W2 ONLY :::: Full Stack Engineer - Atlanta, GA - 100% Onsite - Contract - Cognizant/GPC

Stellar Consulting Solutions is a boutique business & technology consulting company headquartered in Atlanta, GA. We deliver high-quality, agile, and experienced workforce for niche technology projects of any scale. We help forward-thinking clients solve specific problems by understanding their needs and aligning talent that can move fluidly to match skill supply and demand on a real-time basis.

About the role

This role is for a Technical Lead with eight to ten years of experience in Core Java, Spring Boot, Microservices, JavaScript, and ReactJS. The role focuses on designing, developing, and guiding the delivery of scalable hybrid cloud-ready applications that support critical business services while mentoring a high-performing engineering team.

Responsibilities

• Design scalable microservice-based applications using Core Java and Spring Boot that align with enterprise quality standards and long-term technology strategy.
• Develop robust backend components that integrate securely with modern frontend applications built using JavaScript and ReactJS to deliver consistent customer experiences.
• Implement resilient microservices that support high availability, performance, and fault tolerance, ensuring reliable operation of critical business processes.
• Define and maintain clean modular code structures that support ease of maintenance, testability, and reuse across multiple product teams.
• Coordinate closely with product managers and business analysts to translate complex functional requirements into clear technical designs and implementation plans.
• Guide peer engineers by reviewing code designs and technical approaches to maintain high standards of security, performance, and maintainability.
• Optimize application performance by analyzing bottlenecks, fine-tuning queries, and improving service interactions to reduce response time and resource usage.
• Ensure secure coding practices by applying authentication, authorization, data validation, and protection mechanisms in every service and user interface component.
• Collaborate with DevOps teams to define build pipelines, deployment strategies, and monitoring solutions that support safe and frequent releases in a hybrid work model.
• Drive adoption of automated testing practices including unit tests, integration tests, and API tests to improve reliability and reduce production incidents.
• Prepare and maintain technical documentation for services, APIs, and integration patterns to support knowledge sharing and onboarding within the development teams.
• Support production stability by analyzing incidents, identifying root causes, and implementing preventive improvements that minimize impact on end users and business operations.
• Align daily development activities with organizational goals to deliver digital solutions that improve customer satisfaction, operational efficiency, and broader societal trust in secure technology.

Requirements

• Possess eight to ten years of hands-on experience in Core Java development with strong knowledge of object-oriented principles, collections, and concurrency models.
• Demonstrate advanced expertise in Spring Boot-based microservices, including RESTful API design, dependency injection, data access, and configuration management.
• Show proven experience developing responsive web applications using JavaScript and ReactJS, including state management, component design, and integration with backend services.
• Exhibit strong understanding of microservices architecture patterns, including service decomposition, inter-service communication, and resilience design using standard frameworks.
• Bring working knowledge of relational and NoSQL databases with the ability to design efficient schemas, write optimized queries, and manage transactions reliably.
• Apply sound understanding of secure coding practices, authentication patterns, and data privacy considerations relevant to enterprise applications.
• Display excellent problem-solving abilities with a track record of analyzing complex issues in distributed systems and delivering stable, scalable solutions.
• Communicate clearly with cross-functional stakeholders including product teams, quality specialists, and operations partners to ensure shared understanding of requirements and outcomes.
• Adapt effectively to a hybrid work environment by using collaboration tools, documenting decisions, and maintaining transparency across global teams.

Schedule

100% Onsite in Atlanta, GA.