Senior Software Engineer - Java Microservices & AWS

Cognizant; Trenton (NJ); Remote; USD 81,000 - 142,000; Full time

Job summary

Cognizant is seeking a Senior Software Engineer to design, develop, and deliver scalable enterprise applications supporting healthcare payer operations. You will work with architects, product owners, and platform teams to build secure, high-performing solutions using microservices, Java, Python, and cloud technologies.

The role emphasizes collaboration, performance optimization, and strong emphasis on CI/CD, testing, and best practices.

Qualifications

• Strong experience with Java, Spring Boot, microservices, and REST API development.
• Hands-on Python development and modern software engineering practices.
• Experience with relational and NoSQL databases (MySQL, PostgreSQL, MongoDB).
• Cloud and container technologies including AWS, Kubernetes, Docker.
• Experience with CI/CD and tools like GitLab, CloudWatch, JUnit, Mockito.
• Experience in the Healthcare Payer domain.

Responsibilities

• Design, develop, and enhance scalable microservices-based applications using Java, Spring Boot, Python, and cloud-native technologies.
• Build and optimize backend services, APIs, and database solutions for high-volume healthcare payer operations.
• Collaborate with cross-functional teams to define requirements, estimate effort, and deliver features using Agile practices.
• Improve application performance, reliability, and scalability by identifying bottlenecks and resolving production issues.
• Contribute to code quality, automated testing, CI/CD practices, and engineering best practices through code reviews and documentation.

Skills

Java, Spring Boot, Microservices, REST

Python

Healthcare Payer domain

Tools

MySQL

PostgreSQL

MongoDB

AWS

Kubernetes

Docker

GitLab

CloudWatch

JUnit

Mockito

Job description

About the role

As a Senior Software Engineer , you will make an impact by designing, developing, and delivering scalable enterprise applications that support critical healthcare payer operations. You will be a valued member of a collaborative engineering team, working closely with architects, product owners, and platform teams to build secure, high-performing solutions using microservices, Java, Python, cloud technologies, and modern data platforms. In this role, you will help drive innovation, improve system reliability, and contribute to delivering exceptional digital experiences for healthcare customers.

In this role, you will:

• Design, develop, and enhance scalable microservices-based applications using Java, Spring Boot, Python, and cloud-native technologies.
• Build and optimize backend services, APIs, and database solutions that support high-volume healthcare payer operations and business workflows.
• Collaborate with cross-functional teams to define technical requirements, estimate effort, and deliver high-value features through Agile development practices.
• Improve application performance, reliability, and scalability by identifying bottlenecks, implementing monitoring solutions, and resolving production issues.
• Contribute to code quality, automated testing, CI/CD practices, and engineering best practices through code reviews, documentation, and continuous improvement initiatives.

Work model:

We strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a remote position open to qualified applicants in Pleasanton,CA. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.

The working arrangements for this role are accurate as of the date of posting. These may change based on the project you are engaged in, as well as evolving business and client requirements. We will always be transparent about role expectations.

Please note: Some roles may require in‑person interviews at Cognizant offices or client locations based on project needs.

What you need to have to be considered

• Strong experience with Java, Spring Boot, Microservices, and REST API development .
• Hands‑on experience with Python and modern software engineering practices.
• Experience with relational and NoSQL databases, including MySQL, PostgreSQL, and MongoDB .
• Experience with cloud and container technologies, including AWS (EC2, EMR, RDS, S3, Athena), Kubernetes, and Docker .
• Experience with CI/CD and software quality tools such as GitLab, CloudWatch, JUnit, and Mockito .
• Experience working within the Healthcare Payer domain.

This will help you stand out

• Experience supporting Capitation platforms, payment models, or healthcare claims-related solutions.
• Experience with Apache Spark and large-scale data processing environments.
• Strong understanding of distributed system design, observability, and microservices architecture.
• Experience improving application performance, scalability, and operational efficiency in cloud environments.
• Ability to mentor team members, influence technical decisions, and drive engineering best practices across distributed teams.

Salary and Other Compensation:

The annual salary for this position is between $81,337 to $141,500 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.

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.