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$68 hourly
William D.
- 5.0/5
- (34 jobs)
Our company, Innovations Applied LLC, has a wealth of experience creating and writing commercial web applications for b2b and b2c, supply chain, and streaming media. We are also Jitsi, 8x8, Zoom, Twilio, and other video conferencing platform specialists, having produced many customized applications! We are the best source if you are migrating from Twilio to Zoom or Jitsi. We are proficient in Linux admin & Networking and have built full stack server environments including database clusters, application servers, VoIP and SIP integrations, and cloud computing environments. Skills: Laravel, React, ReactNative, Java, SQL, Agile practices, Mobile development, Swift, Objective-C, HTML, CSS, node.js, JavaScript, Linux, xAPI, Git, RESTful API, Jira, JSON, Ajax, Bootstrap, jQuery, hibernate, c3p0, C++, Python, Tomcat, Apache, Nginx, video.js, jwplayer, eclipse, Mautic Marketing Automation, HumHub Social Collaboration, OwnCloud Storage, LHC Help Chat, MySQL,SIP, VoIP, FreeSWITCH, FusionPBX, Asterisk VoIP, Jitsi, Zoom SDK, Zoom Markeplace, Taiga, Wordpress, Canvas LMS, all kinds of streaming media, video production, video editing, UI/UX design and discovery, graphic design, SEO, and Lead generation.

Freeswitch
Asterisk
Agile Project Management
WebRTC
VoIP
FreeSWITCH
Mobile App Development
FreePBX
Mautic
Video Stream
Zoom Video Conferencing
PHP
WordPress
$90 hourly
Sharad K.
- 4.9/5
- (23 jobs)
As a seasoned Chief Information Security Officer (CISO) with over a decade of experience in the cybersecurity field, I bring a wealth of expertise in establishing robust cybersecurity programs and conducting comprehensive risk assessments. My career is marked by a strong track record of helping numerous organizations enhance their security posture and mitigate cyber threats effectively. Key Achievements and Expertise: - Cybersecurity Program Development: Designed and implemented comprehensive cybersecurity programs aligned with industry standards and regulations. - Risk Assessment and Management: Performed detailed risk assessments to identify vulnerabilities and mitigate risks effectively. - Leadership and Team Building: Led high-performing cybersecurity teams, promoting a culture of security awareness. - Compliance and Governance: Achieved compliance with standards such as ISO 27001, SOC 2, and GDPR through policy development and audits. - Incident Response and Management: Created incident response plans to minimize impact and ensure recovery from security incidents. - Training and Awareness Programs: Developed training programs to elevate employee awareness of cybersecurity policies. I leverage my experience to help organizations navigate the cybersecurity landscape, ensuring their assets are protected against evolving threats. Whether establishing a new framework, assessing risks, or enhancing security measures, I provide strategic guidance and practical solutions tailored to your needs. Feel free to reach out to discuss how I can contribute to your cybersecurity initiatives.

Freeswitch
VoIP
Docker
Linux System Administration
Asterisk
Security Engineering
OpenSIPS
VoIP Administration
FreeSWITCH
DevOps
CIS Control Assessment
NIST Cybersecurity Framework
Cloud Security
Leadership Skills
Risk Assessment
HIPAA
Governance, Risk & Compliance Software
Risk Management
Compliance
Information Security
$35 hourly
Syed K.
