Dennis Chacko
Senior Software Architect at Signet Jewelers
Bloomingdale, Illinois, United States
Summary
👤
Senior🎓
Top SchoolDennis Chacko is a Senior Software Architect with over 8 years of focused experience designing Java-based, cloud-native solutions and leading architecture for large enterprises. He specializes in scalable, event-driven microservices and zero-trust REST APIs, with deep hands-on knowledge of AWS patterns like API Gateway, Lambda, and single-table DynamoDB design. Dennis has a track record of translating complex business requirements into C4-modeled high- and low-level designs while coordinating cross-continental teams and mentoring engineers on best practices. His recent roles include shaping SaaS, tenant-agnostic platforms and SSO integrations (SAML2.0/OIDC) at Amwell and now guiding architecture at Signet Jewelers. Beyond architecture, he brings practical delivery experience spanning integrations, privacy initiatives (CCPA), and multi-team orchestration—skills honed over two decades of Java/JEE consulting and product work.
8 years of coding experience
17 years of employment as a software developer
Masters in Computer Applications Computer Science, Masters in Computer Applications Computer Science at Goa UniversityBachelor Of Science Physics, Bachelor Of Science Physics at University of Mumbai
Hindi, Marathi, English
Github Skills (42)
client-credentials9
secured7
spring-boot6
credentials5
rest-api5
api5
angular-template5
keycloak4
identity4
reference-implementation4
java4
openid4
identity-provider4
rest4
spring4
Programming languages (4)
Github contributions (5)
SpringSecurity-Keycloak/Spring-5-Security-OAuth-2-Client-Credentials
Sep 2020 - May 2021
Contributions:21 commits, 28 pushes, 1 branch in 8 months
FullStack-Templates/Angular-template
May 2021 - Aug 2021
A responsive Angular template with OpenID Connect integration with Auth0 for secure login
Contributions:1 release, 5 reviews, 117 PRs in 3 months
secureopenidoidcauthenticationangular-responsive
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