09/29/2026 updated

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40 % partially available

Technical Content Writer | API Documentation Specialist | MERN Stack Developer

Chamba, India
Only remote
Bachelor of Computer Applications (BCA)
Chamba, India
Only remote
Bachelor of Computer Applications (BCA)

Profile attachments

Sunny_Kumar_Resume.pdf

About me

I’m a detail-oriented Technical Content Writer specializing in clear, engaging technical content and API documentation. I turn complex concepts into simple, user-friendly content, with a strong focus on accuracy, research, structure, and client satisfaction.

Application Programming Interfaces (APIs)Content CreationSwaggerTechnical WritingsTechnical DocumentationGitApi Design
Technical Writing
Creation of clear, accurate, and developer-focused technical content including articles, tutorials, developer guides, API documentation, and content research with editing and proofreading.

API Documentation
Writing and maintaining OpenAPI (Swagger) documentation for REST APIs, including endpoint and parameter documentation, schema definition, and request/response models.

Web Technologies
Practical knowledge of HTML, CSS, JavaScript, React.js, Node.js, and Express.js for understanding and communicating software and web development concepts.

Database: MongoDB
Familiarity with MongoDB as a database technology within the MERN stack environment.

Tools and Platforms
Experience using Git and GitHub for version control and collaboration on technical projects.

Content Structuring
Structuring content using headings, subheadings, examples, lists, and step-by-step explanations to improve readability and user experience.

Technical Research
Researching complex technical concepts and modern web technologies to produce relevant, accurate, and up-to-date technical content.

Simplifying Complex Concepts
Transforming complex technical topics into easy-to-understand guides for both technical and non-technical audiences.

Full Stack Development
Hands-on experience developing web applications using React.js, Node.js, and Express.js, including components, props, state management, and backend routes.

Experience

Professional experience0 - 5 years
Freelancer since2025

Languages

EnglishFluent

Project history

Technical Content Writer

Anodoc Technologies
Created clear, accurate, and developer-focused technical content covering software and web technology topics. Researched complex technical concepts and converted them into easy-to-understand articles, tutorials, guides, and documentation. Collaborated with technical teams to understand product features, workflows, and technical requirements. Structured content using headings, subheadings, examples, lists, and step-by-step explanations for better readability.

Technical Content and Documentation

Cross-Border Crypto Payment App
Writing technical articles and FAQs explaining how users open a USD account and use it to send cryptocurrency to recipients in other countries, covering account setup, funding, and cross-border transfer workflows. Simplifying complex crypto and cross-border payment concepts into clear, user-friendly guides for both technical and non-technical audiences. Developing and maintaining FAQ content and handling backend technical customer support.

API Documentation Writer

Open API Documentation Project
Writing and maintaining OpenAPI (Swagger) documentation for REST APIs, including endpoints, methods, parameters, and authentication details. Defining and adding request/response schemas to accurately describe data models and object structures used by the API. Structuring API reference content for clarity and ease of use by developers integrating with the API.

Developer

Note Maker
Developed a note-making application using Node.js, Express.js, EJS, and Tailwind CSS. Implemented dynamic routing and frontend-to-backend data communication. Worked with backend routes and server-side application functionality.

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