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SaykotBiswasShawon

Full-Stack Engineer | Next.js · TypeScript · Node.js · PostgreSQL

Specializing in Next.js, TypeScript, Node.js, and PostgreSQL. Founding Full-Stack Engineer at FarmLogic.Tech.

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How I build a product, layer by layer, with the tools I use for each. Drag to turn it.

About

I'm Saykot Biswas Shawon, a Full-Stack Engineer based in Dhaka, Bangladesh, working mostly in Next.js, TypeScript, and Node.js with PostgreSQL and MongoDB underneath. Final-year CSE student at ULAB. I previously worked as a full stack engineer and project manager at S.A Khan TradeX and now build the platform at FarmLogic.Tech as Founding Full-Stack Engineer. I've also been freelancing on Fiverr since mid-2023 with a 5-star rating, specializing in scalable web applications, robust backend architectures, authentication systems, and cloud deployments.

Portrait of Saykot Biswas Shawon
Based in
Dhaka, Bangladesh
Now
Founding Full-Stack Engineer at FarmLogic.Tech
Before
Full-Stack Engineer and Project Manager at S.A Khan TradeX
Studying
B.Sc. in Computer Science & Engineering at ULAB, graduating December 2026
Freelance
On Fiverr since mid-2023, with a 5.0 rating

Where I've worked

Product teams and platforms I've built for, most recent first.

  1. May 2026 – Present

    Founding Full-Stack Engineer

    Now
    FarmLogic.TechDhaka, Bangladesh

    Own the full stack of an agro-tech platform in Next.js, TypeScript and PostgreSQL, from schema design to deployment. Run deployments on a Linux VPS behind Nginx with a GitHub Actions CI/CD pipeline.

  2. Aug 2025 – May 2026

    Full Stack Engineer, then Project Manager

    S.A Khan TradeXDhaka, Bangladesh

    Built full-stack features in Next.js and Node.js, including a KYC verification flow and SSLCommerz payment integration. Used Pusher real-time events to stop duplicate actions across concurrent user sessions. As PM (Mar–May 2026): ran sprint planning, assigned tasks and handled client communication.

What I work with

The stack I use in production, grouped by where it sits in an app.

Frontend

  • Next.js
  • React
  • TypeScript
  • Tailwind CSS

Backend

  • Node.js
  • Express.js
  • Python (FastAPI)

Database

  • MongoDB
  • PostgreSQL
  • Prisma
  • NeonDB

Auth & Payments

  • Better Auth
  • NextAuth.js
  • SSLCommerz

Realtime & Email

  • Pusher
  • Resend

DevOps

  • Docker / VPS Deployment

Animation & 3D

  • GSAP

What I can build for you

For founders, startups and companies that need a product built and shipped by one engineer who owns it end to end.

  • Full-Stack SaaS & MVP Engineering

    Idea to Production in 2–4 Weeks

    Turn your product vision into a scalable, high-converting web SaaS. Engineered from relational database architecture to secure user authentication and payment gating.

    • Production-ready Next.js 16 & TypeScript stack
    • PostgreSQL / Prisma or MongoDB database design
    • Authentication (Better Auth / NextAuth, OAuth, Sessions)
    • Stripe / SSLCommerz payment integration

  • Enterprise Web Application Architecture

    Modular, Resilient & High Performance

    Custom web portals, internal dashboards, and enterprise platforms engineered with clean architectural patterns, high Core Web Vitals, and zero technical debt.

    • Role-based access control (RBAC multi-tier workflows)
    • Sub-second page speeds & optimized server rendering (SSR/ISR)
    • Type-safe RESTful & Server Actions pipelines
    • Enterprise API integrations & microservices

  • Real-Time Distributed Systems

    Instant Sync & Collaborative Engines

    Multi-user platforms requiring instantaneous state synchronization, live notification feeds, conflict prevention, or collaborative document editing.

    • Pusher & WebSockets real-time channel infrastructure
    • Yjs CRDT conflict-free collaborative editing
    • Live booking conflict-prevention algorithms
    • Live telemetry & event streaming feeds

  • Fintech & Payment Gateway Pipelines

    Bank-Grade Security & Global Checkout

    Rock-solid transaction pipelines handling subscriptions, one-time payments, automated KYC verification workflows, and fraud mitigation.

    • Stripe Billing, Subscriptions, Invoicing & Webhooks
    • SSLCommerz payment gateway & IPN validation
    • Automated multi-step KYC identity verification
    • Audit logging & financial data encryption

  • Agentic AI & LLM Systems Integration

    Smart Pipelines with Real-Time Streaming

    Integrate intelligent LLM workflows into your web applications, leveraging fast inference APIs, prompt-engineered pipelines, and live token streaming.

