Senior Java AI Engineer / Architect

Quantum Technologies. LLC; Atlanta (GA); On-site; USD 111,000 - 159,000; Full time

Job summary

Quantum Technologies LLC in Atlanta, GA seeks a hands-on Senior Java AI Engineer/Architect to own the design and delivery of scalable, secure backend systems. You will drive end-to-end architecture, define APIs, and lead production-grade Generative AI integrations using Java stacks.

You will collaborate across teams to implement microservices, ensure observability, and enforce reliability in distributed environments, including Docker, Kubernetes, and CI/CD pipelines.

Qualifications

• Hands-on senior engineer with ownership of architecture and production-grade Java AI solutions.
• Experience with microservices, REST APIs, and event-driven design.
• Strong focus on security, authentication/authorization, and data modeling.

Responsibilities

• Own end-to-end architecture and technical ownership of backend systems.
• Design high- and low-level architectures, API contracts, and sequence models.
• Implement and operate scalable distributed systems with observability and reliability.

Skills

End-to-end system design

High-Level/Low-Level design

Distributed systems

API contracts & data models

Security & AuthN/AuthZ

Microservices

REST APIs

Observability & SLOs/SLIs

CI/CD & production ownership

Tools

Docker

Kubernetes

Spring Boot

Spring Cloud

Hibernate / JPA

SQL/NoSQL

JWT/OIDC/OAuth2

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Job Title:Senior Java AI Engineer / Architect
Location: Atlanta,GA
Duration: 10 Months
Bill Rate: $98/hour (C2C)
Job Type: W-2, 1099, C2C
Client: To Be Discussed Later
Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Job Description:

• We are looking for a hands-on Senior Java AI Engineer / Architect with strong expertise in system design, distributed systems, backend engineering, security, and production-grade Generative AI solutions.The ideal candidate must demonstrate individual architectural ownership, independently design scalable and secure systems, and deliver production-ready Java and AI applications.

Mandatory Technical Skills:

• End-to-end system architecture and technical ownership.
• High-Level Design (HLD) and Low-Level Design (LLD).
• API contracts, data models, and sequence diagrams.
• Distributed system design, scalability, availability, and performance.
• Architecture reviews, trade-off analysis, and production ownership.
• Microservices, REST APIs, and Kafka or equivalent messaging.
• Idempotency, retries, timeouts, circuit breakers, and dead-letter queues.
• Outbox / Saga patterns and transaction consistency.
• Authentication and Authorization (AuthN/AuthZ).
• OAuth2, OIDC, JWT, RBAC, and ABAC.
• Resource-level permissions, least privilege, and tenant isolation.
• Capacity planning, horizontal scaling, SLOs/SLIs, tracing, and observability.
• Spring Boot and Spring Cloud.
• Hibernate / JPA.
• REST API and microservices development.
• Event-driven architecture and backend integrations.
• SQL and NoSQL database design.
• Docker, Kubernetes, CI/CD, and automated testing.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.