Java Full Stack Engineer — AI-Driven Backend & APIs

Relha LLC; Tampa, Northern (FL, KY); Hybrid; USD 110,000 - 140,000; Full time

Job summary

Deloitte is seeking an experienced Java Full Stack Developer to join the AI & Systems Co-Design team. You will design, build, and optimize backend services using Java, Spring Boot, Kafka, MongoDB, and MSSQL, delivering scalable APIs and event-driven components for enterprise clients.

You will collaborate with cross-functional teams, participate in agile sprints, and ensure production-ready, high-performance software. Remote/onsite travel up to 10% may be required depending on client engagements.

Qualifications

• 3+ years of experience in software, systems, or embedded engineering.
• 3+ years of experience working Java/J2EE, Core Java, and multithreading.
• 3+ years of experience developing or deploying AI solutions, custom hardware, or high-performance platforms.
• 3+ years of experience with Spring Boot.
• Strong MSSQL expertise with complex queries and stored procedures.
• Intermediate experience with Kafka or other event-driven messaging platforms.
• Experience building backend services in a scalable enterprise environment.
• Experience with Git, CI/CD pipelines, and modern DevOps practices.
• Experience working in Agile/Scrum development teams.

Responsibilities

• Design, build, and maintain backend services using Java, Spring Boot, Kafka, MongoDB, and MSSQL.
• Develop scalable, high-performance APIs and event-driven components for market technology applications.
• Write efficient multithreaded Java code and troubleshoot performance, concurrency, and reliability issues.
• Create and optimize database queries, stored procedures, and data access patterns in MSSQL and MongoDB.
• Support integration and message-driven workflows using Kafka and related patterns.
• Collaborate with product, architecture, QA, and DevOps teams to deliver secure, stable, production-ready solutions.
• Participate in code reviews, design discussions, sprint ceremonies, and production support.
• Identify root causes of defects, implement fixes, and improve application stability and maintainability.
• Follow engineering best practices for coding, testing, deployment, and documentation.
• Communicate with Engagement Managers and team members, escalating issues as needed.
• Lead client engagement workstreams focused on process improvement and optimization.

Skills

Java/J2EE Core Java Multithreading

AI/High-performance platforms

Kafka

Git CI/CD DevOps

Agile/Scrum

3+ years software/systems/embedded

Travel readiness 10%

Education

Bachelor's degree in CS/IT/CE or related field

Tools

Spring Boot

MongoDB

MSSQL

Kafka (event-driven)

Git

CI/CD pipelines

Job description

Deloitte is seeking an experienced Java Full Stack Developer to join the AI & Systems Co-Design team. You will design, build, and optimize backend services using Java, Spring Boot, Kafka, MongoDB, and MSSQL, delivering scalable APIs and event-driven components for enterprise clients.

You will collaborate with cross-functional teams, participate in agile sprints, and ensure production-ready, high-performance software. Remote/onsite travel up to 10% may be required depending on client engagements.