Singapore · Est. 2016 · 8+ Years Delivering Results

We Build Software
That Scales With You.

XcelByte is a full-stack software agency trusted by startups and enterprises across Singapore and beyond — turning ambitious ideas into reliable digital products that drive real business outcomes.

Start a Project → View Our Work
8+
Years Experience
40+
Projects Delivered
20+
Happy Clients
5
Countries Served
Flutter React Next.js Node.js PostgreSQL AWS Kubernetes TypeScript Vue.js Docker Firebase MongoDB Golang Redis Flutter React Next.js Node.js PostgreSQL AWS Kubernetes TypeScript Vue.js Docker Firebase MongoDB Golang Redis
About XcelByte

Engineering-First.
Business-Minded.

Founded in Singapore, XcelByte Pte. Ltd. has spent over 8 years partnering with businesses of all sizes — from funded startups to enterprise-grade organisations — to design, build, and scale digital products that actually work.

We're not just a vendor. We embed ourselves in your goals, challenge assumptions early, and deliver software you can depend on long after launch day. Innovate. Elevate. Accelerate.

🎯

Outcome-Driven

We measure success by your business results, not lines of code.

🔒

Enterprise-Ready

Security, scalability, and compliance built in from day one.

🚀

Fast Delivery

Agile sprints, clear milestones, and zero surprises.

🤝

Long-Term Partner

We stay with you post-launch for support, iteration, and growth.

What We Do

End-to-End Software Services

From initial discovery to post-launch growth, we cover the full product lifecycle.

📱

Mobile App Development

Native and cross-platform apps for iOS and Android that delight users and perform at scale.

Flutter React Native Swift Kotlin
🌐

Web Application Development

Fast, accessible, and scalable web apps — from SaaS platforms to customer-facing portals.

Next.js React Vue TailwindCSS
⚙️

Backend & API Engineering

Robust, high-throughput backend systems, REST and GraphQL APIs, and microservices architecture.

Node.js Golang Laravel PostgreSQL
☁️

Cloud & DevOps

Containerised deployments, CI/CD pipelines, auto-scaling infrastructure, and 24/7 monitoring.

AWS GCP Docker Kubernetes
🔗

System Integration

Seamless connections between your existing tools, ERPs, payment gateways, and third-party APIs.

Stripe Xero Singpass Webhooks
🤖

AI & Automation

LLM integrations, intelligent workflows, and process automation that save your team real hours.

OpenAI Claude AI n8n LangChain
Tech Stack

Our Expertise

Battle-tested technologies chosen for performance, reliability, and long-term maintainability.

Frontend & Mobile

React Next.js Vue.js Flutter React Native TypeScript TailwindCSS

Backend & API

Node.js Golang Laravel Express FastAPI GraphQL REST

Data & Storage

PostgreSQL MySQL MongoDB Redis Firestore S3

Infrastructure

AWS GCP Docker Kubernetes CI/CD Cloudflare Terraform

Integrations

Stripe Xero Singpass/MyInfo Twilio SendGrid Agora

AI & Automation

OpenAI API Anthropic Claude LangChain n8n Make.com
How We Work

Our Process

A clear, collaborative workflow that keeps you in control at every stage.

01

Discovery

We dig into your goals, constraints, and users to define what to build and why.

02

Design

UX wireframes, system architecture, and a clear roadmap before any code is written.

03

Build

Agile sprints with weekly demos. You see progress early, not just at the finish line.

04

Launch

End-to-end QA, performance testing, and a smooth, monitored go-live.

05

Grow

Ongoing support, feature iteration, and scaling as your product evolves.

FAQ

Common Questions

It depends on scope. A mobile app MVP usually takes 8–16 weeks. A full SaaS platform can take 4–6 months. We'll give you a detailed timeline after a discovery session — no vague estimates.

Yes — some of our best long-term relationships started with an early-stage MVP. We love working with founders who have a clear problem to solve, even if the product vision is still evolving.

Typically 30% upfront to kick off, 40% at a mid-project milestone, and 30% on delivery. For ongoing retainers, we bill monthly. We're flexible and will find a structure that works for you.

Absolutely. We're comfortable joining existing projects, doing codebase audits, or augmenting your in-house team. We'll do a thorough code review before scoping any work.

Yes, we routinely sign NDAs and are happy to discuss IP ownership and data privacy terms before any engagement begins. Your ideas stay yours.

Get In Touch

Let's Build Something
Worth Talking About.

We have limited project slots each quarter. Reach out now and let's see if we're a fit.

✉ admin@xcelbyte.com 💬 WhatsApp Us
Based In
Singapore, SG
Company
XcelByte Pte. Ltd.
Response Time
Within 24 hours
Email
admin@xcelbyte.com