable backend systems for Dropbox's Commerce Platform, focusing on system strategy, reliability, and cross-department collaboration.
Top Skills: BillingCpqDistributed SystemsEcommerceSalesforce CRM
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Reposted 5 Days AgoSaved
Remote or Hybrid
Toronto, ON
Senior level
Senior level
Blockchain • Fintech • Mobile • Payments • Software • Financial Services
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.
Top Skills: AuroraAWSBuildkiteDatadogDynamoDBGradleGrpcGuiceHibernateHTTPJavaJettyJooqJSONJunitKafkaKotlinMySQLOkhttpProtocol BuffersRedisVitess
Reposted 6 Days AgoSaved
Remote
Toronto, ON
Senior level
Senior level
Artificial Intelligence • Cloud • Consumer Web • Productivity • Software • App development • Data Privacy
The Senior Infrastructure Software Engineer will re-architect Identity systems, focusing on large-scale distributed systems design, API design, and collaborate with teams to implement wide-ranging use cases while mentoring junior engineers.
Top Skills: GoPython
Reposted 9 Days AgoSaved
Easy Apply
Remote or Hybrid
Toronto, ON
Easy Apply
Mid level
Mid level
Artificial Intelligence • Cloud • Computer Vision • Hardware • Internet of Things • Software
Build and evolve core AI platform capabilities: design shared execution patterns, APIs, and backend services to support multi-step GenAI workflows, model integrations, and scalable production systems. Collaborate with AI engineers, data scientists, and product partners to turn emerging AI use cases into reliable, extensible platform features.
Top Skills: GoJavaLangchainLlmsMcpOpenai SdkPython
Reposted 9 Days AgoSaved
Easy Apply
Remote
Toronto, ON
Easy Apply
Junior
Junior
Big Data • Fintech • Mobile • Payments • Financial Services
The Software Engineer II will ship features to enhance Affirm's marketplace, supporting product development and collaborating with design and analytics teams while ensuring operational stability.
Top Skills: KotlinPythonReactVue
Reposted 20 Days AgoSaved
In-Office
Toronto, ON
Mid level
Mid level
Gaming
Join Rockstar Games as a Software Engineer (C++) in Core Security, develop anti-cheat technologies, and protect game integrity.
Top Skills: Anti-Cheat TechnologiesAnti-Tamper TechnologiesC++Reverse Engineering
Reposted 20 Days AgoSaved
Easy Apply
Remote or Hybrid
Toronto, ON
Easy Apply
Mid level
Mid level
Big Data • Cloud • Software • Database
The Software Engineer 3 will design, build, and operate backend services for Cloud Payments, focusing on large-scale distributed systems, collaborating with teams to enhance billing and payment capabilities, ensuring system reliability and customer experience.
Top Skills: AWSAzureDockerGCPGrpcJavaKubernetesMongoDB
Reposted 11 Days AgoSaved
Easy Apply
Remote
Toronto, ON
Easy Apply
Mid level
Mid level
Big Data • Fintech • Mobile • Payments • Financial Services
As a Software Engineer II, you'll implement critical features, collaborate with teams, maintain full stack systems, and ensure high-quality code in a dynamic environment.
Top Skills: ChronosphereCSS3Es6JavaJavaScriptKibanaKotlinPythonReactReact NativeReduxRollbarSentry.IoTypescriptWebpack
Reposted 11 Days AgoSaved
Easy Apply
Remote
Toronto, ON
Easy Apply
Junior
Junior
Big Data • Fintech • Mobile • Payments • Financial Services
You will design, develop, and launch backend systems, APIs, and collaborate with cross-functional teams to support product development and operations.
Top Skills: AWSKotlinKubernetesMySQLPython
12 Days AgoSaved
Easy Apply
Remote
Toronto, ON
Easy Apply
Junior
Junior
Big Data • Fintech • Mobile • Payments • Financial Services
Build and operate ML training and serving infrastructure. Design, develop, and launch backend systems, collaborate across teams, support operations and on-call, write well-tested extensible code, and participate in team growth and hiring activities.
Top Skills: AWSKotlinKubernetesMySQLPython
Reposted 12 Days AgoSaved
In-Office or Remote
Toronto, ON
Senior level
Senior level
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
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.
Top Skills: AuroraAWSDynamoDBGrpcGuiceHibernateHTTPJavaJettyJooqJSONJunitKafkaKotlinMySQLOkhttpProtocol BuffersRedisVitess
Reposted 12 Days AgoSaved
In-Office or Remote
Toronto, ON
Expert/Leader
Expert/Leader
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
As a Software Engineer, you will design and build backend services and integrations for financial operations, focusing on scalable technology solutions and AI enablement, while collaborating with cross-functional teams to ensure compliance and data integrity.
Top Skills: AWSDatadogDynamoDBGrpcHTTPJavaJavaScriptJSONKafkaKotlinKubernetesLaunchdarklyMySQLPrometheusProtocol BuffersPythonSnowflake
Reposted 12 Days AgoSaved
Remote
Toronto, ON
Expert/Leader
Expert/Leader
Artificial Intelligence • Cloud • Consumer Web • Productivity • Software • App development • Data Privacy
As a Staff Fullstack Software Engineer, you'll optimize user monetization systems at Dropbox, leading technical strategies for checkout and subscriptions while mentoring engineers.
Top Skills: GoPythonReactTypescript
14 Days AgoSaved
Easy Apply
Remote
Toronto, ON
Easy Apply
Junior
Junior
Artificial Intelligence • Blockchain • Fintech • Financial Services • Cryptocurrency • NFT • Web3
Design, build, and maintain backend services for fraud and risk detection at scale. Deliver features end-to-end, partner with Data Science/ML, improve reliability and observability, respond to incidents, and build reusable systems to reduce financial loss and protect users.
Top Skills: AWSBitcoinDockerDynamoDBEthereumGCPGeminiGleanGoJavaKafkaKubernetesLibrechatMongoDBPostgresPythonRabbitMQRuby
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