Sajitha Gopinathan Pillai Saraswathi Amma

Project: Digital Ticketing & Customer Onboarding Platform – IAG

Technologies: MuleSoft Anypoint Platform, API-Led Connectivity, REST APIs, SOAP, DataWeave, OAuth 2.0, JWT, HTTPS, TLS, SAP, Salesforce, ServiceNow, Amadeus, Oracle, SQL, CI/CD, Agile Scrum, Jira, Confluence

Responsibilities:

• Lead integration work stream for large-scale digital transformation programme delivering integrations across ticket booking, customer onboarding, CRM, ERP, payment gateways, notification services, identity management, and third-party platforms.
• Provide technical leadership for design, development, enhancement, and production support of Java-based integration services while supporting organisation's transition to MuleSoft integration platform.
• Lead technical assessment of existing integration landscape, analysing application dependencies, interface complexity, integration patterns, and migration priorities to support Java-to-MuleSoft transition road map.
• Work closely with Enterprise and Solution Architects to define integration approaches, API strategies, and target integration patterns aligned with programme's digital transformation objectives.
• Drive solution design for new integration requirements, producing high-level and low-level designs and ensuring solutions are scalable, secure, maintainable, and aligned with enterprise standards.
• Contribute to design of API-led integration by identifying suitable System, Process, and Experience APIs and advising on decomposition of existing integrations into reusable services.
• Support definition of API design standards, reusable integration patterns, naming conventions, versioning practices, and documentation guidelines for future MuleSoft implementations.
• Define common integration frameworks covering logging, exception handling, correlation IDs, secure configuration, monitoring, and operational support to promote consistency across integration solutions.
• Work with DevOps teams to establish CI/CD pipelines, deployment automation, testing approaches, and release processes for integration services.
• Lead technical design reviews, code reviews, integration testing, production deployments, and troubleshooting of complex integration issues across multiple business-critical systems.
• Collaborate with Enterprise Architects, Infrastructure, Security, Product Owners, Business Analysts, and application teams to ensure integration solutions meet both business and technical requirements.
• Facilitate architecture discussions, solution reviews, and migration planning workshops, providing technical direction for phased adoption of MuleSoft while maintaining existing Java integrations.
• Manage technical risks, integration dependencies, and cross-system impacts, providing clear technical guidance and progress updates to project stakeholders.
• Mentor and support development teams on integration architecture, API-first design, reusable integration patterns, and best practices across both Java and MuleSoft technologies.

Project: New Distribution Capabilities (NDC) - International Airlines Group (IAG)

Technologies: Spring Boot, Microservices, API Development (SOAP & REST), AWS, Apigee, Mashery, Salesforce, ServiceNow, RDBMS, Jenkins, SVN, Github, Continuous Integration/Automated deployment.

Responsibilities:

• Led Agile Scrum teams of 6–10 engineers, delivering enterprise-scale banking applications across the full Software Development Lifecycle (SDLC).
• Defined solution architecture, high-level and low-level technical designs, API contracts, and integration strategies for distributed microservices platforms.
• Designed, developed, and delivered secure RESTful APIs and enterprise integration services using Java and Spring Boot.
• Architected cloud-ready microservices solutions to modernize legacy applications, improving scalability, maintainability, resilience, and overall system performance.
• Partnered with business stakeholders, solution architects, product owners, and cross-functional teams to translate business requirements into scalable technical solutions.
• Defined enterprise integration patterns, service interactions, API specifications, and messaging strategies for internal and third-party system integrations.
• Led cloud migration initiatives, supporting transformation of on-premises applications to AWS while coordinating deployment, release planning, and production cutovers.
• Established API security standards by implementing OAuth 2.0, JWT authentication, secure API design principles, and best industry practices.
• Performed architecture reviews, design reviews, and code reviews to ensure compliance with engineering standards, security policies, and best practices.
• Championed Test-Driven Development (TDD) and automated testing using JUnit and Mockito, improving code quality and reducing production defects.
• Led root cause analysis and resolution of complex production incidents, improving application stability, system reliability, and incident response times.
• Collaborated closely with Product Owners, Business Analysts, QA teams, DevOps engineers, and infrastructure teams to ensure successful sprint planning, release management, and production deployments.
• Acted as the primary technical lead and escalation point for stakeholders, providing architectural guidance, technical leadership, risk assessment, and solution governance throughout project delivery.
• Mentored and coached development teams on software architecture, clean coding practices, API design, microservices architecture, and engineering best practices.

