Java Full Stack Developer Lead

Overview:

TekWissen is a global workforce management provider headquartered in Ann Arbor, Michigan that offers strategic talent solutions to our clients world-wide. Our client is an American multinational information technology services and consulting company and is a leading provider of information technology, consulting, and business process outsourcing services, dedicated helping the world's leading companies build stronger businesses.

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Job Title: Java Full Stack Developer Lead
Location: Tampa, FL 33610
Duration: 6 Months
Job Type: Temporary Assignment
Work Type: Onsite

Job Description:

• We are seeking a Full-Stack Senior Java Engineer to architect, design, and build scalable, secure, high-performance applications across both the back end and front-end using Java, Spring Boot, and React.
• You'll work in a cross-functional team to deliver resilient microservices, build responsive user interfaces, optimize Oracle database performance, and strengthen engineering excellence through code reviews, mentorship, and automation.

Key Responsibilities:

• Architect, design, and develop scalable, secure, high-performance full-stack applications using Java, Spring Boot, and React.
• Build and maintain responsive, intuitive front-end interfaces using React, modern JavaScript/TypeScript, HTML, and CSS.
• Build and maintain microservices-based systems with a strong focus on reliability, resilience, and observability.
• Design, build, and operate event-driven microservices, including service decomposition, inter-service communication, API contracts, and fault-tolerance patterns (circuit breakers, retries, idempotency).
• Develop and manage asynchronous, event-streaming pipelines using Kafka, including topic design, partitioning, consumer groups, and exactly-once/at-least-once delivery semantics.
• Deploy, scale, and manage containerized applications on Kubernetes, including deployments, auto-scaling, and service discovery.
• Build and run cloud-native workloads on AWS, leveraging services such as EKS, EC2, S3, RDS, Lambda, and CloudWatch.
• Design and optimize Oracle database schemas, SQL queries, and PL/SQL stored procedures; perform performance tuning.
• Collaborate with Product, QA, DevOps, and UX partners to deliver end-to-end solutions.
• Participate in code reviews, mentor junior developers, and promote engineering best practices and coding standards.
• Troubleshoot production issues, perform root-cause analysis, and drive continuous improvements to system performance and stability.
• Contribute to CI/CD pipelines and automation to streamline development, testing, and deployment.

Required Qualifications (Must Have):

• 8+ years of hands-on experience in full-stack Java development.
• Expert-level proficiency in Java.
• Strong experience with Spring Boot and the broader Spring ecosystem.
• Full-stack engineering experience with React (and modern JavaScript/TypeScript, HTML, and CSS) for building responsive front-end applications.
• Deep understanding of microservices architecture, RESTful APIs, and distributed systems.
• Hands-on experience designing and building event-driven microservices and distributed messaging with Kafka.
• Experience deploying and operating applications on Kubernetes and AWS in production environments.
• Strong Oracle expertise: SQL, PL/SQL, schema design, and performance tuning.
• Solid foundation in software engineering principles, design patterns, and best practices.
• Experience with Git and CI/CD tools and workflows.

Preferred Qualifications (Nice to Have / Plus):

• Experience in the Payments domain (e.g., claims/payment processing, EDI/835/837, remittance, prior authorization, payer-provider integrations) is a strong plus.
• Knowledge in how AI/ML systems work.
• Proficiency in Python.

TekWissen Group is an equal opportunity employer supporting workforce diversity.