Location: Wilmington, DE; Columbus, OH; NJ; Charlotte, NC; Phoenix, AZ; Atlanta, GA; Maryland; Dallas, TX; NYC, NY; Jersey City, NJ; Alpharetta, GA (Day 1 Onsite)
Job Type: Contract
Salary: Competitive
Duration: Long-Term Contract
Experience: 10+ years, Java
Job Description & Details
"The demand for high\u2011performance backend systems is soaring as companies modernize their digital platforms. A senior Java developer who can design microservices, handle real\u2011time data streams, and ensure robust data persistence is more valuable than ever. This contract role offers a chance to work on cutting\u2011edge Java solutions across multiple U.S. hubs.\n\n# Job Summary\nWe are seeking an experienced Sr. Java Developer to build, deploy, and maintain scalable microservice architectures using Java, Spring Boot, Kafka, and MongoDB. The role is on\u2011site (Day\u202f1) and requires a valid passport for background verification. You will collaborate with cross\u2011functional teams, follow best\u2011practice CI/CD pipelines, and contribute to high\u2011availability backend services for enterprise clients.\n\n# Top 3 Critical Skills Table\n| Skill | Why it's critical | Mastery Level |\n|-------|-------------------|--------------|\n| Java | Core language for all backend logic and performance tuning | Senior |\n| Spring Boot | Provides rapid microservice development, configuration, and integration | Senior |\n| Kafka | Enables real\u2011time event streaming and decoupled communication between services | Senior |\n\n# Interview Preparation\n1. **Explain how you would design a microservice architecture for an e\u2011commerce platform using Spring Boot and Kafka.**\n *What the interviewer is looking for:* Understanding of service decomposition, API design, event\u2011driven communication, scalability, and fault tolerance.\n2. **Describe the steps to integrate MongoDB with a Spring Boot application and optimize query performance.**\n *What the interviewer is looking for:* Knowledge of Spring Data MongoDB, indexing strategies, schema design, and performance profiling.\n3. **How do you handle schema evolution in Kafka topics without breaking existing consumers?**\n *What the interviewer is looking for:* Concepts of versioned schemas, Avro/Schema Registry, backward/forward compatibility, and consumer handling.\n4. **What are the differences between W2 and 1099 contracts from a developer\u2019s perspective, and how do they affect tax and benefits?**\n *What the interviewer is looking for:* Awareness of employment classifications, payroll, tax obligations, and compliance.\n5. **Walk through a recent CI/CD pipeline you built for Java microservices, emphasizing testing and deployment safeguards.**\n *What the interviewer is looking for:* Experience with GitHub, automated unit/integration tests, containerization, blue\u2011green or canary releases.\n\n# Resume Optimization\n- Java\n- Spring Boot\n- Kafka\n- Microservices\n- MongoDB\n- GitHub\n- W2 contract\n- 1099 contract\n- Independent Consultant\n- Passport verification\n\n# Application Strategy\nWhen reaching out to the recruiter, send a concise email that starts with a friendly greeting, attach your up\u2011to\u2011date resume, and clearly highlight your top skills that match the role. Make sure to mention related skills you possess, such as Java, Spring Boot, and Kafka, and reference any relevant projects where you built microservice\u2011based backends or used real\u2011time streaming. Emphasize your eligibility for the W2/1099 arrangement and that you can provide a passport number for verification.\n\n# Career Roadmap\n| Current Role | Typical Experience | Core Focus | Next Position |\n|--------------|--------------------|------------|---------------|\n| Sr. Java Developer (Back\u2011End) | 10+ years | Backend microservices, event streaming, data persistence | Lead Java Engineer |\n| Lead Java Engineer | 12\u201315 years | Architecture design, team mentorship, tech strategy | Principal/Architect Engineer |\n| Principal/Architect Engineer | 15+ years | Enterprise\u2011scale systems, cross\u2011domain integration, innovation | Director of Software Engineering |\n"