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Abhinash Kumar

Software Engineer @ Leucine | Backend & Distributed Systems | Java, Spring Boot, Apache Kafka, PostgreSQL, React | Event-Driven Architecture, ERP Integration, Applied LLMs | IIIT Lucknow ’25

Bengaluru

1+ year of work experience

Leucine - AI for Pharma
May 20251 yr 5 mosPresent

Backend engineer on the integration and monetization surface of a GxP-regulated pharmaceutical manufacturing execution platform serving multiple production facilities. - Built a Kafka-based event streaming pipeline carrying real-time SAP manufacturing data into the platform — 3-broker cluster, partition-based parallel consumers, dead letter queue recovery — processing thousands of events daily with zero data loss. - Designed and shipped the end-to-end Acumatica ERP integration, owning the full SDLC from system design through production deployment and on-call support, keeping master data synchronised across facilities. - Engineered a multi-layer feature-flag subscription system with UI, API and database-level access control, integrated with Stripe webhooks so plan upgrades and entitlement changes apply in real time. - Work across the stack where the feature demands it — Spring Boot services and PostgreSQL schema design on the backend, React.js for the operator-facing surfaces. - Own features end to end in a regulated environment: design doc, implementation, deployment, production support, and the audit trail that has to survive review. Leucine is a venture-backed AI platform for pharmaceutical manufacturing and compliance (21 CFR Part 11), deployed across multiple plants. Stack: Java, Spring Boot, Apache Kafka, PostgreSQL, React.js, REST APIs, Stripe
Leucine - AI for Pharma
Jan 20254 mosApr 2025

- Implemented GPT-based semantic analysis over FDA regulatory documents, improving entity extraction and interpretive accuracy for compliance workflows. - Architected the end-to-end Stripe integration for subscription billing and real-time transaction dashboards, automating invoice workflows and removing manual reconciliation. - Built the platform's security and abuse-control layer: Google reCAPTCHA, API rate limiting, per-account usage quotas, and domain allow/block lists. - Automated data-validation pipelines with LLM-driven checks, reducing manual review on inbound data. Stack: Java, React.js, PostgreSQL, Stripe API, OpenAI API

Abhinash’s AI Stack

claude code
claude code

Education

Indian Institute of Information Technology Lucknow

Bachelor's of technology, Information Technology

Indian Institute of Information Technology Lucknow

20214 yrs2025

PCM, Intermediate

Guru Gobind Singh Public School,Bokaro

20182 yrs2020

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Headline

Software Engineer @ Leucine | Backend & Distributed Systems | Java, Spring Boot, Apache Kafka, PostgreSQL, React | Event-Driven Architecture, ERP Integration, Applied LLMs | IIIT Lucknow ’25

About

I'm a Software Engineer at Leucine (AI for pharma) building the backend and integration layer — Java, Spring Boot and Apache Kafka — behind a GxP-regulated pharmaceutical manufacturing platform. My work focuses on event-driven data pipelines, enterprise ERP integrations, and subscription infrastructure that keep manufacturing data in sync across multiple facilities without losing a message — in a domain where a dropped event is a compliance finding, not a retry. Previously, I shipped GPT-based semantic analysis of FDA regulatory documents, end-to-end Stripe billing with real-time transaction dashboards, and the platform's security layer — reCAPTCHA, rate limiting, usage quotas and domain controls. Areas I enjoy working in - Backend Engineering - Distributed Systems - Event-Driven Architecture - Apache Kafka & Stream Processing - Enterprise Application Integration - ERP & SAP Data Pipelines - API Design - Applied LLMs in Production - Compliance-Critical Systems (GxP, 21 CFR Part 11) - Full-Stack Product Development Technologies I regularly work with Java • Spring Boot • Apache Kafka • PostgreSQL • REST APIs • Microservices • React.js • JavaScript • TypeScript • Python • MongoDB • Next.js • Supabase • Stripe • OpenAI API • Git • SQL I'm particularly interested in building backend systems that stay correct and recoverable under failure — where reliability, auditability and clean ownership matter as much as speed.

Location

Bengaluru

AI stack

claude code

Work experience

Software Engineer at Leucine - AI for Pharma, May 2025 - Present · 1 yr 5 mos, Backend engineer on the integration and monetization surface of a GxP-regulated pharmaceutical manufacturing execution platform serving multiple production facilities. - Built a Kafka-based event streaming pipeline carrying real-time SAP manufacturing data into the platform — 3-broker cluster, partition-based parallel consumers, dead letter queue recovery — processing thousands of events daily with zero data loss. - Designed and shipped the end-to-end Acumatica ERP integration, owning the full SDLC from system design through production deployment and on-call support, keeping master data synchronised across facilities. - Engineered a multi-layer feature-flag subscription system with UI, API and database-level access control, integrated with Stripe webhooks so plan upgrades and entitlement changes apply in real time. - Work across the stack where the feature demands it — Spring Boot services and PostgreSQL schema design on the backend, React.js for the operator-facing surfaces. - Own features end to end in a regulated environment: design doc, implementation, deployment, production support, and the audit trail that has to survive review. Leucine is a venture-backed AI platform for pharmaceutical manufacturing and compliance (21 CFR Part 11), deployed across multiple plants. Stack: Java, Spring Boot, Apache Kafka, PostgreSQL, React.js, REST APIs, Stripe

SDE Intern at Leucine - AI for Pharma, Jan 2025 - Apr 2025 · 4 mos, - Implemented GPT-based semantic analysis over FDA regulatory documents, improving entity extraction and interpretive accuracy for compliance workflows. - Architected the end-to-end Stripe integration for subscription billing and real-time transaction dashboards, automating invoice workflows and removing manual reconciliation. - Built the platform's security and abuse-control layer: Google reCAPTCHA, API rate limiting, per-account usage quotas, and domain allow/block lists. - Automated data-validation pipelines with LLM-driven checks, reducing manual review on inbound data. Stack: Java, React.js, PostgreSQL, Stripe API, OpenAI API

Education

Bachelor's of technology, Information Technology, Indian Institute of Information Technology Lucknow

PCM, Intermediate, Guru Gobind Singh Public School,Bokaro

Public links

github: https://github.com/aks057

Abhinash Kumar - Software Engineer in Bengaluru | Tal