Custom Software Development

TypeScript Development

Type-safe TypeScript across the stack — fewer bugs and maintainable codebases.

Explore Capabilities

TypeScript development builds JavaScript applications with static typing — catching whole classes of bugs before they ever reach production, and making large codebases far easier to maintain. TechInfini builds in TypeScript across the stack and has delivered more than 500 projects since 2008.

TypeScript development

What TypeScript development covers

TypeScript is JavaScript with a type system added on top. It runs everywhere JavaScript runs, but it checks your code as you write it. TechInfini builds front ends, Node.js backends and full-stack applications in TypeScript, and also migrates existing JavaScript codebases to TypeScript so they become safer to change.

The payoff is concrete: fewer runtime errors, better tooling and autocomplete, self-documenting code, and the confidence to refactor a large application without breaking it.

How TechInfini delivers TypeScript development

We use TypeScript as the default for serious projects, configuring it strictly so the type system does real work rather than being switched off at the first awkward error. Types are designed to model your domain accurately, and the build, lint and test pipeline enforces them.

Whether the project is a React front end, an Express backend or both, our custom software development team builds it end to end in TypeScript for one consistent, type-safe codebase.

Where TypeScript development works best

TypeScript pays off on almost any project beyond a quick script, and especially on these:

  • Applications expected to grow and be maintained for years
  • Codebases worked on by more than one or two developers
  • SaaS products where reliability matters
  • Large front ends and complex backends
  • Existing JavaScript projects that have become fragile
  • Shared code between front end and backend

If you have an existing JavaScript application that is hard to change safely, a migration to TypeScript is often the highest-value improvement available — see the wider custom software development service.

Migrating JavaScript to TypeScript

Moving an existing JavaScript codebase to TypeScript does not have to be a risky big-bang rewrite. TechInfini migrates incrementally — file by file, area by area — so the application keeps working throughout. Each step adds type safety where it matters most, and the result is a codebase your team can finally change with confidence.

What to expect from TypeScript development with TechInfini

Every TypeScript development project runs to the same standard: a proper discovery, then a fixed, transparent scope. Senior engineers lead the work and you review running software at each stage.

TypeScript development with TechInfini does not end at launch — the code is typed, documented and tested, you own it outright, and we stay available for support and new features.

Why choose TechInfini for TypeScript development

We treat TypeScript as an engineering discipline, not a checkbox — strict configuration, well-designed types and enforced standards. Eighteen years and 500+ projects mean your codebase is built to last. To scope a TypeScript project, book a free consultation.

Why TechInfini

Why teams
choose us.

01

Senior-led delivery

Architecture and code decisions are made by senior engineers, so the foundation is right from day one.

02

Built to scale

We design for the load and data you will have in three years, not just today, so you do not rebuild later.

03

You own the code

Clean, documented, tested source code is yours and handed over fully — no black boxes, no lock-in.

04

Built to maintain

Tests, documentation and clear structure mean your team, or any team, can extend it confidently.

05

18+ years, 500+ projects

Proven delivery since 2008 means your software is engineered, not improvised.

How We Deliver

Our delivery process.

01

Discovery & architecture

We map your workflows and data, define the scope, and design an architecture built to scale.

02

UX & design

We design the interface and user flows so the software is clear and quick to work in.

03

Development

We build in focused sprints with working software you can review and test at every stage.

04

Testing & QA

We test for functionality, security, performance and edge cases before anything ships.

05

Launch & deployment

We deploy to your environment, migrate data safely, and make sure go-live is smooth.

06

Support & evolution

After launch we support, maintain and extend the software as your business grows.

Technology Stack

The tools we build with.

Backend

  • Node.js
  • Python
  • PHP
  • Laravel
  • Java
  • .NET
  • Go

Cloud

  • AWS

Database

  • PostgreSQL
  • MySQL
  • MongoDB

DevOps

  • Docker

Frontend

  • React
  • Next.js
  • Vue.js
  • Angular
  • TypeScript
Client Feedback

What clients say about
TypeScript Development.

★★★★★

“They created exactly what we needed. We are very happy with our custom app — they were very responsive and helpful.”

Confidential Owner · Children's Clothes Retailer Toronto, Canada
★★★★★

“They were the best team in India we've hired. They have a breadth of capabilities, which makes it easy to work with them.”

Derek Founder · Digital Agency New York City, NY, USA
★★★★★

“The attention we were given was remarkable. We've been working with TechInfini Solutions for years — they conduct smooth workflows that boost successful results.”

Carol O'Neal Kicinski Founder & President · Simply Gluten Free Florida, USA

Verified reviews from Clutch.co

Questions

Service questions,
answered.

TypeScript adds static typing to JavaScript, which catches whole classes of bugs before they reach production, improves tooling and autocomplete, and makes large codebases far safer to refactor. For any application meant to grow and be maintained, TypeScript is well worth the small extra effort.

Yes. TechInfini migrates JavaScript codebases to TypeScript incrementally — file by file, area by area — so the application keeps working throughout. There is no risky big-bang rewrite, and the result is a codebase your team can change with far more confidence.

Custom software cost depends on scope — the number of features, integrations and users, and how complex the logic is. A focused first version costs far less than a full platform, which is why TechInfini starts with a clear scope and a phased plan. You get an itemised estimate before any development begins.

A focused first version of a custom application typically takes two to four months, while larger platforms with many features and integrations take longer. TechInfini builds in phases, so you get usable software early and a clear, phase-by-phase timeline agreed during discovery.

TechInfini builds with proven, well-supported technologies — React and modern JavaScript on the front end, and Laravel, Node.js, Python and .NET on the back end, with SQL and NoSQL databases. We choose the stack that fits your project, team and long-term maintainability, not a single favourite.

Yes. TechInfini regularly takes over existing software — we start with an audit of the code, architecture and documentation, give you an honest assessment, then fix, stabilise or extend it. Where the existing code is sound we build on it; where it is not, we recommend the most cost-effective path.

Ready When You Are

Let's scope your
TypeScript Development project.

Book a free consultation with a senior engineer — you'll leave with a clear, no-obligation plan.