Top Tech Jobs & Startup Jobs in NYC, NY

Build and scale a global payments and treasury platform: design and implement resilient, event-driven microservices, client-facing APIs, and distributed systems; work with cloud infrastructure, container orchestration, message brokers, and relational databases to support high-volume money movement and financial ledgers.

Embed with brokerage operations to observe and replace manual workflows with auditable automations and UIs. Design, build, deploy, monitor, and run production systems; instrument outcome metrics; collaborate with compliance, security, and domain experts; own full lifecycle including CI/CD, on-call, and incident response.

Operate and improve brokerage platform reliability: on-call incident response, define SLIs/SLOs, enhance observability, deploy infrastructure via GitOps, and own PostgreSQL performance, migrations, HA/DR, and mentoring.

Design, implement, and maintain scalable brokerage systems and middle/back-office services (gRPC microservices, React admin UI). Lead regional recruitment and reliability, mentor engineers, act as incident commander, collaborate with global teams, troubleshoot issues, and build solutions supporting multi-language/currency markets and regulatory requirements.

Provide high-quality trading support to enterprise clients: troubleshoot order entry, FIX sessions, execution and OMS issues; monitor trading activity and corporate actions; collaborate with trading desks, IT, and compliance; ensure regulatory compliance and risk mitigation; collect client feedback to improve services.

Manage the full sales cycle for Alpaca's Broker API across US fintechs, broker-dealers, RIAs, and banks. Prospect, qualify, demo, propose, negotiate, and close deals while collaborating with Solutions Engineering, Product, Integrations, and Legal. Maintain pipeline and forecasts in CRM and represent Alpaca at industry events.

As a Senior SDET, you will enhance testing practices, improve CI pipelines, mentor engineers, and ensure platform reliability through comprehensive testing strategies.