Senior Backend Architect – Autonomous Agent Trading

Alpaca; Greater London; Remote; GBP 110,000 - 180,000; Full time

Benefits offered by this job

Stock options

Health benefits

One-time home-office setup: USD 500

Monthly stipend: USD 150 via Brex Card

Job summary

Alpaca is seeking a Senior Software Engineer to design and ship autonomous execution for agents operating on Alpaca accounts. You will shape account-level policy, work with MCP servers, authentication, and risk teams, and drive the control model.

You will collaborate with Product, Compliance, and Risk to define guardrails, implement solutions, and ensure reliability. This is a hands-on, architecture-led role with mentorship and leadership through code and reviews.

Qualifications

• 5+ years of software engineering experience with production backend systems.
• Shipped autonomous execution that acts under policy without per-action approvals.
• Designed and implemented account-level policy with durable rules and audit trails.
• Experience with MCP architecture, stateless/stateful behavior, and MCP-related changes in production.
• Proficiency in Python or TypeScript; willingness to work primarily in Go.
• Ability to define account rules with Product, Compliance, and Risk partners.

Responsibilities

• Lead the application architecture for safe agent execution from tool call to trading systems.
• Design and build account-level policy and guardrails for external agent actions.
• Own services that evaluate rules on the path into trading systems.
• Define agent-initiated trading actions with tooling teams and risk partners.
• Maintain alignment with MCP protocol, connectors, plugins, and skill standards.
• Mentor engineers and drive high-quality design and implementation in this area.

Skills

Software engineering

Autonomous execution

Account-level policy

MCP architecture

Python

Go

Tools

MCP servers

Connector

Plugin framework

LangChain

Job description

Alpaca is seeking a Senior Software Engineer to design and ship autonomous execution for agents operating on Alpaca accounts. You will shape account-level policy, work with MCP servers, authentication, and risk teams, and drive the control model.

You will collaborate with Product, Compliance, and Risk to define guardrails, implement solutions, and ensure reliability. This is a hands-on, architecture-led role with mentorship and leadership through code and reviews.