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