Senior Full Stack Software Engineer (Java / React)

Senior Full Stack Software Engineer (Java / React)

A variety of soft skills and experience may be required for the following role Please ensure you check the overview below carefully.

Position Details

Type: Contract to Hire

Industry: Leading Financial Firm

Location: Hybrid in Newark, NJ

Pay Rate: $65 - $70 per hour on W2

No C2C

What You Will Do

Build applications using modern design patterns, architectural principles, and current industry coding standards

Develop high-quality, well-documented, and efficient code

Collaborate with product owners to define feature stories and with tech leads on technical design

Write unit tests, integration tests, and functional automation

Research and resolve issues identified by QA or product support

Coach team members and bring input on relevant and emerging technologies

Solve complex problems that require evaluating intangible variables

Work with Python, Java, JavaScript, React, and Spring Boot

Required Qualifications

Bachelor's degree in Computer Science, Engineering, or related experience

6+ years of hands-on experience building enterprise-grade applications with modern Java and JavaScript ecosystems

Strong UI expertise building modern applications with React and JavaScript

Financial or Insurance industry experience

Experience with agentic frameworks and AI-driven development tools (Claude Code, GitHub Copilot, etc.)

Experience with Agile methodologies and Test-Driven Development (TDD)

Excellent problem-solving, communication, and collaboration skills

Technical Skills (Advanced Experience in Several)

Languages: Java, Python, JavaScript, TypeScript; OOP, design patterns, distributed systems

Java Services: Spring, Maven, Microservices, multi-threading, concurrency, parallel processing

Frameworks: React, Spring Boot, Flask, Django, Node.js

Data Stores: PL/SQL, DB2, Oracle, Postgres, Redshift, NoSQL

Data Streaming: SQS, xsgimln Kinesis, AWS MSK, EventBridge

APIs: REST, SOAP, JSON, XML, JDBC, SOA patterns

API Management: Kong, Apigee

Security: Secure coding, DevSecOps, JWT, SSL, SAML 2.0, OpenID Connect, OAuth 2.0

DevOps: GitHub, Bitbucket, Subversion, Jenkins

AWS: Core services across compute, storage, database, IAM, and analytics

Testing: Unit, interface, end-user, and automated testing

Accessibility awareness, monitoring, and logging

Preferred Qualifications

Domain Driven Design (DDD)

AWS cloud-native solution development

Architecture patterns, design, and critical thinking