Hasitha Nanayakkara Email & Phone Number

Sri Lanka

• Experience in implementing / analyzing regulatory requirements adhering to regional open banking specifications including UK (OBIE), AU (CDS, CDR), Berlin (PSD2).• Contributed to compliancy support of OAuth2, OpenID Connect, FAPI specifications on WSO2 Open Banking and base products.• Worked on improving security for API invocation, authentication, and authorization flow. (Mutual-TLS Client Authentication, OCSP/CRL Certificate validations, Certificate-Bound Access Tokens, API throttling policies, Push authorization requests, ID token encryption, Custom authenticators, Adaptive authentication scripts etc.)• Addressed security vulnerabilities, manage security reports, and worked on PEN testing to stay ahead in managing potential security risks.• Played a leadership role as the patch lead for the open banking patch team, providing support to production systems where it is required to troubleshoot, analyze, and deliver hot fixes.• Taken on the responsibility of assisting new team members and interns with the onboarding process.• Experience in engaging overseas (UK, AU, Berlin) discussions with clients.

Colombo, Western Province, Sri Lanka

• Worked on designing and developing open banking data migration tool to migrate customers from older version to the latest version.• Demonstrating solutions to partners and clients through training programs, presentations, demos, documentations, flowcharts, diagrams etc.• Worked on designing and developing, -- Open banking reporting statistics and data analytics requirements. -- Consent admin services, search API and consent management dashboard. -- Consent expiration jobs and consent data purging scripts. -- Docker artifacts and helm charts (Kubernetes) for the WSO2 open banking products. -- Docker pipeline to get release the latest open banking products. -- Onboard test grid pipeline for the open banking UK compliance.

Colombo, Western, Sri Lanka

• Contributed to the development of core products (USSD gateway, sd-wan-manager etc.) for telco signaling platforms.• Developed high-performance REST endpoints using Spring framework for USSD application server.• Worked on developing region-based load balancing framework for a USSD gateway, providing configurable server regions, optimized memory usage.• Worked on developing user management microservices and Integrate SMS-based OTP validation with Keycloak.• Implemented user group and permission-based access control mechanisms for user management microservices.• Implemented a fraud detection framework that led to a 95% increase in accurate fraud message identification.

Sri Lanka

Colombo

I have worked on developing a text classifier based on the per-defined categories, This is to find users interests based on the tweets. Which will then use for recommender systems on booking engines. (Natural Language Processing, Machine Learning, Python, ElasticSearch, Maven, Java)Then I use optimizing techniques of the classifier model and develop python REST APIs for usable classifier model.

Piliyandala

I have worked on Ananke IoT platform and web development (PHP symfony 2.8, JavaScript , Node js, MongoDB). Also I gained the experience on IoT platform development (MQTT , Web-socket, HTTP)

Bsc Engineering (Hons), Electrical And Information Engineeering

Activities and Societies: AIESEC, Gravel club, IEEE, IAS, EIES, IET Second Class Upper Division (GPA: 3.35/4.0)

Java Developer, Computer Software Engineering

Oracle's Certified Professional Java SE Programmer (OCPJP)

Physical Sciences, Gce A/L Physical Sciences Stream, Z Score - 1.9223

Activities and Societies: Science society 2011

Gce O/L 2009

Activities and Societies: Chairman of English literary club in school 2009, Member of student parliament 2008