- 1.7/5
- (4 jobs)
🚀 AI-Powered SaaS & Scalable Business Solutions With 10+ years of hands-on experience in AI development, SaaS platforms, and full-stack engineering, I help businesses automate processes, enhance customer experiences, and scale efficiently. My expertise spans cutting-edge AI chatbots, intelligent automation, and cloud-native SaaS solutions that deliver real-world impact—reducing costs, improving efficiency, and driving business growth. 🔹 AI & Machine Learning Development ✅ RAG-Based Chatbots – AI-driven assistants that provide accurate, real-time answers ✅ Custom AI & NLP Solutions – Built with OpenAI, LangChain, LlamaIndex ✅ AI-Powered Process Automation – Optimize workflows and boost efficiency ✅ Scalable AI Systems – Deployed on AWS, GCP, Azure for high performance 🔹 SaaS & Full-Stack Development ✅ SaaS Product Development – From MVP to full-scale platform ✅ Full-Stack Web Apps – Built with React, Next.js, Python, and Node.js ✅ API Security & Authentication – Using OAuth, JWT, and enterprise security standards ✅ Cloud-Native Scalability – Optimized for speed, reliability, and security 🔹 AI for Enterprise & Automation ✅ ERPNext Customization & API Integrations – AI-driven ERP solutions ✅ Intelligent Workflow Automation – Reduce manual work & scale operations ✅ Cloud AI & SaaS Infrastructure – Future-proof and cost-efficient I don’t just build software—I create intelligent solutions that automate, optimize, and scale businesses. With a strategic and hands-on approach, I ensure your AI-driven applications deliver real business value. 💡 Let’s build smarter, AI-powered solutions together! 🚀

Freeswitch
Terraform
Llama 2
Ansible
CI/CD
Kubernetes
Docker
Machine Learning
PyTorch
FastAPI
Natural Language Processing
Python
PHP
Asterisk
FreeSWITCH
VoIP Administration
$50 hourly
Chris C.
- 0.0/5
- (0 jobs)
🍀🍀🍀 𝙊𝙋𝙀𝙉 𝙏𝙊 𝙒𝙊𝙍𝙆, 𝙎𝙏𝘼𝙍𝙏 𝙄𝙈𝙈𝙀𝘿𝙄𝘼𝙏𝙀𝙇𝙔 𝙄𝙉𝘾𝙇𝙐𝙀 𝙒𝙀𝙀𝙆𝙀𝙉𝘿 I am an accomplished VoIP Engineer and Full-Stack Developer with over 9 years of comprehensive experience in the telecommunications sector. My career has been defined by a commitment to excellence in designing, implementing, and optimizing VoIP solutions for leading organizations and consulting firms. I specialize in advanced telecommunication technologies, with a strong ✔ My journey began in the realm of telecommunication technology, where I developed a knack for weaving together various communication tools into cohesive systems. Fast forward to today, and I have transformed countless organizations by enhancing their communication workflows. ✔ With a strong focus on reliable, efficient operations, I have successfully configured Linphone for employee use, set up SMS bridges between Telnyx and RocketChat, and integrated JitsiMeet for seamless video conferencing. My expertise in Asterisk and similar VoIP systems ensures that your infrastructure is robust and effective. 🚀 I’m eager to partner with businesses looking to elevate their communication capabilities and tackle integration challenges head-on. 🔵 VoIP Specialist 🔵 AI Voice Systems 🔵 Twilio 🔵 FreeSWITCH 🔵 RAG Integration 𝗞𝗲𝘆 𝗔𝗿𝗲𝗮𝘀 𝗼𝗳 𝗖𝗼𝗺𝗽𝗲𝘁𝗲𝗻𝗰𝗲 🔽 🔵 User-Friendly SaaS Development I design and develop user-friendly SaaS platforms using Next.js, React, and JavaScript/TypeScript. 🔵 AI-Powered Agent Development I build intelligent AI agents with advanced capabilities such as image & video recognition, NLP, and machine learning. 