Java Full Stack Developer |

Senior Java Full Stack Developer (Java, React, Playwright, AWS)


Riverwoods, Illinois - ONLY LOCAL CANDIDATES

Job Description


We are seeking a highly skilled Senior Java Full Stack Engineer to design, develop, and maintain scalable, high-performance enterprise applications. The ideal candidate will have strong experience across Java-based microservices, modern front-end development using React, cloud-native architectures on AWS, and end-to-end testing including UI automation with Playwright, along with CI/CD and modern SDLC practices such as TDD and BDD.


Key Responsibilities


Backend & Architecture


Design and develop highly available, scalable applications using Java (17/21/25) and modern design patterns
Build and maintain RESTful APIs and microservices architecture using Spring Boot
Contribute to system design, architecture decisions, and engineering best practices
Ensure high availability, performance, and scalability of backend services


Frontend (React)


Design and develop responsive, reusable front-end components using React.js
Collaborate closely with UX/UI designers and backend teams to deliver seamless user experiences
Integrate front-end applications with backend APIs
Apply front-end best practices including state management, component-based architecture, and performance optimization


Testing & Quality Engineering


Implement unit, integration, and service-level tests for backend services
Apply TDD using JUnit and BDD using Cucumber
Develop and maintain end-to-end UI automation tests using Playwright for React applications
Ensure high test coverage across backend and frontend layers


DevOps, Cloud & CI/CD


Build and maintain CI/CD pipelines (Jenkins, GitHub) to automate build, test, and deployment
Deploy and manage applications on AWS (Lambda, EMR, Spark, etc.)
Containerize applications using Docker and orchestrate using Kubernetes / OpenShift (OCP preferred)
Provision infrastructure using Terraform, CloudFormation, and Ansible


Collaboration & Delivery


Collaborate within Agile / Scrum teams to deliver high-quality software solutions
Work closely with product owners, architects, and business stakeholders
Monitor application performance and troubleshoot production issues
Act as a technical mentor and contribute to continuous improvement initiatives


Required Skills & Experience


Core Technical Skills


Strong Java expertise (Java 17/21/25, Spring Boot, Microservices)
Hands-on React.js experience for front-end development
Experience building RESTful APIs and full-stack applications
Strong experience with AWS Native services (Lambda, EMR, Spark, etc.)
Experience with Docker and Kubernetes/OpenShift
Hands-on experience with Drools Rule Engine
Strong knowledge of Relational (SQL) and NoSQL databases


Testing & Automation


Strong experience in TDD (JUnit) and BDD (Cucumber)
Hands-on experience with Playwright for UI and end-to-end test automation
Experience writing unit, integration, and service-level tests


DevOps & Tools


CI/CD tools (Jenkins)
GitHub and version control
Artifact Repository tools (Artifactory)
Infrastructure as Code (Terraform, CloudFormation, Ansible)


Messaging & Integration


Experience with Kafka, RabbitMQ, MQ, Kinesis, or similar messaging systems


Preferred Qualifications


AWS Architect Certification
Experience with performance tuning and monitoring tools
Exposure to large-scale distributed systems
Experience building cloud-native, event-driven architectures


Soft Skills


Strong communication and collaboration abilities
Excellent analytical and problem-solving skills
Ability to multitask and work in fast-paced, Agile environments
Strong stakeholder management experience
Adaptability in working with both business and technical teams


Experience Level


8+ years of software development experience


Nice to Have


Advanced front-end experience with React ecosystem (modern hooks, state management libraries)
Experience combining Playwright with CI/CD pipelines
Exposure to Angular or other modern JS frameworks