Senior Java Software Engineer

About the Role:

We are seeking a Senior Software Engineer with deep expertise in the MERN stack and a strong background in Java-based microservices. This is a hands-on leadership role where you ll drive the migration of existing NestJS services to a modern Java microservices architecture.

This is a 100% onsite opportunity in Newark, CA, ideal for someone who thrives in a collaborative, fast-paced environment and is passionate about building scalable, high-performance systems.

Key Responsibilities:

• Lead the design, development, and deployment of scalable software solutions
• Migrate existing NestJS services to Java-based microservices
• Collaborate with cross-functional teams to gather requirements and define architecture
• Conduct code reviews, unit testing, and post-implementation validation
• Ensure high-quality deliverables and adherence to project timelines
• Provide technical mentorship to junior developers

Required Qualifications:

• 12+ years of experience as a Lead Developer
• 10+ years of hands-on experience with React, NestJS, and MongoDB
• Proven track record of leading development teams and managing large-scale projects
• Strong foundation in data structures, algorithms, and software design
• Experience with system troubleshooting, unit testing, and legacy system upgrades
• Bachelor s degree in Engineering or related field (preferred)

Why Apply?

• Take ownership of a high-impact migration project
• Work with cutting-edge technologies in a modern microservices environment
• Join a team that values innovation, autonomy, and technical excellence

Work Schedule:

• Monday to Friday, 40 hours/week
• No overtime expected

Standard equipment provided