Java Gen AI Engineer

Photon; Dallas (TX); On-site; USD 140,000 - 180,000; Full time

Job summary

Photon in Dallas is seeking an experienced Java Developer to design scalable, high-performance enterprise applications and integrate GenAI capabilities into distributed systems. You will lead system design efforts and work across product, data, and ML teams.

The ideal candidate has 8+ years of Java/J2EE experience, strong Kafka and cloud skills, and hands-on GenAI/LLM integrations. This role offers growth in a fast-paced digital modernization environment with modern tech.

Qualifications

• 8+ years of Java/J2EE application development experience.
• Expertise in Java, Spring Boot and microservices architecture.
• Strong understanding of system design, distributed systems, and API architecture.
• Hands-on experience with Apache Kafka and event-driven architecture.
• Strong Python programming for AI/GenAI integrations.
• Experience designing or implementing GenAI architectures and LLM-based applications.
• Knowledge of RAG, vector databases, embeddings, and prompt engineering.
• Experience integrating LLMs such as OpenAI, Gemini, Claude, Llama, or similar models.
• Strong REST API security, scalability, and performance optimization.
• Experience with cloud platforms (AWS, Azure, GCP) and DevOps practices.

Responsibilities

• Design and develop scalable, resilient applications using Java, Spring Boot, and Microservices.
• Own and contribute to high-level and low-level system design, architecture, and technical solutioning.
• Design event-driven architectures using Apache Kafka for real-time data and asynchronous processing.
• Develop secure and scalable REST APIs and backend services.
• Design and implement GenAI/LLM-based architectures, including RAG, AI agents, model integration, and AI-powered enterprise solutions.
• Work with Python for AI/ML integrations, automation, data processing, and GenAI application development.
• Integrate LLMs and AI services with existing Java-based enterprise applications and microservices.
• Evaluate and recommend appropriate technologies, frameworks, design patterns, and architectural approaches.
• Drive performance, scalability, reliability, security, and observability across distributed systems.
• Collaborate with product managers, architects, data engineers, ML engineers, and development teams.
• Provide technical leadership, conduct code/design reviews, and mentor engineering teams.

Skills

Java/J2EE

Spring Boot

Microservices

System Design

Distributed Systems

API Architecture

Apache Kafka

Python

GenAI Integrations

LLM Architectures

Cloud Platforms

Docker

Kubernetes

CI/CD

DevOps

Education

Bachelor's Degree

Tools

Docker

Kubernetes

CI/CD

LangChain

LangGraph

LlamaIndex

Weaviate

Pinecone

pgvector

Job description

For the past 20 years, we have powered many Digital Experiences for the Fortune 500. Since 1999, we have grown from a few people to more than 4000 team members across the globe that are engaged in various Digital Modernization. Our current focus and innovation in Digital Hyper expansion TM offers nearly limitless opportunities for career growth. For a brief 1-minute video about us, you can check out https://youtu.be/uJWBWQZEA6o.

About Role

We are looking for an experienced Java Developer with strong expertise in System Design, Microservices, Spring Boot, Kafka, Python, and GenAI Architecture. The ideal candidate will be responsible for designing scalable, high-performance enterprise applications and integrating modern GenAI capabilities into distributed systems.

Key Responsibilities

• Design and develop scalable, resilient applications using Java, Spring Boot, and Microservices.
• Own and contribute to high-level and low-level system design, architecture, and technical solutioning.
• Design event-driven architectures using Apache Kafka for real-time data and asynchronous processing.
• Develop secure and scalable REST APIs and backend services.
• Design and implement GenAI/LLM-based architectures, including RAG, AI agents, model integration, and AI-powered enterprise solutions.
• Work with Python for AI/ML integrations, automation, data processing, and GenAI application development.
• Integrate LLMs and AI services with existing Java-based enterprise applications and microservices.
• Evaluate and recommend appropriate technologies, frameworks, design patterns, and architectural approaches.
• Drive performance, scalability, reliability, security, and observability across distributed systems.
• Collaborate with product managers, architects, data engineers, ML engineers, and development teams.
• Provide technical leadership, conduct code/design reviews, and mentor engineering teams.

Mandatory Skills:

• 8+ years of experience in Java/J2EE application development.
• Strong expertise in Java, Spring Boot, and Microservices Architecture.
• Strong understanding of System Design, Distributed Systems, Design Patterns, and API Architecture.
• Hands-on experience with Apache Kafka and event-driven architecture.
• Strong Python programming experience, particularly for AI/GenAI integrations.
• Experience designing or implementing GenAI architectures and LLM-based applications.
• Knowledge of RAG, Vector Databases, Embeddings, Prompt Engineering, and AI Agents.
• Experience integrating LLMs such as OpenAI, Gemini, Claude, Llama, or similar models.
• Strong understanding of REST APIs, authentication, security, scalability, and performance optimization.
• Experience with relational and/or NoSQL databases.
• Strong knowledge of cloud platforms such as AWS, Azure, or GCP.
• Experience with Docker, Kubernetes, CI/CD, and modern DevOps practices is preferred.

Qualification: Bachelor's Degree

Nice to Have Skills:

• LangChain, LangGraph, LlamaIndex, or similar GenAI frameworks.
• Vector databases such as Pinecone, Weaviate, Milvus, pgvector, or similar.
• Experience building Agentic AI / Multi-Agent Systems.
• Knowledge of AI/ML concepts and model deployment.
• Experience with observability tools and distributed tracing.
• Strong communication, problem-solving, and technical leadership skills.