Web App Development
We build modern, performant web applications using the latest frameworks and best practices, designed for scale and user experience.
Trusted by leading Singaporean brands
Build Custom Solutions
Software That Works for You, Not Against You
Streamline operations and unlock new growth for your business with tailored solutions. Create software that empowers your success.
Designed for Your Unique Needs
Built to match your exact workflows, processes, and objectives, ensuring efficiency without compromise.
Grows with Your Business
Unlike off-the-shelf solutions, custom software evolves with your business, adapting to growth and new challenges.
Gives You a Competitive Edge
Empowers you with unique features, automation, and data-driven insights that help you move faster and outperform competitors.
What we do
What We Do
Our web development team builds fast, accessible, and scalable web applications that work across devices and grow with your business.
Progressive Web Applications
We build web apps with native-like performance, offline support, and installability across all modern browsers.
Single Page Applications
We develop fast, responsive SPAs with modern frameworks that deliver seamless user experiences.
Server-side Rendered Applications
We build SSR applications for optimal SEO, performance, and initial load times using Next.js and similar frameworks.
Admin Dashboards & Portals
We create data-rich admin interfaces with real-time updates, role-based access, and intuitive navigation.
E-commerce Platforms
We build custom e-commerce solutions with payment integration, inventory management, and optimised checkout flows.
Real-time Applications
We develop applications with live data updates, collaboration features, and WebSocket-based communication.
Applications & Use Cases
Web Applications We Build
Our web development capabilities span a wide range of application types, from content-driven sites to complex data platforms.
SaaS Platforms
Build multi-tenant web applications with subscription management, user onboarding, and analytics dashboards.
Customer Portals
Develop self-service portals where customers can manage accounts, track orders, and access support resources.
Internal Tools & Dashboards
Create web-based tools that centralise data, automate workflows, and give teams real-time visibility.
Content Management Systems
Build custom CMS platforms tailored to your content workflow, editorial process, and publishing needs.
Booking & Scheduling Systems
Develop reservation and scheduling platforms with calendar integration, payment processing, and notifications.
Data Visualisation Platforms
Build interactive dashboards that transform complex datasets into clear, actionable visual insights.
Our Clients
Let your customers take the reign
We assist enterprise clients in their digital transformation by applying established and emerging technologies into their core business models.
Showcase
Our Web App Development Projects
Explore a selection of the platforms and products we have delivered for enterprises across Singapore and the region, showcasing our commitment to impactful results.
Preparing the future of payments with SG Pay.
Discover SG Pay, a cutting-edge payment solution. Simplify transactions and enhance user experiences with a secure and seamless platform.
ShowcaseRead more
NextGEN Global Decarbonisation Initiative.
How we created an intuitive platform for the International Maritime Organisation & Maritime Port Authority of Singapore.
ShowcaseRead more
People's Association: Intelligent Chatbot Assistant.
Creating a transformative procurement solution for the People's Association, enhancing simplicity and efficiency in every step
ShowcaseRead more
Our Technologies
Work with Future-proof Technologies
We stay at the forefront of the latest technology by investing heavily and constantly evaluating the newest emerging technologies and frameworks that enable us to build robust solutions that scale and last.
JavaScript
Leverage the power of JavaScript to build interactive and dynamic web applications.
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React
Harness the power of React to build dynamic and interactive user interfaces for your enterprise applications.
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Node.js
Leverage the power of Node.js to build scalable and efficient backend solutions for your enterprise applications.
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Module Federation
Enhance your frontend architecture with Module Federation and build scalable, modular applications.
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AWS
Reliable infrastructure for building frontend software engineering and dashboard development projects.
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Google Cloud
Work with cloud experts who have implemented solutions across various industries.
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Microsoft Azure
Leverage cloud solutions tested in enterprise environments with Azure expertise.
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Our Process
Our Web App Development Process
A proven, full-cycle approach — from planning to deployment and ongoing support — tailored to your web app development requirements.
Schedule a non-obligatory 30-min consultation
Why Us
Why Us
We specialise in building web applications that are fast, accessible, and built to last.
