Sunil Kumar
@sunilkumar36
Enterprise Architect at Independent Technical Consultant building cloud-native distributed systems; migrated 150 MuleSoft flows to Apache Camel.
IndiaWhat I'm looking for
At Independent Technical Consultant, I provide technical guidance on cloud-native distributed systems and enterprise architecture, helping diagnose issues across APIs, messaging, and distributed services.
At XTIVIA, on the Hallmark engagement, I led the migration of 150 MuleSoft flows to Apache Camel on Spring Boot and AWS ECS. I personally built 30 complex flows and a shared error-handling and retry framework, reducing latency by 40% and improving order-processing throughput by 35%.
At XTIVIA (acquired Hydus), I designed cloud-native services and reusable architecture patterns for enterprise clients. I also delivered LLM prototypes and API integrations that reduced manual workflows by 30%.
At HSBCTechnology, I was implementation lead on payment systems serving 1M+ global users, using Java, JMS, and Spring Integration to support sub-second latency. I’ve also worked on digital banking, financial integrations, and distributed systems across banking, retail, and fintech.
Experience
Work history, roles, and key accomplishments
Independent Technical Consultant / Enterprise Architect
Self Employed
May 2026 - Present (6 months)
Provide independent technical guidance on cloud-native distributed systems and enterprise architecture. Diagnose integration, performance, and maintainability issues across APIs, messaging, and distributed services.
Lead Integration Consultant
XTIVIA
Dec 2025 - May 2026 (5 months)
Led migration of 150 MuleSoft flows to Apache Camel on Spring Boot (AWS ECS) with a five-person team, cutting latency 40% and improving order-processing throughput 35%. Authored HLDs and LLDs, introduced a spec-driven AI framework, and tuned Spring Boot AOT compilation.
Freelance Technical Advisor
Self Employed
Dec 2024 - Nov 2025 (11 months)
Provided independent technical guidance while pursuing consulting engagements. Translated business and client requirements into solution designs spanning Java, Spring Boot, Python, REST APIs, asynchronous messaging, and cloud platforms.
Associate Architect
XTIVIA
Jul 2017 - Nov 2024 (7 years 4 months)
Improved backend throughput by 20% for enterprise clients by designing modular, cloud-native, and event-driven services using Spring Boot and FastAPI. Reduced frontend latency by 25% by leading transition to component-driven architecture with React and Angular, and shortened onboarding time by 30% by documenting reusable patterns.
Implementation lead on payment systems serving 1M+ global users, building high-volume asynchronous messaging with Java, JMS, and Spring Integration at sub-second latency. Designed a multi-tier, multi-tenant deployment framework and established code-review standards and quality gates.
Associate Consultant
Polaris Software Lab Ltd.
Nov 2006 - Oct 2007 (11 months)
Delivered Basel-II compliant modules with Java/Struts, ensuring 100% regulatory compliance and cutting issue tickets by 20%.
Education
Degrees, certifications, and relevant coursework
Andhra University
Bachelor of Computer Applications, Computer Applications
1998 - 2001
Bachelor of Computer Applications from Andhra University, completed from 1998 to 2001.
Tech stack
Software and tools used professionally
Availability
Location
IndiaAuthorized to work in
Portfolio
my-stock-app-chi.vercel.appSalary expectations
Social media
Job categories
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