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Merged in 2026

100+

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500

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I am Sourav Rajvi
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About me!

Hello! I'm Sourav Rajvi, a Software Engineer focused on backend systems, distributed systems, databases, and AI infrastructure. At Planys Technologies I build and improve backend systems for a deep-tech product, and I'm a core contributor to Unsloth AI (YC S24) with 50+ merged PRs across Studio, the installer/GPU stack, and model loading. I built an LSM Tree storage engine hitting 3,500+ writes/sec and OpenInference CLI, a hardware-aware package manager for local AI models. LeetCode 2000+ rated (top 6% globally). Let's collaborate!

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Work Experience

Software Engineer

Mar 2026 – Present

Planys Technologies

  • Refactored fragile legacy Node.js/Express backend, decoupling authentication from database infrastructure and redesigning runtime configuration — reducing onboarding setup time by 40%
  • Migrated authentication to environment-based secure configuration, eliminating 2 critical system dependencies and reducing runtime initialization complexity by 30%
  • Streamlined Docker and startup workflows, cutting service cold-start time from 45s to 18s (60% improvement)

Contributor

Jan 2026 – Present

Unsloth AI (YC S24)

  • Contributed 50+ merged pull requests to unslothai/unsloth (70k+ GitHub stars)
  • Improved Unsloth Studio UX: touch sidebar support, model presets, token counts, Colab embeds
  • Enhanced cross-platform installer & GPU stack: Vulkan/ROCm routing, distro detection
  • Fixed model-loading reliability: offline tokenizer loads, HF cache recovery, Deep Research context-window safety

Maintainer — MinerU PDF Parser @ RAGFlow

Sep 2026 – Present

InfiniFlow

  • Maintainer of RAGFlow's (90K+ GitHub stars) MinerU PDF/layout parser: triage, review, and follow-through on issues and PRs
  • Implemented MonkeyOCR as a dedicated PDF backend on top of the MinerU parser class

Software Engineer

May 2025 – Mar 2026

AGSuite Technologies

  • Architected AWS-based middleware on EC2 bridging NetSuite/Zoho, with secure Base64-to-binary file upload pipelines via REST APIs
  • Engineered an LLM-powered chatbot using SuiteScript 2.1 and AI-driven intent classification, reducing manual documentation lookup time by 20%
  • Optimized data pipelines processing 1,000+ daily financial records, resulting in a 70% reduction in manual data entry

Software Engineer Intern

Aug 2024 – Jan 2025

Amazon

  • Optimized Payment Contract website, reducing load time from 29s to 4s (Java, Spring Boot, Ruby on Rails)
  • Resolved a critical regression enabling 100% success rate traffic rollback, reducing critical errors by 17%
  • Developed backend validation checks for Phased Rollout, reducing client churn tickets from 3 to 1

What People Say

recommendations from LinkedIn

Abhijeet Singhaniya

SDE-II @ NIUM | Ex-SDE @ Amazon

★★★★★

"Sourav and I have worked together on multiple projects and his backend engineering skills are genuinely solid. His grasp of Java, Spring Boot, and RESTful API design is strong, and he has a natural instinct for building microservices that are clean, modular, and built to scale."

Samir Kumar

Building AI Infrastructure @ RedHat

★★★★★

"I've worked with Sourav on multiple projects and honestly, he's one of the more well-rounded engineers I've collaborated with. He's comfortable across the stack — Java backend, RESTful APIs, and microservices on one end, and Docker, Kubernetes, and AWS deployments on the other."

Rohan Mehta

SDE @ Amazon

★★★★★

"I worked closely with Sourav during his time at Amazon and his attention to backend correctness stood out immediately. He has a sharp eye for edge cases in distributed systems and never ships without thinking through failure modes first. His work on the Payment Contract optimization directly cut load times and reduced our error rates. Any team would be lucky to have that level of ownership on critical infrastructure."

Priya Nair

Senior SDE @ Amazon

★★★★★

"Sourav is one of the most reliable backend engineers I've collaborated with. He consistently writes clean, testable code and is quick to jump into gnarly production issues without hesitation. His grip on Java, Spring Boot, and API design made our rollout validation work significantly smoother. I'd trust him with any mission-critical service."

Arjun Varma

SDE-II @ Amazon

★★★★★

"What impressed me most about Sourav was how methodically he approached backend performance problems. He doesn't just patch symptoms, he digs into root causes, whether that's a slow query or a flaky retry mechanism. His work reducing traffic rollback errors was genuinely impactful for our team. Solid engineer, even better collaborator."

Kavya Reddy

SDE @ Amazon

★★★★★

"Sourav has a rare combination of backend depth and product thinking. He understands distributed systems at a level that goes beyond just making things work, he actually reasons about scale and reliability from day one. Working alongside him on phased rollout validation was a masterclass in careful, defensive engineering. Highly recommend him for any backend-heavy role."

Abhijeet Singhaniya

SDE-II @ NIUM | Ex-SDE @ Amazon

★★★★★

"Sourav and I have worked together on multiple projects and his backend engineering skills are genuinely solid. His grasp of Java, Spring Boot, and RESTful API design is strong, and he has a natural instinct for building microservices that are clean, modular, and built to scale."

Samir Kumar

Building AI Infrastructure @ RedHat

★★★★★

"I've worked with Sourav on multiple projects and honestly, he's one of the more well-rounded engineers I've collaborated with. He's comfortable across the stack — Java backend, RESTful APIs, and microservices on one end, and Docker, Kubernetes, and AWS deployments on the other."

Rohan Mehta

SDE @ Amazon

★★★★★

"I worked closely with Sourav during his time at Amazon and his attention to backend correctness stood out immediately. He has a sharp eye for edge cases in distributed systems and never ships without thinking through failure modes first. His work on the Payment Contract optimization directly cut load times and reduced our error rates. Any team would be lucky to have that level of ownership on critical infrastructure."

Priya Nair

Senior SDE @ Amazon

★★★★★

"Sourav is one of the most reliable backend engineers I've collaborated with. He consistently writes clean, testable code and is quick to jump into gnarly production issues without hesitation. His grip on Java, Spring Boot, and API design made our rollout validation work significantly smoother. I'd trust him with any mission-critical service."

Arjun Varma

SDE-II @ Amazon

★★★★★

"What impressed me most about Sourav was how methodically he approached backend performance problems. He doesn't just patch symptoms, he digs into root causes, whether that's a slow query or a flaky retry mechanism. His work reducing traffic rollback errors was genuinely impactful for our team. Solid engineer, even better collaborator."

Kavya Reddy

SDE @ Amazon

★★★★★

"Sourav has a rare combination of backend depth and product thinking. He understands distributed systems at a level that goes beyond just making things work, he actually reasons about scale and reliability from day one. Working alongside him on phased rollout validation was a masterclass in careful, defensive engineering. Highly recommend him for any backend-heavy role."