Staff Embedded Client Platform Engineer

Own and evolve AlphaSense’s embedded client platform, starting with Excel, to bring AI-powered market intelligence directly into the daily workflows of financial professionals. This role is responsible for building mission-critical integrations inside constrained host environments where performance, correctness, and user trust are non-negotiable.

Responsibilities

Own the architecture and reliability of AlphaSense's Excel integrations (Office Add-ins, JS/TS, legacy components); Define clear boundaries between workbook state, plugin state, and cloud state; Ensure zero data corruption and strict Excel file integrity guarantees; Make complex operations feel instantaneous; Design for offline, slow networks, and enterprise restrictions (proxy, SSO, locked-down IT); Establish testing, observability, and deployment best practices for desktop/embedded environments; Unify fragmented Excel tools into a single, coherent client architecture; Create reusable abstractions for embedded client development; Define patterns that reduce Excel-specific fragility over time; Mentor other engineers working in constrained client environments

Requirements

7+ years building and operating production user-facing software; Proven experience embedding software into a non-owned host environment; Strong JavaScript/TypeScript skills and event-driven programming experience; Track record of performance profiling and optimization in constrained runtimes; Zero-tolerance mindset for data corruption and reliability issues; Experience with enterprise deployment, updates, version skew, and rollback; Strong testing and observability instincts for client-side systems; Ability to mentor engineers and set technical standards

Nice to have

Built systems where; Experience debugging non-deterministic, stateful, event-driven systems; Background in financial systems, trading tools, or analyst workflows; Experience with offline-first architectures and sync; History of working effectively with enterprise IT and security teams

Benefits

equity; generous benefits program