Jobs at eBay

Research, prototype, and evaluate algorithms for time-series anomaly detection, forecasting, log and graph analysis on observability data. Architect and implement scalable distributed systems to ingest, process, store, and query petabyte-scale observability streams. Build and operationalize models for root-cause analysis, tracing-based graph analytics, and advanced alerting. Contribute to observability tooling, document designs, and present findings. Partial telecommute within commutable distance.

Lead strategy and execution to grow eBay US Vehicles C2C business by scaling Caramel checkout, designing activation and go-to-market strategies, conducting market research and financial modeling, driving cross-functional programs, creating executive-ready communications, and establishing operational processes and performance cadences to support scalable marketplace growth.

Design and implement machine learning algorithms and scalable data pipelines to improve selling experience and trust. Develop, evaluate, and fine-tune models (LLMs, vision models, CNNs, Transformers), run experiments, build end-to-end ML systems, collaborate with cross-functional teams to productionize solutions, and optimize model runtime and data workflows using Python, PyTorch/TensorFlow, big-data tools, and cloud platforms.

Lead strategy and execution for ad serving, bidding, and budget management systems. Drive AI/ML and generative-model innovation to improve advertiser ROAS, budget utilization, and incremental sales. Partner with commercial, finance, engineering, and legal teams, run experimentation and A/B tests, and represent the product to senior leadership while prioritizing growth and measurable impact.

Develop and fine-tune machine learning models (NLP and multimodal) to improve listing quality and detect mismatches, restricted items, and fraud. Build large-scale data pipelines for ingestion, cleaning, annotation, and feature engineering. Conduct research on anomaly detection, run experiments and A/B tests, evaluate models against business metrics, and collaborate with engineers, product managers, and compliance experts.

Architect and build eBay's global GraphQL Federation platform, designing high-performance federated architectures (Apollo/WunderGraph), scaling gateways and tooling, optimizing queries and caching, enforcing AuthN/AuthZ and rate limiting, and driving observability and developer experience across distributed services.

Design, build, and operate scalable GraphQL gateways and federated schemas. Own production API systems, improve performance, reliability, security, automate operations, and write maintainable Java/Spring Boot services.

Lead product for eBay Live buyer discovery and LIVE commerce: define vision and roadmap for personalization, recommendations, search/browse, and discovery surfaces; run data-driven experiments; set success metrics; and lead cross-functional teams (engineering, design, data science) to launch, measure, and iterate features that drive engagement, conversion, and retention.

Support Payments, Billing, Collections, and Finance production systems by leading incident response, escalation management, troubleshooting, and release support. Design AI-powered monitoring, intelligent triage, and auto-remediation workflows, improve observability and resiliency, maintain runbooks and SOPs, and ensure compliance with month-end close and SOX IT controls.

Lead and grow a cloud networking engineering team that builds and operates large-scale, Kubernetes-based traffic platforms. Drive architecture, reliability, security, automation, AI-assisted operations, observability, and developer self-service while partnering across SRE, security, product, and infrastructure teams.

Lead and scale the UK Seller Events program end-to-end: set strategy, run the events calendar, manage agency partners and vendors, control budgets, innovate event formats, build seller relationships, use data to iterate, and lead a small events team to drive seller engagement, adoption, and marketplace outcomes.

Lead a full-stack engineering team building experimentation and data platform capabilities. Mentor engineers, own deliverables, prioritize a healthy backlog, and collaborate cross-functionally to deliver scalable, reliable distributed systems. Drive performance, reliability, and platform scalability while fostering an inclusive, high-performing team.

Lead eBay UK’s Seller Events, Community & Engagement function to design and execute seller events, build a vibrant seller community, drive participation and loyalty, and deliver measurable business impact. Partner cross-functionally, manage budgets and agencies, scale programmes for diverse seller segments, and lead a high-performing team while influencing senior stakeholders.

Lead and grow cloud infrastructure and platform engineering teams to build and operate eBay's private cloud and multi-cluster Kubernetes platforms. Drive platform strategy, automation, reliability, observability, GitOps practices, and AI-enabled operational improvements while partnering across security, networking, and product teams to ensure scalable, secure, and highly automated infrastructure at scale.

Lead category marketing strategy and execution for assigned categories on a fixed-term contract. Build integrated marketing roadmaps across media, creative, CRM, partnerships and sponsorships, manage agency/partner relationships, provide market/competitive intelligence, report to leadership, remove execution obstacles, and manage a small team.

Lead planning and execution of multiple marketing campaigns and projects, coordinating cross-functional teams, tracking timelines and risks, presenting performance reports, and removing blockers to ensure timely delivery. Maintain project documentation, foster team agility, and drive process improvements across marketing operations.

Design, optimize, and scale PostgreSQL architectures; improve query performance and indexing; build automation and backend tools for provisioning, monitoring, and deployment; enforce database security and disaster recovery; collaborate with product, SRE, and analytics teams; mentor engineers and set schema and tuning guidelines.

Design, build, and operate highly available, scalable backend services powering eBay's global seller experience. Own end-to-end features, improve performance and reliability, lead architecture and system design, collaborate across global teams, and drive solutions supporting millions of sellers and significant revenue.

Lead architecture and technical strategy for eBay's core data platform. Design scalable, secure distributed data systems (streaming and batch), build reusable frameworks, drive migrations, optimize cost and reliability, mentor engineers, and enforce engineering excellence, observability, and compliance.

Design, architect, and build highly scalable, reliable backend web services for eBays global seller experience. Own features end-to-end, improve performance/scalability, lead architecture discussions, and support distributed, fault-tolerant systems used by millions of sellers.