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Full Stack Java Developer

Full Stack Java Developer

On site

Hartford, United states

Senior

Freelance

03-02-2026

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Skills

Java NoSQL MongoDB CI/CD Agile methodologies Architecture Databases angular react AWS cloud platforms Agile Spring Spring Boot CI/CD Pipelines Kafka Microservices

Job Specifications

Note: Currently We are unable to Sponsor. We Encourage to apply USC & GC****

Job Title: Sr Java Full Stack Developer (UAF Team)

Location: Hartford, CT, Dallas TX, Chicago, IL | Onsite

Experience: 9+ Years

Must Have: UAF team, Java Microservices, AWS, Lambda, Kafka, MongoDB, etc.

Job Description:

We are seeking a Senior Java Full Stack Developer to join the UAF team, responsible for building end-to-end enterprise applications. The role involves designing scalable Java microservices, developing modern frontend interfaces, and managing data using MongoDB while ensuring high performance and reliability.

Key Responsibilities:

Design and develop backend services using Java, Spring Boot, and Microservices architecture
Develop responsive and user-friendly frontend applications using Angular or React
Build and consume RESTful APIs and integrate frontend with backend services
Design, develop, and optimize NoSQL databases using MongoDB
Ensure application performance, security, and scalability
Collaborate with cross-functional teams in an Agile environment

Required Skills:

9+ years of experience as a Java Full Stack Developer
Strong expertise in Java, Spring Boot, and Microservices
Frontend experience with Angular or React
Hands-on experience with MongoDB
Experience with CI/CD pipelines, cloud platforms, and Agile methodologies

About the Company

RSA Tech is an AI-native engineering partner that helps the world’s leading brands architect the Cognitive Enterprise. By unifying AI models, automation, data platforms, and cloud infrastructure into one intelligent fabric, RSA Tech enables organizations to accelerate innovation, modernize legacy platforms, and launch AI-powered products and experiences at speed. RSA Tech’s product portfolio spans six core solution suites: Cognitive Strategy, Neural Interfaces, Intelligent Products, Adaptive Ecosystems, Predictive Fabrics, a... Know more