AWS Engineer (Java and Rest API knowledge is required) - Chicago IL (ONSITE)

Role: AWS Engineer ( Java and Rest API knowledge is required )

Location: Chicago IL (ONSITE)

Duration: 12 Months Contract

Interview Process: 2 Rounds

About Cygnus Professionals, Inc.

Cygnus is a Princeton, NJ-headquartered global Business IT consulting and software Services firm with offices in the USA and Asia. Cygnus offers and enables innovation and helps our clients accelerate time to market & grow their business. Over 15 years, we have taken great pride in continuing our deep relationships with our clients.

For further information about CYGNUS, please visit our website

Job Summary:
We are looking for a talented and motivated Software Engineer with expertise in Core Java, REST APIs, and AWS to join our development team. In this role, you will work on designing, developing, and deploying highly scalable and reliable backend systems, integrating APIs, and managing cloud infrastructure on AWS. Your experience will help us build high-performance, cloud-native solutions to meet the growing demands of our business.
Key Responsibilities: Backend Development: Design, develop, and maintain backend services using Core Java and integrate RESTful APIs to support business functionality and user interfaces.
API Development: Develop, test, and document RESTful APIs that integrate with various services and client applications to ensure seamless communication across systems.
AWS Cloud Integration: Leverage AWS services (EC2, S3, Lambda, RDS, API Gateway, PsotGres, etc.) to deploy, scale, and manage applications in a cloud environment.
Performance Optimization: Continuously optimize application performance and troubleshoot issues in Java-based applications and AWS cloud infrastructure.
Microservices Architecture: Build and manage microservices-based applications, ensuring they are modular, scalable, and fault-tolerant.
Security & Compliance: Implement security best practices, such as authentication, authorization, encryption, and data integrity in both the application and AWS infrastructure.
Collaboration: Collaborate with cross-functional teams, including frontend developers, DevOps, and QA engineers, to ensure seamless integration and smooth software delivery.
CI/CD & Automation: Implement CI/CD pipelines to automate the build, testing, and deployment processes using AWS tools and other relevant technologies.
Documentation: Write clear and maintainable technical documentation, including API documentation and deployment processes.

Required Skills and Qualifications: Core Java: Strong experience in developing enterprise-grade applications using Java (Java 8 or higher), including knowledge of core Java concepts like multithreading, collections, concurrency, and JVM performance tuning.
REST API Development: Hands-on experience in developing and consuming RESTful APIs, including knowledge of HTTP, JSON, and API design best practices.
AWS: Proven experience with AWS services, including EC2, S3, RDS, Lambda, VPC, IAM, API Gateway, and CloudFormation. Familiarity with scaling applications on AWS.
Database Knowledge: Experience with relational databases (MySQL, PostgreSQL) and NoSQL databases (DynamoDB, MongoDB).
Version Control: Proficiency in Git for version control, managing code repositories, and handling pull requests.
Automation Tools: Experience with tools like Maven, Jenkins, or Gradle for building and automating deployments.
Testing: Experience with unit testing frameworks (JUnit, TestNG) and integration testing tools for API testing (Postman, RestAssured).
Agile Methodologies: Familiarity with agile development practices, including Scrum or Kanban.

Preferred Qualifications: Microservices Architecture: Experience building and deploying microservices using tools like Spring Boot, Docker, and Kubernetes.
DevOps Practices: Knowledge of CI/CD pipelines, containerization, infrastructure as code, and AWS-specific services like AWS CodePipeline, ECS, and EKS.
Cloud Security: Familiarity with security concepts and best practices in the cloud, including IAM, VPC security, encryption, and compliance.
Certifications: AWS Certified Developer Associate or AWS Certified Solutions Architect Associate is a plus.

Cygnus Belief 

We believe in our commitment to diversity & inclusion. 

Equal Employment Opportunity Statement 

Cygnus is an Equal Opportunity Employer. We ensure that no one should be discriminated against because of their differences, such as age, disability, ethnicity, gender, gender identity and expression, religion, or sexual orientation. 

All our employment decisions are taken without looking into age, race, creed, color, religion, sex, nationality, disability status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status, or any other aspects of employment protected by federal, state, or local law. 

Applicants for employment in the US must have work authorization & Cygnus does not offer any sponsorship of a visa for employment authorization in the United States.