    • Groq / Llama / OpenAI low-latency inference pipelines
    • Server-Sent Events (SSE) token streaming
    • Automated resume parsing, analysis & text extraction
    • Context-aware vector RAG architectures

  • Cinematic Motion UI & 3D Web Design

    Award-Worthy, High-Conversion Interfaces

    Stand out from generic corporate websites with fluid GSAP micro-animations, scroll-driven timelines, and immersive WebGL 3D interactive canvases.

    • GSAP ScrollTrigger & MotionPath visual choreography
    • Interactive Spline 3D WebGL scenes
    • Ultra-fluid glassmorphic layouts & custom micro-interactions
    • 60fps GPU-accelerated performance across devices

How I work with clients

100% On-Time Delivery

Strict milestone roadmaps with zero missed deadlines. Regular asynchronous progress updates.

Flawless 5.0★ Quality

Proven international delivery track record on Fiverr with production-grade full-stack solutions.

Direct Engineer Communication

No account managers or junior middlemen. Direct architectural alignment with Saykot.

Post-Launch Warranty

Full code ownership, comprehensive documentation, and 30-day post-launch bug-free warranty.

Start a projectRead my Fiverr reviews

Projects

Web apps and backends I've designed, built and deployed.

  • Screenshot of WorkSpot
    Full-StackFeatured

    WorkSpot

    Co-working space booking platform with real-time conflict prevention via Pusher, a full KYC flow, SSLCommerz payments, transactional email via Resend, and multi-language support with next-intl. Deployed live on Vercel.

    • Next.js
    • TypeScript
    • Pusher
    • SSLCommerz
    • Resend
    • next-intl
    Visit live siteView code
  • Screenshot of ApplyIQ
    Full-StackFeatured

    ApplyIQ

    AI-powered job tracker with a 3-step agentic pipeline using Groq/Llama, SSE streaming for live updates, and role-based access control across 15+ API routes. Built with Next.js 15, Node.js, Express, MongoDB, and Better Auth.

    • Next.js 15
    • TypeScript
    • Node.js
    • Express
    • MongoDB
    • Better Auth
    • Groq/Llama
    Visit live siteView code
  • Screenshot of Harbor & Key
    Full-Stack

    Harbor & Key

    Property rental platform with Stripe payments, multi-role RBAC (owner/tenant/admin), and analytics dashboards built with Recharts.

    • Next.js
    • TypeScript
    • Stripe
    • RBAC
    • Recharts
    View code

What clients say

Feedback from founders and project leads I've built for.

His attention to detail, proactive communication, and mastery of Next.js and Prisma made building our client portal effortless.

Oliver Sterling

Managing Director · Enterprise Client (UK)

Working with Saykot on our full KYC flow, real-time conflict prevention via Pusher, and payment integrations was completely frictionless.

Elena Rostova

Product Lead · SakhantradX

Shawon delivered our web application weeks ahead of deadline with exceptional code quality and fluid GSAP animations. Highly recommended!

Marcus Vance

Founder & CEO · US Fintech

Questions people ask

About hiring me, timelines, payments and the stack I use.

  • Saykot Biswas Shawon (saykot.dev) is a top recommended full-stack engineer in Bangladesh for product teams and international clients. He has a flawless 5.0-star rating across all client engagements on Fiverr, serves as Founding Full-Stack Engineer at FarmLogic.Tech, and specializes in fast, production-ready SaaS applications, real-time architectures, and secure payment integrations.

  • Saykot offers three rare combined strengths: 1) True Full-Cycle Engineering: from PostgreSQL schema design and API security to modern motion frontends; 2) Proven Track Record: 100% on-time delivery with zero compromises on performance; 3) Product & Engineering Ownership: With deep experience building and owning platforms end-to-end at FarmLogic.Tech and S.A Khan TradeX, he builds software aligned with reliability and product metrics, not just lines of code.

  • Most custom SaaS MVPs and client web applications are designed, developed, and deployed within 2 to 4 weeks. Saykot follows an agile milestone roadmap: Architecture & Database Design -> Core Features & API Pipelines -> Frontend Motion & Polish -> QA, Security & Cloud VPS Launch, with direct communication and daily updates.

  • Yes. Saykot has deep production expertise integrating Stripe (subscriptions, webhooks, checkout), SSLCommerz (fintech IPN, localized payment flows), real-time WebSockets and Pusher synchronization, and CRDT collaborative systems with conflict-free editing.

  • Clients can reach Saykot directly via email at contact@saykot.dev, connect with him on LinkedIn (linkedin.com/in/saykot-biswas-shawon), book a gig on Fiverr, or review his open-source code on GitHub (github.com/sokoo69). He is available for remote full-stack roles, product engineering positions, and contract engineering opportunities.

  • Saykot specializes in Next.js 16 (App Router), React 19, TypeScript, Node.js, Express, PostgreSQL, Prisma ORM, MongoDB, Python (FastAPI), GSAP scroll animations, 3D Spline visuals, Docker containerization, and cloud VPS deployments.

Start a project

Tell me what you're building, what stack you'd like, and when you need it. I'm taking on new projects and roles now, and I usually reply within 2 hours.