Tata Consultancy Services

Java Full stack Engineer

Tata Consultancy Services • $100K — $130K *
Parsippany, NJ 07054In-Person
Information Technology
5 - 7 years of experience
Today
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Job Overview by Ladders

Qualifications

  • 6+ years of full stack development experience with a focus on Java and Spring Boot for backend microservices.
  • Proficient in frontend technologies such as React.js or Angular for building responsive web applications.
  • Strong understanding of REST API design, including versioning and documentation best practices.
  • Hands-on experience with AWS services relevant to cloud migration, including EC2, Lambda, and RDS/Aurora.
  • Proficiency in SQL and experience with both relational and NoSQL databases in cloud-native designs.
  • Knowledge of microservices architecture, including service decomposition and API-first development principles.
  • Experience with containerization tools like Docker and deployment on AWS ECS or EKS.

Responsibilities

  • Build cloud-native applications to replace current mainframe business functions with ownership from design to deployment.
  • Develop backend services in Java and Spring Boot equivalent to legacy COBOL programs, collaborating closely with subject matter experts.
  • Create frontend web UIs using React.js or Angular to transition users from legacy systems.
  • Design and implement secure, well-documented REST APIs that facilitate business functionality migration.
  • Integrate services with AWS managed databases and messaging systems to leverage cloud capabilities effectively.
  • Work alongside Data Engineers to validate and ensure correct behavior of migrated datasets in the new applications.
  • Write comprehensive unit and integration tests as part of the development cycle, ensuring high code quality standards.

Benefits

  • Opportunities for professional development and continuous learning on cutting-edge technologies.
  • Collaborative work environment that emphasizes team dynamics and learning from peers.
  • Involvement in a significant migration project offering substantial impact on business operations.
Full Job Description
Must Have Technical/Functional Skills

  • 6+ years of hands-on full stack development experience; strong proficiency in Java with Spring Boot for backend microservices development this is the primary backend stack for the migration program
  • Solid frontend development skills in React.js or Angular ability to build responsive, accessible web UIs that replace legacy mainframe screens and green-screen interfaces end users currently interact with
  • Strong REST API design and development skills ability to design clean, versioned, well-documented APIs that serve as the interface between the new cloud platform and frontend applications
  • Hands-on experience with AWS cloud services used in migration programs EC2, Lambda, API Gateway, RDS/Aurora, DynamoDB, S3, SQS, SNS, Cognito and understanding of when to use each
  • Proficiency in SQL for relational databases; experience working with both relational (RDS/Aurora, PostgreSQL) and NoSQL (DynamoDB) databases in cloud-native application design
  • Experience with microservices architecture patterns service decomposition, event-driven design, API-first development, and 12-factor application principles for cloud-native workloads
  • Familiarity with containerization using Docker and deployment via AWS ECS or EKS (Kubernetes) understanding of how to package, deploy, and manage services in containers
  • Hands-on CI/CD experience building and maintaining pipelines using Jenkins, GitHub Actions, or AWS CodePipeline for automated build, test, and deployment across environments
  • Experience with unit testing and integration testing frameworks JUnit, Mockito, Jest, or React Testing Library and commitment to maintaining meaningful test coverage
  • Ability to understand legacy mainframe data structures and business logic (with SME guidance) and translate them into equivalent cloud-native application behavior the core skill of this migration program


Roles & Responsibilities

  • Build the cloud-native replacement applications that take over the business functions currently running on the mainframe this is the core job; each engineer owns specific modules from design through deployment
  • Develop backend microservices using Java and Spring Boot that implement business logic equivalent to existing COBOL programs working closely with SMEs to understand what the legacy code does and ensuring the new service does it correctly
  • Build frontend web UIs using React.js or Angular that replace legacy mainframe screens designing workflows that are intuitive for business users who are transitioning from character-based interfaces
  • Design and build REST APIs that expose migrated business functionality ensure APIs are secure, versioned, documented in OpenAPI/Swagger, and aligned with the integration contracts agreed with other workstream teams
  • Integrate new services with AWS managed services RDS/Aurora for relational data, DynamoDB for high-throughput use cases, SQS/SNS for async messaging, and Lambda for serverless processing
  • Work with the Data Engineer to consume migrated data from AWS target stores understand source data mappings, validate data in the new schema, and ensure application behavior is correct against migrated datasets
  • Write comprehensive unit and integration tests for all delivered code not as an afterthought but as part of the Definition of Done for every story
  • Participate actively in all sprint ceremonies daily stand-up, sprint planning, backlog refinement, and retrospective with clear daily updates and early escalation of technical blockers
  • Conduct and receive peer code reviews enforce team coding standards, flag design issues, and treat every review as both a quality gate and a learning opportunity
  • Maintain technical documentation as a sprint deliverable API specs, data flow diagrams, deployment notes, and known issues so the program does not accumulate undocumented knowledge debt


Salary Range-$100,000-$130,000 a year

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About Tata Consultancy Services

Tata Consultancy Services (TCS) is an Indian multinational information technology (IT) services and consulting company, headquartered in Mumbai, Maharashtra, India. It is a subsidiary of Tata Group and operates in 149 locations across 46 countries. TCS is the largest Indian company by market capitalization and is ranked 11th on the Forbes Global 2000 list of the world's biggest public companies. TCS is also the second-largest IT services company in the world by revenue and the largest employer of women in India. The company provides services in areas including IT, consulting, and business solutions.
Learn more about Tata Consultancy Services
Size
469,261 employees
Industry
Information Technology
* Ladders Estimates

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