Abhishek Mallick
Technical Lead @Ascendion
Signup · Get unlimited contacts
WORK HISTORY
Technical Lead @Ascendion
London, GB
Open Banking Platform – TSB BankLed the upgrade of TSB’s Open Banking platform, modernizing API specs, consent flows, and onboarding—cutting onboarding time by 30% and reducing integration issues by 25%.Architected and deployed a hybrid API Gateway strategy using Kong Konnect & self-managed gateways on AWS EKS, with mTLS, OAuth2, OIDC, JWT validation, and custom Lua plugins for OBIE trust validation and token introspection—reducing dependency failures by 35%.Integrated Ping Identity (PingOne, PingAccess, PingDirectory) to automate Dynamic Client Registration, enforce consent-driven OAuth2 policies.Delivered Java/Spring Boot microservices (accounts, payments, transactions) for 5M+ customers, ensuring security, scalability, and high availability.Designed and implemented secure MongoDB Atlas with AWS PrivateLink and Secrets Manager for consent storage, eliminating credential leakage risks.Built TSB’s developer portal & sandbox for TPPs, enabling secure integration testing, self-service onboarding, and API analytics.Collaborated with Akamai for CDN & edge security, boosting API performance and ensuring robust DDoS protection.
EDUCATION
Rajiv Gandhi Prodyogiki Vishwavidyalaya
Bachelor of Engineering - BE
SKILLS
ABOUT ABHISHEK MALLICK
Seasoned Technology Leader with 14+ years of experience driving digital transformation…
This profile is compiled from publicly available professional sources. Unifers is not affiliated with or endorsed by LinkedIn. Request removal of this profile.