About
I'm Abrar Mahir Esam, a software engineer based in Dhaka. I like understanding how things work, and making them work a little better.
The short version
At Bengal Byte I was one of the first engineers on Psycloud, a production clinical platform now serving over 1,000 users, and a principal architect of the product. I also architected a government personnel and duty-management platform running 300 concurrent users.
I work end to end across Spring Boot (Java 21), FastAPI and Node.js behind React and Next.js, over PostgreSQL, MongoDB and Redis, and I publish open-source developer tooling in Rust.
I'm a Codeforces Specialist (peak rating 1425, 496 problems solved) and have mentored three batches of competitive programmers at the MIST Computer Club. I earned my B.Sc. in CSE from MIST with a CGPA of 3.56/4.00, and I'm now pursuing my M.Sc. part-time.
Outside software, I write poems and draw, from quick sketches to Inktober.

Career
Aug 2025 - Aug 2026
Nikunja 2, Dhaka-1229
Bengal Byte
Fullstack Software Engineer
Next.js (TypeScript), FastAPI (Python), PostgreSQL, Redis, Docker
One of the first engineers and a principal architect of Psycloud — a production clinical platform now serving over 1,000 users
- Designed and built core systems from the ground up, setting the structural patterns the team still builds against
- Built the practitioner dashboard for patient records, case histories, and treatment data, plus the assessment engine that scores questionnaires and tracks patient progress between sessions
- Designed backend services, data models, and APIs handling patient health data to EU data-protection standards
- Shipped test-driven, with manual code review layered on multi-agent AI review (Claude Code, Codex) before every merge
May 2024 - May 2026
Dhaka, Bangladesh
Prime Minister's Office, Govt. of Bangladesh
Fullstack Web & Mobile Engineer (Part-time Contract)
Java 21, Spring Boot, React (TypeScript), Flutter, PostgreSQL, Redis, Docker
Architected a personnel and duty-management platform carrying 300 concurrent users in production
- Architected the Spring Boot (Java 21) backend on PostgreSQL with Flyway-managed migrations and HATEOAS REST APIs
- Built server-side PDF generation for duty forms and real-time notifications via Firebase Cloud Messaging
- Secured it with JWT, OAuth, RBAC, Redis-backed session revocation, rate limiting, audit logging, MFA, and passkeys, and tuned PostgreSQL indexes and queries behind a Redis cache
- Developed the React + TypeScript web client and Flutter app; ran CI/CD, deployments, and monitoring
Apr 2025 - Aug 2025
Mirpur DOHS, Dhaka
Nyntax
Fullstack Web Developer
React 18 (TypeScript), Express.js, MongoDB
Full-stack development on the SoftCar rental platform and an AI-agent data training extension
- Built backend APIs and frontend features for insurance, booking, and administration modules in SoftCar
- Developed a web extension for AI-agent data training with user-session management similar to Jam
- Migrated legacy JavaScript codebases to type-safe TypeScript
Feb 2024 - Mar 2024
Gulshan, Dhaka
Nogor Solutions Limited
Industrial Trainee
Software development training focused on requirements engineering and testing
- Authored Software Requirements Specification documents
- Executed end-to-end testing, uncovering critical defects and optimizing user flows per HCI best practices
- Collaborated with system analysts on architectural design patterns and SDLC
Jan 2022 - July 2025
Dhaka, Bangladesh
MIST Computer Club
Mentor of Competitive Programming and Skill Development
Mentoring students in competitive programming and software development
- Mentored three consecutive batches in competitive programming
- Conducted Web Development and Database courses
- Took regular sessions and conducted programming contests
Research
Adaptive control of local LLM agents on consumer hardware
M.Sc. thesis, MIST
In progress
Local LLM fallback stack
Personal tooling that takes over from cloud AI tools when token quotas run out: llama.cpp, Ollama and quantized Qwen and Gemma models (9B–27B), tuned for quality, speed and memory on consumer hardware
Ongoing
AI-Enhanced Application for Incentivizing Waste Recycling: A Step towards Sustainable Environment
2025 IEEE International Conference on Quantum Photonics, Artificial Intelligence, and Networking (QPAIN 2025)
2025
Analysing Low-Resource Language Feedback Across Industries
B.Sc. thesis, MIST. Multi-paradigm ML with a custom Romanized Bengali sentiment dataset
2025
Contests and awards
| Result | Event | Date |
|---|---|---|
| Finalist (Top 11) | WebXtreme Hackathon 2025, NSU, DhakaTeam: 404_BRAIN_NOT_FOUND | 2025 |
| Specialist Rank | CodeforcesHandle: Abrar_Mahir_Esam · Max rating 1425 · 496 problems solved | 2024 |
| Finalist | BUET DevSprint 2024, Inter-University Software Dev CompetitionTeam: Elyria | Mar 2024 |
| Second Runner Up | MIST Independence Day Programming Contest 2023Team: MIST_DECODERS | Aug 2023 |
| Champion | MIST Independence Day Programming Contest 2022Team: MIST_DECODERS | Aug 2022 |
| Nabiha Raida Scholarship & Commandant's List of Honour | MIST CSE DeptFor excellent academic and extracurricular performance | 2022 |
| Second Runner Up | MIST Campus Hour Programming ContestSecured 3rd position in programming competition | Apr 2022 |
| 21st Place | SEC Inter University Junior Programming ContestTeam: MIST_DECODERS | Jun 2022 |
| 85th Place | AUST Inter University Programming ContestTeam: MIST_DECODERS | Dec 2022 |
Education
- M.Sc. in Computer Science and Engineering
- Part-time, Military Institute of Science and Technology
- 2025 – present
- B.Sc. in Computer Science and Engineering
- Military Institute of Science and Technology. CGPA 3.56/4.00
- 2021 – 2025