Toptal Verified Expert

Enterprise-Grade Software Development That Scales

Trusted by companies serving 18M+ users worldwide. Full-stack expertise from startups to enterprise, with proven results in high-traffic environments.

18M+ Users Served
10+ Years Experience
€1.5M+ Client Revenue
Toptal Verified
enterprise-solution.ts
class RisingMoonServices {
  private experience = '10+ years';
  private usersServed = 18_000_000;
  
  async buildYourSolution() {
    const result = await this.architect();
    await this.develop(result);
    await this.scale(result);
    return 'Success!';
  }
}
iflix
Proximus
Kendaxa
TAM Autohof
Onlinefit
Ticketware

Why Choose Rising Moon Services

Three key differentiators that set us apart in enterprise software development

Battle-Tested at Scale

We've built systems handling millions of concurrent users daily—from video streaming platforms serving 18M+ users to mission-critical telecom infrastructure. Get proven expertise that keeps your application fast, reliable, and scalable as you grow.

18M+ users handled 99.9% uptime guaranteed

Full-Stack Mastery

Stop juggling multiple vendors. We handle everything—frontend, backend, cloud, and mobile. One point of contact means faster delivery, seamless integration, and no finger-pointing. From Node.js and Angular to AWS and microservices, we deliver complete, production-ready solutions.

Full-stack coverage No vendor juggling

Services That Drive Results

Comprehensive software development services from architecture to deployment

Full-Stack Web Development

Modern web applications built with Angular, React, Node.js, and TypeScript. Scalable architecture designed for growth.

  • Single Page Applications (SPA)
  • Progressive Web Apps (PWA)
  • Real-time Applications
  • API-First Development
Angular Node.js TypeScript React

Enterprise Backend Systems

Microservices architecture, RESTful APIs, and scalable backend solutions.

  • Microservices Architecture
  • RESTful & GraphQL APIs
  • Database Optimization
NestJS PostgreSQL Redis

Cloud Architecture & DevOps

AWS infrastructure, containerization, and CI/CD pipelines for seamless deployment.

  • AWS Infrastructure
  • Docker & Kubernetes
  • CI/CD Pipelines
AWS Docker Kubernetes

Legacy System Modernization

Migrate outdated systems to modern tech stacks without disrupting your business.

  • PHP to Node.js Migration
  • Monolith to Microservices
  • Zero-Downtime Deployment
Symfony Migration Refactoring

Mobile App Development

Cross-platform mobile applications with native performance and seamless UX.

  • iOS & Android Apps
  • Cross-Platform Development
  • Native Integration
NativeScript Ionic React Native
8-Hour Response

Urgent Development Support

Emergency bug fixes, critical performance issues, and production outages resolved fast.

  • Emergency Bug Fixes
  • Performance Optimization
  • Security Patches
Get Immediate Help

Technical Consulting & Code Review

Expert guidance for architectural decisions, code quality, and best practices.

  • Architecture Review
  • Code Audit
  • Performance Analysis
Consulting Best Practices Security

Proven Track Record

Real-world projects delivering measurable business impact

Enterprise Telecom Solutions

Proximus - Belgium's Largest Telecom

Challenge

Develop sales and customer support tools for millions of telecom customers. Required complex data management, real-time analytics, and seamless integration with legacy systems.

Solution

Built enterprise-grade Angular applications with robust backend services. Implemented comprehensive data visualization, workflow automation, and multi-system integration using modern web technologies.

Results

Millions Customers Served
40% Faster Processing
Angular TypeScript RxJS Enterprise

Enterprise Dashboard

Workforce Management at Scale

Emplaya - Workforce Management Tool

Challenge

Lead development of microservice-based API for workforce management covering shift planning, vacation tracking, and mobile applications for mid-to-large companies.

Solution

Architected and implemented microservices backend using PHP 7, Symfony 3, and containerization. Deployed on Kubernetes for scalability and reliability. Created comprehensive API documentation and development processes.

