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Darshan Redkar

@darshanredkar

Lead Backend Engineer at 1Kosmos, architecting BlockID’s passwordless identity platform and building Java services for authentication.

India

Message

What I'm looking for

I'm authorized to work in India and open to international opportunities upon mutual agreement.

At 1Kosmos, I direct backend architecture for BlockID, a multi-tenant passwordless identity platform serving enterprise and government clients under FedRAMP Moderate and GDPR constraints. I built low-latency Java authentication and token-issuance services and designed a runtime-configurable policy engine for risk-based MFA and identity verification.

At Mphasis, I co-architected BNP Paribas’s trade-sanction clearing platform and built automated approval workflows. Earlier at Capgemini, I collaborated on TDC Group’s migration to Spring Boot microservices and led a four-engineer sub-team whose document-processing work increased throughput by 35%; I also build open-source distributed-systems tools in Rust.

Experience

Work history, roles, and key accomplishments

Current

Lead / Senior Backend Engineer

Current

1Kosmos

Oct 2021 - Present (5 years)

Directed backend architecture of a multi-tenant passwordless authentication platform under FedRAMP and GDPR constraints. Built low-latency services using Java, Spring Boot, and Vert.x, and led event streaming and cross-region caching initiatives.

Java Spring Boot Spring Security Vert.X OAuth OIDC FIDO2 WebAuthn Verifiable Credentials SCIM Kafka Apache Pulsar Redis MongoDB AWS Azure Docker Kubernetes CI CD Snyk Sysdig Cryptography Zero Trust Architecture

Software Engineer (Full-Stack Backend Focus)

Mphasis

May 2019 - Oct 2021 (2 years 5 months)

Co-architected a financial sanctions and trade approval platform for BNP Paribas, building Java microservices with Camunda BPMN. Designed high-concurrency schemas in Oracle and MongoDB, and modernized the frontend from Angular 8 to 10.

Java Spring Boot Camunda Oracle MongoDB Angular UI Path Microservices REST APIs

Software Engineer

Capgemini

Jun 2015 - Oct 2018 (3 years 4 months)

Collaborated on migrating monolithic EJB/Spring MVC components to Spring Boot microservices for TDC Group. Led a sub-team rebuilding a Document Manager, boosting throughput by 35%.

Java Spring Boot Play Framework Multithreading Microservices EJB Spring MVC