I have 5+ years of experience in AI data annotation, data labeling, quality assurance, data validation, computer vision, geospatial analysis, and data administration.
Iโve worked on Upwork Enterprise and enterprise-level projects involving image, video, audio, text, speech, and geospatial datasets, where accuracy, consistency, confidentiality, and strict adherence to guidelines are essential.
AI Data Annotation & QA
โ AI/ML Data Annotation & Data Labeling
โ Image, Video, Audio & Text Annotation
โ AI Evaluation & Quality Assurance
โ Data Validation & Ground Truthing
โ Bounding Boxes, Polygons & Segmentation
โ Object Detection & Image Classification
โ Image Masking & Dataset Review
โ Speech & Transcript Validation
โ Podcast & Timestamp Annotation
โ Content Classification & AI Evaluation
Computer Vision & GIS
My experience includes vehicle and object detection, License Plate Recognition (LPR), parking detection, EV charging stations, camera/image validation, image segmentation, ground-truth validation, and geospatial mapping.
I have researched and validated parking data across the United States, Canada, and the United Kingdom, including parking facilities, street parking, rates, regulations, meters, EV parking, access-control systems, LPR/cameras, coordinates, and parcel research.
Tools: CVAT โข Label Studio โข Labelbox โข Roboflow โข COCO Annotator โข SAM (Segment Anything Model) โข QGIS โข Tableau โข Regrid โข Google Maps/Street View
SEO & Website Optimization
I also have knowledge of SEO and WordPress optimization, including Outrank and Rank Math, on-page SEO, keyword placement, content structure, meta titles/descriptions, headings, internal linking, and basic website optimization.
Other Tools
Microsoft 365: Excel โข Outlook โข Teams โข Word โข PowerPoint โข OneNote โข SharePoint
Google Workspace: Sheets โข Docs โข Drive
AI: ChatGPT โข Claude โข Microsoft Copilot
Collaboration: Slack โข Teams โข Trello โข WhatsApp
Why Clients Work With Me
โ 5+ years of data and AI-related experience
โ Enterprise AI project experience
โ Computer vision & geospatial expertise
โ Strong attention to detail and analytical thinking
โ Accurate and consistent work with large datasets
โ Experienced with detailed annotation guidelines
โ Human validation of AI-generated outputs
โ Reliable, organized, and deadline-focused
โ Comfortable handling confidential data
โ Able to use sound judgment when guidelines don't cover every situation
Iโm also expanding my skills in Python, SQL, AI automation, prompt engineering, and machine learning.
If you need a reliable specialist for AI data annotation, AI evaluation, computer vision, GIS/QGIS, geospatial data, data validation, SEO optimization, or data analysis, Iโm ready to help.
๐ธ'๐ ๐๐ ๐๐๐๐๐ข ๐๐ ๐๐๐๐ ๐๐๐๐๐ ๐ข๐๐๐ ๐๐๐๐๐๐๐ ๐๐ ๐๐๐๐.
I help startups, SaaS companies, and agencies build scalable cold email systems that generate real leads โ not spam complaints.
With 7+ years of hands-on experience, I specialize in Instantly and Smartlead for campaign management, inbox rotation, and safe scaling.
What I Do Best
โ Cold Email System Setup (End-to-End)
โ Instantly & Smartlead campaign setup
โ Multi-step sequences & follow-ups
โ Inbox rotation & daily send control
โ Deliverability & Infrastructure
โ Domain & inbox setup (Google Workspace / Outlook)
โ SPF, DKIM, DMARC DNS configuration
โ Email warm-up & sender reputation management
โ Inbox placement testing & spam issue fixing
โ Automation & AI Workflows (Claude + Tools)
โ Personalized email generation using Claude (AI-first outreach)
โ Automated lead enrichment & tagging workflows
โ Smart sequence triggers based on behavior (opens/replies)
โ Integration with CRM (HubSpot, etc.) via Zapier/Make/webhooks
โ Process automation using tools like CoWork / internal workflow systems
โ Lead Sourcing & List Building
โ Apollo for B2B lead lists
โ LinkedIn Sales Navigator targeting
โ Lead cleaning & verification before upload
โ Tracking & Reporting
โ KPI dashboards using Looker, Lovable and Claude Code and Cowork
โ Open rate, reply rate, inbox placement monitoring
โ Weekly performance reports & optimization
Why Work With Me
โ Instantly deliverability specialist
โ Systems built for long-term scaling
โ Clear communication & fast execution
โ Focus on booked meetings, not vanity metrics
๐ If you want a cold email system that lands in inboxes and drives replies, I can build it for you.
Message me and letโs turn outbound into your growth engine. ๐
Gulbala S.
Senior Full Stack Developer | GIS | Maps | Navigation | AI | +10 years
Khirdalan, Azerbaijan
$20/hr$20 per hour4.9 (6) 11 jobs $10K+ total earnings
I design and deploy production-grade large scale applications. With proven experience at global companies like ๐ง๐๐ฟ๐ธ๐ถ๐๐ต ๐๐ถ๐ฟ๐น๐ถ๐ป๐ฒ๐ and ๐จ๐ป๐ถ๐๐ฒ๐ฟ๐๐ถ๐๐ ๐๐ผ๐น๐น๐ฒ๐ด๐ฒ ๐๐ผ๐ป๐ฑ๐ผ๐ป, I build robust, scalable, and well-tested web and mobile solutions tailored to your business goals.