Expert team in React, Next.js, TypeScript, and modern web standards
Performance-first approach with Lighthouse scores consistently above 90
Accessibility-compliant development following WCAG 2.1 guidelines
Responsive design that works flawlessly across desktop, tablet, and mobile
SEO-optimised architecture that helps your content rank and convert
Benefits & Methodology
Our Web Development Process
We follow a proven process that prioritises user experience, performance, and maintainability at every stage.
UX Research & Wireframing
We start with user research and wireframes to validate the information architecture and interaction patterns before development.
Design System Development
We build component libraries and design tokens that ensure visual consistency and accelerate future development.
Frontend Development
We implement pixel-perfect, accessible interfaces with responsive design, animations, and performance optimization.
Backend & API Development
We build secure, scalable backend services with proper authentication, authorization, and data validation.
Testing & QA
We run unit tests, integration tests, visual regression tests, and cross-browser testing to ensure quality across environments.
Deployment & CDN Setup
We deploy to global CDN infrastructure with automated builds, preview environments, and performance monitoring.
What's Trending in Web App Development
From AI automation to seamless integrations and scalable cloud solutions, businesses are evolving. Discover innovations to optimize workflows and stay ahead.
Driving Digital Transformation With Custom Solutions And AI
Enhancing Efficiency, Personalization, and Growth Through AI-Powered Custom Software
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From Concept to Reality: Building Custom Solutions That Deliver Results
Turning Ideas Into Impactful Software Through Strategy, Design, and Iteration
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Future-Proofing Your Business: Strategies for Long-Term Growth and Success
Unleashing Potential, Embracing Innovation, and Fostering Customer Loyalty for Sustainable Growth
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Our Locations
We are a Software Development Company based in Singapore
With a strong focus on building digital capabilities, we deliver end-to-end technology services that help businesses thrive in a competitive market. From innovative digital solutions to scalable platforms and tailored applications, we leverage our expertise to deliver exceptional results.
100+
Projects
6+
Years
Possibilities
Locate an Office
Difference
What sets One X Tech apart?
One X Tech stands out by offering a unique blend of seasoned expertise, global presence, and recognized credibility to drive transformative outcomes.
2,500+
Top Talent
Leverage expertise from a talent pool of over 2,500 top technology experts across the globe.
100+
Clients Served
Empowering over 100 prestigious clients globally, including Fortune 500 companies.
200+
Projects Delivered
Delivering excellence with 200+ projects, celebrated for excellence in software development and outsourcing.
20+
Years In-market
20+ years on the market, consistently driving forward innovation and digital excellence.
18
Global Service Centers
Active in eight countries, providing localized support and comprehensive solutions worldwide.
Innovative Solutions
Pioneering the use of advanced technologies to solve complex challenges and boost efficiency.
Industry Recognition
Featured as a Top Software Agency in 2023 by Clutch and recognized globally as a leader in technology outsourcing.
Certifications
Adhering to the highest standards with OWASP, Amazon Web Services (AWS), and Google certifications.
Get Started
Schedule a Consultation with a One X Specialist
Thank you for your interest. We’d like to ask a few questions to better understand your project needs.
Testimonials
Our Clients’ Success Stories
Real results. Real impact. See how businesses like yours have partnered with One X Tech to streamline operations and accelerate growth.
"They have a deep understanding of the latest technologies and trends and are always up for a challenge. We're so happy we found them and look forward to continuing to work with them in the future."
Mandy Lim
Manager, Maritime Port Authority
"Their team of experts helped us navigate complex technical challenges and provided invaluable guidance throughout the development process. We're so grateful to have them on our side."
Allen Lim
Technical Lead, Robo Advisor
"Working with One X Tech was a game-changer for our company. Their engineering skills are top-notch and they helped us deliver our product on time and within budget. We couldn't be happier with the results."
Sarah Tan
Technology Manager, UOB
FAQs
Common questions about web app development.
Other Services
We build end-to-end AI-powered products from concept to production. Custom software with AI at the core — architected for scale, compliance, and real-world performance.
Learn moreWe integrate AI capabilities into your existing software systems — from conversational AI and document processing to recommendation engines and predictive analytics.
Learn moreWe design and build bespoke AI systems tailored to your unique business challenges when off-the-shelf solutions fall short.
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