Lead Java Software Engineer AWS Microservices

Date Posted: 08/12/2026Hiring Organization: Rose InternationalPosition Number: 505625Industry: ManufacturingJob Title: Lead Java Software Engineer AWS MicroservicesJob Location: Chicago, IL, USA, 60603Work Model: HybridWork Model Details: 2 days in office Monday and WednesdayShift: Monday to Friday, 1st shift.Employment Type: TemporaryFT/PT: Full-TimeEstimated Duration (In months): 10Min Hourly Rate($): 80.00Max Hourly Rate($): 90.00Must Have Skills/Attributes: API, AWS, Azure, Elastic Search, Java, JUnit, MySQL, Spring Boot, SQLExperience Desired: Java 17+ & Spring Boot for RESTful API Development (10 yrs); Public Cloud Deployment (AWS preferred) & API Gateway (Apigee) (10 yrs); End-to-End Software Lifecycle Ownership & Automated Testing (10 yrs)Required Minimum Education: Bachelor’s DegreeJob DescriptionRequired Education Degree: Bachelor's degree or equivalent (implied by "Degree + 10+ years' experience") Years of Experience: 10+ years of professional software engineering experienceRequired Skills Programming Language: Extensive experience with Java 17+ and Spring Boot for RESTful API development. API Management: Experience with API gateways and management platforms, specifically Apigee (or similar). Cloud Platforms: Proficiency deploying and maintaining software in public cloud environments (AWS, Azure, or GCP); AWS preferred given the platform context. Testing: Proven ability to write comprehensive automated tests (unit, integration, end-to-end) using frameworks like JUnit and Mockito. Architecture: Experience designing and implementing Event-Driven Architectures using message streaming solutions (e.g., AWS Kinesis, SQS, SNS, Apache Kafka, RabbitMQ, Azure Event Hub). Datastores: Deep understanding of multiple datastore types:Relational: PostgreSQL, MySQL, Oracle, AWS RDS/AuroraNoSQL: MongoDB, Cassandra, AWS DynamoDBSearch: ElasticsearchCaching: RedisVector databases CI/CD: Hands-on experience configuring and deploying software via CI/CD pipelines (Azure DevOps, Jenkins, or GoCD). Agile: Demonstrated success working within an Agile/Scrum framework. Security: Knowledge of secure service-to-service integrations using OAuth 2.0, JWT, and entitlement-based authorization models. Soft Skills: Strong decision-making, critical thinking, and technical leadership abilities.Preferred/Nice-to-Have Familiarity with AI-assisted coding companions (GitHub Copilot, Cursor).Lead Software Engineer provides technical leadership in the design, development, testing, and deployment of state-of-the-art digital platform hosted on AWS. This role will build a world-class platform to host a wide range of digital applications.Key Responsibilities Lead the design and development of enterprise-scale REST APIs and microservices using Java 21+, Spring Boot, Apigee API Gateway, and AWS cloud services. Architect API-first solutions; define service contracts, payload schemas, and OpenAPI/Swagger specifications. Lead solution decomposition by breaking business requirements into technical designs, user stories, and implementation tasks. Guide engineers in developing secure service-to-service integrations using OAuth 2.0, JWT, and enterprise entitlement-based authorization models. Serve as the technical lead for complex initiatives, driving architecture decisions, design reviews, and code reviews. Collaborate with product owners, UI development teams, architects, and partner teams to ensure successful delivery of customer-focused solutions. Establish engineering best practices for reliability, scalability, observability, security, and maintainability. Drive quality engineering practices including automated testing, performance testing, load testing, and production readiness reviews. Lead troubleshooting and resolution of complex production issues. Create and maintain technical documentation, operational runbooks, and engineering standards. Drive end-to-end software ownership from design through deployment, monitoring, support, and continuous improvement.BenefitsFor information and details on employment benefits offered with this position, please visit here. Should you have any questions/concerns, please contact our HR Department via our secure website. California Pay EquityFor information and details on pay equity laws in California, please visit the State of California Department of Industrial Relations' website here. Rose International is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender (expression or identity), national origin, arrest and conviction records, disability, veteran status or any other characteristic protected by law. Positions located in San Francisco and Los Angeles, California will be administered in accordance with their respective Fair Chance Ordinances. If you need assistance in completing this application, or during any phase of the application, interview, hiring, or employment process, whether due to a disability or otherwise, please contact our HR Department. Rose International has an official agreement (ID #132522), effective June 30, 2008, with the U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Employment Verification Program (E-Verify). (Posting required by OCGA 13/10-91.).