Senior Java Developer

Role Overview We are seeking an experienced Senior Java Developer to design, develop, and maintain scalable, high-performance enterprise applications. The ideal candidate will have strong expertise in Java, Spring Boot, microservices architecture, and experience working in mission-critical systems such as financial, government, or large-scale digital platforms. The role involves technical leadership, solution design, hands-on development, and collaboration with cross-functional teams across development, QA, DevOps, and stakeholders. Key Responsibilities 1. Application Development & Design • Design, develop, and maintain robust, scalable, and secure Java-based applications. • Build microservices using Spring Boot, Spring Cloud, and RESTful APIs. • Develop reusable components and frameworks following best practices. • Ensure high performance, availability, and responsiveness of applications. 2. Technical Leadership • Provide technical guidance and mentorship to junior and mid-level developers. • Review code and ensure adherence to coding standards, security practices, and design principles. • Drive design discussions and propose optimal architecture solutions. 3. System Architecture & Integration • Design and implement microservices architecture, event-driven systems, and API integrations. • Integrate with external systems such as payment gateways, banking APIs, or government systems. • Ensure secure data exchange and compliance with industry standards. 4. Performance & Optimization • Analyze and optimize application performance, including memory management and concurrency. • Handle large-scale transaction processing (batch and real-time). • Identify bottlenecks and implement solutions for performance tuning. 5. Database & Backend Management • Work with relational databases such as Oracle. 6. DevOps & Deployment • Collaborate with DevOps teams for CI/CD pipeline implementation (e.g., Azure DevOps, Jenkins). • Manage deployments across development, SIT, UAT, and production environments. • Knowledge on Docker / Kubernetes will be added advantage. 7 . Security & Compliance • Implement secure coding practices aligned with OWASP and enterprise security guidelines. • Ensure compliance with PCI-DSS (for payment systems) or relevant regulatory standards. • Manage authentication and authorization mechanisms (OAuth2, JWT). 9. Stakeholder & Team Collaboration • Work closely with business analysts, product owners, and stakeholders to clarify requirements. • Participate in Agile ceremonies (Scrum, sprint planning, retrospectives). • Provide clear technical documentation and status updates. Required Skills & Qualifications Technical Skills • Strong proficiency in Java (Java 8/11/17+) • Hands-on experience with: • • Spring Framework (Spring Boot, Spring MVC, Spring Security) • RESTful API development & microservices architecture • Hibernate/JPA • Strong knowledge of: • • Object-Oriented Programming (OOP) DevOps & Tools • Experience with: • • CI/CD tools (Azure DevOps, Jenkins) • Version control (Git) • Build tools (Maven, Gradle) • Familiarity with: • • Docker & Kubernetes Integration Experience • Experience integrating with: • • Payment gateways (Stripe, PayNow, Apple Pay, etc.) • Government or enterprise APIs • External vendor systems Preferred Qualifications • Experience in financial systems, billing platforms, or payment processing systems • Exposure to cloud platforms (Azure/AWS/GCP) • Experience with event-driven architecture • Familiarity with API security standards • Certification in Java / Cloud / Architecture (optional but advantageous) Soft Skills • Strong analytical and problem-solving abilities • Excellent communication and stakeholder management skills • Ability to work in fast-paced, high-pressure environments • Leadership and mentoring capabilities • Detail-oriented with strong ownership mindset Key Deliverables • High-quality, scalable, and secure application modules • Well-documented system design and architecture • Successful delivery of features within project timelines • Stable and optimized production deployments • Continuous improvement in system performance and reliability Nice-to-Have • Experience in Oracle SOA / Integration platforms • Experience working in government or regulated environments • Exposure to Agile + DevSecOps practices