Hire the Best VOIP Software Engineers
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I'm a senior full-stack developer with over 15 years of experience building scalable and reliable web applications from the ground up. I specialize in backend architecture, API development, and complex front-end integrations. My technology stack covers: 🔹 Backend: Node.js (Express, NestJS), Python (Django, Flask, FastAPI), PHP (Symfony, Laravel, Yii2), REST & GraphQL APIs, WebSocket (Socket.io), Celery, RabbitMQ, JWT-based auth, Firebase Functions 🔹 Frontend: React (Redux), Tailwind CSS, TypeScript, Next.js, Vue.js, HTML5, SCSS, Webpack, Vite, responsive & RTL layouts 🔹 Databases: PostgreSQL, MySQL, MongoDB, SQLite, Elasticsearch, TypeORM 🔹 DevOps: Docker, Docker Compose, CI/CD pipelines (GitHub Actions, GitLab CI), Nginx, PM2, AWS (EC2, S3, RDS), DigitalOcean, Heroku, Vercel, cron jobs, monitoring/logging (Sentry, LogRocket) 🔹 Others: Stripe, PayPal, Coinbase Commerce, Google Maps API, OpenStreetMap, Firebase, Cloudinary, SendGrid, Mailgun, Excel/CSV parsers, role-based access control (RBAC), audit logs, data encryption (AES, TLS), GDPR tools (data export/deletion), multi-language & RTL support, performance profiling & optimization, API versioning In the past year, I’ve delivered a large AI-enhanced platform. This experience includes building content generation tools powered by OpenAI, smart recommendation engines, and automated data categorization systems. I have hands-on experience integrating with GPT-based APIs and building backend workflows around AI services. Focusing on high-impact work, I've also successfully delivered over 3 significant long-term projects over the last year, including a Real Estate referral platform, a Referee management system, and a Delivery management solution. My broader expertise also covers building SaaS platforms, ERPs, and complex marketplaces. I work well independently or as part of a distributed team and always prioritize clean, maintainable code and clear communication. 🔸 Fluent in English 🔸 Prefer video-on calls to build better connection 🔸 Committed to long-term, value-driven cooperation

Helping manufacturing and industrial teams build scalable CPQ, quoting, pricing automation, quote generation, proposal generation, and quote-to-cash systems that actually work in real sales operations. Experience working with CPQ platforms including Salesforce CPQ, Revenue Cloud, Oracle CPQ, Apttus CPQ, custom product configurators, and pricing automation solutions. Verticals: industrial equipment, HVAC & mechanical contractors, contract manufacturing, building materials, engineered products, custom assemblies, field services. Where I've helped: Spreadsheets → structured quoting & pricing automation Moved pricing logic, product configuration rules, pricing configuration, quote generation processes, and approval workflows out of Excel into scalable CPQ and quote management systems sales reps can actually use without breaking pricing. Homegrown tools → maintainable quote-to-cash systems Preserved existing business logic while removing single-developer dependency and improving maintainability, quoting workflows, sales operations visibility, CRM automation, and RevOps processes. Document builders (PandaDoc, Qwilr) → automated proposal generation Connected configuration, pricing engines, CRM data, Salesforce CRM, and ERP systems so quotes, proposals, SOWs, and sales documents generate automatically from rules instead of manual assembly. Heavy CPQ (Salesforce CPQ, Oracle CPQ) → right-sized implementation Simplified existing CPQ setups, pricing workflows, quote generation processes, product configuration models, and product configurators — or replaced overengineered systems with tools that better match how the sales team actually sells. Quote-to-cash workflow setup end-to-end Quotes → proposals → contracts → e-sign → sales orders → fulfillment Built full document automation flows with branded proposal generation, contract generation, approval routing, e- sign integration (DocuSign, PandaDoc, native e-sign), and downstream Sales Order / Purchase Order automation. Approved quotes flow directly into fulfillment without manual re-entry, duplicate data entry, pricing mismatches, or version control issues between sales and operations. Experience with: CPQ, Configure Price Quote (CPQ), Salesforce CPQ, Revenue Cloud, pricing automation, pricing configuration, proposal automation, sales quoting, quote generation, proposal generation, RevOps workflows, Quote to Cash (QTC), sales document automation, CRM automation, Salesforce CRM, Salesforce Sales Cloud, product configuration, approval workflows, contract management, ERP/CRM integration, API integration, subscription pricing, dynamic pricing, sales operations, and quote-to-cash processes. Not sure where to start? Send a quick overview of your current quoting process, pricing workflow, quote generation process, CPQ implementation, or proposal generation setup — I’ll take a look and share what I’d improve, no commitment required.

I am a dedicated developer specializing in assisting small and medium-sized businesses with a range of internet services. From server and domain selection to crafting dynamic websites, implementing business email solutions, integrating Microsoft 365 and Dynamics 365, to seamlessly tying in PBX telephony – I am here to provide comprehensive support tailored to your unique needs. Let's collaborate to enhance your online presence and streamline your digital operations.

Sky is the limit, I love programming and problem solving. I know C#, .Net Core and many others. Give me requirements I give you a product.

I am a Senior Software and Data Engineering Leader with 30+ years of experience designing large-scale data systems, real-time analytics pipelines, and high-availability platforms. Expert in transforming complex, heterogeneous datasets into actionable insights using Python, SQL, MySQL/PostgreSQL, and cloud technologies. Proven track record delivering data-driven automation, event-processing systems, API integrations, and high-volume ETL workflows across telecom, e-commerce, finance, and enterprise environments. Skilled at unraveling unclear data, building analytical tooling, and enabling data-based decision-making for both engineering teams and business stakeholders.