Senior Full Stack Java Engineer (Spring Boot, React/Angular, AWS/Azure)

Cognizant; Chicago (IL); Hybrid; USD 70,000 - 124,000; 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

Paid Parental Leave

Employee Stock Purchase Plan

Job summary

Cognizant is seeking a Senior Full Stack Java Engineer to join a healthcare technology platform in Chicago. You will build cloud-native applications using Java/Spring Boot on AWS/Azure, and deliver robust backend services with React/Angular frontends.

You’ll work across teams in an Agile environment, leveraging AI-assisted tooling to boost productivity and quality. The role requires deep expertise across backend and frontend, cloud deployments, microservices, and security in regulated healthcare

Qualifications

• 7+ yrs full stack experience with Java/Spring Boot, REST APIs.
• Angular/React, cloud (AWS/Azure).
• Microservices, SQL/NoSQL, CI/CD, and automated testing.
• Strong problem-solving and cross-team collaboration skills.
• Healthcare domain and regulated environments experience.

Responsibilities

• Design, develop, and test full stack features using Java/Spring Boot, REST APIs, Angular/React, and microservices on AWS/Azure, leveraging AI tools for coding, testing, and documentation.
• Collaborate with architects, product owners, business stakeholders, and cross-functional teams to deliver high-quality solutions in an Agile environment.

Skills

Java/Spring Boot

REST APIs

Angular/React

Cloud AWS/Azure

Microservices

SQL/NoSQL

CI/CD

Automated testing

Problem solving

Cross-team collaboration

Job description

Job Summary

We are seeking a Senior Full Stack Java Engineer (Spring Boot, React/Angular, AWS/Azure) to join our team supporting a large-scale healthcare technology platform for Optum. This role is responsible for designing, developing, and enhancing cloud-native applications that deliver secure, scalable, and high-performing solutions in a regulated healthcare environment. The ideal candidate brings strong expertise across both backend and frontend development, cloud technologies, microservices architecture, and modern software engineering practices. Experience leveraging AI-powered development tools such as GitHub Copilot and Microsoft Copilot to improve productivity, quality, and delivery speed is highly valued.

*Please note, this role is not able to offer visa transfer or sponsorship now or in the future*

About the Role

As a Senior Full Stack Java Engineer, you will play a key role in building and modernizing enterprise healthcare applications used by millions of members and providers. You will work across the full technology stack, developing robust backend services with Java and Spring Boot, creating intuitive user experiences with React or Angular, and deploying scalable solutions on AWS and Azure cloud platforms.

In this role, you will collaborate closely with architects, product owners, business stakeholders, and cross-functional engineering teams to deliver high-quality solutions in an Agile environment. You will contribute to system design, API development, cloud deployment strategies, performance optimization, security compliance, and production support while helping drive adoption of AI-assisted engineering practices.

This is an excellent opportunity for a hands-on engineer who enjoys solving complex technical challenges, building scalable microservices, and delivering innovative healthcare solutions while working in a highly collaborative and fast-paced environment.

In This Role, You Will

• Design, develop, and test full stack features using Java/Spring Boot, REST APIs, Angular/React, and microservices on AWS/Azure, leveraging AI tools (Copilot) for coding, testing, and documentation.
• Collaborate with cross-team stakeholders in Agile ceremonies to refine requirements, drive design decisions, resolve dependencies, and support CI/CD releases.

Monitor and optimize application performance, reliability, and security, ensuring compliance with healthcare regulatory standards (HIPAA/FedRAMP).

Work Model

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 requiring 2-3 days a week in a client or Cognizant office in Chicago, IL. 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

Required skills:

• 7+ yrs full stack experience with Java/Spring Boot, REST APIs,
• Angular/React, cloud (AWS/Azure),
• Microservices, SQL/NoSQL, CI/CD, and automated testing.
• Strong problem-solving and cross-team collaboration skills.

Preferred skills:

• Healthcare domain (care management)
• GovCloud/regulatory environments (HIPAA/FedRAMP)
• Event-driven architecture (Kafka)
• Performance optimization
• Configuration-driven platforms.

Experience:

• Healthcare tech.
• Regulated environments
• Enterprise-scale platforms
• Agile delivery.

AI Skills:

• 90%+ weekly usage of enterprise AI tools (Copilot/M365),
• Apply AI for coding, testing, documentation, and workflows,
• Continuously adopt new capabilities to improve delivery quality and velocity.

Salary and Other Compensation:

Applications will be accepted until November 22nd , 2026.

The annual salary for this position is between $70,000 - $123,500 depending on the experience and other qualifications of the successful candidate.

This position is also eligible for Cognizant’s discretionary annual incentive program and stock awards, based on performance and subject to the terms of Cognizant’s applicable plans.

Benefits

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