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Java AWS - Backend Developer

00069447392

Job Summary

We are seeking a highly skilled and motivated Java Developer with strong expertise in Amazon Web Services (AWS) Spring Boot and Microservices to join our dynamic engineering team. In this role, you will be responsible for designing, developing, and deploying scalable backend services and microservices that power our core applications. You will collaborate closely with cross-functional teams—including front-end developers, DevOps engineers, and product managers—to deliver robust, high-performance, and cloud-native software solutions.

Key Responsibilities

  • Application Development: Design, build, and maintain high-performing, reliable, and secure Java-based applications and microservices using the Spring Boot framework.
  • Cloud Architecture: Architect, deploy, and maintain cloud-native applications on AWS, utilizing services such as EC2, S3, Lambda, RDS, DynamoDB, API Gateway, and ECS/EKS.
  • API Design: Develop and document robust RESTful APIs and web services for seamless integration with front-end applications and third-party systems.
  • Containerization & Orchestration: Package applications using Docker and manage containerized deployments using Kubernetes. Ensure seamless scaling and self-healing of services.
  • Database Optimization: Design effective data models and optimize database interactions using SQL (e.g., PostgreSQL, MySQL) and NoSQL databases, alongside ORM tools like Hibernate/JPA.
  • Code Quality & Testing: Write clean, modular, and testable code. Implement comprehensive unit, integration, and end-to-end tests using frameworks like JUnit and Mockito.
  • DevOps & CI/CD: Collaborate with operations teams to build and maintain automated CI/CD pipelines (e.g., Jenkins, GitHub Actions, AWS CodePipeline) and support containerization efforts using Docker and Kubernetes.
  • Troubleshooting & Performance: Monitor system health, identify bottlenecks, debug production issues, and implement performance-tuning strategies in distributed systems.
  • Collaboration & Mentorship: Participate actively in Agile/Scrum ceremonies, conduct thorough peer code reviews, and help mentor junior engineering staff.
  • Observability & Monitoring: Implement distributed tracing, central logging, and monitoring (using tools like AWS CloudWatch, Datadog, Prometheus, or Grafana) to ensure system reliability and rapid debugging.

Required Qualifications

  • Experience: 4-12 years of professional software development experience focusing on backend engineering.
  • Core Java: Deep understanding of Java (Version 17 or higher), Object-Oriented Programming (OOP) principles, design patterns, and multithreading.
  • Spring Ecosystem: Extensive hands-on experience with Spring Boot, Spring Core, Spring MVC, Spring Data JPA, and Spring Security.
  • AWS Expertise: Proven experience designing and implementing solutions on AWS. Familiarity with cloud architecture best practices, IAM security, and serverless computing.
  • System Architecture: Strong background in microservices architecture, distributed systems, and API-first design methodologies.
  • Version Control: Proficiency with Git and modern collaborative development workflows.
  • Cloud-Native Mastery: Proven understanding of cloud-native design patterns (e.g., Circuit Breaker, Service Discovery, API Gateway), microservices architecture, and 12-factor methodologies.
  • Containers & Orchestration: Strong practical experience with Docker and Kubernetes (K8s).

Preferred Skills (Nice-to-Have)

  • AWS Certifications (e.g., AWS Certified Developer – Associate, AWS Certified Solutions Architect).
  • Experience with event-driven architecture and message brokers (e.g., Apache Kafka, RabbitMQ, Amazon SQS/SNS).
  • Knowledge of Infrastructure as Code (IaC) tools like Terraform or AWS CloudFormation.
  • Familiarity with modern front-end frameworks (e.g., Angular, React, or Vue.js).
  • Understanding of caching solutions (e.g., Redis, Memcached).

About Cognizant: 
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.

Additional employment information
Compensation 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.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.

Benefits that help you thrive and grow

Our benefits program is built with you in mind—so you can enjoy a fulfilling, balanced and healthy life.

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Financial wellbeing

We regularly review market data to ensure compensation reflects the value you bring. Your benefits extend beyond pay and may include retirement plans, financial education, etc.

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Physical and mental health

We empower you to prioritize your wellbeing through paid time off, flexible working where possible, healthcare plans, counselling, our Mental Health Allyship program and more. 

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Your career, your way

With 350,000+ roles at Cognizant, you’ll have opportunities explore new technologies, industries and locations—and build the skills you need to grow your career.

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Real-world impact

Think about the biggest brands you rely on. Chances are, they rely on us to help strengthen their business. Here, you’ll turn bold ideas into solutions that improve lives everywhere.

Your path to Cognizant

Here’s what you can expect from our hiring process. Please keep in mind that it may vary by role and location. Explore our FAQs to learn more.

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Step 1: Apply to the right opportunity

Find an open role that matches your skills and career goals and show us why you’re the person for the job. Don’t see the right opportunity? Consider joining our Talent Community.

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Step 2: Connect with your recruiter

If one of our recruiters sees a fit, they’ll set up a short intro call to learn more about you and how your experiences and skills match the role.

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Step 3: Show off your skills

If you and our team would like to continue the process, you’ll interview with our hiring team. Some roles may also require technical assessments and/or client interviews.

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Step 4: Decision time

Our team will then review each candidates’ potential to succeed in the role. This step may take some time because we want to find the right fit for both you and us—but you can count on us to keep you updated.

EMEA Alin
Over my 11-year Cognizant career, I’ve grown from being a Jr. Developer to an Engineering Director. With support from Cognizant and my mentors, I’ve also explored mobile development, data and AI. The opportunities here are endless.
Alin Turcu Engineering Director
CAN Brigitte
Cognizant is great for those wanting to make the world a better place, as we create solutions with top technology partners to address complex problems for our clients.
Brigitte Roy Director of Strategy Alliances
2
Cognizant offers me more than a job; it offers a community. We support each other, collaborate across borders and celebrate wins together. If you’re looking for a culture that values flexibility, diversity and growth, this is the place to be.
Laura Reynaud Lead Counsel
EMEA Elena
My managers and mentors have always been there to guide me, challenge me and give me the space and confidence to grow. When you have the right people around you, work becomes fun.
Elena Becerril Engagement Delivery Lead

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