Apr 2024 – May 2025 · 1 yr 1 mo · Muharraq, Muharraq Governorate, Bahrain · On-site

• Client: Bahrain Government | Information & eGovernment Authority (iGA)
• Authorization Platforms | Node.js | NestJS | Angular | Security
• Led end-to-end development of a national E-Authorization platform serving 100K+ government users across Bahrain, achieving 99.9% uptime for mission-critical citizen and inter-agency services.
• Designed and implemented government-grade security architecture using OAuth 2.0, JWT, SSL/TLS, and data encryption, ensuring PCI-DSS compliance and secure handling of sensitive citizen data.
• Architected scalable frontend and backend systems using Node.js, NestJS, Angular, and React, enabling high concurrency, extensibility, and integration across multiple government portals.
• Built secure, reusable REST APIs and shared authorization components, supporting mobile applications and National Gateway Infrastructure (NGI) teams, reducing duplicated development effort and accelerating delivery.
• Delivered production-ready dashboards and backend services, optimized for performance, maintainability, and scalability in a regulated government environment.
• Initiated proof-of-concepts (POCs) and led live client demonstrations, validating technical feasibility, refining requirements, and accelerating stakeholder approvals.
• Worked closely with government stakeholders, security teams, and auditors, ensuring solutions met regulatory, compliance, and operational requirements.

Feb 2023 – Mar 2024 · 1 yr 1 mo · On-site

• Client: Commercial Bank of Dubai (CBD)
• Digital Banking | Angular | Java | Spring Boot | Security
• Designed and delivered “Auto Pay Toggle” functionality within the loan management dashboard using Angular, improving self-service capabilities and enhancing user experience for retail banking customers.
• Developed secure, scalable RESTful APIs and backend business logic using Java and Spring Boot, supporting real-time loan and payment workflows in a high-availability banking environment.
• Implemented a secure workflow for sensitive financial data management, including two-step account addition approvals, strong validation rules, and caching mechanisms, reducing unauthorized actions and improving system reliability.
• Integrated robust authentication and authorization mechanisms for retail users, ensuring secure access control and compliance with banking security standards.
• Optimized frontend-backend interactions to improve dashboard responsiveness and transaction processing reliability under concurrent user load.
• Collaborated with cross-functional teams across three countries, coordinating with product owners, QA, and compliance teams to deliver features aligned with regulatory and business requirements.
• Contributed to production-grade releases by participating in code reviews, defect fixes, and deployment readiness for customer-facing digital banking applications.

Apr 2021 – Feb 2023 · 1 yr 10 mos · On-site

• Client: Celcom (Malaysia) | Telecom Systems | Java | APIs | Performance
• Designed and implemented end-to-end PORT IN / PORT OUT systems for Celcom’s telecom infrastructure, defining both low-level and high-level architecture to support high-volume mobile number portability workflows.
• Modernized and upgraded core telecom modules across Billing, KYC, Transactions, and Network Services, integrating secure REST APIs to improve interoperability and system reliability.
• Optimized backend performance through profiling, query tuning, and system-level enhancements, reducing API response times by 30% and improving transaction throughput under peak load.
• Developed scalable backend services to handle high-concurrency telecom operations, ensuring reliability for mission-critical customer provisioning and account workflows.
• Improved system stability and fault tolerance by identifying performance bottlenecks, optimizing memory usage, and enhancing error-handling mechanisms.
• Collaborated with cross-functional teams (network engineers, QA, product owners) to deliver carrier-grade solutions aligned with telecom SLAs and regulatory requirements.
• Mentored junior developers on backend optimization, performance tuning, and clean architecture principles, improving team productivity and code quality.

Sep 2020 – Mar 2021 · 6 mos · Chennai, Tamil Nadu, India · Remote

• Developed a scalable, high-performance media streaming platform supporting multi-participant real-time communication using Kurento Media Server and Web Sockets.
• Designed a low latency streaming architecture to deliver synchronized video/audio streams, ensuring smooth playback and interactive user experience.
• Implemented WebSocket-based bidirectional communication between server and clients for real-time media synchronization.
• Built backend modules in Java and Spring Boot to manage user sessions, stream synchronization, and real-time interactions.
• Designed participant dashboards with integrated live stream recording and playback features.
• Optimized media handling workflows to ensure efficient processing, minimal latency, and high-quality delivery across all participants.

Aug 2018 – Sep 2020 · 2 yrs 1 mo · Thiruvananthapuram, Kerala, India · On-site

• Extracted and transformed data from JDE and TCMIS systems by designing database mappings and interchange processes tailored to project needs.
• Developed and maintained API automation scripts using Cucumber, improving test coverage and ensuring reliable API workflows.
• Leveraged Mule ESB as middleware to enable seamless data routing and integration between enterprise systems.
• Designed and deployed Mule flows to process and deliver results efficiently to downstream systems such as JDA.
• Collaborated with cross-functional teams to integrate APIs and middleware services, ensuring timely project delivery and system performance.

Sep 2016 – Jun 2018 · 1 yr 9 mos · Hyderabad, Telangana, India · On-site

• Healthcare Products | Hospital Management Systems | Full-Stack Development
• Designed and developed core modules for a large-scale Hospital Management System, including Doctor Portal, Patient Center, CRM, and Restaurant Management System (RMS), delivering configurable solutions aligned with evolving healthcare business requirements.
• Built doctor-facing workflows enabling patient prescription management, online consultations, and clinical activity tracking, improving operational efficiency and digital adoption for medical staff.
• Implemented patient-facing features such as online appointment booking, access to medical reports and prescriptions, and video consultations, enhancing patient engagement and self-service capabilities.
• Developed and maintained CRM modules for patient query handling, appointment scheduling, and backend operations, improving response times and operational visibility for hospital administrators.
• Contributed to an integrated online food ordering system within the hospital ecosystem, supporting patients, attendants, and doctors, and enabling seamless service delivery across departments.
• Automated generation and scheduled distribution of Excel and PDF reports, reducing manual reporting effort and supporting data-driven decision-making.
• Designed and optimized relational database schemas, ensuring data consistency, scalability, and performance across multiple hospital subsystems.
• Enhanced RMS frontend using AngularJS, improving UI responsiveness and overall user experience.
• Participated in architectural and technical discussions, analyzing functional requirements and contributing to design decisions for scalable, maintainable healthcare products.