Job Summary

Role Expectations

Design build and maintain highperformance secure and scalable microservices using Kotlin with the Ktor framework

Develop and integrate RESTful APIs for enterprisescale platforms

Collaborate with architects DevOps engineers and product teams to ensure services meet functional performance and security requirements

Apply modern software engineering practices TDD CICD cloudnative deployment to deliver highquality code

Mentor junior developers on Kotlin best practices in backend d

Responsibilities

Responsibilities

Microservices Development

Design and implement backend services using Kotlin Ktor

Build APIs that are wellstructured documented and versioncontrolled

Integrate with internal and external systems through secure API endpoints

Performance Security Scalability

Optimise microservices for low latency and high throughput

Implement authenticationauthorisation OAuth2 JWT API keys and data validation

Ensure services are horizontally scalable and cloudready AWSGCPAzure

Collaboration Delivery

Work in an agile environment with crossfunctional squads

Participate in code reviews architecture discussions and sprint planning

Pair with DevOps to containerise services and deploy via CICD pipelines

Quality Maintainability

Write clean maintainable and testable code following SOLID principles

Implement automated unit integration and performance tests

Contribute to shared service templates and internal Kotlin libraries

MustHave Skills

5 years backend development experience with 3 years in Kotlin for serverside applications

Strong expertise in Ktor framework for building microservices

Solid understanding of RESTful API design OpenAPISwagger and API lifecycle management

Experience with relational andor NoSQL databases PostgreSQL MySQL MongoDB etc

Proficiency in building and consuming asynchronous services Kafka RabbitMQ or similar

Strong grasp of cloudnative concepts Docker Kubernetes microservices patterns

Experience with CICD tools Jenkins GitLab CI GitHub Actions etc

GoodtoHave Skills

Experience working in AWS environment

Knowledge of coroutines and reactive programming in Kotlin

Exposure to security frameworks and zerotrust API design

Understanding of distributed system design circuit breakers service discovery API gateways

Experience in performance profiling and tuning for highload services

Familiarity with Terraform or other InfrastructureasCode tools

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 world's 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. Learn how Cognizant helps clients lead with digital at www.cognizant.com

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.

If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email CareersNA2@cognizant.com with your request and contact information.

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.