Demo

Senior Full stack Java / AWS

Cognizant
Portsmouth, NH Full Time
POSTED ON 8/24/2026
AVAILABLE BEFORE 9/20/2026
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.

Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting ideas to this role.

Salary : $100,000 - $120,000

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