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React Development Company

The most popular front-end library in the world

React.js helps teams create user interfaces that ship fast without drifting into inconsistent patterns. With a component-based UI and reusable components, react development stays predictable, easier to onboard, and far less dependent on “special-case” fixes. If you want that same discipline carried through the rest of the product, explore our custom software development services.

0%+

Full-stack developers

Software projects

0M+

Users of our apps

Technology Services

Team Augmentation
Bring in senior React expertise with full-stack coverage (API, cloud, QA) exactly when you need it, without the hiring lag. We embed into your rituals, codebase, and standards, staying SLA-ready and aligned with ISO 27001 expectations. Scale from one senior to a dedicated team as priorities shift - while you retain full technical ownership. - Senior augmentation with full-stack backup - SLA-ready delivery and predictable responsiveness - Fast integration with your staff augmentation for software teams
MVP Development
[MVP Development](https://selleo.com/mvp-development-company) Validate fast, but keep the foundations strong enough for v2. We make intentional trade-offs in scope and engineering effort - while protecting UI architecture and core business boundaries so you don’t paint yourself into a corner. You get a clear delivery path from first release to maintainable iteration.    - Fast validation, intentional trade-offs   - Architecture that survives v2 - Milestones, demos, decision checkpoints
Rescue Mission
If releases are risky and incidents keep stealing roadmap time, we step in to stabilize and restore predictability. We start with a rapid assessment, then run a delivery rescue plan with a clear cadence, measurable checkpoints, and transparent reporting. The outcome is fewer production surprises and a release process you can trust again.  - Stabilize releases, reduce incidents - Clear cadence and reporting - Measurable checkpoints, week by week
Tech Debt Removal
Reduce tech debt without freezing product work. We prioritize improvements by business impact, then refactor and stabilize the highest-risk areas to lower the change failure rate and speed up future delivery. Modernization happens in slices, so your teams keep shipping while the system becomes easier to change - Prioritized by business impact - Refactor and stabilize critical paths - Fewer change failures, faster shipping - See how we start the collaboration

Team Augmentation

Bring in senior React expertise with full-stack coverage (API, cloud, QA) exactly when you need it, without the hiring lag. We embed into your rituals, codebase, and standards, staying SLA-ready and aligned with ISO 27001 expectations. Scale from one senior to a dedicated team as priorities shift - while you retain full technical ownership.

Senior augmentation with full-stack backup
SLA-ready delivery and predictable responsiveness
Fast integration with your staff augmentation for software teams

MVP Development

MVP Development Validate fast, but keep the foundations strong enough for v2. We make intentional trade-offs in scope and engineering effort - while protecting UI architecture and core business boundaries so you don’t paint yourself into a corner. You get a clear delivery path from first release to maintainable iteration.   

Fast validation, intentional trade-offs  
Architecture that survives v2
Milestones, demos, decision checkpoints

Rescue Mission

If releases are risky and incidents keep stealing roadmap time, we step in to stabilize and restore predictability. We start with a rapid assessment, then run a delivery rescue plan with a clear cadence, measurable checkpoints, and transparent reporting. The outcome is fewer production surprises and a release process you can trust again. 

Stabilize releases, reduce incidents
Clear cadence and reporting
Measurable checkpoints, week by week

Tech Debt Removal

Reduce tech debt without freezing product work. We prioritize improvements by business impact, then refactor and stabilize the highest-risk areas to lower the change failure rate and speed up future delivery. Modernization happens in slices, so your teams keep shipping while the system becomes easier to change

Prioritized by business impact
Refactor and stabilize critical paths
Fewer change failures, faster shipping
See how we start the collaboration

services

Understand how we start collaboration

Tell us
about your project

Share your goals, constraints, and current stack. If you need a more structured discovery phase, use our new product discovery & product development services to clarify risks, security expectations, and success criteria (NDA available). We align on scope before timelines 

Call with Technical Team Lead and Business Analyst

Join a call with our Technical Team Lead and Business Analyst. We’ll de-risk the scope, surface key assumptions, and outline an architecture direction that fits your software development lifecycle. You’ll get decision-ready notes and clear next steps

Schedule Interview with the whole Team

Meet the people who will actually deliver: senior React expertise with full-stack coverage. We’ll confirm roles, seniority, and SLA expectations, then align on communication and project management cadence. You’ll see exactly how we integrate with your tea

Streamlined
kick off

Kickoff turns agreements into artifacts: roadmap, responsibilities, and Definition of Done. We set release cadence, escalation path, and reporting so the development process stays predictable. Access and security checks are handled upfront, aligned with ISO 27001 practices.  

OUR EXPERTISEWe made these applications using React

LMS

A micro-learning app for corporations offering scenario-based spaced learning

We have developed a unique admin section while rebuilding existing elements and designs. We have implemented various question types like video, presentation, or fill-in-the-gap, each of them with its own complexities which had to be managed carefully so the app can be easily extended in the future.View project

Meet the people

Meet our React developers

80% of our people work from our offices which enables strong bonds among teammates and supports cross-company passion groups. It allows us to have low turnover rate and reach high-performance mode a few weeks after a project kick-off.

How do you approach custom software development for complex systems?

For custom software and complex systems, we prioritize architecture clarity, integration boundaries, and long-term maintainability. A custom software development company should make intentional trade-offs - so v2 doesn’t require a rewrite.

faq

A strong react software development company delivers more than UI work: it helps you create user interfaces with a maintainable structure, clear boundaries, and measurable quality practices. You get a React codebase that scales with product complexity -- not a fragile front-end layer.

Many development companies can implement features, but a react development company brings proven UI patterns, reusable building blocks, and disciplined architecture choices. That reduces “special cases,” speeds onboarding, and keeps change risk under control.

React development services typically include UI architecture, component libraries, frontend implementation, testing strategy, and performance work (e.g., Core Web Vitals). The goal is predictable delivery with reusable components, not one-off pages.

Yes, modern products need end-to-end development services across UI, backend, QA, and delivery operations. This is where custom software development and application development align UI with business logic so product changes don’t break the system.

Yes, many teams need one partner for web development and mobile app development to avoid duplicated effort and inconsistent UX. We design shared standards so web and mobile applications evolve together.

If React Native fits your constraints, react native can accelerate mobile development by leveraging shared skills and patterns. We validate the trade-offs early (native modules, performance, device integrations) before committing.

Yes, integrating React works best through incremental rollout: define boundaries, replace parts safely, and keep delivery moving. A clear migration process prevents long freezes and limits regression risk.

Use server side rendering when SEO, first-load performance, or content-heavy pages matter. Consider progressive web apps for reliability, offline-like UX, and smoother interactions - then validate impact via real metrics like Core Web Vitals.

Our development process starts with scope alignment: constraints, risks, and security expectations are clarified upfront (NDA if needed). That reduces ambiguity and sets a delivery cadence that’s easier to plan around.

We define roles, responsibilities, Definition of Done, release cadence, and escalation paths early. A clear software development lifecycle creates predictability - especially when priorities shift mid-quarter.

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