August

Abhinav (August) Srivastava

Founding Senior Engineer at Ambrawhich I also helped cofound

Ambra is an autonomous RCM platform for EMS agencies - denials management, clean claims, and a voice-first scribe.

Previously Founding Engineer at Simbie AI and SWE 2 at Commure.


Experience#

Ambra — Founding Senior Engineer
December 2025–present
Simbie AI — Founding Engineer
May 2025–December 2025
Commure — Software Engineer II
June 2024–May 2025
RISC-V Mentorship — Mentee
March 2024–May 2024

Projects#

A Hamlet community showing topics, categories, and its knowledge base Hamlet Communities for humans and agents. hypertext.one showing an HTML paste box with title, password, expiry and max-views options hypertext.one Publish and share HTML in one click. harnext transferring coding-agent chat history between harnesses in a terminal harnext Move chats between coding agents. harnext npm downloads React Source Lineage tracing a rendered name to two API response fields React Source Lineage Trace React UI back to API fields. React Source Lineage npm downloads Hospital Gym live emergency-department simulation board Hospital Gym Benchmark AI in a simulated ER. Soquel file manager in list view Soquel A faster, keyboard-first Finder. Earmarky audiobook library with sound controls Earmarky Your Audible library, made native. KarlTrain departure board, live train map, and ride tracker KarlTrain Live Caltrain departures and tracking. Oat terminal vault listing, copying, and managing encrypted one-time passwords Oat Encrypted TOTP codes in your terminal. dbdiff showing PostgreSQL schema and row differences in a terminal dbdiff Git-style diffs for PostgreSQL. Ultraball terminal battle between Pikachu and Blastoise Ultraball Multiplayer Pokémon battles over SSH. phoneviewcomposer showing a Gmail draft on a phone next to the compose window phoneviewcomposer Preview Gmail drafts on a phone.
More projects
FHIR Connectors — A Python SDK for real-world FHIR vendor implementations.
domn8n — An AI-powered DOM mapper that generates standalone Playwright automation scripts.
NEMSIS Viewer — A browser-based viewer for NEMSIS 3.x EMS records.
X12 Viewer — A native macOS viewer for X12 EDI files.
ThoughtForest — A content curation system for YouTube, Substack and Twitter (more to come).
Couch 2 Court — A Couch-to-5K for basketball.
Libreprose — A distraction-free writing environment for long-form work.
Cioppino — A weekly AI-tell tracker.
Copy Doc Comments — A copy-comments button for Google Docs to grab all the comments for LLMs.
Walk Reminder — A small, lightweight menu-bar app that gets you to stand up more.
Vinyl — Generate a looping, spinning-vinyl video from any audio file, in your browser.
HAR to cURL — Cleans up your HAR files to make them friendlier for LLMs.
Archived
ASM Garden — A LeetCode-style playground for x86-64 assembly: small problems, in-browser assembler, instant feedback. A gentler on-ramp to low-level programming.
Strudel — Spin up and tear down ephemeral Ethereum testnets for teams, so a whole engineering org can share forks and state without stepping on each other.
Elcair — Point at an Ethereum contract ABI, get a typed TypeScript SDK - no hand-rolled wrappers, no drift between contract and client.
Profs — Search university faculty by research interest and recent publications - find the right advisor, reviewer, or collaborator without trawling department pages.

Open source#

Research#

EmberDB - FHIR-native time-series storage for critical care. A specialized database treating FHIR Observations as first-class citizens, benchmarked against InfluxDB, TimescaleDB, and QuestDB on MIMIC-III data.
Healthcare Voice Agent Security Accepted at HealthSec '26 - Evaluating AI voice platforms deployed in healthcare settings, covering prompt injection, PHI extraction, and synthetic voice attacks with a novel FHIR-compliant testing framework.
Privacy-Preserving Healthcare Cost Prediction - Custom secure multiparty computation protocol enabling joint model training across hospitals, insurers, and public health agencies without exposing raw data.
zkDNA - Zero-knowledge proofs for negative STR DNA match verification, allowing proof of non-match in forensic contexts without revealing actual genetic data.
Formal Verification of FHIR Resources - Applying lightweight formal methods (Alloy) to verify structural integrity and safety invariants of HL7 FHIR data models.
Reading MUMPS at Scale - An open tree-sitter grammar for MUMPS, the language behind the VA's VistA EHR. Parses 98.6% of VistA's 33,951 routines into an analyzable syntax tree, validated against YottaDB, with call-graph and runtime-code-generation measurements. DOI
ICD-10 Codes from Visit Dialogues - A framework that assigns one ICD-10-CM code to a doctor-patient dialogue with a System One model, with no task training and no labeled examples. On 996 held-out MedSynth dialogues it gives the exact code for 62.0% from the 2,032 benchmark codes and 57.3% from all 74,719 codes; a trained text classifier gives 34.3%. Paper (PDF)

Published: Nature-Inspired Swarm Optimization in ANNs (IEEE)

Full research details →

Interested in collaborating? Email me at sabhinav at bu dot edu.

Community involvement#

Outside work#

Education#