GUIDE 2024

What is a Technical Requirement Document?

A technical requirement document concisely conveys the development workflow of a product. Every aspect of a technical writer’s involvement, from basic design to execution, reflects through the document. Read on to discover the tools, process, and importance of writing a technical specification document.

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What is a Technical Requirement Document?

A technical requirement document consolidates the entire product development workflow and presents it straightforwardly and readable. Your company’s product’s functionality, features, and purpose must show up in the technical requirement document.

Revision Log

A consistent record of all document updates helps keep track of all changes.

Executive Summary

A complete project overview summarizes the necessary background information, target audience, product scope, and high-level goals.

Functional Requirements

A detailed section includes a prioritized list of needs for designers and testers to confirm all product goals.

Assumptions, Risks, Dependencies

All factors that affect the product development workflow include resources or constraints, a similar product in the market, and the availability of expertise.

References and Glossary

A list of all supporting documents and relevant external links appears with all technical and non-technical terms needed to read the document.

How Do You Write a Technical Specification Document?

Writing a technical requirement document is quite different from other standard business documents. It follows a structure that ensures all readers can understand the content. The structure is crucial as these readers use the information to complete or start a new project.

Here are some tips to keep in mind as you write a technical requirement specification:

  • Be as concise as possible. Start with a simple introductory passage and include bullet points wherever possible to increase readability.
  • Ensure that your sentence structure is simple and conveys only one idea at a time. Mixing multiple ideas and haphazardly presenting them can make the document difficult to read.
  • Use straightforward language to have a common understanding of the information you are trying to present.
  • Wherever feasible, try to insert pictures into the document. Choosing the right photos will simplify the concept or showcase the relationship between ideas in a simple, visual format that is easier to follow.

If you’re interested in learning the finer details of writing technical documentation, then check out our technical writing certification courses.

Technical Writing Certifications

Benefits of a Technical Requirement Document

A well-written technical specification document will allow your team to arrive at a mutual understanding regarding the technical aspects of the product and the development process.

The document will clarify whether the issue is service availability, response time, security functions, software development, or other technical problems. You and your team can then focus on the user requirements, which vary depending on the product, and find systematic solutions.

A technical specifications document will also highlight information that will help you make some critical decisions:

  • Determining the budget for the project
  • Creating the work breakdown schedule so that all technical specifications are being implemented and adjusted in the product
  • Initiate and develop a plan of communication between the various teams
  • Define and describe risk-management aspects of the project and discuss ways to mitigate the same.

Process for Writing a Technical Requirements Document

Keeping a checklist of the necessary information will help you consolidate all your information and ensure that the technical specification document contains relevant details.

As you start investing time into the writing process, you will need to consider different aspects of the project while writing the document. Project implementation, stakeholders, other companies, and required resources are essential to the technical requirements document.

Try to follow the following steps while carrying out the writing process.

Collect Information

All the essential data in the technical specification document may come from various sources. Ensure that you speak to the developers, stakeholders, designers, operations team, and users for a thorough and precise technical requirements document.

You may collect this information through various means, such as interviews, questionnaires, surveyors, research, or even a roundtable conference with the relevant parties.

Analyze Usage

Being aware of the product and its relevance to user stories and services is essential. Try to collect data on the types of users your product targets and their usage habits. Conducting usage analysis will help you stay at the top of your game.

Moreover, by ensuring that other teams and other stakeholders are aware of this information, your company can make the desired changes in the product to achieve maximum success and performance.

Research Outcomes

As mentioned earlier, the goal of the product development workflow and the technical requirements document is to ensure that user services take center stage. If you want to guarantee user satisfaction, define user needs and how the product can be used in the real world to solve the same.

Consider the following questions:

  • What core issue will your product resolve for your users?
  • What does your product seek to accomplish?
  • Will lives be made easier with your product or software? If so, how?

You will also need to clearly define which teams members are responsible for various aspects of the job. You could use mock-ups, lists, or narratives to achieve this in an organized and understandable manner.

Along with these steps, you could create and design a prototype to clarify the outcomes of the product. The prototypes will allow users to see the implementation of the solutions that your product offers firsthand.

