Senior Software Engineer – Full Stack

Build incentive mechanics, referral flows, and personalization that drive member-to-member referral growth Deliver large projects introducing new product capabilities and maintain key code repositories Modernize existing pipelines to scale products with company growth Break down complex problems into manageable tasks and deliver predictably Identify and resolve root causes of production incidents Collaborate on technical roadmaps and execute ambitious technical strategies Mentor junior engineers through code reviews and real-time pairing Integrate AI technologies to automate processes and enhance product features Improve feature maintainability, availability, and performance Contribute to architecture and developer tooling Communicate technical ideas to technical and non-technical partners Document technical solutionsRequirementsBachelor's Degree (or equivalent) in Computer Science, Engineering or related technical field3+ years of non-internship full-time professional software development experienceExperience delivering large software projects or features in a production environmentProficiency in at least one modern programming language, such as Python, Java, or JavaScriptStrong backend API and service ownership, with ability to work confidently in React / React Native frontend surfacesAbility to own projects end-to-end, make sound technical tradeoffs, and execute with minimal directionExperience using AI coding tools such as Claude or Claude Code and agentic AI workflowsPreferred: growth-team, incentives, rewards, social mechanics, personalization, A/B testing, ML model serving, experimentation platforms, ML feature stores, or health/regulatory-data experienceWillingness to work from the San Francisco office three days per week for a full 8-hour business dayLocated in or willing to relocate to the San Francisco Bay AreaLegally authorized to work in the United StatesCore Competencies Demonstrates expertise in software development with a focus on building and maintaining scalable products, integrating AI technologies, and delivering complex projects. Strong ability to mentor junior engineers and communicate effectively with both technical and non-technical stakeholders.Highest-signal resume keywordsSoftware Development ExperienceProficiency in Python, Java, or JavaScriptBackend API and Service OwnershipExperience with AI Coding ToolsProject Management and ExecutionHard SkillsSoftware DevelopmentBackend API DevelopmentFrontend Development with React/React NativeAI IntegrationCode ReviewTechnical DocumentationProblem SolvingProject DeliveryFeature MaintainabilityProduction Incident ResolutionSoft SkillsCollaborationMentoringCommunicationCertifications & QualificationsBachelor's Degree in Computer Science or EngineeringIndustry KeywordsIncentivesReferral FlowsPersonalizationGrowth-TeamA/B TestingSocial MechanicsHealth/Regulatory DataTools & TechnologiesAI Coding ToolsClaudeClaude CodeExperimentation PlatformsML Feature Stores#J-18808-Ljbffr