Experience: 10+ years, Java, SpringBoot, Kafka, MongoDB, AWS
Job Description & Details
"The demand for robust, scalable backend systems is soaring as businesses migrate to cloud\u2011native architectures. As a Java Developer specializing in SpringBoot, Kafka, and AWS, you\u2019ll be at the heart of building high\u2011performance services. This role offers a competitive hourly rate and the chance to work on cutting\u2011edge technologies in the Englewood area.\n\n# Job Summary\nWe are seeking an experienced Java Developer to design, develop, and maintain enterprise\u2011grade applications using Java, SpringBoot, Kafka, MongoDB, and AWS services. The candidate will collaborate with cross\u2011functional teams to deliver micro\u2011service solutions, ensure high availability, and optimize performance in a fast\u2011paced environment.\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| SpringBoot | Enables rapid micro\u2011service creation and simplifies configuration | Senior |\n| Kafka | Provides reliable, high\u2011throughput messaging for event\u2011driven architectures | Senior |\n\n# Interview Preparation\n1. **Explain how you would design a SpringBoot microservice that consumes messages from Kafka and persists data to MongoDB.**\n *What the interviewer is looking for*: Understanding of end\u2011to\u2011end flow, proper use of Kafka listeners, error handling, and MongoDB integration.\n2. **What strategies do you use to ensure high availability and fault tolerance in a cloud\u2011based Java application on AWS?**\n *What the interviewer is looking for*: Knowledge of AWS services (e.g., Auto Scaling, ELB, RDS read replicas), circuit breakers, and graceful degradation.\n3. **Describe a performance bottleneck you encountered with Java collections or threading and how you resolved it.**\n *What the interviewer is looking for*: Ability to profile, identify hot spots, and apply appropriate data structures or concurrency utilities.\n4. **How do you secure data in transit and at rest when using Kafka and MongoDB on AWS?**\n *What the interviewer is looking for*: Familiarity with TLS/SSL, IAM roles, encryption\u2011at\u2011rest, and security best practices.\n5. **Walk through your CI/CD pipeline for deploying a SpringBoot service to AWS.**\n *What the interviewer is looking for*: Experience with tools like Jenkins, GitHub Actions, Docker, CloudFormation or Terraform, and blue\u2011green/Canary deployments.\n\n# Resume Optimization\n- Java\n- SpringBoot\n- Kafka\n- MongoDB\n- AWS services\n- Microservices architecture\n- RESTful APIs\n- Cloud deployment\n- CI/CD pipelines\n- Agile methodology\n\n# Application Strategy\nWhen reaching out to the recruiter, send a concise email that starts with a friendly greeting, attach your updated resume, and clearly highlight your top skills that match the role. Make sure to mention related skills you possess, such as Java, SpringBoot, and Kafka, and reference specific projects where you used these technologies to solve real\u2011world problems.\n\n# Career Roadmap\n| Current Role | Typical Experience | Core Focus | Next Position |\n|--------------|--------------------|------------|---------------|\n| Java Developer | 10+ years | Building and optimizing Java micro\u2011services | Senior Java Engineer |\n| Senior Java Engineer | 5\u20117 years as senior | Leading design, mentoring, scaling systems | Lead Engineer |\n| Lead Engineer | 3\u20115 years leading teams | Architecture governance, cross\u2011team collaboration | Engineering Manager |\n| Engineering Manager | 5+ years managing engineers | Strategic planning, stakeholder alignment | Director of Engineering |\n"