Full Stack Software Engineer (mern)

Cplusoft; Doha; On-site; QAR 90,000 - 130,000; Full time

Job summary

Cplusoft is seeking a Full Stack Software Engineer (MERN) for an on-site role in Doha, Qatar. You will lead the design, build, and deployment of scalable web applications across the full development lifecycle, leveraging React, Next.js, Node.js, and MongoDB.

Expect modern tooling, server-side capabilities, and AI-assisted coding practices to enhance speed and quality. You will implement secure APIs (REST/GraphQL), manage data schemas, optimize performance, and maintain CI/CD pipelines using

Qualifications

• Experience designing and deploying MERN web applications.
• Strong backend and database design skills (MongoDB, Prisma/Mongoose).
• Proficiency with modern testing and CI/CD pipelines.

Responsibilities

• Architect and build responsive MERN applications with high performance.
• Develop secure RESTful and GraphQL APIs in Node.js/Express.js or NestJS.
• Design robust data models and optimize MongoDB queries; implement caching with Redis.

Tools

React

Next.js

TypeScript

Tailwind CSS

Shadcn UI

HTML5

CSS3

Node.js

Express.js

NestJS

RESTful APIs

GraphQL

WebSockets

MongoDB

Mongoose

Prisma ORM

Redis

TanStack Query

Zustand

Redux Toolkit

Docker

AWS

Vercel

GitHub Actions

Vitest

Jest

Playwright

ESLint

Prettier

Vite

Turbopack

Git

GitHub

Job description

# Full Stack Software Engineer (Mern)Full Time (On Site)Doha, QatarExp: Mid-levelDepartment: It### DescriptionAbout the RoleWe are seeking an experienced Full Stack Software Engineer specializing in the MERN stack to lead the design, build, and deployment of modern, scalable web applications. In this role, you will work across the full development lifecycle—from crafting fast, type-safe user interfaces to engineering robust backend microservices, database architectures, and cloud deployments. We emphasize modern development workflows, utilizing up-to-date frameworks, server-side capabilities, and AI-assisted engineering tools to deliver high-performance software.### Requirements* Key Responsibilities* Architect and maintain responsive, high-performance web applications using React, Next.js (App Router), TypeScript, and Tailwind CSS.* Design and implement secure RESTful and GraphQL APIs using Node.js and Express.js or NestJS.* Manage MongoDB schemas, indexing, and query optimization, leveraging ORMs like Prisma or Mongoose alongside Redis for caching and session storage.* Handle application state and async server data efficiently using Zustand, Redux Toolkit, and TanStack Query (React Query).* Containerize applications with Docker and maintain continuous integration and deployment pipelines via GitHub Actions, AWS, or Vercel.* Implement automated testing suites using Vitest, Jest, and Playwright to maintain high code coverage and reliability.* Optimize applications for Core Web Vitals, maximum load performance, and low-latency API response times.* Leverage modern developer tools, including AI code assistants (GitHub Copilot, Cursor), to boost development speed and code quality.* Required Technical Skills* Frontend: React, Next.js (App Router), TypeScript, Tailwind CSS, Shadcn UI, HTML5, CSS3* Backend: Node.js, Express.js, NestJS, RESTful APIs, GraphQL, WebSockets (Socket.io)* Databases & Caching: MongoDB, Mongoose, Prisma ORM, Redis* State Management & Data Fetching: TanStack Query (React Query), Zustand, Redux Toolkit* DevOps & Cloud: Docker, AWS (S3, EC2, Lambda), Vercel, GitHub Actions (CI/CD)* Testing & Quality: Vitest, Jest, React Testing Library, Playwright, ESLint, Prettier* Build & Version Control: Vite, Turbopack, Git, GitHub* Preferred Qualifications* Experience with serverless architectures, edge functions, and microservices design.* Familiarity with vector databases (Pinecone, Qdrant) and LLM application integration (OpenAI, Gemini APIs).* Experience with relational databases like PostgreSQL alongside NoSQL solutions.* Hands-on experience setting up error monitoring and performance tracking using Sentry, Datadog, or PostHog.