class AmanKumar:
name = "Aman Kumar"
role = "Software Development Engineer II"
company = "Blossom Social 🏆" # Apple's Top 25 Apps 2025
location = "Patna, Bihar, India 🇮🇳"
primary = "Python" # core python — no fluff, no frameworks
cloud = "AWS Serverless"
impact = "~1M+ monthly events | 100+ features | 15+ enterprise partners"
philosophy = "Measure twice. Ship once. Optimize always."
stack = {
"languages" : ["Python", "Kotlin", "TypeScript", "Java"],
"aws" : ["Lambda", "DynamoDB", "SQS", "EventBridge",
"SSM", "SecretManager", "CloudWatch", "Kinesis"],
"practices" : ["TDD", "Serverless", "Event-Driven", "Spec-First"],
}
def currently(self):
return {
"shipping" : "revenue-critical backend systems at scale 🚀",
"learning" : "system design at depth, Python internals, async patterns",
"writing" : "AWS Lambda + Kinesis error handling on Medium",
"open_to" : "backend roles · open source · interesting problems",
}Core Python — no frameworks, just the language. Writing APIs, data ingestion workers, event processors, the works.
Core Python (3.9 → 3.13) ████████████████████ production runtime upgrades shipped
AWS SDK / boto3 ████████████████████ Lambda, DynamoDB, SQS, EventBridge
REST API Design ████████████████████ 100+ features, spec-first approach
Async & Event Workers ██████████████████░░ data ingestion, SQS/EventBridge consumers
DynamoDB Data Modelling ████████████████████ heavy usage, access pattern design
CloudWatch + SSM + Secrets ███████████████████░ observability, config, secret migration
Test-Driven Development ████████████████░░░░ pytest, mocking, fixture-first
CI/CD (GitHub Actions) ████████████████░░░░ multi-env deploy tracks, staging pipelines
🌸 Blossom Social — SDE-2 · Remote · Aug 2024 – Present 🏆 Apple's Top 25 Apps 2025
The Investing Social Network — where finance meets community.
- 📈 Architected revenue-critical backend systems for StockPage Ads, Takeover Banners, and Premium ETF pages — generating ~1M+ monthly events with sustained growth
- 🚀 Continuously delivering backend features across client integrations, market data, security, and platform infrastructure — spanning the full breadth of the product
- 🤝 Owned the end-to-end client campaign pipeline supporting 15+ enterprise partners across CA and US financial markets
- 🔐 Led platform-wide security hardening — implemented authorization checks across services, removed Cognito dependencies, reduced auth attack surface
- 🎁 Shipped Blossom Wrapped & Monthly Wrapped Summary backend under tight timelines — high-visibility product features
- 💰 Owned financial data accuracy across dividend payment logic, earnings calendar, Fiscal AI integration, and Premium ETF datasets
- ⚙️ Improved reliability & cut costs via SSM config migration, CloudWatch log optimization, Python runtime upgrades (3.9 → 3.13), and staging deploy track improvements
Stack: Core Python · AWS Lambda · DynamoDB · SQS · EventBridge · SSM · SecretManager · CloudWatch · GitHub Actions · Serverless Framework
💊 RxStrategies Inc. — SDE-1 · Remote · Dec 2022 – Jul 2024
- 🎨 Co-led a full UI refresh across 50+ pages — headers, navbars, FontAwesome premium icons
- 🔍 Built a critical search filter → 20%+ user satisfaction increase
- ⚙️ Designed a config page from scratch with custom components, complex APIs, and robust validation
- 🤖 Shell-scripted migration of 30+ GitHub repos between orgs — hours of work → minutes
- 📦 Migrated 10+ internal Node packages across orgs with zero downtime
- 🔧 Built a local proxy server to kill CORS pain and remove Docker-for-local-dev overhead
Stack: Node.js · TypeScript · MSSQL · Shell · GitHub Actions
💊 Medly — SDE-1 · Pune · Apr 2022 – Nov 2022
- 🔐 Implemented OAuth 2.0 via OKTA — auth, authz, access control
- 📡 Built Kinesis producers + consumers for real-time, decoupled microservice events
- 🛡️ Designed a global API error response processor — consistent error contracts platform-wide
- 🏷️ Infra-level Kinesis event filtering for Lambda → reduced noise, cut compute cost
- ♻️ Shipped reusable GitHub Actions workflows adopted across multiple teams
Stack: Kotlin · Java · TypeScript · Micronaut · PostgreSQL · DynamoDB · Lambda · Kinesis · CloudWatch
💊 Medly — Intern Developer · Pune · Jun 2021 – Mar 2022
- Built production APIs using a spec-first / OpenAPI-first approach
- Set up LocalStack + Mountebank offline-first local dev environments
- On-call pairing with senior engineers — debugging real production issues in real time
- Strategies to Handle Errors While Using Lambda with Kinesis — Published on AWS Tip · Medium