Defining the entire lifecycle of the product development workflow, including the people, processes, software, and technology development, is also crucial to understanding the desired outcomes of your project or service.

Try to identify and point out contingencies dependent on each other and why this is so. If possible, you could also develop solutions that would make them independent of the process and other parts of the product.

Consider Systems

As you write your technical requirements document, consider system qualities that will provide all the details surrounding the quality of service and user requirements.

  • Availability: How much time you can expect your system to run or your product to function, based on your system’s resources, services, and accessibility to users.
  • Performance: Given specific load conditions of various uses, what will be your product’s response time and functionality or service.
  • Serviceability: Is your product easy to monitor, repair, and upgrade? Some critical factors to consider here include planning for downtime, opportunities for maintenance based on patterns of usage, essential times for service availability, schedules for diagnosis and monitoring.
  • Latent Capacity: How will your service or product deal with sudden and unexpected peaks in usage, independent of more resource usage?
  • Scalability: How quickly can capacity and the number of users be increased or decreased without changes in the original design and structure of the product or service.
  • Security: How secure and reliable is the system, including authorization and authentication of users and information during transfer?

Business vs. Technical Specification Document

The technical requirements document deals primarily with science, engineering, and technology. Typical documents include specifications, manuals, datasheets, research papers, field reports, and release notes.

A business requirement document consists of just about any writing people do at work, except journalism and creative work. It includes reports, proposals, emails, minutes, business cases, letters, copywriting, bids, and tenders.

But there is some overlap between the two. A business requirement document contains technical data and specifications, such as reports, bids, and proposals.

Business writers may find themselves editing technical content. Technical writers may be called upon to write persuasive documents for a non-technical audience.

Summing Up Technical Requirements Document

That’s everything you need to know about writing the perfect technical requirements document! Concise and clear documentation, software development, product scope, and user stories are essential components of the document.

There are some standard guidelines that most technical writing interviews will follow. Familiarising yourself with these will increase your chances of getting the job. Over time, writing a technical requirement document will become easier and easier with some practice and guidance, and you will become an invaluable asset to your company.


Here are some frequently asked questions about technical writing and documentation.

What is Technical Writing?

Technical writing is documenting processes, such as software manuals or instructional materials. An FAQ is an excellent example of a technical requirement document. It requires knowledge of the product to create and leads to higher product conversions as well as onboarding.

Writers use various programs to create and edit illustrations, applications to create visual aids, and editors to design, build, and format their work. Some of the most common tools for creating a technical requirements document include Snagit, ClickUp, and Tango.

The technical requirement document focuses on user services and a high-quality product that solves real customer problems. The goal is to record the entire project and use the information presented to either change the existing product or draw inspiration from the current product and start a new project.

By understanding your role as a tech content writer and the responsibilities of the position, you can produce valuable technical requirement documents that will become an essential part of the production process.

Why Does Writing Matter to a Company?

Writing is essential across every big product area on a company’s roadmap. It helps outline:

  • Vision: Delving into the “why” behind a project in written form enables team members to make the hard decisions early. Proper communication gives the rest of the team a clear direction to align their efforts.
  • Planning: Breaking down that vision into explicit, well-articulated stories, goals, sprints, and documentation makes projects attainable and keeps them aligned with customer needs. 
  • Execution: Technical writers who can communicate in written form quickly and efficiently with designers, engineers, and product managers are the ones who can effectively clear roadblocks, resolve disputes, and give their ideas enough momentum to get past the finish line to completion.

Presenting your skills to the company and communicating that you will be a valuable addition to their work environment is essential in securing your position as a technical writer. Formatting your resume clearly and concisely will help you get the job and move upwards.


If you are new to technical writing and are looking to break-in, we recommend taking our Technical Writing Certification Course, where you will learn the fundamentals of being a technical writer, how to dominate technical writer interviews, and how to stand out as a technical writing candidate.

Josh Fechter
Josh is the founder of Technical Writer HQ and Squibler, a writing software. He had his first job in technical writing for a video editing software company in 2014. Since then, he has written several books on software documentation, personal branding, and computer hacking. You can connect with him on LinkedIn here.