Staff Software Engineer (Corporate Actions & Security Master)

• We’re searching for passionate individuals eager to contribute to Alpaca’s rapid growth. If you align with our core values—Stay Curious, Have Empathy, and Be Accountable—and are ready to make a significant impact, we encourage you to apply
• Alpaca is looking for a hands-on engineer with deep knowledge of Corporate Actions and Security Master systems
• You understand dividends, reorganizations, splits, mergers, tenders, redemptions, elections, and security lifecycle events
• You know that entitlements are determined by validated announcement terms and the applicable stock record—and that vendor data must be enhanced and cross-verified before it can safely affect customer accounts
• You will help build the systems that manage security reference data, validate Corporate Action announcements, calculate entitlements, process resulting cash and position changes, and reconcile outcomes across a global brokerage platform
• Design systems for Corporate Actions, Security Master, and securities lifecycle processing across U.S. and international markets
• Ingest, normalize, enhance, and cross-verify security and event data from vendors, depositories, custodians, and other authoritative sources
• Build entitlement processing using validated announcement records, stock records, elections, withholding, currencies, and fractional-share rules
• Support dividends, interest, splits, reverse splits, mergers, exchanges, spin-offs, tenders, rights, redemptions, calls, maturities, and elections
• Manage security setup and changes involving symbols, identifiers, listings, exchanges, currencies, and lifecycle status
• Build auditable workflows for validation, approvals, processing, corrections, exceptions, and reconciliation
• Ensure security and event changes propagate accurately across books and records, positions, ledger, trading, margin, tax, and customer-facing systems
• Write and operate production code while partnering closely with Operations, Product, and other engineering teams

Benefits

• New Hire Home-Office Setup: One-time USD $500
• Monthly Stipend: USD $150 per month via a Brex Card
• Work with awesome people, clients and partners from around the world
• Stock Options
• Medical, Dental, Vision
• Supplemental health care
• Health benefits from day 1 (internationally, this includes a stipend value to offset medical costs)

• Hands-on Corporate Actions, Security Master, or securities-processing experience within a broker-dealer, clearing firm, custodian, bank, depository, transfer agent, or financial data vendor
• Experience with financial data ingestion, normalization, versioning, lineage, and cross-source validation
• Experience with relational databases, preferably PostgreSQL, and cloud-native systems such as GCP and Kubernetes
• Strong coding and system-design skills, preferably in Go, with experience building distributed and event-driven services
• Strong understanding of announcement terms, record and effective dates, stock-record eligibility, entitlements, elections, fractions, and reconciliation
• Strong ownership and the ability to translate complex operational and financial-market requirements into reliable, auditable software
• 7+ years of professional software engineering experience building complex production systems
• Experience with DTCC/DTC Corporate Actions processing or international market infrastructure
• Familiarity with ISO 15022, ISO 20022, or SWIFT Corporate Actions messages
• Experience building an entitlement engine, Security Master, symbology platform, stock record, reconciliation system, or brokerage ledger
• Understanding of how Corporate Actions affect trading, margin, tax, securities lending, fractional shares, and customer statements