As an IT Support Professional and Systems Administrator, I specialize in keeping businesses operational by managing complex backend systems, from core Microsoft environments to High-Performance Computing (HPC) infrastructures. With a background spanning Managed Service Providers (MSPs) and cutting-edge AI organizations, I bridge the gap between advanced technical architecture and seamless end-user support.
⚙️ Core Technical Expertise:
High-Performance Computing (HPC) & AI: Infrastructure optimization and technical support for advanced computing environments and AI workloads.
Managed Services (MSP) Operations: Comprehensive client infrastructure support, remote monitoring, and multi-tenant environment management.
Cloud & Microsoft Ecosystem: Office 365 Administration, Microsoft Azure, Active Directory (AAD), Windows Desktop Systems.
IT Service Management (ITSM): ServiceNow, JIRA, Salesforce, incident lifecycle management.
Remote Support & Infrastructure: LogMeIn Rescue, BeyondTrust, hardware/software deployment, asset management.
Communications: VoIP, telephony, and telecom network support.
I am passionate about continuous learning and staying updated with emerging tech to deliver innovative, root-cause solutions rather than just temporary band-aids.
📩 Open to networking and discussing opportunities in IT Administration, HPC Infrastructure, and Technical Support.
Jira
Tech & IT
ServiceNow
Ticketing System
Microsoft Azure
Information Technology
Computer
Office 365
LogMeIn Rescue
Salesforce
BeyondTrust
Oracle Cloud
Edgardo C.
Davao, Philippines
$15/hr
4.7
35 jobs
✅ Overview
I’m a VoIP Administrator with over 10 years of experience managing and optimizing phone systems for businesses of all sizes. I specialize in RingCentral, Dialpad, 8x8, Google Voice, GoTo, and other VoIP platforms — helping companies streamline communication, improve call quality, and ensure reliable call routing.
From IVR setup and number porting to call queue management and CRM integration, I deliver solutions that keep phone systems running smoothly for both staff and customers.
💼 Services I Provide
Phone System Setup & Administration - RingCentral, Dialpad, 8x8, Google Voice, GoTo, Nice inContact, Grandstream, RingCX
IVR (Auto-Attendant) Design & Implementation - Custom menus, business/after-hours routing, multilingual prompts
Call Queue & Routing Optimization - Overflow handling, priority routing, and fallback options
Number Porting & Account Migration - Hassle-free transfer of business numbers across platforms
User Onboarding & Training - Account creation, extension assignments, and permissions
Troubleshooting & Support - Call quality issues, dropped calls, one-way audio, faxing problems
Compliance Setup - SMS/TCR registration & HIPAA-compliant call handling
CRM & Third-Party Integrations - Salesforce, Zapier, Podium, Beetexting
📊 Sample Projects
🔹 Healthcare Practice – RingCentral IVR & Call Queue
Built a multi-level IVR for scheduling, billing, and nurse line.
Added after-hours routing with voicemail to HIPAA-compliant inbox.
Reduced missed calls by 40% within the first month.
🔹 Multi-Location Business – Dialpad Migration
Migrated 50+ users fromDialpad to RingCentral.
Configured shared call queues and AI-powered call transcription.
Delivered staff training and SOP documentation.
🔹 SMS Compliance for Retail Client
Completed 10DLC campaign registration for SMS.
Updated client website to meet carrier requirements.
Enabled mass texting via Beetexting integrated with RingCentral.
🛠️ Tools & Platforms
VoIP Systems: RingCentral | Dialpad | 8x8 | Google Voice | GoTo | Nice inContact | RingCX
Integrations: Salesforce | Zapier | Zendeskl
Collaboration: Microsoft Teams | Google Workspace
📌 Why Clients Hire Me
✔ 10+ years of proven VoIP expertise
✔ Fast, reliable setup & troubleshooting
✔ Clear documentation & training for staff
✔ Track record of reducing missed calls and improving customer experience
📞 Let’s Work Together
If you need a VoIP expert to set up, optimize, or troubleshoot your phone system, let’s connect. I’ll ensure your communications are seamless, reliable, and built to support your business growth.
