Backend Systems · API Platforms · AI Products

Ambar Kashyap

Engineering Leader

API Architect

System Designer

AI Builder

Building scalable systems at BT Group, shipping AI products on the side, and writing about what actually works.

Bengaluru|@buildersensei

13+

Years

6

Products Shipped

6

Articles

13+ Years · 5 Companies · 10+ Awards · 4 Domains · Millions of Users · API-First Builder · 13+ Years · 5 Companies · 10+ Awards · 4 Domains · Millions of Users · API-First Builder ·
01 / About

Who I am

Ambar Kashyap

Seasoned Engineering Leader with 13+ years building high-impact backend systems and leading cross-functional teams across telecom, SaaS, EdTech, and financial domains.

I build API-first platforms, design scalable microservices architectures, and mentor high-performing engineering teams. Hands-on with Java and Spring Boot, with deep focus on cloud-native delivery and product-aligned engineering.

Currently leading API orchestration for the EE app at BT Group, serving millions of users with real-time event processing and personalized recommendations.

API Engineering Lead @ BT Group
LinkedInGitHubYouTubeMediumResume
02 / Experience

Where I've been

03 / Projects

What I've built

01

EE App API Orchestration

Personalized Recommendations Platform

Designed and led microservices for personalized API recommendations across the EE app, enabling scalable orchestration and improved response latency.

Increased engagement on recommendations surfaces; standardized API contracts enabling faster feature rollout.

JavaSpring BootKafkaRedisAWSBT Group · 2022 — Present
02

Oracle Hyperion FDMEE

Enterprise Financial Data Pipelines

Built Direct Load APIs and data pipelines for enterprise financial data management, improving data ingestion reliability.

JavaOracle DBREST APIsConcurrencyOracle · 2018 — 2020
03

Smart Slate

LIVE

The Education OS for Educators & Learners

AI-powered education operating system — instant grading, generative coursework, analytics for educators, and gamified learning with adaptive multi-persona AI tutors, XP, streaks, and leaderboards for students.

500+ institutions trust the platform.

Next.jsAITailwind CSS2025
04

KaviCare

LIVE

AI Health Companion for Patients & Families

Voice-first patient app that organizes prescriptions, tracks vitals (BP, Sugar, Weight), and generates AI doctor-visit briefs. Upload PDFs, snap prescriptions, or speak to the Kavi voice agent.

95% extraction accuracy, <30s response time.

Next.jsAIFirebase2025 — Ongoing
05

KMCare

OPD Management System

Clinic workflow management for doctors including patient registration, appointments, EMR, prescriptions, and AI-driven automation.

Spring BootMySQLReactIn Progress
06

KMCricket

Cross-platform Cricket Scoring App

Real-time scoring app with intuitive UI for match events, player stats, and AI-generated visuals.

React NativeWebSocketIn Progress
07

PromptCraft Academy

LIVE

Interactive Prompt Engineering Tutorial

Gamified learning platform with 9 chapters, 19 hands-on exercises, real Claude API integration, XP system, leaderboard, and certificate of completion.

2,500+ XP across 6 rank levels from Novice to Grandmaster.

Next.jsClaude APITailwind CSS2025
08

Claude Code Explorer

LIVE

Source Code Tour & System Design Learning

Two-mode learning platform: Interactive Code Tour with 12 curated chapters and annotated viewer, plus System Design Learning with 12 architecture patterns mapped to real source code.

2,000+ source files explored, 45+ tools documented, 12 system design patterns.

Next.jsClaude APITypeScript2026
04 / Skills

What I work with

Architecture & Design

Scalable SystemsDomain ModelingSolution ArchitectureEvent-Driven DesignAPI Governance

Backend

Java 11+Spring BootREST APIsMicroservicesJava Concurrency

Cloud & DevOps

AWS (EKS, Lambda, Beanstalk)FirebaseCI/CDGitLabDockerDynatraceELK

Frontend (Familiarity)

ReactNext.jsNode.jsTypeScriptTailwind CSS

Tools & Data

KafkaPostgreSQLRedisOracle DBBlazeMeterJIRA
05 / Recognition

Awards & credentials

Awards (10+)

Public Sector Star AwardDeloitte, 2016
Public Sector Star AwardDeloitte, 2015
Applause AwardDeloitte, 2017
Applause AwardDeloitte, 2016 (x2)
Applause AwardDeloitte, 2015 (x2)
Spot AwardDeloitte, 2017
Spot AwardDeloitte, 2014
Spot AwardDeloitte, 2013

Certifications

Oracle Certified Java ProgrammerOracle
HL7 2.7 Control SpecialistHL7 International

Education

B.E. Telecommunications Engineering

PES University · 2008 — 2012

Let's build something
together.

Open to Engineering Manager, Staff Engineer, and Technical Leadership roles. Always happy to talk architecture.

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