Jobs at Yahoo

Design, architect, and deliver scalable full-stack enterprise software. Build backend services, APIs, microservices, distributed systems, and modern frontend experiences. Lead technical initiatives, architecture discussions, design documentation, code reviews, testing, CI/CD, and cloud-native development. Collaborate cross-functionally, mentor engineers, evaluate emerging technologies, and improve reliability, observability, performance, security, and employee productivity.

Leads end-to-end development of high-scale Yahoo Mail web features, from architecture and implementation through deployment, monitoring, and maintenance. Uses AI-assisted development tools while validating code for security, performance, accessibility, and correctness. Collaborates with product and UX teams, conducts code reviews, mentors engineers, and improves software lifecycle efficiency through automated workflows.

Own end-to-end technical success for enterprise data partners, from sandbox onboarding through production optimization. Serve as the primary technical contact, maintain API reliability and SLA compliance, monitor integrations, troubleshoot distributed and asynchronous systems, translate partner needs into technical specifications, and collaborate with engineering teams to improve APIs, streaming pipelines, and data contracts. Create documentation, playbooks, architecture diagrams, and escalation processes while communicating effectively with technical and executive stakeholders.

Manage billing within the Order-to-Cash process: produce accurate invoices and credit memos, reconcile third-party ad campaigns, work with Sales and clients on adjustments, support SOX and audit activities, implement process improvements, and onboard new products/systems while partnering with Revenue Accounting and OTC teams.

Manage design, QA, launch, and operational health of transactional messaging across email, push, SMS and other channels. Translate product requirements into executable campaigns, validate payloads and personalization, troubleshoot production issues, run experiments, maintain documentation, and coordinate cross-functional stakeholders to ensure reliable, compliant messaging at scale.

Lead design and delivery of AI-enabled, cloud-native enterprise software. Architect RAG/LLM workflows, integrate generative AI, mentor engineers, collaborate cross-functionally, and drive adoption of scalable, secure solutions on AWS/GCP.

Own strategy and execution of paid search campaigns across platforms. Manage keyword strategy, bidding, ad creative, landing page testing, audience layering, budget pacing, and performance analysis. Run A/B experiments, collaborate with Data Science on bidding and attribution models, adopt AI-driven features, and maintain platform relationships to drive efficient customer acquisition and growth.

Lead ASO strategy and execution for Yahoo's flagship apps across Apple App Store and Google Play. Build keyword intelligence, run metadata and creative A/B tests, leverage third-party ASO and analytics tools, influence product quality signals with Product and Engineering, hire and lead an ASO team, and prepare for emerging AI-driven app discovery surfaces to drive sustainable organic growth.

Lead research and development of generative AI and NLP models for large-scale email data. Innovate on fine-tuning (LoRA/adapters), quantization-aware training, and knowledge distillation to meet strict latency budgets. Build scalable training/evaluation pipelines, establish robust evaluation frameworks (LLM-as-a-judge, synthetic and human-in-loop), integrate AI-augmented developer tools, and set long-term technical direction while mentoring researchers and driving production-ready model deployments.

Design, build, and maintain scalable security platform features and microservices using Java, Go, and Node. Use AI-assisted tools to accelerate development, triage vulnerabilities, and automate workflows. Troubleshoot distributed Linux and cloud (AWS/GCP) systems, participate in code reviews, and collaborate with cross-functional teams to deliver secure, production-ready platform services.

Own Yahoo Taiwan’s ad monetization strategy and roadmap, driving sustainable revenue growth across web and app properties. Optimize yield, pricing, demand diversification, inventory allocation, and experimentation while balancing user experience. Lead programmatic advertising initiatives involving GAM, SSP/DSP integrations, header bidding, open bidding, and RTB. Partner with engineering, data, sales, marketing, and ad tech stakeholders to launch products, measure impact, and adapt to privacy, identity, first-party data, and AI trends.

Lead the evolution of Corporate Applications within Finance Systems, focusing on Oracle Financials, to enhance efficiency and automation using AI tools. Collaborate with stakeholders to interpret business requirements, support core finance platforms, and ensure compliance. Manage projects, conduct testing, and facilitate user acceptance.

Lead design of top-of-funnel discovery and acquisition surfaces for Yahoo Games across desktop and mobile web. Create delightful, data-driven entry points that move users from awareness to play, prototyping in Figma and AI-assisted tools, partnering with product, engineering, marketing, and analytics, and evolving design systems to scale experiences.

Design social and editorial content for Instagram, TikTok and emerging platforms; create carousels, explainers, motion graphics, interactive experiences and map-based storytelling using tools like Ceros and Mapbox; develop visual identity, scalable templates, AI-assisted workflows, and collaborate with social and editorial teams to prototype and optimize audience engagement.

Own end-to-end CRM lifecycle strategy (acquisition, activation, retention, re-engagement) for Yahoo's product portfolio. Design journeys, triggers, and messaging cadences across email and push; define requirements and success metrics; partner with Product Marketing, CRM Ops, and Analytics; lead experimentation, A/B testing, performance analysis, and AI-driven automation to optimize lifecycle KPIs.

Lead paid search strategy and execution across Google and Microsoft Ads, scale profitable acquisition, run campaign optimization and testing, integrate generative AI (Claude) for copy and reporting, improve attribution and measurement, partner with analytics/engineering/creative teams, mentor team and manage agency relationships.

As a Principal Product Engineer, you'll design and implement AI-driven frontend solutions, tackle engineering challenges, and lead technical guidance in a collaborative environment.

Lead strategy and execution for Yahoo Mail client platforms and shared services across web, iOS, Android and emerging surfaces. Own platform vision, roadmaps, and cross-team initiatives for authentication, identity, privacy, security, and client frameworks. Drive platform transitions, stakeholder alignment, and metrics for performance, reliability, cost, and developer productivity.

Build AI-native, employee-facing security products (agents, skills, plugins), own AI tooling infrastructure, advocate for developer experience, integrate APIs/MCPs, validate AI outputs, and produce clear documentation and lightweight UIs for broad internal audiences.

The Senior Software Engineer will architect and optimize AI-powered developer tools, enhance the SDLC, collaborate across teams, and mentor peers to improve engineering productivity.