Senior Full stack Java / AWS

Cognizant; Portsmouth (NH); Remote; USD 100,000 - 120,000; Full time

Benefits offered by this job

Medical/Dental/Vision/Life Insurance

Paid holidays & PTO

401(k) plan and contributions

Long-term/Short-term Disability

Parental Leave

Job summary

Cognizant is seeking a Senior Full Stack Engineer to design, develop, and support cloud-native applications that deliver scalable, high-performing user experiences. You will work with architects, product owners, and developers to build secure solutions across modern cloud environments.

The role emphasizes Java, Spring Boot, AWS, and Kubernetes, with opportunities to work on microservices, batch processing, and REST APIs while adhering to Agile and CI/CD best practices.

Qualifications

• Extensive professional experience with Java (8/11/17+) in enterprise apps.
• Strong Spring Framework and Spring Boot skills including REST services and microservices.
• Cloud-native apps on AWS with services like DynamoDB, S3, IAM and Serverless.
• Good grasp of AWS Kubernetes and event-driven patterns.
• Spring Batch for large-scale batch processing.
• APIs using REST, JSON, and OpenAPI specs.
• IAM and cloud security best practices.
• Observability with Datadog.
• Non-relational DBs, notably DynamoDB.
• Git/GitHub, CI/CD pipelines, automated tests, GitHub Actions.
• Diagnostics: troubleshoot, debug, resolve complex production issues.
• Software development best practices, performance, and scalability.

Responsibilities

• Design, develop, and support cloud-native applications using Java, Spring Boot, AWS, and Kubernetes.
• Build and maintain scalable microservices, serverless apps, and event-driven architectures.
• Develop batch processing with Spring Batch for large-scale data jobs.
• Create and consume RESTful APIs with focus on performance, security, and reliability.
• Troubleshoot production issues through monitoring and root-cause analysis.
• Collaborate with cross-functional teams using Agile and CI/CD.

Skills

Java

Spring Framework

Spring Boot

AWS

Kubernetes

Event-driven architecture

Spring Batch

REST APIs

OpenAPI

IAM

Datadog

Git/GitHub

CI/CD (GitHub Actions)

Automated testing

Troubleshooting

Performance & scalability

Tools

AWS

Kubernetes

DynamoDB

S3

IAM

Job description

Senior Full Stack Engineer (Java/AWS)

About the role

As a Senior Full Stack Engineer, you will make an impact by designing, developing, and supporting scalable cloud-native applications that drive business outcomes and deliver exceptional user experiences. You will be a valued member of the engineering team and work collaboratively with architects, product owners, developers, and business stakeholders to deliver secure, high-performing solutions across modern cloud environments.

This position does not offer visa sponsorship. Candidates must be authorized to work without sponsorship now or in the future, including OPT, CPT, H1B or any other work authorization requiring employer sponsorship.

In this role, you will:

• Design, develop, and support cloud-native applications using Java, Spring Boot, AWS, and Kubernetes technologies.
• Build and maintain scalable microservices, serverless applications, and event-driven architectures.
• Develop batch processing solutions using Spring Batch to support large-scale data processing requirements.
• Create and consume RESTful APIs while ensuring performance, security, scalability, and reliability standards are met.
• Troubleshoot and resolve complex production issues through monitoring, observability, and root-cause analysis.
• Collaborate with cross-functional teams using Agile methodologies and CI/CD best practices to deliver high-quality software solutions.
  

Work model (Remote)

This role requires candidates to be based in the United States, work East Coast business hours, and be available for collaboration with distributed teams and client stakeholders.

We strive to provide flexibility wherever possible. Based on this role's business requirements, this position may require collaboration across distributed teams and alignment with client schedules.

Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.

What you need to have to be considered

• Extensive professional experience developing enterprise applications using Java (8/11/17+).
• Strong hands-on experience with Spring Framework and Spring Boot, including RESTful services, dependency injection, and microservices development.
• Experience building cloud-native applications on AWS, including services such as DynamoDB, S3, IAM, and Serverless technologies.
• Strong understanding of AWS Kubernetes (K8s) cloud technologies and event-driven architecture patterns.
• Experience developing and maintaining Spring Batch applications for large-scale batch processing.
• Experience building and consuming APIs using REST, JSON, and OpenAPI specifications.
• Strong knowledge of AWS Identity and Access Management (IAM) and cloud security best practices.
• Experience with application monitoring and observability tools such as Datadog.
• Strong experience with non-relational databases, particularly DynamoDB.
• Experience with Git/GitHub, CI/CD pipelines, automated testing, and GitHub Actions.
• Demonstrated ability to troubleshoot, debug, and resolve complex production issues.
• Strong understanding of software development best practices, application performance, and scalability considerations.
  

These will help you stand out

• Experience with relational databases such as Oracle, PostgreSQL, or MySQL.
• Experience with Hibernate/JPA.
• Experience implementing automated testing strategies within CI/CD pipelines.
• Experience working with large-scale distributed systems and high-availability applications.
• Experience designing and implementing event-driven architectures in enterprise environments.
  

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.
  

Compensation

The annual salary for this position ranges from $100,000 to $120,000, depending on experience and qualifications. This role is also eligible for Cognizant's discretionary annual incentive program, subject to performance and applicable plan terms.

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.

We're excited to meet people who share our mission and can make an impact in a variety of ways.