<div>Mega Cloud Lab is a unique IT company that helps you migrate websites to mobile apps. We develop cloud-native e-commerce sites/mobile apps with domain-driven designs along with powerful automation. Professional Services- Build for natives and served globally with intuitive cloud implementation. Our Specialty- Migrate website to Mobile app, create e-commerce sites and mobile apps. Custom Solutions: We customize solutions based on the needs of customers. We understand that building trust is important and thus we provide all infrastructure and help to be successful. (to try our services for 1-3 months at our cost).</div>

Mega Cloud Lab

Role: Senior Java Developer Only W2 Candidates
Location: Philadelphia,&nbsp;PA Locals Only
Required Skills &amp; Qualifications
<ul>
<li>Technical Skills</li>
<li>Multithreading &amp; concurrency</li>
<li>Collections, JVM internals, and performance optimization</li>
<li>Hands-on experience with Spring Boot and Microservices architecture</li>
<li>Strong experience with Apache Kafka (producers, consumers, partitions, offset man</li>
<li>Solid understanding of RESTful APIs, API security, and integration patterns</li>
<li>Experience working with SQL Server and/or Oracle</li>
<li>Strong background in cloud-native design principles</li>
</ul>
<ul>
<li>Stateless services</li>
<li>Scalability, resilience, fault tolerance</li>
</ul>
<ul>
<li>Experience with CI/CD pipelines (e.g., Jenkins, GitHub Actions.)</li>
<li>Proficiency with Git and modern development workflows</li>
<li>Working experience with React.js</li>
<li>Understanding of modern JavaScript (ES6+), HTML, and CSS</li>
<li>Familiarity with frontend build tools and component-based architecture</li>
<li>Experience integrating React applications with backend APIs</li>
</ul>
 We are looking for a highly skilled Senior Java Developer with strong backend engineering expertise and working exposure to front-end te on building scalable, cloud-native, event-driven systems, while also collaborating across the full stack to deliver seamless user an The ideal candidate has deep knowledge of Core Java, Spring Boot, Microservices, Kafka, and cloud-native architecture, along with ha to Agentic Al solutions and client onboarding platforms is a strong advantage..
<ul>
<li>You will work on high-performance, distributed systems and collaborate closely with product, architecture, and DevOps teams to Key Responsibilities</li>
<li>Design, develop, and maintain highly scalable microservices using Java and Spring Boot</li>
<li>Build and optimize event-driven architectures using Apache Kafka</li>
<li>Develop cloud-native applications following best practices for scalability, resiliency, and observability</li>
<li>Apply core Java concepts extensively, including multithreading, concurrency, memory management, and performance</li>
<li>Work on client onboarding systems, including integrations, validations, workflows, and data processing (nice to have)</li>
<li>Design and optimize database schemas and queries using SQL Server and/or Oracle</li>
<li>Implement and maintain CI/CD pipelines for automated build, test, and deployment</li>
<li>Ensure high code quality through code reviews, unit/integration testing, and design discussions</li>
<li>Collaborate with cross-functional teams to define technical solutions aligned with business requirements</li>
<li>Troubleshoot production issues and improve system reliability and performance</li>
</ul>
<ul>
<li></li>
</ul>
Nice to Have
<ul>
<li>Domain experience in Client Onboarding, KYC, AML, or Enterprise Integration platforms</li>
<li>Exposure to Docker, Kubernetes, and containerized deployments</li>
<li>Experience with cloud platforms (OCP)</li>
<li>Knowledge of observability tools (logging, monitoring, tracing)</li>
<li>Familiarity with security best practices in distributed systems</li>
</ul>
Soft Skills
<ul>
<li>Strong problem-solving and analytical skills</li>
<li>Excellent communication and cross-team collaboration skills</li>
<li>Ownership mindset with a focus on quality and reliability</li>
</ul>