Software Engineer III

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JSR Tech Consulting
Newark, NJ, United States
  • Finance
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Software Engineer III

Experience: 4-8 years

Tech Focus: Java, Python, AWS, React

Location: Hybrid (3 days a week onsite) in Newark, NJ

Work Authorization: Permanent U.S. work authorization required

Pay Rate: $65 per hour on W2 or $120,000 per year salary

Note:No C2C or IC

We’re looking for a Software Engineer III to join our Retirement Strategies Technology team. This role is ideal for experienced engineers who enjoy building high-quality software, contributing to design decisions, and working closely with cross-functional teams.

You’ll play a key role in developing, enhancing, and supporting modern applications while helping drive technical quality, scalability, and best practices. Industry experience is not required strong engineering experience and a collaborative mindset are what matter most.

What You’ll Do

  • Design, build, test, and support applications using Java, Python, JavaScript, and React

  • Develop cloud-based solutions using AWS

  • Write clean, scalable, and well-documented code following modern engineering standards

  • Collaborate with product owners and tech leads on requirements and technical design

  • Build and maintain REST APIs and backend services

  • Write unit, integration, and automated tests

  • Troubleshoot and resolve complex issues across the application stack

  • Contribute to architectural discussions and technical improvements

  • Support Agile development practices and continuous learning

Required Qualifications

  • Bachelor’s degree in Computer Science, Engineering, or a related field

  • 4-8 years of professional software development experience

  • Strong hands-on experience with:

  • Java and/or Python

  • React and JavaScript

  • AWS core services (compute, deployment, monitoring)

  • Solid understanding of:

  • Object-oriented programming and design patterns

  • Distributed systems and microservices

  • APIs (REST, JSON)

  • Experience with Git and CI/CD workflows

  • Strong problem-solving, communication, and collaboration skills

Nice to Have (Not Required)

  • Experience with Spring Boot, Node.js, MERN/MEAN stack

  • Experience with SQL or NoSQL databases (e.g., MongoDB)

  • Exposure to event streaming tools (e.g., SQS, Kinesis)

  • Familiarity with monitoring and logging tools (e.g., CloudWatch)

  • Knowledge of secure coding practices and application security

  • Experience with DevOps tools (e.g., Jenkins)

  • Financial or insurance industry experience (a plus, not required)

  • Experience with AI-assisted development tools (e.g., GitHub Copilot, Claude)

Why Join

  • Work on impactful, business-critical applications

  • Strong engineering culture with opportunities to grow technically and professionally

  • Collaborative environment where your ideas and contributions matter

  • Access to learning and development that supports both technical and leadership growth

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