Principal Software Engineer

Recru; United States; On-site; USD 180,000 - 260,000; Full time

Job summary

Recru is seeking a Principal Software Engineer with 10+ years of software engineering experience and at least 1 year of hands-on AI engineering to lead technical direction across enterprise applications.

You will design scalable solutions using Java, Spring Boot, React and cloud technologies, modernize legacy systems to microservices, and build AI-enabled capabilities with LLMs, RAG, AI agents, and Azure OpenAI.

Qualifications

• 10+ years of software engineering experience.
• 1+ year of hands-on AI engineering experience.
• Expert-level Java and Spring Boot.
• Experience with Azure OpenAI, OpenAI APIs, AWS Bedrock, or similar AI platforms.

Responsibilities

• Lead architecture and technical strategy for enterprise applications.
• Design and develop scalable solutions using Java, Spring Boot, React, and cloud technologies.
• Drive modernization of legacy applications to microservices and event-driven architectures.
• Design and implement AI-powered solutions including RAG, AI agents, and LLM integrations.
• Champion engineering best practices across CI/CD, testing, security, and observability.
• Mentor engineers and influence technical direction across teams.

Skills

Java

Spring Boot

React

Cloud platforms

AI engineering

Tools

Azure OpenAI

OpenAI APIs

AWS Bedrock

Job description

Seeking a Principal Software Engineer with 10+ years of software engineering experience and at least 1 year of hands-on AI engineering experience. This individual will provide technical leadership, drive architecture decisions, modernize enterprise applications, and build AI-enabled solutions leveraging technologies such as LLMs, RAG, AI agents, and Azure OpenAI.

Key Responsibilities

• Lead architecture and technical strategy for enterprise applications.
• Design and develop scalable solutions using Java, Spring Boot, React, and cloud technologies.
• Drive modernization of legacy applications to microservices and event-driven architectures.
• Design and implement AI-powered solutions including RAG, AI agents, and LLM integrations.
• Champion engineering best practices across CI/CD, testing, security, and observability.
• Mentor engineers and influence technical direction across teams.

Required Qualifications

• 10+ years of software engineering experience
• 1+ year of AI engineering experience building or integrating AI-enabled applications
• Expert-level Java and Spring Boot experience
• Experience with Azure OpenAI, OpenAI APIs, AWS Bedrock, or similar AI platforms
• Strong understanding of LLMs, RAG, vector databases, AI agents, and prompt engineering
• Azure or AWS cloud experience
• Microservices and event-driven architecture experience
• CI/CD pipeline and DevOps experience
• Proven architecture ownership and technical leadership

Preferred Qualifications

• MCP, agent frameworks, or multi-agent systems
• Graph databases and semantic search
• Terraform or Infrastructure as Code
• OpenTelemetry and observability platforms