Hire the Best Sass Specialists
in Kazakhstan

More than 3,000 reviews on G2
Rating is 4.5 out of 5.
4.5/5
of Upwork by G2 peer reviewers
Sergey Y.

Shymkent, Kazakhstan

$15/hr
5.0
86 jobs

I've spent 7+ years building and rescuing WordPress/WooCommerce sites — over $200K earned on Upwork alone, 84 completed jobs, Top Rated Plus, and client relationships that have lasted 5+ years. I build custom themes and plugins from scratch, migrate legacy sites, convert Figma/HTML designs into fully functional WordPress builds, and fix what previous developers left broken — including taking over and forking other developers' plugins. What I do: • Build custom WordPress themes and plugins, from scratch or by taking over/forking existing code • Convert Figma designs and static HTML into responsive, mobile-first WordPress/WooCommerce sites • Diagnose and fix theme/plugin bugs other developers couldn't solve • Integrate third-party tools — payments, CRMs, analytics, custom APIs • Optimize for performance, SEO, and cross-browser compatibility Tools: WordPress, WooCommerce, ACF, Elementor, PHP/MySQL, JavaScript/jQuery, HTML5/CSS3/SCSS, Git, REST APIs Currently expanding into headless WordPress architecture (React/Next.js) and AI-integrated features, so I can build faster, more scalable front-ends on top of the WordPress backends clients already trust — while keeping the reliability that got me these long-term relationships. If you need a WordPress site built right the first time, or fixed by someone who won't need hand-holding, let's talk.

  • Sass
  • SCSS
  • HTML
  • CSS
  • JavaScript
  • jQuery
  • WordPress
  • WooCommerce
  • JSON API
  • API Integration
  • PHP
  • PSD to HTML
  • HTML5
  • CSS 3
Meruert A.

Aktau, Kazakhstan

$5/hr
5.0
2 jobs

𝐈'𝐦 𝐚 𝐅𝐫𝐨𝐧𝐭-𝐄𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 𝐰𝐡𝐨 𝐬𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐞𝐬 𝐢𝐧 𝐜𝐫𝐞𝐚𝐭𝐢𝐧𝐠 𝐜𝐥𝐞𝐚𝐧, 𝐫𝐞𝐬𝐩𝐨𝐧𝐬𝐢𝐯𝐞, 𝐚𝐧𝐝 𝐩𝐢𝐱𝐞𝐥-𝐩𝐞𝐫𝐟𝐞𝐜𝐭 𝐥𝐚𝐧𝐝𝐢𝐧𝐠 𝐩𝐚𝐠𝐞𝐬. Tech Stack: 📍 Coding: - HTML5 - JavaScript (burger menus, modals, sliders, etc.) - TypeScript - React - React Router 📍 Styling: - CSS3 - SCSS - TailwindCSS - shadcn/ui

  • SCSS
  • Web Development
  • Web Application
  • Front-End Development
  • JavaScript
  • TypeScript
  • React
  • HTML
  • CSS
  • Figma
  • Flexbox
  • CSS Grid
  • Redux
Kirill R.

