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Technical Specification Writing — for Development, a Tender, or an Investor

Not a document written to check a box, but a technical specification built for your company's specific task — for your own development team, a contractor, a tender, or an investor pitch. From an idea or scattered requirements to a structured document you can actually work with.

💬 Ask the AI Assistant → Order a technical specification

Years of experience managing IT projects and defining requirements — applied to turn your idea into a document you can actually work with.

When you need a TS — and when you can skip it

A vague spec means a vague timeline and budget

Without a structured document, development proceeds by guesswork: the contractor or team interprets the task their own way, and the timeline and cost grow along the way instead of being fixed upfront.

A tender without one shared spec isn't a comparison — it's a lottery

If every contractor works from their own assumptions about the task, comparing bids by price and timeline is simply impossible — and after picking one, costly "extras" are nearly inevitable.

Honestly: not everyone needs a formal standard document

If the project is small and your own team is building it, a short two-page spec is often enough — a full document to a formal standard would be overkill. The format should fit the task, not be the default.

What I do

A short spec for a quick start A compact document with the key requirements — so the team can start building without losing weeks to paperwork.
A detailed spec to a formal standard A formal document where it's actually needed — for a large project, a government contract, or legally binding requirements.
A full document set for a tender Spec, cost estimate, and evaluation criteria — so contractor bids can be compared on the same terms.
A spec for handing off to a contractor I formalize the task so the vendor understands it unambiguously — and cost and timeline don't shift midway through the project.
A spec for an investor or grant A structured description of the product and requirements — as the technical part of an application or investor pitch.
A spec for extending an existing system I formalize the requirements for changes to a product already in production — building on what's there, not starting from scratch.

Who this is for

You only have an idea No requirements yet — I'll help turn the idea into a document you can take to developers.
You have a loose, informal description Requirements are scattered across chats, notes, or a slide deck — I'll structure them into a single document.
You have a working system You need a spec for an upgrade or new module that accounts for the current architecture.
You need to align budget internally A spec as the basis for estimating timeline and cost before internal sign-off.
You're planning a tender among contractors One shared document you can use to compare bids objectively.
You need to pitch the project to an investor The technical part of a grant application or investor presentation.

How the work goes

  1. RequestBriefly describe your task in the brief or to the AI assistant in chat.
  2. Getting to know the taskThe spec's purpose, the project's stage, the type of product, and who the document is for.
  3. Gathering and structuring requirementsFunctional requirements and modules, plus non-functional ones — performance, security, scalability, compliance (GDPR and similar).
  4. Sign-offI clarify open questions with stakeholders on your side before locking the final version.
  5. Final documentA finished spec in the right format — with a cost estimate or full tender package if needed.

Not sure which spec format you need?

Ask the AI assistant right now — it'll clarify a couple of details and suggest a format. If your task is already clear, go straight to the brief and get a timeline and cost estimate.

💬 Ask the AI Assistant → Order a technical specification

Frequently asked questions

How long does it take to write a technical specification?

It depends on the format and scope — from a couple of days for a short spec to several weeks for a detailed formal document. Timelines are agreed after getting to know the task.

Do I need a formal standard document if the project is small?

Not necessarily. For a small project, a short spec is often enough — the format should fit the task, not be the default choice.

Can you work from a draft of requirements I already have?

Yes, that speeds things up — the draft gets structured and expanded rather than starting from zero.

What if the requirements change during development?

That's normal — the spec can be updated as details are clarified. What matters is tracking the changes instead of losing them in chats.

Does this work for a tender among several contractors?

Yes, that's a separate format — a spec together with a cost estimate and evaluation criteria, so bids can be compared objectively.

How is the cost of writing a spec calculated?

It depends on the format and depth of the document — a short spec, a detailed formal one, or a tender package. After a short clarification in the brief or chat, I give you a ballpark figure.

Ready to turn your idea into a document you can work with?

Describe your task to the AI assistant in chat, or fill in the "Technical Specification" brief — I'll get in touch to discuss the details and estimate.

💬 Ask the AI Assistant → Order a technical specification

Contact Me

If it's inconvenient to call - write to email)

. Consent may be withdrawn at any time by contacting zhibul.software@gmail.com.

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