TypeScript development

The language we use for websites, admin panels, APIs and AI tools. It catches mistakes before launch, so your clients never see them, and the product stays easy to grow for years.

Reliable code

strict typing reduces the risk of bugs

Enterprise ready

from startups to complex platforms

No. 1 on GitHub

the most popular programming language in 2025

Proven

by Microsoft, Slack and Airbnb run on it

Get an estimate See our works

What is TypeScript?

TypeScript is a strongly typed programming language from Microsoft built on JavaScript. Types are checked at build time, so whole classes of bugs show up before the code reaches users, and the output is plain JavaScript that runs anywhere. Synapse Team writes its projects in TypeScript, including the agency’s own website.

What we build in TypeScript

Pick the service that matches your project, or start the brief and we route it for you.

Websites

Turnkey websites: interface, CMS and integrations in one language.

SaaS products

Products where payments and client data are protected from errors.

Custom software

Dashboards, portals and tools that are easy to maintain.

Frontend development

React and Astro interfaces in TypeScript.

MVP development

A fast launch that is easy to grow after version one.

Online stores

Stores where checkout errors are caught before launch.

Why we default to TypeScript

Types work as an agreement inside the team and with every integration. On every build the compiler checks the whole project, and that is exactly the safety net fast delivery needs.

Bugs are found during the build, not on the live site
Changes are safe: the compiler shows every place they touch
Clear data rules for APIs, the CMS and payments
Every change, including AI-assisted ones, is checked by types first, then by an engineer

When we recommend something else

Not every task needs TypeScript. Here is when we honestly recommend another option, and build it ourselves.

A small one-off script: plain JavaScript is enough
WordPress themes and plugins: the main language there is PHP
Laravel projects: we write them in PHP
A large older JavaScript project: we estimate the switch separately

Technologies we build with

Astro Payload CMS Next.js React Vendure Node.js WordPress Laravel

AI-fast or classic: you choose the pace

AI speeds up development, engineers guarantee quality: every change is checked automatically by types first, then by a senior engineer before release. Prefer a traditional process? We run that too, with the same quality bar.

Option A

Classic build

Traditional cycle with the same team and quality gates.

SaaS MVP in TypeScript

from $10,000 · 10–12 weeks

Option Bup to 2× faster

AI-powered build

Fastest path to launch. AI speeds up the work, engineers verify every line.

SaaS MVP in TypeScript

from $4,000 · 4–6 weeks

Pricing and timelines

Landing pagefrom $1,0003–5 days

Corporate websitefrom $2,0001–2 weeks

Store with up to 50 productsfrom $3,0003–4 weeks

AI chatbot or automationfrom $2,0001–3 weeks

Draft ranges. Final numbers arrive after a short brief: tell us about the project in the chat and the team sends a precise estimate within one business day. Updated: October 2026

Full pricing

Our works

Real projects with measurable results: stores, platforms and AI products we ship end to end.

dealfin.cz

E-commerce - DealFin

Full cycle on WooCommerce: prices follow the gold rate, an exchange section, 4 languages, integrations and support to this day.

digitallicense.shop

E-commerce - Digital License

A high-traffic store built from scratch: hundreds of products, 10 languages, 6 currencies and automatic license delivery.

upwex.io

AI tool - Upwex

Our own SaaS from idea to paying users: AI rates Upwork jobs, prepares proposals in the freelancer's voice and submits them 24/7.

View all projects

How we work

Brief

A short chat about goals, scope and deadlines.

Estimate

Fixed price and timeline within one business day.

Data structure

We define data and links between systems before the first screens.

Build

Features and integrations with weekly demos.

Launch

Go-live, monitoring, analytics and project handover.

Reviews

What clients say

4.9

34 verified reviews on Clutch

Clutch

I have confidence that we are working with the right partner.

Head of MarketingIT consulting company

Clutch

I was impressed by their communication.

CEOReadTomato

Clutch

They delivered as promised and were technically competent.

Founder & Managing DirectorProject Neon

Clutch

The management team was exceptionally professional.

CBOWOXAPP

Clutch

Synapse Team had an outstanding project management system.

Marketing ManagerIncode Group

Clutch

I'm very happy with their work so far.

CMOCrypton Studio

Clutch

The whole process was well-organized, and everything was completed on time.

CBDOIT outstaffing agency

Clutch

Their team is committed to staying within set timelines.

CEOOGDSolutions OU

Clutch

Their technical prowess and project management capabilities consistently met and exceeded expectations.

CBDOIT services company

Clutch

I have confidence that we are working with the right partner.

Head of MarketingIT consulting company

Clutch

I was impressed by their communication.

CEOReadTomato

Clutch

They delivered as promised and were technically competent.

Founder & Managing DirectorProject Neon

Clutch

The management team was exceptionally professional.

CBOWOXAPP

Clutch

Synapse Team had an outstanding project management system.

Marketing ManagerIncode Group

Clutch

I'm very happy with their work so far.

CMOCrypton Studio

Clutch

The whole process was well-organized, and everything was completed on time.

CBDOIT outstaffing agency

Clutch

Their team is committed to staying within set timelines.

CEOOGDSolutions OU

Clutch

Their technical prowess and project management capabilities consistently met and exceeded expectations.

CBDOIT services company

Frequently asked questions

How is TypeScript different from JavaScript?

TypeScript is JavaScript with a type system: the same language your browser runs, plus checks during the build. The compiler verifies the data before release and outputs plain JavaScript. The site runs and is hosted exactly the same way.

How much does TypeScript development cost?

The language does not change our pricing:

SaaS MVP in TypeScript: AI from $4,000 (4–6 weeks), classic from $10,000 (10–12 weeks).
Internal tool in TypeScript: AI from $4,000 (3–6 weeks), classic from $6,500 (6–10 weeks).

Describe your project in the chat and the team sends a precise fixed-price estimate within one business day.

Does TypeScript slow development down?

A little slower at the start, faster every month after: changes stop breaking hidden places, new developers understand the project sooner, and reviews focus on logic instead of bug hunting. Types also filter out wrong changes automatically, including AI-assisted ones.

Can you migrate an existing JavaScript project to TypeScript?

Yes, and it can be gradual: TypeScript runs next to JavaScript in one project, so we move the riskiest parts first, payments and data handling, and the rest over time. The product keeps getting updates during the whole switch.

What does TypeScript give me as a client?

Fewer bugs on the live site, cheaper support and clear code that is easy to grow. It is one of the reasons we can commit to a fixed price and timeline.

Tell us about your project

I run a business, but I get no clients or leads from the internet. What should I do?

Depends on the goal. Pick what sounds closest and I will suggest a solution with a ballpark estimate:

I need a website
I want to sell online
My site brings no clients
I want AI in my business
I have a product idea

AI estimate

Telegram welcome@synapseteam.com

Start the brief in our chat: a few short questions, and the team sends a precise estimate within one business day.