Astana, Kazakhstan

$18/hr
5.0
9 jobs

Partner Verified AI Voice Agent Developer building production AI voice and AI agent systems against <900 ms median response latency, 98%+ workflow execution, 99%+ CRM sync, 97%+ structured data extraction, 100+ call scenarios, 50+ edge cases, and 10+ API integrations. I build AI voice agent and AI call systems with Retell AI or Vapi, ElevenLabs, Twilio, GoHighLevel, n8n automation, real-time audio, inbound/outbound calls, lead qualification, booking, routing, webhooks, and CRM workflows. I build an AI voice agent for measurable system behavior, not demos. The AI agent must keep the AI call responsive, follow conversation logic, call APIs, update systems, and recover from tool failures. Retell AI or Vapi handles orchestration, ElevenLabs TTS, Twilio telephony, GoHighLevel CRM context, and n8n automation runs post-call workflows. 📞 For an AI receptionist, I build an AI voice agent that answers inbound calls, identifies caller intent, handles FAQs, books appointments, and transfers calls. The AI agent is tested against 100+ call scenarios, 95%+ routing accuracy, and 98%+ booking execution. Retell AI or Vapi, ElevenLabs, Twilio, GoHighLevel, and n8n automation keep the AI call connected end-to-end. For outbound calling, the AI voice agent uses lead context, prompts, retries, voicemail handling, and structured outcomes. The AI agent keeps each AI call inside approved flows with 99%+ CRM sync success. I connect Retell AI or Vapi with ElevenLabs, Twilio, GoHighLevel, and n8n automation for calling, pipelines, and follow-up. 🎯 For lead qualification, the AI voice agent asks structured questions, extracts fields, scores leads, and routes next steps. The AI agent targets 95%+ intent accuracy and 97%+ structured data extraction during the AI call. Retell AI or Vapi manages the flow; ElevenLabs, Twilio, GoHighLevel, and n8n automation connect voice, CRM, and workflows. 📅 For appointment booking, the AI voice agent checks availability, prevents conflicts, books slots, and sends SMS/email confirmation. The AI agent targets 98%+ successful booking actions and zero duplicate bookings per validated workflow. The AI call runs through Retell AI or Vapi, ElevenLabs, Twilio, GoHighLevel, and n8n automation. For missed-call recovery, the AI voice agent calls back, restores lead context, and resumes the right flow. The AI agent records the AI call summary, outcome, and follow-up. Retell AI or Vapi handles the agent flow, while ElevenLabs, Twilio, GoHighLevel, and n8n automation connect phone, CRM, and workflows. For call routing, the AI voice agent detects intent and routes the caller to the right person, queue, or workflow. The AI agent is measured on 95%+ routing accuracy and 98%+ successful transfer execution. The AI call uses Retell AI or Vapi, ElevenLabs, Twilio, GoHighLevel, and n8n automation. 🧪 For production QA, I test the AI voice agent against interruptions, noise, silence, failed webhooks, API timeouts, transfers, and edge cases. The AI agent must preserve state and recover without breaking the AI call. Retell AI or Vapi, ElevenLabs, Twilio, GoHighLevel, and n8n automation are tested as one system. ⚡ For latency, I tune the AI voice agent across streaming, STT, TTS, prompts, LLM response, APIs, and telephony. The AI agent targets <900 ms median response latency and 99%+ successful tool execution. I profile the AI call across Retell AI or Vapi, ElevenLabs, Twilio, GoHighLevel, and n8n automation. For CRM integrations, the AI voice agent reads account, lead, pipeline, and booking context, then writes structured outcomes. The AI agent targets 99%+ CRM sync success and <1% failed updates. Retell AI or Vapi controls the AI call, while ElevenLabs, Twilio, GoHighLevel, and n8n automation handle execution. 🔗 For custom API integrations, the AI voice agent calls REST APIs, webhooks, databases, calendars, internal systems, and services. The AI agent is validated for 99%+ successful tool calls and <1% webhook failures. The AI call connects Retell AI or Vapi, ElevenLabs, Twilio, GoHighLevel, and n8n automation. For scaling, the AI voice agent is designed for call volume, concurrency, retries, idempotency, logging, and failure handling. The AI agent must keep automation reliable under production load. I test the AI call path across Retell AI or Vapi, ElevenLabs, Twilio, GoHighLevel, and n8n automation. 🚀 For deployment, I build the AI voice agent from conversation design and prompt engineering through telephony, APIs, CRM, QA, logging, and production release. The AI agent is documented with flows, webhooks, failure paths, and ownership. The AI call stack can use Retell AI or Vapi, ElevenLabs, Twilio, GoHighLevel, and n8n automation. A production AI voice agent must do more than talk: it must complete work during and after every AI call. My focus is AI agent system-AI voice, reliable calls, measurable automation, Retell AI or Vapi orchestration, ElevenLabs voice, Twilio telephony, GoHighLevel CRM, n8n workflows

  • Python
  • Artificial Intelligence
  • JavaScript
  • Machine Learning
  • HighLevel
  • Natural Language Processing
  • Marketing Automation
  • Lead Generation
  • WordPress
  • Web Design
  • Email Marketing
  • Landing Page
  • Customer Relationship Management
  • ClickFunnels
  • ElevenLabs
  • React
  • Deep Learning
  • Zapier
  • Social Media Marketing
  • Twilio API
Akezhan S.

