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Top Senior Level Software Engineer Jobs in Los Angeles, CA
Artificial Intelligence • Healthtech • Information Technology • Logistics
Design and develop backend systems, optimize performance, manage APIs, and lead integration efforts in healthcare software.
Top Skills:
AWSDatadogDjangoGitGitGraphiteGraphQLNode.jsPostgresPythonTypescript
AdTech • Cloud • Digital Media • Information Technology • News + Entertainment • App development
The Product Integration Lead will manage ad integrations for NBCUniversal's streaming applications, collaborating with engineering and product teams to optimize ad technology and troubleshoot issues. This role demands expert knowledge of ad serving systems and requires leadership in the integration processes across various platforms.
Top Skills:
Ad Serving SystemsContent Delivery NetworksFreewheelOrtbRestful ApisStreaming MediaVastVmap
Aerospace • Artificial Intelligence • Hardware • Machine Learning • Software • Defense • Manufacturing
As a Software Integration Engineer, you'll develop and integrate complex software systems for space operations, drive technical excellence, and mentor engineers.
Top Skills:
C++ElixirGrpcLinuxRestfulTypescriptWebsockets
eCommerce • Mobile • Retail
As a Video Engineer at Whatnot, you'll enhance the platform's video services, develop seller tools, and implement innovative video strategies to improve user engagement and experience.
Top Skills:
AWSDevOpsWebrtc
Blockchain • Fintech • Payments • Financial Services • Cryptocurrency • Web3
Design, build, and maintain blockchain and payments infrastructure; develop scalable microservices and secure RESTful APIs to transfer value across blockchain and banking protocols; integrate with banks and fintech; own system design, testing, deployment, and troubleshooting; ensure reliability, code quality, and strong test coverage while collaborating with product and engineering teams.
Top Skills:
AWSBlockchain ProtocolsGoGCPJavaMessaging SystemsMicroservicesAzureNoSQLRestful ApisSQL
Cannabis • eCommerce • Enterprise Web • Logistics • Payments • Software • Database
Build and own complex frontend features using Vue 3 and TypeScript while developing the Python services and APIs that power them. Improve performance, accessibility, testing, CI/CD, and observability; collaborate with product and design; mentor engineers and apply AI-assisted development tools responsibly to accelerate productivity and maintain quality and security.
Top Skills:
ClaudeCopilotCSSCursorDockerEvent-Driven ApisGraphQLHTMLJavaScriptKubernetesPiniaPlaywrightPytestPythonRelational DatabasesRestTypescriptVitestVue 3Vue Composition ApiVue Test UtilsVuex
Cannabis • eCommerce • Enterprise Web • Logistics • Payments • Software • Database
Design and implement scalable backend services for payment and transaction workflows using Java. Own end-to-end features from data model and APIs to Angular frontends, improve reliability and performance, refactor legacy systems, troubleshoot production issues, and collaborate with product and design. Leverage AI-assisted development tools responsibly and share best practices across the team.
Top Skills:
AngularAPIsClaudeCursorDockerGithub CopilotJavaJvm FrameworksKubernetesReactRelational DatabasesTypescriptVue
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Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Lead design and implementation of Neighborhoods mobile experiences across Cash App and Square. Shape cross-team architecture, stay hands-on with iOS development (SwiftUI, Workflow), drive integrations for discovery, ordering, loyalty, and fulfillment, mentor engineers, and apply AI-assisted workflows to accelerate development and quality.
Top Skills:
BazelClaude CodeCombineCursorGooseObjective-CProtocol BuffersSwiftSwift ConcurrencySwiftuiUikitWorkflow
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
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.
Top Skills:
AuroraAWSBuildkiteDatadogDynamoDBGradleGrpcGuiceHibernateHTTPJavaJettyJSONJunitKafkaKotlinMySQLOkhttpProtocol BuffersRedis
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
Artificial Intelligence • Machine Learning • Software • Defense
Design and build agent-powered mission consoles, collaborate with stakeholders to improve user workflows, and maintain agentic workflows for mission outcomes.
Top Skills:
AWSNode.jsPostgresPythonReactTailwindTypescript
Artificial Intelligence • Machine Learning • Software • Defense
As a Senior Software Engineer, you will design and build a cutting-edge identity search platform and implement AI systems for defense applications, working closely with cross-functional teams to enhance user workflows and support national security.
Top Skills:
AWSElasticsearchNode.jsOpensearchPostgresReactTailwindTypescript
Artificial Intelligence • Cloud • Consumer Web • Productivity • Software • App development • Data Privacy
The role involves leading application performance improvements across multiple platforms, focusing on measurable metrics and driving engineering standards and workflow optimization, using both hands-on coding and strategic influence.
Top Skills:
Ai ToolingGoJavaScriptLlmsPythonReactRum Telemetry
Artificial Intelligence • Consumer Web • Digital Media • Fintech • Marketing Tech • Software • Financial Services
Architect and deliver scalable, secure systems across teams; solve complex cross-team problems; lead large technical initiatives; evaluate emerging technologies; mentor engineers; align technical direction with product and business outcomes while balancing performance, maintainability, and cost.
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