Java L2/L3 Support Developer

Cognizant; Hartford (CT); Hybrid; USD 60,000 - 90,000; Full time

Benefits offered by this job

Medical, Dental, Vision, and Life

Paid Parental Leave

Short-Term and Long-Term Disability

401(k) Plan with Company Contributions

Paid Holidays and PTO

Employee Stock Purchase Plan

EAP

Wellbeing and Mental Health Programs

Tuition Reimbursement

Career Development and Certification

Job summary

Cognizant in Hartford, CT is seeking a Java L2/L3 Support Developer to ensure stability and resilience of healthcare applications built on Java microservices. You will lead incident triage, monitor health with Splunk, Grafana, and AppDynamics, and coordinate cross-functional teams to drive improvements.

Hybrid work setup with client office attendance; visa sponsorship is not offered. The role requires 6+ years of enterprise Java experience, Docker/Kubernetes, cloud platforms (Azure or Google),

Qualifications

• 6+ years of hands-on experience supporting enterprise Java applications built with Spring Boot, microservices, REST APIs, and API gateways.
• Proven experience with incident, problem, change, release, production-checkout, and break-fix processes in an ITIL-aligned support environment.
• Hands-on experience with Docker and Kubernetes or OpenShift, cloud platforms such as Azure or Google Cloud, and CI/CD tools including Jenkins, GitHub Actions, or Azure DevOps.
• Working knowledge of SQL and NoSQL databases, Kafka, and production troubleshooting across integrated application environments.
• Experience using observability platforms such as Splunk, Grafana, AppDynamics, and Prometheus, together with Python, PowerShell, or similar.

Responsibilities

• Work in L2/L3 production support for OneCM Java microservices, maintaining application availability and adherence to service-level commitments.
• Own critical incident triage and resolution, lead major-incident bridge calls, complete root-cause analyses, and drive permanent corrective and preventive actions.
• Monitor application health, logs, integrations, and performance using Splunk, Grafana, AppDynamics, and Prometheus; provide actionable service metrics and trend reporting.
• Manage deployment validation, configuration, troubleshooting, smoke testing, and rollback planning across Kubernetes, OpenShift, and other container platforms.
• Guide distributed support engineers and partner with development, DevOps, infrastructure, database, and business teams to improve service quality, documentation, automation, and operational readiness.

Skills

Spring Boot

Microservices

REST APIs

API gateways

ITIL processes

Docker

Kubernetes/OpenShift

Azure

Google Cloud

Jenkins

GitHub Actions

Azure DevOps

SQL

NoSQL

Kafka

Splunk

Grafana

AppDynamics

Prometheus

Python

PowerShell

Tools

Docker

Kubernetes

OpenShift

Jenkins

GitHub Actions

Azure DevOps

Prometheus

Grafana

AppDynamics

PowerShell

Job description

About the Role

As a Java L2/L3 Support Developer, you will make an impact by ensuring the stability, resilience, and continuous improvement of business-critical healthcare applications built on modern Java microservices. You will be a valued member of the Application Development and Maintenance team and work collaboratively with development, DevOps, infrastructure, database, business, and distributed support teams.

In this role, you will

• Work in L2/L3 production support for OneCM Java microservices, maintaining application availability and adherence to service-level commitments.
• Own critical incident triage and resolution, lead major-incident bridge calls, complete root-cause analyses, and drive permanent corrective and preventive actions.
• Monitor application health, logs, integrations, and performance using Splunk, Grafana, AppDynamics, and Prometheus; provide actionable service metrics and trend reporting.
• Manage deployment validation, configuration, troubleshooting, smoke testing, and rollback planning across Kubernetes, OpenShift, and other container platforms.
• Guide distributed support engineers and partner with development, DevOps, infrastructure, database, and business teams to improve service quality, documentation, automation, and operational readiness.

Work Model:

Hybrid

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 in Hartford, CT, requiring attendance at a client or Cognizant office.

Please note that Cognizant cannot provide visa sponsorship now or in the future.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured, we will always be clear about role expectations.

What you need to have to be considered

• 6+ year of strong hands-on experience supporting enterprise Java applications built with Spring Boot, microservices, REST APIs, and API gateways.
• Proven experience with incident, problem, change, release, production-checkout, and break-fix processes in an ITIL-aligned support environment.
• Hands-on experience with Docker and Kubernetes or OpenShift, cloud platforms such as Azure or Google Cloud, and CI/CD tools including Jenkins, GitHub Actions, or Azure DevOps.
• Working knowledge of SQL and NoSQL databases, Kafka, and production troubleshooting across integrated application environments.
• Experience using observability platforms such as Splunk, Grafana, AppDynamics, and Prometheus, together with Python, PowerShell, or similar.

These will help you stand out

• Healthcare, clinical, or care-management application experience.
• Experience leading onshore and offshore production-support teams and mentoring support engineers.
• Practical use of AI-assisted tools such as GitHub Copilot, Microsoft Copilot, Claude, GPT, Gemini, or OpenAI solutions to enhance code analysis, automation, and support productivity.
• Experience creating self-healing scripts, automated alerts, runbooks, knowledge articles, and operational dashboards.

We're excited to meet people who share our mission and can make an impact in a variety of ways. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.

Applications will be accepted until October 5th, 2026

Salary and Other Compensation

The annual salary for this position is $60,000 - $90,000, depending on experience, qualifications, geographic location, and other job-related factors.

In addition to salary, this role is eligible for Cognizant's discretionary annual incentive program, subject to individual and company performance.

Benefits

• Medical, Dental, Vision, and Life Insurance.
• Paid Parental Leave.
• Short-Term and Long-Term Disability Coverage.
• 401(k) Plan with Company Contributions.
• Paid Holidays and Paid Time Off (PTO).
• Employee Stock Purchase Plan (where applicable).
• Employee Assistance Program (EAP).
• Wellbeing and Mental Health Programs.
• Tuition Reimbursement and Learning Resources.
• Career Development and Certification Opportunities.