Job description

Job Summary We are looking for a Senior Backend Java Engineer (Microservices & Kafka) to join our engineering team and play a key role in building scalable, high-performance backend systems. This role focuses on developing event-driven, microservices-based architectures using modern Java frameworks and messaging technologies. About the Role In this role, you will design and develop reactive microservices using Java 8+ and frameworks such as Spring Boot or Vert.x , while leveraging Kafka and asynchronous communication patterns to build robust event-driven systems. You will work closely with cross-functional teams in an Agile environment , contributing to both software development and system design decisions . This position requires a self-driven engineer who thrives in fast-paced, evolving environments , is comfortable with ambiguity, and enjoys experimenting with new approaches. You will be expected to take ownership of your work, support high-availability platforms , and collaborate effectively with teammates while maintaining strong communication and a team-first mindset. *Please note, this role is not able to offer visa transfer or sponsorship now or in the future* In This Role You Will Design, develop, and maintain scalable backend services using Java 8+ (or Kotlin) Build reactive, microservices-based applications using frameworks such as Spring Boot, Vert.x, Micronaut, or Quarkus Develop and implement event-driven architectures leveraging Kafka, webhooks, and asynchronous APIs Collaborate with cross-functional teams in an Agile environment to deliver high-quality software solutions Contribute to application design, architecture decisions, and technical best practices Ensure high availability, performance, and reliability of mission-critical platforms Work with cloud-based and distributed systems to support scalable solutions Participate in code reviews, testing, and continuous improvement initiatives Communicate effectively with stakeholders and provide constructive feedback and technical insights Take ownership of deliverables while working in ambiguous and fast-paced environments Promote a collaborative, team-first culture and continuously explore new technologies and approaches Work Model 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 2-3 days a week in a client or Cognizant office in Phoenix, AZ. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs. *Please note, this role is not able to offer visa transfer or sponsorship now or in the future* Required Qualifications • Strong hands-on experience with Java 8+ (Kotlin is a plus) • Proven experience building microservices-based architectures • Hands-on experience with at least one modern framework: · Spring Boot (preferred) · Vert.x, Micronaut, or Quarkus • Experience with event-driven systems and messaging technologies such as Kafka • Solid experience designing and developing RESTful APIs • Strong understanding of application design and software development best practices • Experience working with relational databases (PostgreSQL, Oracle, or equivalent) • Exposure to NoSQL databases such as Couchbase or similar • Experience working in Agile development environments • Proven ability to support high-availability, mission-critical systems • Familiarity with cloud-based and distributed system architectures • Strong communication skills, with the ability to collaborate and provide constructive feedback • Self-motivated and able to work effectively in fast-paced, ambiguous environments Preferred Qualifications • Experience with reactive programming or frameworks (e.g., Vert.x) • Exposure to cloud platforms (AWS, Azure, GCP) • Familiarity with containerization and orchestration tools (Docker, Kubernetes) • Experience with performance tuning and caching strategies • Knowledge of AI/ML concepts, including LLMs, RAG, vector databases, or prompt engineering • Experience with Python for scripting, automation, or data-related tasks • Understanding of advanced design patterns for distributed systems (e.g., Circuit Breaker, Saga) • Strong communication skills and ability to contribute to technical leadership discussions Salary and Other Compensation Applications will be accepted until September 23rd, 2026 The annual salary for this position ranges from $69,000 – $125,000 , depending on experience and qualifications. This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to applicable plan terms. Benefits Cognizant offers the following benefits for this role (subject to eligibility): • Medical/Dental/Vision/Life Insurance • Paid Holidays & Paid Time Off • 401(k) plan with contributions • Long‑term/Short‑term Disability • Paid Parental Leave • Employee Stock Purchase Plan Disclaimer The salary, benefits, and compensation information listed above is accurate as of the posting date. Cognizant reserves the right to modify this information at any time, in accordance with applicable law. About Cognizant: Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant. Additional employment information 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. 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 for roles based in the Americas or CareersIndia2@cognizant.com for roles based in India.

Requirements

Must-haves

Please note, this role is not able to offer visa transfer or sponsorship now or in the future*
In This Role You Will
Design, develop, and maintain scalable backend services using Java 8+ (or Kotlin)
Build reactive, microservices-based applications using frameworks such as Spring Boot, Vert.x, Micronaut, or Quarkus
Develop and implement event-driven architectures leveraging Kafka, webhooks, and asynchronous APIs
Collaborate with cross-functional teams in an Agile environment to deliver high-quality software solutions
Contribute to application design, architecture decisions, and technical best practices
Ensure high availability, performance, and reliability of mission-critical platforms
Work with cloud-based and distributed systems to support scalable solutions
Participate in code reviews, testing, and continuous improvement initiatives
Communicate effectively with stakeholders and provide constructive feedback and technical insights
Take ownership of deliverables while working in ambiguous and fast-paced environments

Nice-to-haves

Strong hands-on experience with Java 8+ (Kotlin is a plus)
Spring Boot (preferred)
Experience with reactive programming or frameworks (e.g., Vert.x)
Exposure to cloud platforms (AWS, Azure, GCP)
Familiarity with containerization and orchestration tools (Docker, Kubernetes)
Experience with performance tuning and caching strategies
Knowledge of AI/ML concepts, including LLMs, RAG, vector databases, or prompt engineering
Experience with Python for scripting, automation, or data-related tasks
Understanding of advanced design patterns for distributed systems (e.g., Circuit Breaker, Saga)
Strong communication skills and ability to contribute to technical leadership discussions
Salary and Other Compensation
Applications will be accepted until September 23rd, 2026

Application prep

Use the role’s language and application details while tailoring your materials.

Keywords to mirror

javaagilekotlinawsazuregcpdockerkubernetesaimlpython

Platform: cognizant
Effort: medium

Benefits

Benefits detected in the listing.

Dental

Vision

401(K)

Paid Time Off

Parental Leave