02 Experience

Four years of shipping,
one line at a time.

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Backend-focused engineer with 4+ years shipping production systems at scale. I design microservices, optimize databases, and build event-driven pipelines on AWS — currently powering 100K+ DAU at Flarie. Comfortable owning problems end-to-end across backend, infrastructure, and developer tooling.

flarie.log

Software Engineer

@ Flarie · Dhaka, Bangladesh
Oct 2022 — Present

Own backend infra powering a platform with 100K+ DAU.

  • 01 Architected microservice backend with NestJS serving 100K+ DAU with high availability
  • 02 Built event-driven pipelines using Redis and async queues, cutting API latency by 40%
  • 03 Optimized DynamoDB and ClickHouse schemas for analytics workloads — 60% faster queries
  • 04 Shipped AWS Lambda serverless workflows with API Gateway, reducing infra cost by 30%
  • 05 Created shared React component library and hooks adopted across 5+ internal projects
  • 06 Led system design discussions, code reviews, and mentored junior engineers
TypeScriptNestJSNode.jsAWSDynamoDBClickHouseRedis
03 Education

B.Sc. in Computer Science & Engineering

@ Port City International University · Chittagong

2018 — 2022 CGPA 3.81/4.0

Thesis — Customer segmentation for better target marketing using RFM model and data mining techniques

Awards & Competitive Programming
  • ★ Champion — PCIU Hackathon 2018
  • ★ Winner — PCIU Intra-Departmental Programming Contest 2021
  • ★ ICPC Dhaka Regional 2020 — Rank 83 (Team: PCIU_CODE_KNITTERS)
  • ★ RMSTU Divisional Contest 2021 — Rank 15 (Team: PCIU_CODE_KNITTERS)
  • ★ Codeforces Max Rating: 1308
  • ★ 6+ national & divisional programming contests
Training
  • — The Complete Node.js Course — PONDIT (Sep 2021 — Feb 2022)
  • — Web Design & Development — BITM (Jan 2017 — May 2017)

Skills

Languages

.01
GoTypeScriptJavaScriptPythonC++SQL

Frontend

.02
React.jsNext.jsReduxMaterial-UI

Backend

.03
Node.jsNestJSExpress.jsREST APIsMicroservicesEvent-Driven

Databases

.04
DynamoDBClickHousePostgreSQLMongoDBMySQLRedis

Infrastructure

.05
AWS LambdaEC2S3DockerKubernetesAzureCI/CD

Tools

.06
GitLinuxGitHub ActionsSwagger/OpenAPI
// Dhaka, Bangladesh
pyfrhn@gmail.com github linkedin