Top Tech Jobs & Startup Jobs in Washington DC,

The Principal Engineer will lead AI-driven productivity initiatives, develop a strategy for integrating AI in engineering workflows, and improve collaboration across teams. Responsibilities include executing projects, ensuring code quality, and setting success metrics.

The Client Success Manager will manage client campaigns, optimize performance, analyze data, build relationships, and drive retention for long-term growth.

Own and grow a portfolio of global enterprise accounts post-sale, driving net revenue retention and expansion. Build executive relationships, develop account plans, lead renewals/upsells, drive platform adoption, surface product feedback, manage risk and forecasting, and represent the company at reviews and events while coordinating cross-functional teams.

Lead Antenna's content strategy and execution across social, newsletter, blog, and editorial calendar. Manage paid and organic social campaigns, produce monthly newsletter, coordinate cross-functional stakeholders, supervise freelancers/agencies, and optimize content distribution and performance to grow brand awareness in the media and streaming sector.

Lead design and vendor strategy for Flex's payments infrastructure: architect multi-provider stacks across acquiring, international rails and partner banks; own Tier 1 bank implementations; drive vendor selection; lead transition to direct money transmitter licensing; represent Flex in technical and commercial negotiations; and partner with engineering to implement and scale the payments team.

Lead and develop an account management team serving enterprise clients, drive retention, expansion, and adoption of Pacvue products. Deliver strategic consultation, data-driven recommendations, executive presentations, revenue forecasting, and cross-functional advocacy to meet multi-year revenue targets and optimize client outcomes.

Perform manual and automated testing across web, mobile, APIs, backend services, and blockchain integrations. Build and maintain Python-based test frameworks, investigate issues across distributed systems, analyze logs/metrics/network traffic, contribute to release validation and automation, and collaborate with product, engineering, and DevOps. Use AI tools to accelerate testing, support incident analysis, and proactively improve testing coverage and product reliability.

Develop and implement features by building backend APIs and frontend code, lead projects, and collaborate with teams to solve user problems.

Lead accounting operations to ensure GAAP-compliant, audit-ready financials. Support month-end close, revenue reporting, reconciliations, payroll accounting, intercompany JEs, and AP process development. Improve controls, automate workflows, and partner cross-functionally to scale finance operations for a growing healthcare-focused startup.

Provide advanced, customer-facing technical support for Cynet's security platform: troubleshoot escalated issues, deploy and optimize solutions, analyze logs, collaborate with R&D/product teams, mentor Tier 1 engineers, maintain documentation, and influence product improvements.