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>_ProductScope StudioFrom an idea to a shareable PRD_> Open_> Open
>>>Build new0 to 1: MVPs, SaaS, AI features
>>View Build path>Generative AI Solutions>PoC/MVP Development>SaaS Development
>>>Modernize and scale1 to 100: prototype-to-prod, backlog, hybrid
>>View Modernize path>End-to-end Software Development>Prototype to Production>Hybrid Teams
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Contact

contact@apptension.com+48 793 925 552sales@apptension.com

Company Information

Apptension sp. z o.o.
Górecka 1
60-201 Poznań, Poland
VAT-ID: PL7831720203
REGON: 360404804
KRS: 0000534235

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Back to expertise

React & Next.js Development_

>> React and Next.js product surfaces that load fast, stay maintainable, and connect cleanly to your APIs. We build design-system driven apps, App Router experiences, and complex dashboards. Pair with Node.js or Django backends from the same senior team when you want one accountable delivery org.

360+

Projects

Product and SaaS frontends delivered since 2012

100%

Senior engineers

Independent engineers who own quality

SSR

Ready

App Router, performance budgets, and crawlable surfaces

Direct answer

Product UI is a delivery risk when performance, TypeScript discipline, and design systems drift. We ship React and Next.js SaaS interfaces that stay fast under real usage, owned by senior engineers end to end.

__> Trusted by leaders

>> When this stack fits

Honest fit gates. We will tell you when another approach is better.

Strong fit

  • SaaS dashboards, marketing sites, and authenticated product apps
  • Design-system driven UI with long-term maintainability
  • Next.js App Router needs: SEO, SSR/ISR, and edge-friendly delivery
  • Teams that want React web aligned with React Native mobile later

Weak fit

  • Pure CMS brochure sites with no engineering ownership needed
  • Pixel recreation with no product decisions or acceptance criteria
  • Staffing that expects junior churn behind a senior sales pitch

Stack: React · Next.js · TypeScript · Vite · Tailwind CSS · GraphQL · React Query

What we deliver

_> Capabilities on this stack

01

SaaS product UIs

Complex tables, workflows, billing settings, and role-aware navigation built for daily use.

02

Next.js App Router delivery

Server components, metadata, and performance patterns that stay crawlable for search and AI bots.

03

Design system implementation

Token-driven components that keep product and marketing surfaces consistent without card soup.

04

Frontend for AI features

Streaming UIs, citation views, and permission-aware copilots that do not leak data.

How we deliver React and Next.js work

01

UX and technical constraints

Lock journeys, accessibility bar, and performance budgets before component sprawl.

02

Vertical UI slice

Ship one authenticated flow with real API contracts, tests, and deploy path.

03

Scale the system

Expand the design system and routes. Keep Core Web Vitals and ownership documented.

Related projects

_> See how we've applied our expertise

Explore our portfolio
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Building an AI-powered data analysis tool that makes complex retail analytics accessible in 10 weeks using RAG for LLMs.

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>>Related guides

_> Cite-worthy depth behind this stack

Frameworks and scorecards buyers and answer engines can quote. Each guide links back to delivery proof.

React Native vs Flutter for SaaS and Product Teams

Choose React Native or Flutter with a clear decision table for SaaS and product teams: team skills, shared web stack, release ops, and when each stack is the wrong fit.

How to Choose a Node.js, Python, React, or React Native Partner

Score Node.js, Python/Django, React/Next.js, and React Native partners on senior ownership, stack proof, AI delivery governance, compliance, trial sprints, and handover. Senior engineers only.

Senior-Only Boutique vs Large Software House vs Body Shop

Choose a senior-only boutique, large software house, or body shop with a clear decision matrix: seniority, coordination cost, compliance readiness, and TCO for CTOs.

How to run product design process in an AI enabled era

A practical product design process for AI enabled products: what changes, what stays, and how to ship safely with clear metrics, tests, and feedback loops.

AI Assisted SaaS Development Using Apptension SaaS Boilerplate

A practical guide to AI assisted SaaS development with Apptension SaaS Boilerplate: what speeds up, what breaks, and how to measure results in production.

FAQ

Yes. React and Next.js are core to our SaaS and product delivery. Senior engineers only. 360+ projects since 2012.

Yes. We ship App Router products with generateMetadata, server components where they help, and performance budgets that keep pages crawlable.

Yes. We implement design systems faithfully and push back when interactions would hurt accessibility or performance.

Yes. We deliver full-stack with Node.js or Python/Django, or embed as a Hybrid Team next to your existing API owners.

The boilerplate includes a React frontend on a Django backend. Use it to launch faster, or hire us to customize and harden it for production.

>> Where this goes next

Adjacent expertise and the engagement models we deliver it through.

Related offers

SaaS DevelopmentGenerative AI SolutionsHybrid TeamsEnd-to-end Software Development

_> Product UI

Frontend that stays fast in production

React and Next.js SaaS UIs with TypeScript discipline and senior ownership.

contact@apptension.com+48 533 352 052

Services

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  • PoC/MVP Development
  • End-to-end Software Development
  • Prototype to Production
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Company Information

Apptension sp. z o.o.
Górecka 1
60-201 Poznań, Poland
VAT-ID: PL7831720203
REGON: 360404804
KRS: 0000534235

Follow Us

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