Senior Java GenAI Architect | Microservices & AI Systems

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

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.