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Senior Software Engineer - Payments & Treasury

Alpaca

seniorpermanentbackend New York, NY 12 days ago via LinkedIn

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Tags

GoMicroservicesKubernetesGoogle Cloud Platform (GCP)Event-Driven ArchitectureDomain-Driven Design (DDD)Messaging QueuesMessage BrokersClient-Facing APIsSystems at Scale

About the role

Role Overview

Senior Software Engineer to help build and scale Alpaca’s Payments & Treasury platform—modern, global systems and services responsible for money movement and treasury capabilities.

Responsibilities

  • Design and implement solutions to achieve defined goals with significant autonomy
  • Build and maintain a modern global payments and treasury platform using highly scalable, event-driven systems
  • Contribute to defining goals and product/engineering direction for treasury expansion
  • Develop high-quality microservices and client-facing APIs
  • Ensure resilient system integrity, operational scalability, and technical scalability
  • Write clean, well-tested, maintainable code and help debug/anticipate issues

Requirements (Must-Haves)

  • Strong problem-solving skills and proactive mindset
  • Excellent communication and collaboration; comfortable working independently and in a team
  • Preference for simple and elegant solutions
  • At least 3 years of experience working on systems at scale
  • Proven experience building and maintaining microservices
  • Experience with client-facing APIs
  • Strong coding skills, preferably Go
  • Ability to write clean, well tested, maintainable code
  • Experience with Domain-Driven Design (DDD) and Event-Driven Design
  • Containerization and orchestration familiarity, especially Kubernetes
  • Cloud experience, preferably Google Cloud Platform (GCP)
  • Experience with messaging queues / message brokers

Nice-to-Haves

  • Understanding of cloud-based modern architecture, infrastructure, and orchestration practices (noted as an asset)

Location

New York, NY

About Alpaca

Alpaca is a US-headquartered self-clearing broker-dealer and brokerage infrastructure platform for stocks, ETFs, options, crypto, fixed income, and 24/5 trading. It provides institutional-grade, developer-friendly APIs to hundreds of financial institutions across 40 countries, supporting millions of brokerage accounts. The company is backed by major global investors and emphasizes open-source contributions and community building.

Scraped 7/13/2026