Principal Full-Stack Engineer (GenAI & Cloud Platforms) | Four Ways Consulting | Richardson, Texas, USA

Four Ways Consulting; Richardson (TX); Hybrid; USD 165,000 - 248,000; Full time

Job summary

Four Ways Consulting seeks a Principal Full-Stack Engineer to lead design and development of cloud-native, GenAI-powered enterprise applications in Richardson, TX. You will drive architecture decisions, build scalable backend services in Java/Python, and create responsive front-ends with ReactJS within a hybrid/onsite environment.

The role requires 10+ years of experience, Deep expertise in AWS/Azure, and hands-on work with LLMs, RAG, embeddings, and vector databases.

Qualifications

• 10+ years of professional software engineering experience.
• Strong expertise in Java 17+ application development.
• Advanced Python programming experience.
• Strong front-end development experience using ReactJS.

Responsibilities

• Lead the architecture, design, and development of enterprise-scale full-stack applications.
• Develop high-performance backend services using Java 17+ and microservices architectures.
• Design and implement responsive front-end applications using ReactJS and modern JavaScript frameworks.
• Build and maintain scalable APIs, business services, and distributed systems.
• Architect cloud-native solutions on AWS and Microsoft Azure.
• Integrate Generative AI capabilities into enterprise applications using LLMs and foundation models.
• Design and implement Retrieval-Augmented Generation (RAG) architectures and knowledge retrieval systems.
• Develop AI-powered applications utilizing embeddings, vector databases, and Agentic AI workflows.
• Optimize application performance, scalability, security, and reliability.
• Collaborate with cross-functional teams to define technical roadmaps and engineering standards.
• Mentor engineering teams and contribute to technical leadership initiatives.
• Drive software development best practices, code quality, and DevOps excellence.

Skills

Java 17+

Python

ReactJS

Node.js

Microservices

AWS/Azure

SQL/NoSQL

API design

LLMs/GenAI

RAG architectures

Embeddings/VectorDB

Team leadership

Cloud architecture

Tools

Docker

Kubernetes

Terraform

VectorDBs

Job description

Principal Full-Stack Engineer (GenAI & Cloud Platforms) | Four Ways Consulting | Richardson, Texas, USA

Recruiting Company

Four Ways Consulting

Job Location

Richardson, Texas, USA (Hybrid/Onsite)

Job Type

Contract

Application Method

• Location: Richardson, Texas
• Hybrid/Onsite Work Model
• Contract Opportunity
• Face-to-Face Interview Required
• Non-Local Candidates Accepted with 100% Relocation Commitment
• Senior-Level Role Requiring 10+ Years of Experience

Position Summary

Four Ways Consulting is seeking a Principal Full-Stack Engineer to lead the design and development of next-generation enterprise applications powered by cloud-native technologies and Generative AI. This role combines deep full-stack engineering expertise with advanced AI capabilities, offering the opportunity to architect scalable platforms that leverage Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and Agentic AI solutions.

Detailed Job Description

As a Principal Full-Stack Engineer, you will serve as a senior technical leader responsible for building highly scalable enterprise applications across modern cloud environments. You will work across the entire technology stack, designing backend microservices, developing modern front-end experiences, and integrating advanced AI capabilities into production systems. The role requires expertise in Java, Python, ReactJS, cloud-native architectures, and modern software engineering practices. You will collaborate with architects, product leaders, AI specialists, and engineering teams to deliver innovative solutions that leverage LLMs, embeddings, RAG frameworks, and autonomous AI agents. This is an excellent opportunity for a seasoned engineer looking to shape enterprise-scale applications at the intersection of software engineering and artificial intelligence.

Key Responsibilities

• Lead the architecture, design, and development of enterprise-scale full-stack applications
• Develop high-performance backend services using Java 17+, Python, and microservices architectures
• Design and implement responsive front-end applications using ReactJS and modern JavaScript frameworks
• Build and maintain scalable APIs, business services, and distributed systems
• Architect cloud-native solutions on Amazon Web Services (AWS) and Microsoft Azure
• Integrate Generative AI capabilities into enterprise applications using LLMs and foundation models
• Design and implement Retrieval-Augmented Generation (RAG) architectures and knowledge retrieval systems
• Develop AI-powered applications utilizing embeddings, vector databases, and Agentic AI workflows
• Optimize application performance, scalability, security, and reliability
• Collaborate with cross-functional teams to define technical roadmaps and engineering standards
• Mentor engineering teams and contribute to technical leadership initiatives
• Drive software development best practices, code quality, and DevOps excellence

Required Qualifications & Skills

• 10+ years of professional software engineering experience
• Strong expertise in Java 17+ application development
• Advanced Python programming experience
• Strong front-end development experience using ReactJS
• Experience developing applications with Node.js
• Expertise in designing and implementing microservices architectures
• Hands-on experience with AWS and/or Microsoft Azure cloud platforms
• Strong knowledge of SQL and NoSQL database technologies
• Experience developing and deploying enterprise-scale distributed systems
• Strong understanding of API design, integration patterns, and system architecture
• Hands-on experience with Generative AI technologies and enterprise AI applications
• Experience working with Large Language Models (LLMs)
• Strong understanding of Retrieval-Augmented Generation (RAG) architectures
• Experience with embeddings, vector search, and AI-powered retrieval systems
• Knowledge of Agentic AI frameworks and autonomous workflow orchestration
• Excellent analytical, problem-solving, and leadership skills

Nice-to-Have Skills

• Experience with Palantir Foundry platform
• Knowledge of LangChain, LlamaIndex, AutoGen, CrewAI, or similar AI orchestration frameworks
• Experience with Kubernetes, Docker, and container orchestration technologies
• Familiarity with MLOps and AI model lifecycle management
• Experience with vector databases such as Pinecone, Weaviate, Chroma, or Milvus
• Exposure to data engineering and advanced analytics platforms

Recruitment Pro Tip

For Principal-level engineering positions, showcase projects where you led architecture decisions, scaled enterprise platforms, and successfully implemented production-grade AI solutions. Highlight measurable outcomes such as performance improvements, cloud modernization achievements, cost reductions, platform scalability gains, or successful deployment of GenAI, RAG, and Agentic AI solutions that delivered tangible business value.