Senior Java Full-Stack Lead — Cloud-Native AWS

Cognizant; Plano (TX); On-site; USD 65,000 - 125,000; 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 hiring a Lead Java Full Stack Engineer to design, build, and support secure, scalable cloud-native apps for a financial-services client. You will lead technical delivery across Java, Spring Boot, GraphQL, REST APIs, and AWS services, driving architecture reviews and implementing secure patterns.

The role emphasizes production-grade code, observability, and governance, with strong focus on reliability, performance, and cost efficiency.

Qualifications

• Advanced hands-on expertise in Java and Spring Boot, including API development and performance tuning.
• Strong GraphQL experience with schema design, resolvers, and API governance.
• Strong REST API experience, including contract design and backward compatibility.
• OIDC/OAuth 2.0 with JWTs and least-privilege access controls.
• AWS cloud-native design, IAM, networking, logs, metrics, and alarms.
• Aurora PostgreSQL with SQL optimization and migrations.
• Kafka/MSK familiarity, topics, partitions, and retries.
• Git, CI/CD, and automated testing across unit to end-to-end.

Responsibilities

• Lead end-to-end delivery of full-stack solutions using Java, Spring Boot, GraphQL, REST, and AWS services.
• Drive architecture reviews, including service boundaries, API contracts, and data models.
• Develop secure, production-grade code and establish engineering standards.
• Build scalable services with focus on reliability, performance, and cost awareness.
• Implement authentication/authorization using OIDC, OAuth 2.0, and JWTs.
• Establish observability with logging, metrics, tracing, and runbooks.
• Evaluate internal/vendor solutions for fit, security, and operability.

Skills

Java

Spring Boot

GraphQL

REST API design

AWS

PostgreSQL

Kafka

Git

CI/CD

Testing

Code assistants

Tools

AWS

Aurora PostgreSQL

Neptune

Kafka

Git

Job description

Cognizant is hiring a Lead Java Full Stack Engineer to design, build, and support secure, scalable cloud-native apps for a financial-services client. You will lead technical delivery across Java, Spring Boot, GraphQL, REST APIs, and AWS services, driving architecture reviews and implementing secure patterns.

The role emphasizes production-grade code, observability, and governance, with strong focus on reliability, performance, and cost efficiency.