Top Tech Jobs & Startup Jobs in Washington DC,

Investigate card, ACH, and mobile deposit disputes per Reg E, Mastercard and NACHA rules; manage chargeback lifecycle; detect and mitigate fraud through transaction analysis; document audit-ready investigative summaries; and work with AI and other technologies to improve processes within a collaborative operations team.

Manage end-to-end HR operations including onboarding/offboarding, HRIS maintenance and reporting, performance and career development, benefits administration, employee engagement, talent acquisition support, and organizational development initiatives to improve retention and performance.

Support the Regional Controller by preparing, reviewing, and distributing hotel financial statements; reconcile balance sheets; manage audits; produce cash forecasts and tax filings; review AP/payroll and bank/credit card activity; lead process improvements across accounting systems and assist with property transitions.

Provide Tier 1 People Operations support across the employee lifecycle, administering onboarding/preboarding, benefits, leaves, compensation, HRIS transactions, and helpdesk case management. Maintain HR data and documentation, support self-service adoption, Talent Acquisition Operations, and employee engagement. Identify process improvements and cross-train across People Operations and Total Rewards areas.

Join customer conversations to design and prototype technical AI solutions, evaluate architecture and integrations, build/debug production implementations, and own end-to-end technical problems to scale platform patterns across customers and internal teams.

Lead integrated marketing and communications for the FedEx Institute of Technology: develop campaigns, manage web and social content, produce multimedia and executive materials, support leadership communications, coordinate event marketing, and use analytics to improve outreach and engagement across research and commercialization initiatives.

Own end-to-end delivery of Submarine on-premise data caching implementations: scope, plans, infrastructure setup, testing, go-live and post-implementation reviews. Act as primary client contact, manage expectations, coordinate cross-functional teams (Solutions Engineering, Development, Managed Services), track project metrics, and contribute to implementation methodology and governance.

Lead US revenue growth by developing and executing sales strategy, building agency and advertiser relationships, managing full sales cycle across CTV, video, mobile and performance channels, and collaborating with product and operations for campaign delivery and client satisfaction.

Own end-to-end UI/UX for Headstarter's consumer and B2B products, create user flows, wireframes, high-fidelity designs and a cohesive design system, collaborate with founders and engineers, iterate on feedback and data to drive product and hiring outcomes.

Help clients select and book cruise vacations, cabins, transportation, excursions, and onboard experiences. Provide documentation and itineraries, assist with changes and upgrades, stay current on promotions/destinations, and deliver excellent customer service while supporting sales and booking processes.