TypeScript Development Services
JavaScript with types, so mistakes surface before release.
TypeScript is JavaScript with a type system added, which helps teams catch errors early and keep large codebases readable. Our TypeScript development services cover new applications, APIs and the gradual conversion of JavaScript projects for B2B clients, all delivered from a written scope with a named delivery lead. TypeScript is often used with React, which our React.js development services cover.
- Engagement models
- 3
- Every project has
- A named lead
- Signed before details
- Mutual NDA
- Confirmed in the contract
- Your IP
What We Build With TypeScript
TypeScript is not a separate kind of product. It is a safer way to write the same web and server code.
Typed Frontends
React, Angular and Vue interfaces written with types for safer changes.
Node.js Back Ends
Typed services and APIs where data shapes are checked as code is written.
JavaScript Conversions
Existing JavaScript moved to TypeScript a file at a time, while the product keeps running.
Shared Type Packages
One set of data definitions used by both the interface and the server.
Typed API Clients
Generated or hand-written clients so calls to your APIs are checked.
Reusable Libraries
Internal packages with clear, documented types that other teams can adopt.
When TypeScript Is the Right Choice
TypeScript pays back most as code grows and more people touch it. These are the usual triggers.
-
Teams with a growing JavaScript codebase
Bugs from unexpected data shapes
Changes in one place break another, and nobody is sure what a function receives.
- Audit of the existing code
- Convert file by file
- Strictness raised in steps
-
Product companies
A new application meant to last
You expect many developers over many years and want mistakes caught early.
- Types set up from day one
- Shared definitions for client and server
- Checks run in the pipeline
-
Engineering managers
Developers who need TypeScript skills
Your team is strong on JavaScript but short of capacity or experience with types.
- Join your repository and process
- Agreed typing standards
- Notes your team can follow
TypeScript or Plain JavaScript?
Plain JavaScript has no build step to learn and is quick for small scripts. TypeScript adds a layer of checking that grows in value with the size and age of the code.
TypeScript is usually the better fit when
- The codebase will be large or long-lived
- Several developers work on the same code
- Data passes between an interface and an API
- You want safer refactoring and better editor help
| Consideration | TypeScript | Plain JavaScript |
|---|---|---|
| Catching mistakes early | Many errors found before the code runs | Most errors appear at runtime |
| Large teams and long life | Types document what code expects | Relies on discipline and comments |
| Setup effort | Needs a build step and configuration | Runs with almost no setup |
| Quick scripts and prototypes | More ceremony than needed | Faster to write |
| Editor support and refactoring | Strong autocompletion and safe renames | More limited |
| Best for | Applications that grow and change | Small scripts and short experiments |
How We Deliver Your TypeScript Project
Every project moves from a written scope to agreed review points, so you always know what is happening and what comes next.
Review and Set Strictness
We look at the codebase and agree how strict the type checks should be, and how fast to tighten them.
Typing planConfigure the Project
Compiler options, linting and build steps are set up so the checks run for everyone.
Tooling in placeWrite or Convert Code
New code is written typed, and existing files are converted in sprints with a demo each time.
Typed codeType the Boundaries
API responses, forms and shared data get precise types, backed by tests where behaviour is risky.
Safer data flowAutomate and Hand Over
Type checks join the build pipeline, then the configuration and typing guidelines pass to your team.
Checks automated
What Affects the Cost of TypeScript Development
TypeScript is a language choice rather than a product, so cost depends on what it is applied to. These are the factors we settle in discovery.
Size of the codebase
Converting a large project takes more effort than typing a small one.
Strictness level
Strict settings catch more mistakes and need more clean-up work to reach.
Quality of existing data definitions
Messy or undocumented API responses must be understood before they can be typed.
Third-party libraries
Libraries with weak or missing types need extra definitions.
Test coverage
Conversions are safer with tests, and writing them first adds effort.
Team skills
Teaching a team new type habits needs time alongside the build.
Why Build in TypeScript With NetOfficials
The working terms below are part of every engagement, not extras.
One Cross-Functional Team
Design, development, testing and DevOps run through a single team, so decisions stay connected.
Senior From Day One
The senior engineer who scopes your work stays involved while it is delivered.
You Own Everything
IP assignment is confirmed in the contract, and you receive the full source code and documentation at handover.
Mutual NDA
We sign a mutual NDA before you share the details of your project.
Your Working Hours
We agree a communication window that suits your time zone at the start.
Visible Progress
Work is tracked in Jira, with a demo and your feedback at the end of every sprint.
The Tools Around Your TypeScript Project
We recommend technology for your project and your team's future, not for our convenience. Three questions guide every choice.
Will it handle your load?
We size the design for your expected users, data and growth, so it does not need rebuilding when the business grows.
Will it fit your systems?
We check how the stack connects with the tools, databases and partners you already rely on before we commit to it.
Can you support it later?
We favour well-supported technology with a wide talent pool, so your own team or any future partner can maintain it.
Technologies we work with
TypeScript
React
Next.js
Angular
Vue.js
Node.js
GraphQL
PostgreSQL
MongoDB
Docker
AWS
AzureFlexible Ways to Work With Us
Pick the model that fits where your project is today. You can move between them as it grows.
Project Delivery
We deliver an agreed scope, timeline and price.
- Written discovery scope
- Milestone reviews
- Best for a clear first release
- For ongoing work
Dedicated Team
A team that works only on your project, led by a named delivery lead.
- Cross-functional team
- Sprint demos and planning in Jira
- Scale the team up or down
Team Extension
Specialists who join your existing team, tools and processes.
- Works in your process and tools
- Agreed overlap hours
- Best for adding a missing skill
Related Technologies and Services
Technology choices connect to services and hiring. These pages cover what people usually read next.
TypeScript Development Services FAQs
What is TypeScript?
TypeScript is JavaScript with a type system added. It checks your code as you write it and is then turned into ordinary JavaScript to run.
Do I have to rewrite my JavaScript?
No. TypeScript can be adopted gradually, one file at a time, and JavaScript and TypeScript files can sit side by side.
Does TypeScript make the application faster?
Not at runtime. The benefit is fewer mistakes and easier changes, which saves time during development and maintenance.
Which frameworks work with TypeScript?
React, Angular, Vue.js, Next.js and Node.js all support it, and Angular is built around it.
Is TypeScript worth it for a small project?
Sometimes. If the code will stay small and short-lived, plain JavaScript can be enough. We say so during scoping if that is the case.
Who owns the code after conversion?
You do. The contract settles ownership before work begins, and handover includes the repository and typing guidelines.
Ready to Build in TypeScript?
Share a few details. A senior engineer reads every brief and replies with questions and a suggested next step.
- We review your briefAnd reply with questions
- We sign a mutual NDABefore you share the details
- You get a written scopeTeam, timeline and model, before any commitment