name : Abdullah Al Masud Tusharrole : Senior Software Engineer — Backend-Heavy Full-Stacklocation : Dhaka, Bangladesh 🇧🇩experience : 7+ years — backend systems, distributed architecture & cloud engineeringcompanies : Cefalo (current) · Brainstation 23focus : Backend Architecture · Distributed Systems · Cloud Infrastructure · Data Engineering- 🏢 Senior Software Engineer @ Cefalo — building production-grade backend systems for Norwegian industries
- 🏗️ Backend & Distributed Systems first — architecting scalable services handling 50M+ requests/day and 100K+ real-time events
- 📉 Reduced cloud infrastructure costs by 75% through API optimisation, query tuning & intelligent caching
- 🚢 Led a cargo-tracking algorithm analysing 100K+ historical events from 700+ LNG ships
- ☁️ AWS Certified — 15+ AWS services in production across multiple enterprise platforms
- 🌍 7+ years remote collaboration with European teams across green energy, recruitment & transportation
- 👨🏫 Mentored 20+ junior engineers on backend systems, cloud & distributed design
- 🏆 Competitive programmer — HackerRank 2237 · CodeChef 2001 · Codeforces 1554
| Platform | Company | Scale | Domain |
|---|---|---|---|
| Volue Insight | Cefalo | $550M platform | Green energy market data & forecasting |
| Recruitment Platform | Cefalo | Early-stage startup | Full-stack job matching & applicant tracking |
| Trivia Backend | Brainstation 23 | 50M+ requests/day | High-traffic consumer engagement (Robi Telecom) |
| Ferdia ERP | Brainstation 23 | $2.33M funded startup | Coach & charter bus operations digitization |
PythonJavaScript (Node)C++DjangoDjango REST FrameworkCeleryPandasApache KafkaRedis Pub/Sub | PostgreSQLDynamoDBMongoDBRedisApache SolrAWS (15+ svcs)GCPDockerKubernetesPrometheusGrafana | System DesignDistributed SystemsREST APIsMicroservicesGitHub ActionsCI/CDTrunk-Based DevGitAgile/ScrumJiraCode Review |
· also ships frontend when the situation calls for it ·ReactNext.jsHTMLCSSTailwind CSS | ||
🐍 break-the-ice-with-python — 100+ Python problems with detailed solutions. 3,100+ ⭐ · 1,500+ forks — helping thousands of developers learn Python fundamentals.
🤖 rag-app / Marginalia — Chat with your documents. Upload PDFs or markdown, get streamed answers with inline citations pinned to the source passage. Built with Next.js, Gemini embeddings & SQLite vector store.
🔷 AWS Certified Solutions Architect – Associate · Amazon Web Services · Feb 2020
⚡ Professional Scrum Master™ I (PSM I) · Scrum.org
 Professional network & work experience |  For direct communication & project inquiries |  GitHub Explore my repositories & contributions |
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