Results

Enterprise Ready System
K8s Scalable Deploy
PHP 7 Symfony Docker Kubernetes MySQL

Workforce Dashboard

E-commerce & CRM Integration

TAM Autohof - Gas Station Network

Challenge

Design and implement responsive website and e-shop for 20+ gas stations across Czech Republic and Slovakia, including bonus point system and product management.

Solution

Built full-stack web solution with integrated CRM, allowing customers to spend bonus points online. Implemented responsive design, payment processing, and multi-location management.

Results

20+ Locations
Online E-shop Success
Full-Stack E-commerce CRM Responsive
Visit Website

E-commerce Platform

Modern Tech Stack

Expertise across the full spectrum of modern development tools

Frontend

Angular 5+ years
React
Vue.js
TypeScript 8+ years
HTML5/CSS3
RxJS

Backend

Node.js 8+ years
NestJS
Express
PHP 4+ years
Symfony
GraphQL

Cloud & DevOps

AWS
Docker
Kubernetes
CI/CD
Lambda
Microservices

Mobile

NativeScript
Ionic
React Native
Android
iOS

Databases

PostgreSQL
MySQL
Redis
DynamoDB
MongoDB

Flexible Working Arrangements

Choose the model that best fits your project needs and budget

Urgent Support

Emergency response for critical issues

  • 8-hour response time
  • Bug fixes & patches
  • Performance optimization
  • Production outage resolution
  • Security vulnerabilities
  • 24/7 availability

Dedicated Team

Ongoing partnership & fractional expertise

  • Long-term collaboration
  • Fractional CTO/Developer
  • Continuous delivery
  • Flexible scaling
  • Monthly retainer
  • Strategic partnership

All engagements include NDA protection, GDPR compliance, and SOC 2 security standards

Proven Development Process

Four-step approach to delivering exceptional software

01

Discovery

Deep dive into your business needs, technical challenges, and project goals. We analyze your current systems, identify pain points, and define success metrics.

02

Strategy

Create technical architecture, development roadmap, and resource plan. We propose the optimal tech stack, define milestones, and establish clear deliverables.

03

Execution

Agile development with regular updates and transparent communication. Continuous integration, automated testing, and code reviews ensure quality at every stage.

04

Support

Smooth deployment, comprehensive documentation, and ongoing maintenance. We provide training, monitoring, and continuous optimization to ensure long-term success.

Toptal Verified
Master's in Informatics
Published Researcher

Zsolt Rácz

Senior Software Engineer & Founder

With over 10 years of professional experience in full-stack web development, I've built my career on solving complex technical challenges for leading companies worldwide. From scaling video streaming platforms serving millions to architecting enterprise telecom solutions, my focus has always been on delivering measurable business results through exceptional engineering.

As a Toptal-verified expert since 2020, I bring proven expertise in modern tech stacks including Node.js, Angular, TypeScript, AWS, and microservices architecture. My experience spans multiple continents and industries, collaborating with teams across USA, Malaysia, Australia, and Europe.

Beyond commercial work, I'm passionate about advancing the field through research. I've published papers in IEEE conferences on parallel computing and chaos theory, with my work cited in 10+ academic publications. This blend of academic rigor and practical experience enables me to tackle both theoretical challenges and real-world business needs.

10+ Years Professional Experience
4 Continents International Projects
4 Languages English, Hungarian, Slovak, Czech

Education

Master of Science in Informatics Technical University of Košice (2015-2017)

Graduated with 100/100 thesis score, nominated for IT SPY 2017 award

Bachelor of Science in Informatics Technical University of Košice (2012-2015)

Thesis on traffic flow and driver aggression (99/100 score)

Selected Publications

Start Your Project Today

Free consultation to discuss your software development needs

Contact Information

Based in Hungary, serving clients worldwide. Available for projects across Europe, North America, Asia, and beyond.

Location Budapest, Hungary (GMT+1)
Availability Part-time & Emergency Support
Emergency Response

Critical issues resolved within 8 hours

All communications are confidential and protected under GDPR