Sr. Java Full Stack Developer

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 teams—including Product, Architecture, and Security—to 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 role’s 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 you’re 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 Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s 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.

The Cognizant community:
We are a high caliber team who appreciate and support one another. Our people uphold an energetic, collaborative and inclusive workplace where everyone can thrive.

• Cognizant is a global community with more than 300,000 associates around the world.
• We don’t just dream of a better way – we make it happen.
• We take care of our people, clients, company, communities and climate by doing what’s right.
• We foster an innovative environment where you can build the career path that’s right for you.

About us:
Cognizant is one of the worlds leading professional services companies, transforming clients business, operating, and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build, and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant (a member of the NASDAQ-100 and one of Forbes World’s Best Employers 2025) is consistently listed among the most admired companies in the world. 

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.

Disclaimer: 
Compensation 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.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.