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Darun Karas Abir

πŸ‘‹ Hi, I'm Darun Karas Abir

Software Engineer Β· Full-Stack Developer Β· MERN & Next.js Specialist

Building scalable, production-grade software β€” from architecture to deployment.

Portfolio LinkedIn Email GitHub

πŸ“ Dhaka, Bangladesh Β |Β  πŸ“ž +880 1994-494143


πŸ‘¨β€πŸ’» About Me

CSE graduate from Daffodil International University with a CGPA of 3.90/4.00 and 1.5+ years of professional experience building full-stack applications. Currently a Software Engineer at Info Inlet, where I own the complete SDLC β€” from system design and architecture to development, testing, and deployment.

I specialize in TypeScript, React, Next.js, NestJS, and Express.js, with hands-on experience in PostgreSQL, MongoDB, Prisma, Redis, AWS SQS, Docker, and Cloudflare. I've shipped 10+ production projects for Japanese and international clients with zero critical post-release issues.

I'm passionate about AI integration, RAG-based systems, and building no-code/automation platforms that multiply developer productivity.

"Focused on building high-impact, scalable systems with clean and efficient code."


πŸ’Ό Professional Experience

🏒 Software Engineer β€” Info Inlet

03/2025 – Present Β Β·Β  Dhaka, Bangladesh

Tech Stack: TypeScript Β· React.js Β· Next.js Β· NestJS Β· Express.js Β· Prisma Β· PostgreSQL Β· MongoDB Β· Redis Β· AWS SQS Β· Docker Β· OpenAI Β· Qdrant

Key Achievements:

  • πŸš€ Owned full SDLC β€” planning, architecture, development, testing, and deployment
  • πŸ“¦ Delivered 10+ production-grade projects with zero critical post-release issues for Japanese & international users
  • ⚑ Reduced deployment time by 50% through AI-assisted code review and performance optimization
  • πŸ”„ Cut development cycle time by 30–50% through process and tooling improvements
  • 🧠 Built and shipped 3 flagship internal platforms:
    • FluxEz (No-code platform) β†’ enabled 10Γ— faster software development
    • Fluxturn (AI Automation) β†’ automated 50% of repetitive workflows, 200+ app integrations
    • ProAtOnce (AI Marketing Tool) β†’ increased marketing reach by 50%
  • 🀝 Led a small team, collaborated cross-functionally in a fast-paced agile environment

🏒 Software Engineer Intern (Remote) β€” Business Automation Limited

06/2024 – 01/2025

Tech Stack: MongoDB Β· Express.js Β· React.js Β· Node.js Β· Docker Β· Git Β· PHP Β· WordPress

Key Achievements:

  • Developed and maintained full-stack web applications using the MERN stack
  • Assisted in troubleshooting and debugging REST APIs
  • Contributed to code reviews and performance optimization
  • Deployed web applications using Docker
  • Worked with Git & GitHub for version control across a distributed team

Projects Delivered:

  • Panda Shopping Β· E-School Β· Project Support System Β· Country App Β· EasyTrip Β· BDStore

πŸš€ Projects

πŸ–₯️ Deskive β€” Real-time Collaboration Platform

Next.js Β· TypeScript Β· NestJS Β· Prisma Β· PostgreSQL Β· Redis Β· Qdrant

A real-time collaboration platform featuring chat, video conferencing, project management, file sharing, and notes β€” built to support 500+ concurrent users with sub-300ms latency.

Live


⚑ FluxEz β€” Full-Stack No-Code IDE

React Β· TypeScript Β· NestJS Β· Prisma Β· PostgreSQL Β· AWS SQS Β· Qdrant Β· WebSocket Β· OpenAI Β· Cloudflare

A browser-based full-stack IDE with live preview, AI code assistant, visual editing, prompt-based editing, and one-click deployment to Cloudflare.

Live


πŸ€– Fluxturn β€” AI Automation Platform

NestJS Β· PostgreSQL Β· OpenAI Β· 200+ App Integrations

An AI-powered automation platform with 200+ app integrations, enabling complex multi-step workflows and reducing manual repetitive tasks by up to 60%.

Live

πŸ› οΈ Tech Stack

🎨 Frontend

React Next.js TypeScript JavaScript TailwindCSS Redux Zustand Context API Material UI DaisyUI Framer Motion

βš™οΈ Backend

NestJS Express.js PostgreSQL MongoDB Prisma Mongoose Redis REST API WebSocket

🧠 Languages

TypeScript JavaScript Python C C++ PHP

☁️ Cloud & DevOps

Docker AWS AWS SQS Cloudflare Firebase Stripe

πŸ€– AI & Modern Tech

OpenAI RAG Vector DB Embeddings Machine Learning Deep Learning

πŸ› οΈ Tools & Platforms

Git GitHub Postman Figma Notion Jira Cursor Pixso Lighthouse

πŸ–₯️ Operating Systems

Linux Red Hat MacOS Windows Ubuntu

🧩 Concepts & Methodologies

Agile OOP MVC DSA


πŸ“Š GitHub Stats

GitHub Streak


πŸŽ“ Education

BSc in Computer Science & Engineering

Daffodil International University Β |Β  01/2020 – 03/2024

  • CGPA: 3.90 / 4.00
  • Hands-on experience in Data Structures, Algorithms, OOP, AI, and Machine Learning
  • Proficient in C, C++, Python, Java, JavaScript through competitive programming
  • Active member of the Computer Programming Club and NLP Club

Higher Secondary Certificate (Science)

Rashed Khan Menon Model School and College Β |Β  05/2017 – 06/2019

  • GPA: 5.00 / 5.00

πŸ† Training & Certifications

Certificate Provider Focus
Web Development β€” MERN Stack Programming Hero Full-stack development, React, Node.js, MongoDB
Digital Product Management Coursera Agile, Roadmapping, Market Analysis, Growth, Analytics
SQA: Manual & Automated Testing Training Institute Selenium, TestNG, JMeter, Postman, Newman
Red Hat Certified System Administrator Red Hat RH124 (System Admin I) + RH134 (System Admin II)

🌍 Extra-Curricular Activities

πŸ… Competitive Programming

  • Solved 200+ problems on Codeforces, URI, and UVa online judges
  • Strong foundation in algorithms, data structures, and problem-solving under pressure

🏟️ International Collegiate Programming Contest (ICPC)

  • Represented Daffodil International University
  • Team name: DIU_CodeAlap (2022)

πŸ’» DIU Computer Programming Club & NLP Club

  • Executive Member & Lab Assistant β€” 01/2020 – Present
  • Organized programming workshops and mentored junior students

🎀 Parliamentary Debating

  • Active debater from 2014 – 2016
  • Developed strong communication, analytical, and problem-solving skills

πŸ† TAKE-OFF Programming Contest

  • Participant at Daffodil International University internal programming contest

πŸ”₯ Fun Facts

  • 🧩 Solved 200+ competitive programming problems across Codeforces, URI, UVa
  • πŸš€ Shipped 10+ production apps for international clients with zero critical failures
  • πŸ€– Built a no-code IDE that enables 10Γ— faster software development
  • 🎀 Former Parliamentary Debater β€” always arguing for better code architecture
  • 🐧 Comfortable on Linux, MacOS, Windows, and Red Hat environments

🀝 Let's Build Something Great Together

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"Passionate about building high-impact, scalable systems with clean and efficient code."

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