Java Full Stack Engineer

Hi,

Momento USA is a global technology consulting, talent acquisition and creative development firm that addresses clients most pressing needs and challenges.

We currently looking for Java Full Stack Engineer our client location based on - New Jeresy. Please see the job description below for your reference.

Full Stack Engineer

Location:- New Jersey

Fulltime opportunity

Overview:

We are seeking a hands-on Full Stack Engineer to join a team of 8 plus experienced full stack engineers, supporting both new development and ongoing maintenance of a critical, external facing training application used by lenders and trainers within the capital markets space.
This role is heavily development focused and spans frontend UI, backend services, test automation, and AWS cloud infrastructure, with a strong emphasis on quality, scalability, and production stability.

Key Responsibilities:

• Development & Engineering
• Contribute to both new feature development and application maintenance, working collaboratively within a team of 7 full stack engineers
• Design, develop, and enhance full stack applications using Java, AWS, and Angular
• Build and maintain external facing web applications with a focus on performance, usability, and reliability
• Develop front end/UI components for training applications used by lenders and trainers
• Implement and maintain backend Java services supporting user workflows, data processing, and integrations
• Participate in GitHub based development workflows, including branching, pull requests, and code review
• Leverage GitHub Copilot / GHCP to improve developer productivity and code quality (strong plus)

Testing, Automation & Quality

• Act as an engineer of test, responsible for validating user stories end to end
• Build and maintain automated tests across both UI and backend layers
• Ensure quality coverage for new development, enhancements, and production fixes
• Collaborate with product and engineering partners to ensure requirements are fully tested and delivered

Required Skills & Experience:

• OOPs, Collections, Streams, Exception Handling, JVM Concepts, JDK Version 8/17/21 Features
• Advance Java: Design Patterns, Multithreading, Functional and Reactive Programming"
• "Spring Boot: Dependency Injection, REST APIs, Spring Security (JWT) , JPA/Hibernate, Transaction Management, Actuator, Configuration Management, Springboot Input Validation (Controller Layer), Global Exception handling (Controller Advice Classes), Spring Boot Annotations, Rest Template, Webclient
• Microservices Architecture: Service Decomposition, API Design, Resiliency Patterns, Circuit Breaker, Distributed Transactions, Scalability, Observability"
• Components, Services, RxJS, State Management, Routing, API Integration, UI Performance Optimization
• "AWS Cloud Services: EC2, S3, RDS, Lambda, API Gateway, SNS, SQS, IAM, AKS, ECS, AutoScaling, CloudWatch, Networking Concepts
• AWS-Native Architecture: Serverless Design, Event-Driven Patterns, High Availability, Scalability, Cost Optimization, Security Best Practices"
• "Kafka & Messaging : Producers/Consumers, Topic Design, Consumer Groups, Event Streaming, Error Handling, Performance Tuning
• Docker & Kubernetes : Containerization, Image Optimization, Deployments, Services, Ingress, Scaling, Troubleshooting
• CI/CD & DevOps : Git, GitHub Actions, Jenkins/Azure DevOps, Build Automation, Deployment Pipelines, Release Strategy : REST API & Integration API Standards, API Specification, OpenAPI/Swagger, Authentication, Authorization, Versioning, Contract-First Design"
• AI-Assisted Development (e.g. AI Github Copilot), Code Generation, Unit Test Generation, Code Quality Improvements, Productivity Gains
• Playwright, LambdaTest, UI automation, Test execution, regression testing, CI/CD test integration
• Design and Architecture
• Problem Solving
• Stakeholder Communication, Problem Solving, Ownership, Collaboration, Agile Delivery

• Nice to Have:

Experience leveraging GitHub Copilot / GHVP

Note: Momento USA is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.

Thanks,

Divya S.

Sr. Technical Recruiter

Email: