Remote Senior Backend Engineer for AI & MCP Systems

Scale Army Careers; United States; Remote; USD 150,000 - 195,000; Full time

Job summary

Scale Army Careers is seeking a Senior Backend Engineer to design, build, and maintain backend services, AI agent integrations, MCP connectors, and automation infrastructure for a production-backed healthcare platform.

You will develop scalable REST APIs, work with relational and non-relational databases, and implement asynchronous processing using queues like Redis Queue or SQS, with a focus on reliability and scalability.

Qualifications

• 6+ years of professional backend engineering experience in production environments.
• Strong experience designing, building, and maintaining backend services.
• Strong experience with PHP is preferred.
• Experience designing and integrating REST APIs.
• Experience with microservices architectures and distributed systems.
• Experience with relational and non-relational databases.
• Experience with background jobs, queues, and asynchronous processing systems.
• Experience working independently on production-critical systems with minimal oversight.
• Experience in an early-stage startup environment or having founded or co-founded a venture.
• Experience operating effectively in environments with ambiguity, changing priorities, and limited resources.

Responsibilities

• Design, build, and maintain backend systems supporting AI-powered products and workflows.
• Develop integrations and connectors that allow AI agents to interact with internal and external services.
• Build and maintain Model Context Protocol (MCP) tools and integrations.
• Develop scalable REST APIs and backend services supporting automated workflows powered by language models.
• Design reliable integrations between AI models, internal systems, and third-party services.
• Work with relational and non-relational databases to support application and integration requirements.
• Build and maintain asynchronous processing workflows using background jobs and queue systems such as Redis Queue, SQS, or similar technologies.
• Design new backend capabilities rather than focusing solely on maintenance of existing systems.

Skills

Backend engineering

REST APIs

Distributed systems

PHP

AI integration

MCP

Asynchronous processing

Troubleshooting

Documentation

Tools

Redis Queue

SQS

Docker

Kubernetes

Terraform

Pulumi

Job description

Scale Army Careers is seeking a Senior Backend Engineer to design, build, and maintain backend services, AI agent integrations, MCP connectors, and automation infrastructure for a production-backed healthcare platform.

You will develop scalable REST APIs, work with relational and non-relational databases, and implement asynchronous processing using queues like Redis Queue or SQS, with a focus on reliability and scalability.