Top Tech Jobs & Startup Jobs in Washington DC,

Own and optimize the commercial renewal process to maximize retention and expansion. Develop renewal strategies, forecast renewals, coordinate cross-functional stakeholders, remediate at-risk accounts, and ensure consistent best-practice execution. Drive communication between Sales, Customer Success, Sales Ops, and Finance to meet revenue retention goals.

Provide strategic communications, social marketing, and outreach support for Army DPRR. Develop and manage bi-monthly newsletter, coordinate designers/editors, write content, track deadlines, and serve as communications subject-matter expert. Support deliverables including briefings, reports, findings, and recommendations to increase resilience and readiness.

Manually test Shopify eCommerce stores for design, functionality, and responsive behavior. Verify pages against Figma and project requirements, use DevTools to inspect and debug, document and report bugs, collaborate with developers/PMs/designers, and suggest fixes for recurring issues to ensure flawless launches.

Lead development of the application and cognitive layer for humanoid robots: implement behavior trees and intent-to-action orchestration, build voice applications and multi-modal fusion, integrate robotics capabilities and edge/cloud AI services, and ensure production readiness with CI/CD, telemetry, and monitoring.

Build scalable backend services and data pipelines to process large healthcare datasets, integrate and optimize LLM-driven features, implement observability and best practices, collaborate across frontend, data, and AI teams, and own end-to-end feature delivery for production systems.

Lead accounting for Canada and LATAM operations and key B2C marketplaces. Manage month-end close, balance sheet reconciliations, accruals, journal entries, bank reconciliations, SOX compliance, and audit support. Participate in ERP and inventory system enhancements, prepare financial analyses, and drive reporting automation and process improvements.

Lead and build Ostium's accounting function: own monthly/quarterly consolidated close, reconcile onchain activity to US GAAP financials, value NAV and positions, manage crypto treasury and wallets, build reconciliation and control infrastructure, drive audit readiness and tax coordination, and run corporate accounting (AP, payroll, equity/token accounting).

Lead content strategy and execution across long-form research, newsletter, podcast, and social for compliance leaders. Build and grow content programs, repurpose ideas across channels, work with founders and experts, host/produce podcast, and measure performance to optimize results.

Develop and maintain spacecraft flight software across the full lifecycle: requirements, design, implementation, testing, integration with HIL and flight hardware. Build tools and simulations, perform subsystem and platform-level tests, support anomaly resolution, systems modeling, and proposal efforts while collaborating with manufacturing and customers.

Create and publish hands-on DevOps and platform engineering use cases: build working demos (pipelines, integrations, configs), write clear tutorials and documentation, and distribute content to drive organic traffic and signups. Collaborate with product, maintain a steady publishing cadence, and produce runnable examples that reduce support load.