Senior Java Developer (Microservices, Kafka, Cloud), New York, NY-550 W 34th St, New York, United States

Job Summary

We are looking for a highly skilled Senior Java Developer (Microservices, Kafka, Cloud) with deep expertise in microservices architecture, event-driven systems, and cloud-native application development. This role is ideal for a hands-on engineer with strong experience in Java 15+, Spring Boot, Kafka, and modern containerization technologies. You will play a key role in designing and building scalable, high-performance applications while collaborating with cross-functional teams to deliver robust and innovative solutions.

About the Role

As a Senior Java Developer, you will be responsible for developing enterprise-grade, cloud-native applications using modern Java frameworks and microservices architecture. You will design, build, and deploy scalable backend services while contributing to front-end integration using Angular.

A core part of your role will involve implementing event-driven architectures using Kafka and MQ to support real-time processing and communication across distributed systems. You will also work with Docker to containerize applications and ensure seamless deployment in cloud environments.

This role requires strong collaboration across engineering and product teams, as well as a commitment to coding best practices, performance optimization, and continuous improvement. You will actively contribute to architectural decisions, mentor team members, and stay current with evolving technologies in the Java ecosystem.

*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 and high-performance applications using Java (15+) and modern frameworks

· Build and manage microservices using Spring Boot and integrate with Angular-based front-end applications

· Develop and deploy containerized applications using Docker in cloud-native environments

· Implement event-driven architectures using Kafka and MQ for real-time messaging and data processing

· Collaborate with cross-functional teams to define, design, and deliver high-quality software solutions

· Troubleshoot, debug, and optimize applications for performance, scalability, and security

· Refactor existing codebases to enhance efficiency, maintainability, and reliability

· Follow best practices in software development, including testing, code reviews, and documentation

· Stay updated with emerging tools, technologies, and industry trends in Java and cloud ecosystems

Work Model

At Cognizant, we strive to provide flexibility wherever possible, and we are here to support a healthy work-life balance though our various wellbeing programs. Based on this role’s business requirements, this is an onsite position requiring 5 days a week in a client or Cognizant office in New York, NY.

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

· 8+ years of hands-on experience in Java development with strong expertise in Java 15+

· Proven experience building RESTful APIs and microservices using Spring Boot

· Strong experience with Docker and working in cloud-native environments

· Hands-on expertise with Kafka and MQ for event-driven architecture and messaging systems

· Solid understanding of relational and NoSQL databases

· Experience with version control systems (e.g., Git) and Agile development methodologies

· Strong problem-solving, debugging, and analytical skills

· Ability to work effectively in a fast-paced, collaborative environment

Preferred Qualifications

· Experience with CI/CD pipelines and automation tools

· Knowledge of Kubernetes or container orchestration platforms

· Experience with testing frameworks such as JUnit and Mockito

· Exposure to front-end technologies, particularly Angular (Angular 19+) or RxJS

Additional Information

We welcome applicants who share our mission and can make an impact in a variety of ways. Even if you don’t meet every listed requirement, we encourage you to apply. Consider your transferable experience and unique skills that may bring fresh perspective to the role.

Salary and Other Compensation

Applications will be accepted until June 14^th, 2026.
The annual salary for this position ranges from $70,000 – $120,000, 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.

Sobre a Cognizant
Cognizant (NASDAQ: CTSH) é uma construtora de IA e fornecedora de serviços de tecnologia, criando a ponte entre o investimento em IA e o valor para as empresas por meio do desenvolvimento de soluções de IA completas para nossos clientes. Nossa profunda experiência em setores, processos e engenharia nos permite incorporar o contexto único de cada organização em sistemas tecnológicos que potencializam a capacidade humana, geram resultados tangíveis e mantêm empresas globais à frente em um mundo em rápida transformação. Saiba mais em cognizant.ai ou @cognizant.

A Cognizant é uma empregadora que investe em equidade. Sua candidatura não será pautada em raça, cor, gênero, sexualidade, credo, origem, deficiência, gravidez ou qualquer outra característica protegida pelas leis brasileiras.

Informações adicionais de emprego
Os candidatos podem ser obrigados a comparecer a entrevistas presenciais ou por videoconferência. Além disso, os candidatos podem ser obrigados a apresentar seu documento de identificação emitido pelo estado ou governo atual durante cada entrevista.

Embora nosso sistema permita a candidatura em todos os idiomas, o(s) idioma(s) e o(s) nível(is) de proficiência exigidos para o trabalho variam. No entanto, é necessário um nível básico de inglês para fins de comunicação em toda a empresa.

Se você tem uma deficiência que requer adaptações razoáveis para procurar uma vaga de emprego ou enviar uma candidatura, envie um e-mail para [email protected] com sua solicitação e informações de contato.