Rajkumar Rajaratnam

Experienced Senior Technical Lead at WSO2 Inc with a decade of expertise in Middleware technologies, complemented by a strong foundation in Software Design and Development, Security, Service Oriented Architecture, and Microservices Architecture.

Demonstrated success in collaborating with major WSO2 clients to design, implement, and deploy Enterprise Integration, API Management, and Microservices platforms using WSO2 middleware products.

Consistently delivers high-quality middleware solutions for esteemed clients across the US, UK, and New Zealand, including Seminole HardRock, Wells Fargo, Motorola, Fidelity, Cisco, Transport for London, and the Ministry of Business, Innovation and Employment in New Zealand.

Actively seeking Integration/API Architect and Lead Developer roles

Senior Technical Lead (WSO2 Inc, USA | Dec 2017 - Present)

• Leading a 15-member middleware development team, overseeing a large-scale project for a prominent WSO2 client.
• Providing on-site architecture and development consultancy services for WSO2 customers, enabling them to implement Enterprise Integration, API Management, and Microservices platforms using WSO2 middleware products.
• Successfully architected, developed, and deployed middleware solutions for key clients in the US, including Seminole HardRock, Wells Fargo, Motorola, and Fidelity.
• Shaping the technical direction and roadmaps of WSO2 products in response to market trends and customer feedback.
• Key Technologies Used: WSO2 middleware products (WSO2 EI/ESB/APIM/IS/DSS/Ballerina), Azure Service Bus, Kaa, Redis, Hashicorp Vault, Salesforce, Twilio, Docker, Kubernetes.

Senior Software Engineer (WSO2 Lanka (Pvt) Ltd, Sri Lanka | March 2014 - Nov 2017)

• Contributed to the development of WSO2 Private PaaS, offering on-premise API management, application, integration, data, identity, governance, and analytics Platform as a Service.
• Provided architecture and development consultancy services to customers in the UK and NZ, including Transport for London and the Ministry of Business, Innovation and Employment New Zealand.
• Offered technical support to customers and authored articles about WSO2 middleware products.
• Key Technologies Used: Java, Puppet, Docker, Kubernetes, Web Services, OAuth 2.0, SAML 2.0, WSO2 middleware products.

B.Sc Engineering (Hons) in Computer Science and Engineering, University of Moratuwa, Sri Lanka | March 2014