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Rank 5 · Backend Software Engineer · Lucknow

Sulaiman
Khan

I refine backends the way Gu are refined: under pressure, until only what survives remains. Real-time chat, payments, and the queues that hold them together.

Production payments through Cashfree & Razorpay in 4 months
32K+
Primeval stones moved
Production payments through Cashfree & Razorpay in 4 months
Monthly users the Docnish system was built to handle
300K
Masters served
Monthly users the Docnish system was built to handle
Messages/sec sustained in load tests of the chat platform
~16K
Voices per second
Messages/sec sustained in load tests of the chat platform
Monthly learners on Netz at its peak
5,000+
Disciples
Monthly learners on Netz at its peak

The ascent

Rank 1 to Rank 5 · keeping only what earned its place
  1. Rank 1 · Green CopperInternDocnishJun 2025Walked in to learn. Started shipping production features.
  2. Rank 2 · Red SteelFull-time DeveloperDocnish2025Converted to full-time. Trusted with the architecture.
  3. Rank 3 · White SilverProject Co-LeadDocnishto Dec 2025Co-led nine products end to end, booking to payments.
  4. Rank 4 · Yellow GoldBackend DeveloperTechdock LabsApr 2026Production backends, CI/CD, Docker deployments and monitoring.
  5. Rank 5 · Purple CrystalBackend EngineerDistributed systemsNowDistributed real-time systems at scale. Rank 6 is next.

Major Gu

Three projects · open the dossier
Gold Gu worm coiled on a stone pedestal
本命 · Vital Gu · Rank 6 Immortal · Strength pathMyriad Voices GuDistributed real-time communication platform — chat, voice, video & offline Bluetooth meshHorizontally scalable messaging — ~16K messages/sec in load tests. Now an Android, iOS and Windows app whose chat keeps working over a Bluetooth mesh when the internet is gone.Socket.IO · Redis Streams · BullMQ · Mediasoup SFU · Postgres · BLE mesh · Capacitor · Wails
Dossier

Lesser Gu

Quirky builds · ML · scrapers · experiments
  • R3 · White Silver

    Heaven’s Eye Gu

    Smart Traffic Intelligence Platform

    YOLOv8 vehicle, helmet & accident detection over FastAPI; congestion scores for adaptive signals; STGCN short-term and DCRNN long-term forecasting.

    Feeds on: camera feeds, Kaggle & Roboflow datasets
    DormantWisdom · AI / ML
  • R3 · White Silver

    Gold-Sniffing Gu

    Jewellery price scraper

    Benchmarked on 30 Indian jewellery sites: 20 full extractions, ~1.85 s average, zero crashes.

    Feeds on: product pages, JSON-LD, brand extractors
    AliveTheft · Scraping
  • R2 · Red Steel

    Truth-Seeking Gu

    RAG conflict-resolution assistant

    Retrieves evidence from conversation history to de-escalate disputes with grounded answers, not hallucinated ones.

    Feeds on: chat history, vector retrieval
    In refinementWisdom · AI / ML
  • R2 · Red Steel

    Silent Link Gu

    BLE emergency-vehicle mesh

    Backend, dashboard and PWA for BLE-assisted emergency-vehicle priority where the network drops out. Its idea lives on in Myriad Voices’ offline mesh.

    Feeds on: Bluetooth LE beacons
    DormantSpace · Networks
  • R1 · Green Copper

    Bookworm Gu

    Web-novel scraper

    Scrapes, retries and cleans whole novels into a reading archive. Repo name: scrapingNovelsCauseUnemployed.

    Feeds on: chapter pages, patience
    DormantTheft · Scraping
  • R1 · Green Copper

    Elimination Gu

    Gaussian solver browser extension

    Solves linear systems by Gaussian elimination from the toolbar — the seed that grew into Netz.

    Feeds on: matrices
    DormantRefinement · Tools

Sects joined

Experience
Apr 2026 — presentTechdock LabsBackend Developer
  • Backend systems for several production apps, including a creator collaboration platform.
  • Designed and maintain CI/CD pipelines, Docker deployments, production monitoring and analytics.
  • Backend architecture, API design, deployment automation and performance work.
Jun 2025 — Dec 2025DocnishFull-stack Developer & Project Co-Lead · intern → full-time
  • Architected backend and frontend from scratch.
  • Designed the Cashfree & Razorpay payment infrastructure — 32K+ production payments in four months.
  • Co-led engineering across nine production products: booking, CRM, CMS, recommendations, search, orders.
  • Built for 5,000+ concurrent and 300K monthly users; load, unit and E2E tested; Docker, GitHub Actions, AWS.

Battle record

  • Co-founder, Binary BattalionsCoding club under the HOD, Computer Applications, Integral University
  • Top 5 — Smart India Hackathon 2025 (internal)Team lead, Binary Battalions
  • Semi-finalist — HackFiesta 6.0Team lead of ASA · organised by IIIT Lucknow
  • Organiser & question setter — Integral Prompt War 1.0Designed the challenges

Cultivation

BCA, Computer ApplicationsIntegral University, Lucknow · 2023–2026
ISC · 93.75%City Montessori School · 2021
ICSE · 92.00%City Montessori School · 2019
Outside the apertureImmortal in MLBB. Grandmaster in League. The only immortality reached so far.Also builds large-scale Redstone automation in Minecraft — distributed systems, by other means.

Gu arsenal

Skills

Backend

  • Node.js
  • Express
  • FastAPI
  • Socket.IO
  • REST
  • JWT / OAuth

DevOps

  • Docker
  • GitHub Actions
  • AWS
  • Nginx
  • PM2

Data

  • PostgreSQL
  • MongoDB
  • MySQL
  • Redis
  • Redis Streams
  • BullMQ
  • Drizzle

Frontend

  • React
  • Next.js
  • Redux
  • Tailwind
  • D3.js
  • PWA

Languages

  • TypeScript
  • JavaScript
  • Python
  • SQL
  • C++
  • Bash

Testing & payments

  • Artillery
  • k6
  • Jest
  • Postman
  • Cashfree
  • Razorpay

Summon

Backend, distributed systems, AI-powered tools. State the problem — if it’s worth refining, I’ll answer.