𝑺𝒆𝒓𝒗𝒊𝒄𝒆𝒔: 🔵 Secure and Scalable APIs I’m proficient in creating secure, scalable REST or GraphQL APIs using Node.js/Express or Python/Flask with Firebase Functions. 🔵 𝐀𝐈 𝐕𝐨𝐢𝐜𝐞 𝐀𝐠𝐞𝐧𝐭: Specialize in incorporating AI voice agents to enhance customer interactions and automate processes using Air.ai, VAPI, or Bland.ai. 🎙️🤖 🔵 𝐀𝐈 𝐂𝐚𝐥𝐥𝐢𝐧𝐠 𝐁𝐨𝐭 𝐟𝐨𝐫 𝐁𝐨𝐭𝐡 𝐈𝐧𝐛𝐨𝐮𝐧𝐝 & 𝐎𝐮𝐭𝐛𝐨𝐮𝐧𝐝 𝐂𝐚𝐥𝐥𝐬: Develop AI calling bots to handle both inbound and outbound calls, improving customer outreach and support efficiency. 📞🤖 🔵 Custom AI Model Training I specialize in customizing AI models like GPT-3.5, Davinci, Bloom 560M, and others to fit your specific needs, such as style, tone, format, and reliability. 🔵 VoIP Technologies I have extensive experience in Asterisk, SIP, VOIP, WebRTC, Freepbx, Dinstar, GSM, and integrating these with AI for advanced telephony solutions. 𝗪𝗵𝗮𝘁 𝗦𝗲𝘁𝘀 𝗠𝗲 𝗔𝗽𝗮𝗿𝘁 🔽 🟢 AI-Powered Solutions I focus on leveraging AI to deliver real-world solutions, not just tech novelties. I strive to make AI a key driver of your business success. 🟢 End-to-End Services From design to deployment, I offer comprehensive, end-to-end development services to ensure every aspect of your project is handled expertly. 🟢 Value-Driven Approach I believe in delivering clear and tangible value with every project. As such, I always align my development strategy with your business goals. 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸 🔽 ✓ VoIP / SIP / RTP ✓ OpenSIPs / Kamailio / OpenSER ✓ FreeSWITCH, FusionPBX, ASTPP, Lua Scripting ✓ Asterisk, FreePBX, A2billing ✓ RTPengine / MediaProxy / RTPproxy ✓ Twilio Integration ✓ Linux & OpenSource Solutions ✓ MariaDB, MySQL, PostgreSQL (Database Design & Advanced SQL) ✓ PHP, Yii/Yii2, Apache, Nginx ✓ Python Development (Django, Flask) ✓ Frontend Development : Nuxt, React ,Vue.js ✓ AI Agent Development (LangChain, GPT Models) ✓ Trading Systems (MQL4/MQL5, Pine Script) ✓ Video Streaming Solutions ✓ API Integration & Development ✓ AWS Cloud Services (EC2, S3, Lambda, RDS) ✓ Database Management (PostgreSQL, MongoDB, MySQL, Redis) KeyWords 🔽 🔹 What Sets Me Apart: ✅ Proven experience in messaging platforms and communication systems ✅ Strong understanding of security best practices ✅ Exceptional problem-solving skills ✅ Commitment to delivering high-quality solutions on time ✅ Flexible availability to accommodate project needs Keywords #VoIP #VoIPAdministration #VoIPSoftware #VoIPPBX #FreeSWITCH #Asterisk #FreePBX #OpenSIPS #Twilio #TwilioAPI #ArtificialIntelligence #AI #AIAgentDevelopment #AIChatbot #OpenAI #ChatGPT #LLM #TTS #STT #AWS #NextJS #React #TailwindCSS #NodeJS #Django #Flask #GraphQL #RESTfulAPI #LangChain #CommunicationSystems #Innovation #FullStackDevelopment #CloudComputing #Integration #TechnologySolutions #3CX #PBX #SIP #WebRTC #PJSIP #IAX #SIPwise #ASTPP #Voxi #VoIP #AI #SIP #RTP #AI-Agent #Twilio #FreeSWITCH #Kamailio #OpenSIPs #LangChain #GPT #NLP #VoIP #AI #SIP #RTP #AI-Agent #Twilio #FreeSWITCH #Kamailio #OpenSIPs #LangChain #GPT #NLP #Python #Django #Flask #NextJS #NodeJS #AWS #Database #API #FullStack #VideoStreaming #TradingSystems #Linux #OpenSource #RAG #OpenAI #TwilioIntegration #VoIP #AI #SIP #RTP #AI-Agent #Twilio #FreeSWITCH

Freeswitch
GPT-4o
FreePBX
RESTful API
Artificial Intelligence
OpenSIPS
Asterisk
FreeSWITCH
VoIP Software
VoIP
Twilio
Twilio API
International Development
Web Development
$85 hourly
Theodore E.