Project: iFlightNeo – Airline Crew Management & Operations Platform

Technologies: Java, Spring Framework, Spring Boot, Spring REST, Hibernate, Microservices, REST APIs, JMS, Apache ActiveMQ Artemis, Apache Kafka, Oracle, SQL, AngularJS, JavaScript, HTML5, CSS3, Apache Tomcat, AWS

Responsibilities:

• Lead the solution architecture, design, and technical delivery of iFlightNeo, IBS Software's next-generation airline crew, flight, and operations management platform used by multiple global airline customers.
• Defined end-to-end solution architecture, integration patterns, API contracts, and technical standards for distributed enterprise applications supporting airline operations.
• Served as the Solution Architect for the Notification Module, responsible for designing and delivering a scalable event-driven notification platform supporting enterprise-wide messaging and communications.
• Designed an event-driven architecture using JMS, Apache ActiveMQ Artemis, and Apache Kafka to enable reliable asynchronous communication between application modules.
• Architected notification services that consumed business events published by multiple application nodes and generated personalized notifications using configurable, user-defined message templates.
• Designed reusable notification workflows supporting multiple communication channels, enabling timely operational alerts, crew notifications, and business communications.
• Designed and reviewed RESTful APIs and backend services using Java, Spring Boot, and Spring REST to support integration between application modules and external airline systems.
• Collaborated closely with teams responsible for the Web Node, Rule Engine, Portal, and Interface Node to ensure seamless integration and event-driven communication across the platform.
• Worked with product owners, business analysts, architects, QA teams, and developers to translate business requirements into scalable and maintainable technical solutions.
• Led architecture reviews, solution design workshops, code reviews, and established engineering best practices to improve application quality, maintainability, and performance.
• Provided technical leadership to Agile Scrum teams, mentoring developers, resolving technical challenges, and ensuring high-quality deliveries across multiple product releases.

Project: iFlightMobile – Airline Crew Mobile Application

Technologies: Java, Spring Boot, REST APIs, OAuth 2.0, Ionic, Flutter, AngularJS, JavaScript, SQL, AWS, Tomcat

Responsibilities:

• Led end-to-end architecture, design, development, and delivery of hybrid mobile applications for airline crew operations.
• Acted as both Technical Lead and hands-on developer, building backend services using Java and Spring Boot.
• Implemented OAuth 2.0 authentication and authorization for secure mobile and backend services.
• Designed and developed RESTful APIs and mobile backend integration layers supporting real-time crew operations.
• Owned full SDLC including architecture, development, testing coordination, deployment, and production release.
• Delivered full application lifecycle including deployment to Apple App Store and Google Play Store.
• Led Agile teams (5–8 engineers), ensuring timely sprint delivery and production stability.
• Collaborated with global airline stakeholders to define requirements and validate solutions.
• Ensured high performance, scalability, and reliability of mobile backend services.

Project: Crew Management Web Platform

Technologies: Java, Spring, JSP, JavaScript, AJAX, HTML, CSS, REST APIs, Oracle, WebLogic, WebSphere

Responsibilities:

• Developed and enhanced web-based crew management modules supporting airline scheduling and operational processes.
• Developed backend services using Java, Spring, and J2EE technologies based on the provided design.
• Built interactive UI components using JSP, JavaScript, HTML, and AJAX.
• Integrated frontend and backend systems using REST APIs and legacy service interfaces.
• Worked with Oracle databases for query development, data processing, and application optimization.
• Conducted code reviews and mentored junior developers.
• Worked in Agile environment delivering features in iterative releases.

Project: Airline Operations System Enhancements

Technologies: Java, J2EE, Spring, Hibernate, Struts, Oracle, WebLogic, WebSphere

Responsibilities:

• Developed and enhanced core modules for airline operations and crew scheduling systems.
• Built backend business logic using Java and J2EE frameworks.
• Worked on integration between frontend and backend services.
• Participated in full SDLC including requirement analysis, development, testing, and production support.
• Fixed defects, improved performance, and supported production systems.
• Collaborated with senior engineers and architects on system enhancements.