S M NOWSHADUR RAHAMAN
SOLUTION ARCHITECT| SENIOR FULLSTACK ENGINEER
PROFESSIONAL OVERVIEW
Hands-on architect with 11+ years of experience building scalable, cloud-native platforms across startups and enterprises.
Specializes in JavaScript/TypeScript, .Net, distributed systems, serverless architecture, and real-time data pipelines. Proven
leadership in architecting platforms, driving cross-functional teams, and managing full DevOps lifecycle.
CORE COMPETENCIES
Architecture: Microservices, Serverless, CQRS, SaaS Platforms, Edge-first Design
Cloud Platforms: AWS (Lambda, EC2, S3, RDS, Cloudfront), Azure (Functions, Blob, CosmosDB)
Languages: JavaScript, TypeScript, Python, Go, C#, SQL
Frontend: React, Remix, Angular, Lit, Astro
Backend: Node.js, .NET Core, Express, HonoJS, Next Js, Fast API
Realtime: Kafka, Redis, Supabase, GraphQL, RabbitMQ, Ably
Data: Microsoft Sql Server, Postgres Sql, Mysql, ClickHouse, CosmosDB, DynamoDb
DevOps & Observability: CI/CD Pipelines, Docker, Terraform GitHub Actions, Azure DevOps, Terraform, Docker, Datadog
(RUM, Tracing), Cloudflare (R2, KV, Durable Objects), CloudWatch, App Insights, Secrets Management
Mobile: Xamarin (Android), Flutter
PROFESSIONAL EXPERIENCE
AdoptSequence (Curtis Digital Inc.) — Remote
Solution Architect | Jul 2023 – May 2025
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Led backend migration from AWS Lambda to Trigger.dev to support long-running video processing reliably.
Rebuilt two SaaS products from scratch—a user onboarding platform and a video enhancement platform
Designed and implemented CI/CD pipelines using GitHub Actions for multi-environment deployment to Cloudflare
Workers and EC2.
Created a public content-sharing system with Astro and Cloudflare Durable Objects, optimized for SEO and global
latency.
Architected end-to-end audio/video enhancement workflows using FFmpeg, Whisper, and AI voice synthesis.
Integrated Supabase for auth, real-time sync, and Postgres data storage.
Developed internal tools for SRT subtitle refinement, AI tone setting, and sync correction.
Maintained observability with Datadog (API performance, worker logs, RUM) and CloudWatch.
Managed multi-repo codebases on GitHub with standardized PR reviews and automation.
Mentored junior developers, enforced best practices, and led roadmap execution with founders.
Managed and maintained end-to-end DevOps lifecycle — including CI/CD pipelines, infrastructure automation,
deployment strategy, monitoring, and cloud cost optimization.
Integrated clerk a lightweight auth system with multiple applications.
Tech Stack: JavaScript, TypeScript, Lit, Remix, React Router, FFmpeg, Supabase, Trigger.dev, Clerk, OpenAI Whisper,
Lambda, EC2, S3, RDS, ClickHouse, Kafka, Redis, Cloudflare, Astro, Datadog, Github workflow.
AdoptIQ (Curtis Digital Inc.) — Remote
Solution Architect | Jul 2023 – Jan 2025
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Built a modular user onboarding SDK using Shadow DOM and vanilla JS, later migrated to LIT Web Components.
Developed interactive onboarding elements (modals, banners, checklists) as Remix-based components
compatible with external client stacks.
Designed a lightweight Chrome extension to test and debug onboarding flows.
Created an internal Customer Data Platform (CDP) using PostHog, Redis, Kafka, and ClickHouse for real-time
analytics.
Used Django and PostgreSQL to support admin tooling for segmentation, targeting, and flow definitions.
Containerized services using Docker and built flexible event pipelines triggered by user behavior, attributes, or
URLs.
Optimized rendering, caching, and network performance for script-delivered components.
Defined early architecture and collaborated closely with product and executive teams.
Managed and maintained end-to-end DevOps lifecycle — including CI/CD pipelines, infrastructure automation,
deployment strategy, monitoring, and cloud cost optimization.
Tech Stack: Python, Django, Remix, React, Lit, PostHog, Redis, Kafka, ClickHouse, Docker, PostgreSQL,
CloudWatch, AWS (Lambda, S3, RDS), CloudFront, Datadog, Github workflow
Colliers International (via TopCoder) — Remote
Senior Full-stack Developer | Oct 2021 – Apr 2025
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Architected and deployed microservices using Azure Functions with Cosmos DB and SQL Server.
Built and migrated frontend apps using Angular (including version upgrades for modern architecture).
Migrated third-party valuation tool to internal AWS-based solution (EC2, S3, SES) within 3 weeks.
Used Terraform and Azure DevOps for IAC and pipeline automation.
Migrated from Google Maps to Mapbox, reducing costs and increasing geospatial flexibility.
Mentored developers, led POCs with architects, and collaborated with BAs to define implementation strategies.
Conducted code reviews and guided onboarding of new engineers.
Tech Stack: Angular, .NET Core, Azure Functions, Cosmos DB, Blob Storage, Service Bus, GraphQL, Power BI, Mapbox,
Syncfusion, AWS, Azure DevOps, Terraform
TopCoder Community — Remote
Freelance Developer | Aug 2021 – Present
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Delivered high-impact solutions for clients like BP, HP, Wipro, Dell, and Microsoft.
Specialized in critical performance improvements, production-level bug fixes and implemented key feature
enhancements in mission-critical internal platforms.
Tech Stack: Angular, React, .NET Core, Angular Js, Golang
Relisource Inc., Dhaka, Bangladesh
Senior Software Engineer | Nov 2018 – Aug 2021
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Developed a Clinical Trial Management System for a global pharmaceutical client.
Built an enterprise LMS platform with mobile support for educational clients.
Actively mentored team members on architecture and clean code practices.
Tech Stack: TypeScript, ASP.NET Core, Xamarin, Microsoft SQL Server, Azure Functions, Azure Service Bus, Angular,
AngularJS
Astha IT, Dhaka, Bangladesh
Senior Software Engineer | Mar 2014 – Oct 2018
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Led development for enterprise systems in logistics, education, and fintech.
Mentored junior engineers and participated in system architecture, client demos, and delivery cycles.
Onnorokom Software Ltd, Dhaka, Bangladesh
Junior Software Engineer | Mar 2013 – Feb 2014
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Built in-house tools and automation systems to support internal operations.
Developed APIs, admin dashboards, and full-stack features for local business units.
EDUCATION
Bachelor of Computer Science and Engineering
Shahjalal University of Science and Technology
2013
