Sr. Java Full Stack Developer (AWS/Kafka)

Sr. Java Full Stack Developer (AWS/Kafka) About the role As a Senior Java Full Stack Developer , you will make an impact by architecting, building, and scaling cloud-native, API-first platforms and integrations. You will be a valued member of the engineering organization and work collaboratively with cross-functional teamsu2014including Product, Architecture, and Securityu2014to drive technical excellence and deliver high-quality solutions. _Please note, this role is not able to offer visa transfer or sponsorship now or in the future_ In this role, you will: + Lead the design and development of scalable, high-performance APIs and microservices using Java and Spring Boot. + Architect cloud-native services on AWS, ensuring reliability, security, and adherence to best practices. + Build and integrate front-end components using React and TypeScript to deliver seamless end-to-end functionality. + Define and implement integration patterns across event-driven systems, asynchronous messaging, and distributed workflows. + Mentor engineers, lead code reviews, and champion engineering standards, documentation, and observability. Work model Hybrid We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this roleu2019s business requirements, this is a hybrid position requiring onsite presence in Columbus, Ohio or Plano, TX each week . Regardless of your working arrangement, we support a healthy work-life balance through our wellbeing programs. The working arrangements for this role are accurate as of the date of posting. These may change based on the project youu2019re engaged in, as well as business and client requirements. Rest assured, we will always be clear about role expectations. What you need to have to be considered + 8+ years of professional software engineering experience, including 3+ years architecting cloud-native services on AWS. + Expert-level skills in Java 11+/17 , Spring Boot , REST API design, JSON, and asynchronous messaging (SNS/SQS/Kafka). + Strong understanding of API versioning, schema evolution, backwards compatibility, and contract testing (Pact/WireMock). + Hands-on experience with relational databases (PostgreSQL/MySQL/Aurora) and NoSQL (DynamoDB), as well as caching (Redis). + Proficiency in CI/CD, IaC (Terraform/CloudFormation), Docker, and container orchestration (ECS/EKS). + Solid observability expertise, including logs, metrics, distributed tracing, and performance tuning (JVM, DB, API optimization). + Experience implementing secure systems using IAM, KMS, Secrets Manager, WAF, and security best practices. + Front-end development experience with React + TypeScript (or Angular), including component patterns, routing, and state management. These will help you stand out + Experience with event-driven architectures: EventBridge, Kinesis, Kafka, CDC (Debezium), or saga orchestration using Step Functions. + Familiarity with GraphQL, federation patterns, or Backend-for-Frontend (BFF) designs. + Hands-on experience with multi-account AWS environments, landing zones, or service mesh (App Mesh/Istio). + Deep knowledge of Kubernetes (EKS), Helm, autoscaling strategies, and cloud cost optimization. + Exposure to regulated industries (PCI, SOC 2, HIPAA) and data privacy frameworks (PII/GDPR). Applications will be accepted until March 31st, 2026. The annual salary for this position is between $69,000 - $114,000 depending on experience and other qualifications of the successful candidate. This position is also eligible for Cognizantu2019s discretionary annual incentive program, based on performance and subject to the terms of Cognizantu2019s applicable plans. Benefits : Cognizant offers the following benefits for this position, subject to applicable eligibility requirements: + Medical/Dental/Vision/Life Insurance + Paid holidays plus Paid Time Off + 401(k) plan and contributions + Long-term/Short-term Disability + Paid Parental Leave + Employee Stock Purchase Plan Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

Created: 2026-03-27