- 4.4/5
- (2 jobs)
👋I am a problem solver with a can-do attitude, always ready to develop new solutions and offer another perspective. ⚡With over 12 years of comprehensive experience spanning 𝙐𝙣𝙞𝙛𝙞𝙚𝙙 𝘾𝙤𝙢𝙢𝙪𝙣𝙞𝙘𝙖𝙩𝙞𝙤𝙣𝙨, 𝙉𝙚𝙩𝙬𝙤𝙧𝙠 𝙀𝙣𝙜𝙞𝙣𝙚𝙚𝙧𝙞𝙣𝙜, 𝙖𝙣𝙙 𝘾𝙮𝙗𝙚𝙧𝙨𝙚𝙘𝙪𝙧𝙞𝙩𝙮, I bring a unique blend of technical mastery and project leadership to every engagement. My expertise covers designing, deploying, and troubleshooting complex 𝐂𝐢𝐬𝐜𝐨 and 𝐉𝐮𝐧𝐢𝐩𝐞𝐫 𝐧𝐞𝐭𝐰𝐨𝐫𝐤 infrastructures, alongside advanced 𝐕𝐨𝐈𝐏 and 𝐔𝐧𝐢𝐟𝐢𝐞𝐝 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 𝐬𝐲𝐬𝐭𝐞𝐦𝐬. I specialize in transitioning enterprises from legacy on-premise telephony to modern cloud-based Cisco Webex Calling solutions, while ensuring robust, secure, and scalable network environments. Whether you need a seamless VoIP migration, resilient network architecture, or hardened security frameworks, I deliver tailored solutions that exceed expectations. ✨What I Bring to Your Project ✅Unified Communications Expertise: - Extensive work with Cisco Unified Communications Manager (CUCM), Unity Voice Mail, Unified Contact Center Express (UCCX), and Cisco Webex Calling. - Successfully migrated multiple clients from on-premise PBX systems to Cisco Webex Calling with zero downtime. - Proficient in VoIP platforms including Kamailio, Asterisk, FreeSWITCH, FreePBX, 3CX (3CX Certified), Kazoo. - Experienced with SMS gateway solutions such as PlaySMS, Jasmin, and Kannel. ✅Network Engineering Mastery: - Design and deployment of large-scale networks using MPLS, BGP, OSPF, EVPN, VXLAN, and VPN technologies. - Hands-on experience with Juniper hardware: MX, PTX, ACX routers; EX and QFX switches; SRX firewalls. - Skilled with Cisco devices: ISR and ASR routers, Catalyst switches. - Strong knowledge of routing protocols, traffic engineering, network security, and building high-availability architectures for ISPs and enterprise environments. ✅Cybersecurity & Systems Administration: - Security Focus: Implementation of IPsec VPNs, CGNAT, firewall policies, and intrusion prevention systems to secure network infrastructure. - Systems Expertise: Proficient in Linux (various distributions), BSD, Solaris, and Windows Server environments. Skilled in server hardening and virtualization technologies, including VMware. Experienced in managing critical network services: DNS, DHCP, LDAP, SNMP. - Project Management: Successfully led and delivered complex projects with emphasis on security compliance and operational efficiency. 🛠Core Skills & Technologies ✅Unified Communications: Cisco Webex Calling, Cisco CUCM, Unity Voicemail, UCCX, 3CX, Kamailio, Asterisk, FreeSWITCH, FreePBX, VOS3000, A2Billing, ASTPP, Kazoo ✅Networking: MPLS, BGP, OSPF, IS-IS, RSVP-TE, LDP, EVPN, VXLAN, IPsec VPN, VLAN, QoS, Traffic Engineering, Fast Reroute ✅Hardware: Juniper MX/PTX/ACX series, EX/QFX switches, SRX firewalls; Cisco ISR/ASR routers, Catalyst switches, ASA firewalls; Huawei NE-40E/NE-80E routers ✅Operating Systems: Linux (CentOS, Ubuntu, Debian), FreeBSD, Solaris, Windows Server (all versions), macOS ✅Security: Firewall configuration, VPNs, CGNAT, intrusion detection/prevention, routing policy enforcement ✅Project Management: End-to-end project delivery, client communication, documentation, training, and support Let's BUILD and GROW your Project TOGETHER👍

Freeswitch
Erlang
VPN
FreeSWITCH
Multiprotocol BGP
Session Initiation Protocol
Junos OS
RabbitMQ
Kamailio
VoIP Administration
VoIP PBX
Cisco Router
Cisco
Juniper
Network Engineering
Network Administration
$70 hourly
David M.
