Full-Stack Developer — React, Next.js & Node.js

I build products end to end, and ship them live.

Seven years building full-stack products, covering intuitive frontend experiences, scalable backend systems, databases, and AI-powered features. Shipping software that people use in production every day.

Years of experience

15+

Products / websites shipped

5.0

Client rating on Fiverr

Selected Work

Shipped & running live

HeatBee

Full-stack — frontend, APIs & lead capture

Built a production boiler recommendation platform helping homeowners find the right system. Developed the multi-step quiz, matching logic, backend APIs, lead capture flow, and checkout experience.

ReactNode.jsExpressheatbee.co.uk

Resumlio

Founder / Full-stack — product, AI & platform

AI-powered resume and career platform: resume generation, job-specific tailoring, portfolio publishing, and mock-interview workflows, built around efficient LLM integration.

Next.jsFirebaseGenkit (LLM)resumlio.com

Fit+

Full-stack — Next.js frontend & CMS

Website for a Finnish fitness and wellness platform connecting employees and individuals with 650+ fitness partners across Finland. Built with Next.js and a Payload CMS backend for content management.

Next.jsPayload CMSfitplus.co

With Anouk

WordPress — design & build

Website for the RAW podcast by journalist and meditation teacher Anouk Lorie — podcast episodes, guided meditations, articles, and speaking engagements, built on WordPress with Elementor.

WordPressElementorwithanouk.com

Experience

Seven years, five chapters

May 2024 — Present

Freelance Full-Stack Developer

Self-employed · Remote

Lead end-to-end development, from frontend architecture to backend services, databases, and Linux deployment.
Delivered production-ready products including HeatBee and Resumlio, an AI-powered resume platform.
Build and integrate Generative AI features using Genkit and modern LLM APIs.

Dec 2021 — May 2024

Frontend Developer

Swivt Technologies

Built and maintained responsive, production React web applications.
Implemented client-side caching, pagination, and efficient data handling for large, data-heavy pages.
Set up and maintained CI/CD pipelines; reviewed teammates' code.

Dec 2020 — Dec 2021

Freelance Frontend Developer

Self-employed · Remote

Delivered React frontends end to end, from scoping requirements with clients through to shipping.

Mar 2019 — Dec 2020

Frontend Developer

Paaila Technologies

Built React frontends against secure REST APIs over SQL/NoSQL data.
Created reusable component libraries that sped up feature development.

Mar 2018 — Feb 2019

UX Designer / Frontend Developer

Deltatech Nepal

Built accessible, responsive interfaces from UI/UX designs, working directly with stakeholders.

About

I'm a full-stack developer from Biratnagar, Nepal, with deep frontend roots in React and Next.js and full-stack delivery with Node.js. I'm comfortable owning features end to end — from UI and component architecture through APIs, databases, and deployment — and my recent work ships live products with LLM-powered AI features.

Frontend Architecture

React & Next.js applications with TypeScript — component systems, state management (Redux Toolkit, Zustand), and fast, responsive UI.

Backend & APIs

Node.js and Express services, REST and GraphQL API design, PostgreSQL and NoSQL data modeling.

AI / LLM Integration

Generative AI features built into real products — resume generation, tailoring, and interview workflows with Genkit and LLM APIs.

Delivery & DevOps

CI/CD pipelines, Docker, testing, and Linux deployment. Features owned from first commit to production.

What clients say

“Another fantastic project completed ahead of schedule! I honestly can't recommend Sakar enough — always helpful, quick to respond, explains everything I need to know. Brilliant!”

“They are honestly the best to work with! They always ensure the job is done right and in a timely manner. We have used them multiple times and will continue to use them moving forward.”

View all reviews on Fiverr