Senior Full Stack Software Engineer (Newark)

Senior Full Stack Software Engineer

Contract-to-Hire Opportunity with a Major Investment Firm

Location: Newark, NJ (Hybrid - 3 Days/Week Onsite)

Duration: Contract-to-Hire

Pay Rate: Up to $65/hour W2 (Based on Experience)

Employment Type: W2 Only (No C2C)

Candidates: Local Candidates Preferred

We are seeking an experienced Senior Full Stack Software Engineer to join a growing technology team within a leading investment management organization. This role offers the opportunity to build enterprise-scale, cloud-native applications while working with modern technologies including Java, React, Spring Boot, AWS, and AI-assisted development tools.

The ideal candidate will have a strong background in full stack application development, cloud technologies, and financial services, along with experience building scalable, secure, and high-performing enterprise applications.

What You'll Do

• Design, develop, and maintain enterprise-grade applications using modern software engineering best practices
• Build high-quality, well-documented, and maintainable code following established coding standards
• Collaborate with Product Owners, Technical Leads, and cross-functional teams to design and deliver scalable business solutions
• Develop RESTful APIs, microservices, and cloud-native applications
• Write unit tests, integration tests, and automated test suites
• Troubleshoot production issues and implement long-term solutions
• Participate in architecture discussions and contribute to application design decisions
• Mentor team members and promote engineering best practices
• Work with modern DevOps tools and CI/CD pipelines to support continuous delivery
• Build secure, reliable, and scalable applications utilizing AWS cloud services
• Leverage AI-assisted development tools to improve engineering productivity and software quality

Required Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience)
• 6+ years of hands-on experience building enterprise software applications
• Strong experience working within Agile development environments
• Experience with Test-Driven Development (TDD)
• Excellent analytical, communication, collaboration, and problem-solving skills
• Ability to quickly learn new technologies and solve complex technical challenges
• Financial Services or Insurance industry experience is required

Technical Skills

• Strong programming experience with Java, Python, JavaScript, TypeScript, and C#
• Extensive experience building Java applications using Spring Framework, Spring Boot, Maven, and Microservices
• Experience with distributed systems, object-oriented design, multithreading, concurrency, and design patterns
• Front-end development experience with React
• Experience with Node.js, Flask, and Django
• Strong knowledge of relational and NoSQL databases including Oracle, PostgreSQL, DB2, Redshift, and PL/SQL
• Experience with event-driven and streaming technologies including Amazon SQS, Kinesis, AWS MSK, and EventBridge
• Experience designing, developing, and consuming REST APIs and Service-Oriented Architecture (SOA)
• Experience with API Management platforms such as Kong and Apigee
• Experience with automated testing frameworks and software quality practices
• Understanding of accessibility standards and secure software development
• Strong knowledge of application security including authentication, authorization, JWT, OAuth 2.0, OpenID Connect, SAML 2.0, SSL, encryption, and DevSecOps
• Experience using GitHub, Bitbucket, Jenkins, and modern DevOps practices
• Knowledge of application monitoring, logging, and Software Development Lifecycle (SDLC) best practices
• Hands-on experience with AWS cloud services across compute, storage, databases, IAM, analytics, and application services

Preferred Qualifications

• Strong experience with Domain-Driven Design (DDD)
• Experience building AWS cloud-native applications
• Strong understanding of modern software architecture patterns
• Excellent system design and critical thinking skills
• Experience with AI-assisted development tools and agentic frameworks such as Claude Code, GitHub Copilot, or similar platforms

If you're a Senior Full Stack Engineer looking to work on enterprise-scale applications while leveraging modern cloud technologies and AI-assisted software development, we'd love to hear from you.