Almaty, Kazakhstan

$28/hr
5.0
2 jobs

Full-Stack Developer | Custom Web Apps & Automated Bots About Me I'm not just a website builder, I create custom business solutions that automate processes, optimize workflows, and help businesses grow. I'm a full-stack web developer, data scraping pro, and automation expert. I'm always working on solving real business problems with clean, efficient, and scalable code. Core Expertise Full-Stack Development: React, Node.js, TypeScript, PostgreSQL, MongoDB Web Scraping & Automation: We're using Python (Scrapy, Selenium) and Node.js (Puppeteer). E-commerce Solutions: We've got custom storefronts, admin dashboards, and integrations. Selected Experience Built some pretty advanced scrapers for high-security e-commerce platforms like Kaspi.kz. I've created automation bots that parse marketplaces (like FL.ru) and send real-time alerts. Delivered optimized, production-ready web apps for businesses of different scales Here's the tech stack we're using for the frontend: React, Next.js, TypeScript, Redux, SASS Backend: Node.js, Express, Python, PostgreSQL, MongoDB Other: Docker, Git, CI/CD, Puppeteer, Selenium, and AI. Work Style: I'm a proactive problem solver. I focus on delivering reliable, maintainable solutions — not just code. My goal is to make your system smarter and your workflow simpler.

  • SCSS
  • HTML
  • CSS
  • JavaScript
  • PHP
  • React
  • Vue.js
  • WordPress
  • Node.js
  • webpack
  • gulp
  • SEO Content
  • Typography
  • UX & UI
  • Bootstrap
Vladimir L.

Almaty, Kazakhstan

$10/hr
5.0
2 jobs

Full-Stack Developer | Ruby on Rails & React Specialist With over a decade of experience in full-stack development, I specialize in creating robust, scalable, and user-friendly web applications. My expertise lies in leveraging the power of Ruby on Rails and React to deliver high-quality solutions that meet client needs and exceed expectations. Technical Skills: ~Ruby on Rails~: Proficient in building complex applications using Ruby on Rails, including the latest features like Hotwire for seamless interactivity. ~Front-End Development~: Skilled in React, utilizing Material-UI (MUI) for modern and responsive designs, and Bootstrap for rapid prototyping and development. ~JavaScript & ES6~: Strong command over JavaScript and ES6 features, ensuring efficient and maintainable code. ~Database Management~: Experience with PostgreSQL and MySQL, ensuring data integrity and performance optimization. ~API Development~: Expertise in designing and implementing RESTful APIs for seamless integration with front-end applications. ~Version Control~: Proficient in Git for version control and collaboration. Why Choose Me? Problem Solver: I excel at identifying issues and implementing effective solutions quickly. Client-Centric Approach: I prioritize understanding client needs to deliver tailored solutions that drive business success. Continuous Learning: Committed to staying updated with the latest industry trends and technologies to provide cutting-edge solutions. Collaboration & Communication: Strong communicator who works well in team environments, ensuring smooth project execution and delivery. Let's collaborate to bring your project to life with cutting-edge technology and innovative solutions. Feel free to reach out to discuss how I can contribute to your next project!

  • Web Development
  • Full-Stack Development
  • React
  • AI Agent Development
  • OpenAI Codex
  • Ruby on Rails
  • Golang
  • JavaScript
  • TypeScript
  • Node.js
  • Docker
  • Telegram API

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