VoIP
Network Monitoring
Network Administration
Computer Operating System
VoIP Administration
Electrical Engineering
Computer
Data Analytics
Computer Skills
Technical Support
VoIP Software
RingCentral Glip
Dialpad
GoToConnect
Call Center Management
Aditya S.
Jaipur, India
$10/hr
5.0
8 jobs
#AWS #Azure #VMware #ManagedCloudServices (#MSP) #ServerAndEmailMigration #SLA24/7/365 #Office365Administration #Exchange #HomeAssistant #AWSDevOps #AzureDevOps #ServerAdmin #BackupSolutions #ConnectWise #SolarWinds #ManageEngine #NinjaRMM #Kaseya #Atera #Automate #MSP #CCTV #NVR
With over 6+ years of hands-on experience in the IT industry, I specialize in delivering end-to-end solutions in Windows Server Administration, Cloud Infrastructure (AWS & Azure), Network Security, IP Camera & Video Surveillance Systems, and Remote Technical Support. My work is rooted in precision, reliability, and long-term value—making me the go-to tech partner for businesses worldwide.
🔧 My Core Expertise Includes:
Windows Server Setup, Migration & Troubleshooting (2012–2022)
MSP Support – Helpdesk, RMM, SLA Compliance, Ticketing (JIRA, ServiceNow, Zendesk)
Cloud Management – AWS EC2, S3, IAM, Azure AD, M365 Admin
Virtualization – VMware, Hyper-V, Proxmox, VirtualBox
Home Automation – Home Assistant Expert
Network & Security – SonicWall, Sophos, Meraki, VPN Configuration
Backup & Monitoring – Veeam, Acronis, N-able, PRTG
Email & Collaboration – Microsoft 365, Exchange, Outlook, SharePoint, Teams
IP Camera Installation, Configuration & Troubleshooting
VMS/NVR Monitoring, RTSP Stream & ONVIF Configuration
AI-Based Camera Features – Person Detection, Motion Detection & Smart Alerts
Camera Connectivity, Video Playback & Remote Access Troubleshooting
Linux-Based Troubleshooting & Technical Support
I am passionate about solving complex technical issues, improving system reliability, and delivering fast, professional support to clients across the globe.
System Administration
Microsoft Azure
Microsoft Office
Technical Support
Desktop & Laptop Support
Server Operating System
Troubleshooting
Ticketing System
Microsoft Hyper-V Server
Acronis
Windows 11 Administration
Windows 10 Administration
Backup Administration
Home Automation
Niravdas K.
Ahmedabad, India
$28/hr
4.9
18 jobs
✅ 8+ Years of Java Development Experience
⚡ Full-Cycle Backend Development & Architecture
⚡ AI-Powered Development for Faster Delivery & Better Code Quality
👀 Click Invite or Hire for Scalable Java Backend Solutions
Looking for a Java Developer who can build scalable backend systems, SaaS platforms, enterprise applications, and cloud-native solutions designed for long-term growth?
For 8+ years, I have helped startups, SaaS companies, fintech businesses, AdTech platforms, and enterprise organizations build secure, scalable, and high-performance software using Java, Spring Boot, PostgreSQL, MySQL, Kafka, GraphQL, AWS, Docker, Kubernetes, and modern cloud technologies.
From backend architecture and microservices development to legacy application modernization, API integrations, troubleshooting, cloud deployments, and AI-assisted engineering, I deliver production-ready solutions built to scale.
