Senior Software Engineer (Backend)

Job Description

Job Description

About Amigo

Amigo builds trust and safety infrastructure for AI in mission-critical environments.

We partner with organizations in healthcare and other regulated sectors to deploy AI systems that operate reliably when the stakes are highest. Our infrastructure enables verification, monitoring, and real-time oversight—ensuring AI serves people safely at scale.

We've raised $6.5M from General Catalyst and GSV Ventures. Our team combines expertise in distributed systems, quantitative research, clinical operations, and regulatory environments to build AI that organizations can trust.

About this role

As a Senior Software Engineer (Backend) at Amigo, you'll build the core backend infrastructure that powers our agent platform at scale. You'll develop high-performance services that handle millions of conversations per month, focusing on concurrency, reliability, and clean system design. This role requires strong concurrency programming skills and curiosity for finding good solutions to complex technical challenges.

What you'll do

Design and implement high-performance backend services handling concurrent requests at scale

Build robust APIs and service-oriented architectures that power our agent platform

Develop systems with concurrency patterns to maximize throughput and reliability

Implement secure data handling for sensitive healthcare information with proper access controls

Work with distributed systems concepts like consensus, replication, and fault tolerance

Build resilient services that gracefully handle failures and maintain high availability

Optimize system performance through careful concurrency design and resource management

Solve complex backend challenges with simple, maintainable solutions

Implement monitoring, logging, and observability for backend services

Collaborate with platform teams to ensure integration across services

Design systems that scale horizontally while maintaining data consistency

Contribute to architectural decisions that shape our backend infrastructure

What we're looking for

4+ years of production-level experience with backend development languages

Strong experience with concurrency programming, including threads, async operations, and parallelism

Experience developing large-scale distributed systems or working with distributed architectures

Background working on SaaS platforms or with Service-Oriented Architectures

Experience with cloud platforms and container orchestration technologies

Strong understanding of security best practices and experience with systems handling sensitive data

Understanding of distributed systems concepts (consensus, replication, partitioning) without necessarily having built foundational frameworks

Experience with message queuing systems, event streaming, and async communication patterns

Knowledge of database systems, both SQL and NoSQL, and their scaling characteristics

Curiosity for elegant solutions and clean, maintainable code

Strong debugging skills for concurrent and distributed systems

Strong problem-solving abilities with focus on system reliability and performance

Nice to have

Experience in healthcare, finance, or other regulated industries

Understanding of observability and monitoring in distributed environments

Experience with high-throughput, low-latency system design

Background with complex data processing systems

Benefits

Health & Wellness

Comprehensive health, dental, and vision insurance

Mental health support and wellness coaching

Flexible wellness stipend for fitness, therapy, or personal growth

Daily catered lunch and dinner

Growth & Development

Annual learning budget for courses, books, or conferences

Conference attendance budget for professional development

Development setup of your choice

Academic collaboration opportunities

Compensation Range : $180K - $220K