Top Tech Jobs & Startup Jobs

Contract Hiring Partner to manage full lifecycle recruiting across technical and nontechnical functions. Source active and passive candidates, build talent pipelines, maintain recruiting operations and data, support onboarding, and partner with hiring managers to improve processes and candidate experience over a six-month remote engagement.

Lead and grow a Core UI team owning the design system, shared component libraries, frontend architecture, and engineering-UX partnership. Drive standards for accessibility, performance, testing, and documentation; set roadmap and delivery priorities; mentor engineers; and collaborate with product, design, and other engineering teams to improve UI consistency and velocity.

As a Senior Sales Executive (Federal) at SimSpace, you will drive new business development across U.S. Federal agencies, focusing on cybersecurity and AI technologies, building pipeline, and closing complex sales deals.

Own revenue accounting and accounts receivable for a fast-growing SaaS company: maintain ASC 606 revenue schedules, record journal entries, manage billing and collections, reconcile balances, support month-/year-end close, assist treasury and audits, and improve billing and accounting processes.

Lead and mentor threat hunting and blue team activities across enterprise clients; design and run cyber range exercises and CTFs; build detection rules, dashboards, and toolsets; analyze large telemetry datasets; integrate and test AI/agentic capabilities; advise on security stack setup and incident response; travel to customer sites (up to ~20%).

Manage technical delivery of cyber range engagements: coordinate environments, lead exercise planning and execution, support AI agent training/validation, liaise between customers and Professional Services, document outcomes, and maintain customer relationships. Travel up to 25%.

Perform manual and exploratory testing across web apps, APIs, backend services, and end-to-end workflows. Create test plans and cases, execute regression testing, write reproducible bug reports, investigate customer issues, and collaborate with engineering and product teams to improve testability and release quality.

Lead quality strategy and test automation for distributed systems. Design and maintain automated tests for APIs, backend services, and end-to-end workflows. Improve CI/CD reliability, reduce flakiness, apply AI-assisted testing techniques, and mentor teams to enhance observability, testability, and release confidence.

Design and implement core backend platform services in Kotlin for cyber range lifecycle, virtualization integration, asset/version management, and control-plane coordination. Own features end-to-end, ensure API quality and stability, build reliable integrations with diverse infrastructure, write production-quality tests and instrumentation, support consuming teams, and resolve performance and reliability issues.

Lead design, development, and operation of containerized microservices for offensive cybersecurity and user emulation. Drive architecture, mentor engineers, own end-to-end projects, define best practices, ensure reliability and security, collaborate cross-functionally, and implement monitoring, testing, and deployment pipelines for high-fidelity cyber range services.