👉 WHAT YOU GET:
✔️ Java Backend Development & Software Architecture
✔️ Spring Boot Applications & Microservices
✔️ REST APIs, GraphQL APIs & Integrations
✔️ Cloud-Native Applications using AWS
✔️ AI-Assisted Development & Automation
✔️ Legacy System Modernization
✔️ Long-Term Support, Maintenance & Optimization
🏆 KEY ACHIEVEMENTS:
✔️ 8+ years building Java, Spring Boot, and enterprise backend applications
✔️ Built scalable SaaS platforms, fintech applications, AdTech systems, and enterprise software
✔️ Maintained and enhanced 15+ production microservices
✔️ Contributed to Adstrome, TrustArc, Acquia DAM, and Digi-Docket
✔️ Designed secure APIs, event-driven systems, and scalable architectures
✔️ Improved application performance through optimization and modernization
⚙️ CORE EXPERTISE:
✔️ Java, Core Java, Java EE, Spring Boot, Spring MVC, Spring Security
✔️ Hibernate, JPA, JDBC, MyBatis, ORM Frameworks, REST APIs, GraphQL APIs
✔️ Microservices Architecture, Apache Kafka, Event-Driven Systems
✔️ PostgreSQL, MySQL, Snowflake, Query Optimization
✔️ AWS, Docker, Kubernetes, Jenkins, Maven, Gradle, Git, GitHub, Bitbucket, Version Control Systems
✔️ Authentication, Authorization, RBAC, Multi-Tenant SaaS
✔️ ZK Framework & Enterprise Web Application Development
🛠 DEVELOPMENT & MAINTENANCE:
✔️ Web Application Development & Enterprise Software Development
✔️ Spring MVC & ZK Framework Application Development
✔️ Legacy Application Maintenance, Modernization & Application Upgrades
✔️ Feature Development & Application Enhancements
✔️ Bug Fixing, Root Cause Analysis & Production Support
✔️ Performance Bottleneck Analysis & Optimization
✔️ Memory Leak Detection & Resolution
✔️ Security Vulnerability & CVE Remediation
✔️ Third-Party API Integration & Business Workflow Automation
✔️ Performance Optimization & Scalability Improvements
☁️ CLOUD & DEVOPS:
✔️ AWS Cloud Services, Docker Containerization & Containerized Application Deployment
✔️ Kubernetes Container Orchestration for Scalable Cloud Infrastructure
✔️ Linux-Based Server Systems, Linux Server Administration & Linux Server Troubleshooting
✔️ Apache Tomcat Installation, Deployment, Monitoring & Performance Tuning
✔️ CI/CD Pipelines, Jenkins Automation, Git, GitHub, Bitbucket & Version Control Systems
✔️ Web Application Troubleshooting, Production Environment Support & Incident Resolution
🧪 TESTING & QUALITY:
✔️ JUnit, Mockito, Unit Testing & Integration Testing
✔️ Test-Driven Development & Automated Testing
✔️ API Testing, Debugging & Log Analysis
✔️ Root Cause Investigation & Production Stability
✔️ Code Quality Improvements & Maintainable Software Development
✔️ Regression Testing & Application Reliability Improvements
🤖 AI-ENHANCED ENGINEERING:
✔️ AI-Assisted Development & AI-Powered Coding Workflows
✔️ OpenAI API Integration, LLM Workflows & AI Automation
✔️ AI-Assisted Testing, Refactoring & Documentation
✔️ Faster Delivery Through AI-Enhanced Engineering
🏢 INDUSTRY EXPERIENCE:
✔️ SaaS Platforms & Enterprise Applications
✔️ AdTech & Programmatic Advertising
✔️ Fintech & Loan Processing
✔️ Privacy & Compliance Systems
✔️ Digital Asset Management
✔️ Multi-Tenant & White-Label Solutions
🚀 WHY CLIENTS CHOOSE ME:
✔️ 8+ Years of Java Development Experience
✔️ Enterprise SaaS & Microservices Expertise
✔️ Strong Spring Boot & Cloud-Native Skills
✔️ Scalable, Secure & Maintainable Solutions
Whether you need to build a backend platform from scratch, scale an existing SaaS application, maintain a legacy system, resolve performance bottlenecks, remediate security vulnerabilities, implement microservices, modernize enterprise software, deploy applications on Tomcat or Linux-based server systems, integrate AI capabilities, or optimize application performance, I can help.
