Java Backend Engineer - GenAI & AI-Powered Microservices

Voto Consulting LLC

Phoenix (AZ)

On-site

USD 120,000 - 180,000

Full time

13 hours ago
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Job summary

Voto Consulting LLC in Phoenix, AZ seeks an experienced Java Developer with AI/GenAI expertise to design, develop, and integrate scalable enterprise applications with modern AI capabilities. The ideal candidate has hands-on Java/Spring Boot experience and practical knowledge of Generative AI, LLMs, APIs, and AI-powered application development for on-site work five days a week.

Responsibilities include building microservices, integrating cloud platforms, implementing RAG with vector databases,

Qualifications

  • Strong proficiency in Java 8/11/17+.
  • Experience with Spring Boot, Spring Framework, REST APIs, and Microservices.
  • Experience with Hibernate/JPA and SQL databases.
  • Knowledge of design patterns, OOP, data structures, and multithreading.
  • Experience with Git and CI/CD pipelines.
  • AI / GenAI
  • Hands-on experience with Generative AI and Large Language Models (LLMs).
  • Experience integrating LLM APIs such as OpenAI/Azure OpenAI, Anthropic, or Google Gemini.
  • Knowledge of Prompt Engineering, Embeddings, Vector Databases, and RAG.
  • Experience with vector databases such as Pinecone, FAISS, Weaviate, or Milvus is a plus.
  • Familiarity with AI frameworks such as LangChain, LangGraph, Spring AI, or LlamaIndex.
  • Understanding of AI agents, tool/function calling, and evaluation/monitoring is desirable.
  • Basic understanding of Python and AI/ML concepts is an advantage.
  • Experience with AWS, Azure, or GCP.
  • Knowledge of Docker and Kubernetes.
  • Familiarity with CI/CD tools such as Jenkins, GitHub Actions, or Azure DevOps.
  • Understanding of cloud-native architecture and security best practices.

Responsibilities

  • Design, develop, test, and maintain scalable applications using Java, Spring Boot, and REST APIs.
  • Build microservices and integrate them with enterprise applications and cloud platforms.
  • Develop and integrate Generative AI/LLM capabilities into Java applications.
  • Work with LLM APIs such as OpenAI, Azure OpenAI, or other enterprise AI platforms.
  • Develop AI-powered features such as chatbots, document processing, summarization, classification, and intelligent search.
  • Implement RAG (Retrieval-Augmented Generation) solutions using vector databases.
  • Work with embeddings, prompt engineering, AI agents, and LLM orchestration frameworks.
  • Integrate AI services securely through REST APIs and SDKs.
  • Develop backend services for AI/ML applications and optimize performance and scalability.
  • Collaborate with product managers, architects, data scientists, and frontend developers.
  • Write clean, maintainable, well-tested code and participate in code reviews.
  • Troubleshoot production issues and continuously improve application reliability.

Skills

Java
Spring Boot
REST APIs
Microservices
Hibernate/JPA
SQL databases
Git & CI/CD
AI / GenAI
LLMs
OpenAI/Azure OpenAI
Anthropic
Google Gemini
Prompt Engineering
Embeddings
Vector Databases
LangChain
Kubernetes
Docker
AWS
Azure
GCP

Tools

Pinecone
FAISS
Weaviate
Milvus
LangChain
Spring AI
LlamaIndex

Job description

Voto Consulting LLC in Phoenix, AZ seeks an experienced Java Developer with AI/GenAI expertise to design, develop, and integrate scalable enterprise applications with modern AI capabilities. The ideal candidate has hands-on Java/Spring Boot experience and practical knowledge of Generative AI, LLMs, APIs, and AI-powered application development for on-site work five days a week.

Responsibilities include building microservices, integrating cloud platforms, implementing RAG with vector databases,

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