- 0.0/5
- (0 jobs)
Dedicated software engineer with over 12 years of experience in product design, software development life cycle, and programming. Talent for translating functional design requirements into clear, concise technical specifications detailing software and system requirements. Adept at programming and testing high-performance modules and features, and identifying systems issues/solutions. Languages: JavaScript, TypeScript, C#, Java Web: ASP.Net Core, HTML, LESS, CSS, XML, JavaScript, Ajax, WCF, jQuery, Bootstrap, IIS, DevExpress, Serenity CMS Web Services: .Net Web Services, RESTful Web Services, JSON, SOAP, WSDL Databases: Microsoft SQL Server, MySQL, Redis, DynamoDB Tools: MS Visual Studio, Visual Studio Code, Jira, Git Platforms: Windows Family Frameworks: Entity Framework, eXpressApp Framework (XAF) SDLC: Waterfall, Iterative, Agile, Lean Design Patterns: Singleton, Builder, Factory Method, Abstract Factory, Prototype, Adapter, Bridge, Composite, Decorator, Façade, Flyweight, Proxy, Chain of Responsibility, Command, Interpreter, Iterator, Mediator, Memento, Observer, State, Strategy, Template Method, Visitor Particularly interested in Web 3.0, Cryptocurrency and Blockchain

Freeswitch
Web Application
JavaScript
Web Design
Firebase Cloud Firestore
CSS
Java
Database
Vue.js
Microsoft SQL Server
FreeSWITCH
Microsoft SharePoint
React
Angular
ASP.NET MVC
Web Development
HTML
ASP.NET Core
.NET Framework
Firebase Realtime Database
$25 hourly
Ronald B.
- 0.0/5
- (0 jobs)
Full Stack Developer with technical expertise in developing web and mobile applications with two years of experience managing the complete software development process from conception to deployment and upgrading the software following deployment on a team. I am patient, pay attention to detail, work accurately and take instruction very well, while displaying initiative. I aim to provide outstanding quality of work and to build lasting professional relationships while working on Upwork. Technical Experience: ● Backend Stack: PHP, Laravel and MYSQL. ● Frontend Stack: Javascript, React and Redux, React-Native, SIP.js, JsSIP. ● Voip Stack: PHP, FusionPBX, Freeswitch and PostgreSQL. ● AWS, GIT, firebase, Rest API, JSON, npm, composer, Asynchronous Programming. ● Linux servers, Debugging Software. ● Technical specifications, Languages, Designing, Classes.

Freeswitch
React Native
FreeSWITCH
VoIP
Data Analysis
Network Administration
Talend Open Studio
PHP
Laravel
React
npm
MySQL
PostgreSQL
JavaScript
Node.js
Microsoft Access
$75 hourly
Erik R.
- 1.6/5
- (14 jobs)
Using powerful technologies as FreeSwitch, WebRTC, Verto, SIP, FusionPBX, etc, and combined with development tools as PHP, JavaScript, HTML, JSON, Angular, Bootstrap, moreover with excellent skills of Database Programming in DBMS like as PostgreSQL, MySQL, Oracle, etc, I'm able to design and develop whatever you can to imagine. I'm a lot of experience in DevOps web-oriented as well as cloud services applications, I love to work over Linux environment (Debian distributions preferably). Also, I am able to make Data Mining in order to create Datamarts or DataAnalyst through ETL's with Pentaho Data Integration

Freeswitch
Ionic Framework
Responsive Design
Oracle PLSQL
API
Laravel
Linux
Angular
JavaScript
Pentaho
VoIP Software
FreeSWITCH
Session Initiation Protocol
Data Warehousing
Database Programming
WebRTC
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