Looking for a Java Developer, Senior Java Developer, Java Backend Developer, Spring Boot Developer, Java Architect, Backend Engineer, Enterprise Software Developer, API Developer, GraphQL Developer, AWS Developer, Cloud Engineer, Kafka Developer, Software Architect, Backend Architect, or Java Consultant?
Spring Boot
Spring Security
Microservice
Java
Core Java
Hibernate
Spring Framework
Spring MVC
Spring Batch
RESTful API
Jakarta EE
MySQL
Apache Kafka
JUnit
Java Servlet API
JSTL
Thymeleaf
Amazon Web Services
Back-End Development
Web Development
Gaurav L.
Bhopal, India
$24/hr
4.7
221 jobs
I help businesses build reliable, scalable communication systems and web applications by combining deep expertise in VoIP (3CX & Yeastar) with full-stack development and API integrations.
With 6+ years of experience in 3CX, hands-on expertise in Yeastar Cloud PBX, and 3+ years in full-stack development, I specialize in delivering end-to-end solutions — from telephony infrastructure to CRM integrations and custom dashboards.
🔥 What I Can Do For You
☎️ VoIP & PBX Solutions (3CX + Yeastar)
3CX setup, configuration & troubleshooting (V18/V20)
Yeastar Cloud PBX deployment & management
SIP Trunk integration (Twilio, Telnyx, Flowroute, etc.)
IVR, Call Queues, Ring Groups, Call Routing
Predictive / Progressive Dialer setup
Call recording, reporting & analytics
Multi-tenant PBX architecture
DID management & call flow optimization
💻 Full Stack Development
Backend: PHP, Node.js, Golang
Frontend: JavaScript, HTML, CSS, Bootstrap, Tailwind
Database: MySQL, PostgreSQL
Build scalable CRM systems & dashboards
WebRTC / SIP dialer development
Real-time systems & automation workflows
🔗 API Development & Integrations (Swagger/OpenAPI)
REST API design & development
Swagger/OpenAPI documentation
CRM integrations (Zoho, Salesforce, Monday, etc.)
Webhooks, automation, and data sync systems
🌐 WordPress Development
Custom theme & plugin development
Website optimization & speed improvements
API integrations with WordPress
Business websites & landing pages
💡 Why Clients Choose Me
✔ 6+ years in VoIP & telephony systems
✔ Strong backend + infrastructure understanding
✔ Fast troubleshooting & problem-solving
✔ Clean, scalable, production-ready solutions
✔ Excellent communication & long-term support
📌 Recent Work Highlights
Built multi-company 3CX dialer system with CRM integration
Deployed Yeastar Cloud PBX for international clients
Developed VoIP analytics dashboards & call tracking systems
Integrated Twilio / Telnyx with custom applications
Created API-driven automation workflows using webhooks
🎯 Let’s Work Together
If you need help with:
Setting up or fixing your 3CX / Yeastar PBX
Building a custom dialer or VoIP system
Integrating APIs or CRM systems
Developing a scalable web application
👉 Send me a message — I’ll provide a clear solution quickly.
PHP
Python
JavaScript
Telecommunications
Full-Stack Development
VoIP PBX
Call Center Management
3CX
System Administration
API Integration
HubSpot
API Development
API
Pipedrive
WordPress
Luong L.
Hanoi, Vietnam
$12/hr
5.0
2 jobs
I am a web developer with experience in developing software for small and medium-sized businesses, along with VoIP and WebRTC systems. If you need to develop a website using technologies like Spring, .NET, Node.js, or implement VoIP systems for voice communication or customer survey campaigns, I can help.
Redis
PostgreSQL
MySQL
MongoDB
Spring Boot
.NET Core
FreeSWITCH
WebRTC
NodeJS Framework
NestJS
Apache Kafka
Full-Stack Development
API Development
Web Development
VoIP Software
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