S M Nowshadur Rahaman

Backend Engineer · Open to Go-focused roles
+880 1851 836744nowshad.rahaman@gmail.comRampura, Dhaka, BangladeshLinkedIn·GitHub·TopCoder

Professional Overview

Backend engineer with 11+ years of distributed-systems and platform experience. Go is part of my working toolbox; actively seeking Go-focused roles where deep service and infra background applies.

Core Competencies

Architecture:Microservices, Serverless, CQRS, SaaS Platforms, Edge-first Design
Cloud Platforms:AWS (Lambda, EC2, S3, RDS, CloudFront, SNS, SES), Azure (Functions, Blob, Cosmos DB), Cloudflare (R2, KV, Durable Objects)
Languages:JavaScript, TypeScript, C#, Python, Java, Go, SQL
Backend:Node.js, .NET Core, Express, HonoJS, Next.js, FastAPI
Realtime:Kafka, Redis, Supabase, RabbitMQ, Ably
DevOps & Observability:CI/CD Pipelines, Docker, Terraform, GitHub Actions, Azure DevOps, Datadog (RUM, Tracing), CloudWatch, App Insights

Professional Experience

AdoptSequence & AdoptIQ (Curtis Digital Inc.) — Remote
Solution ArchitectOct 2023 – May 2025

Led architecture and platform engineering for two SaaS products: an onboarding/automation platform and an A/V enhancement workflow service.

  • Managed multi-repo codebases on GitHub with standardized PR reviews and automation.
  • Mentored junior developers, enforced best practices, and led roadmap execution with founders.
Tech Stack
AWS (Lambda, EC2, S3, RDS, CloudFront), Cloudflare (Workers, Durable Objects, R2)
PostHog, Datadog, CloudWatch, GitHub Actions, Docker
Colliers International (via TopCoder) — Remote
Senior Full-stack DeveloperOct 2021 – Sep 2023

Modernized internal apps for a global commercial real-estate firm, replacing third-party tools with Azure-native and AWS-native services.

  • Mentored engineers and led POCs with architects/BAs; reduced new-hire ramp ~30–50% and accelerated concept-to-pilot ~2x.
  • Drove code reviews and onboarding standards; PR cycle time −20–35%, post-release defects −20–40%.
Tech Stack
GraphQL, Power BI, Mapbox, Syncfusion
Relisource Inc. — Dhaka, Bangladesh
Senior Software EngineerNov 2018 – Aug 2021
  • Actively mentored team members on architecture and clean code practices.
Astha IT — Dhaka, Bangladesh
Senior Software EngineerMar 2014 – Oct 2018
  • Led development for enterprise systems in logistics, education, and fintech.
  • Mentored junior engineers and participated in system architecture, client demos, and delivery cycles.

Projects

FinSync — Personal Finance Intelligence↗

Elastic Serverless data streams + Vertex AI. Hybrid search (keyword + vector), monthly transforms, and a RAG chat layer. Pydantic-validated JSON ingestion.

Education

Bachelor of Computer Science and Engineering
Shahjalal University of Science and Technology · 2013