๐ ๐ก๐ผ๐๐ฎ๐ฏ๐น๐ฒ ๐ฃ๐ฟ๐ผ๐ท๐ฒ๐ฐ๐๐ (๐ฆ๐ฒ๐ฒ ๐น๐ถ๐๐ฒ ๐ฑ๐ฒ๐บ๐ผ๐ป๐๐๐ฟ๐ฎ๐๐ถ๐ผ๐ป ๐ถ๐ป ๐ฝ๐ผ๐ฟ๐๐ณ๐ผ๐น๐ถ๐ผ)
1 - Drive Weather App (100K+ users) - 2026
Built custom routing APIs using OpenStreetMap and GraphHopper routing engine with vehicle-specific profiles and high-accuracy ETA predictions across North America.
2 - ScooterNav (Netherlands) - 2025
Designed Nedherland's first custom scooter routing solution with ferry handling and regional road optimization.
3 - Turkish Airlines Developer Portal (2024)
Delivered enterprise-grade REST APIs suite integrated into one of the world's largest airline platforms.
4 - European Research Council Project (โฌ2.5M Funded, 2021)
Contributed as Java Developer & Researcher in an international academic consortium.
5 - โAndroid Mobile Programming in Javaโ (2017)
Used as a recommended textbook in several Turkish universities.
๐ ๐ ๐ฐ๐ผ๐บ๐ฝ๐น๐ฒ๐๐ฒ ๐ฏ๐ฎ๐ฐ๐ธ๐ฒ๐ป๐ฑ ๐ฎ๐ป๐ฑ ๐ณ๐๐น๐น-๐๐๐ฎ๐ฐ๐ธ ๐๐ผ๐น๐๐๐ถ๐ผ๐ป๐:
- end-to-end system development from concept to production.
- AI integration
- backend automation platforms
- designing scalable APIs
- deploying cloud and VPS servers
๐ ๐ฎ๐น๐๐ผ ๐ต๐ฒ๐น๐ฝ ๐ฐ๐ผ๐บ๐ฝ๐ฎ๐ป๐ถ๐ฒ๐ ๐๐ผ:
- build routing and navigation solutions using GraphHopper and OpenStreetMap.
- optimize paths for various vehicle types (cars, trucks, motorbikes, bikes, scooters and so on) and pedestrians
- develop high-accuracy ETA systems
- deploy scalable geospatial infrastructure
- configure geocoding systems (text address to geographical coordinates and vice versa) using Nominatim, Photon, Pelias
If you have a question, you can book me for a consultation. We can review the key points efficiently and define the best next steps.
๐ง๐ฒ๐ฐ๐ต๐ป๐ถ๐ฐ๐ฎ๐น ๐ฆ๐๐ฎ๐ฐ๐ธ๐:
- Frontend Integration & UI Development (Angular, JSF, PrimeFaces, HTML/CSS)
- Backend Development (Java & Spring Boot)
- Secure Authentication (JWT, Spring Security)
- Database (OracleSQL, MSSQL, PostgreSQL, MyBatis, Redis Caching, CouchBase)
- Unit & Integration Testing (JUnit, Mockito)
- CI/CD Pipelines & Docker
- Documentation & Technical Writing (Markdown, Swagger/OpenAPI, ApiCurio)
- Domain Expertise: GraphHopper. OpenStreetMap, Nominatim, Pelias
๐๐ฒ๐ฟ๐๐ถ๐ณ๐ถ๐ฒ๐ฑ ๐๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐ฒ๐ฟ
I always aim to improve my skills at all time and get certified by respected organizations.
Usama T.
VoIP & Call Center Developer | Twilio .SignalWire.FreeSWITCH | Laravel
Hello there. I am ๐จ๐๐ฎ๐บ๐ฎ ๐ง๐ฎ๐ต๐ถ๐ฟ, I build and integrate VoIP call center systems โ IVR, call routing, AI voice bots, and CRM sync โ using Twilio, SignalWire, and FreeSWITCH, backed by Laravel on the backend. 6+ years, all 5-star reviews, long-term clients.
CALL CENTER & TELEPHONY EXPERTISE
I build and optimize inbound/outbound call center systems that handle real traffic:
IVR systems with AI voice (Twilio + OpenAI Whisper/TTS)
Intelligent call routing & TaskRouter workflows
Auto call distribution (ACD), call queues, hold/transfer/warm transfer
AI-powered receptionist & voicebot (GPT-4 + Twilio Voice)
SignalWire LAML & Relay API integrations
Click-to-call, outbound dialer, call recording & transcription
Real-time call dashboards with analytics
CRM sync (HubSpot, Salesforce, custom CRM via API)
SMS campaigns, WhatsApp Business API, 2-way messaging
๐ฆ๐๐ฟ๐ฎ๐๐ฒ๐ด๐ถ๐ฐ ๐๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐บ๐ฒ๐ป๐ ๐ณ๐ผ๐ฟ ๐ฆ๐ฐ๐ฎ๐น๐ฎ๐ฏ๐น๐ฒ ๐๐ฟ๐ผ๐๐๐ต
I architect solutions that align with your business goals and technical requirements. By leveraging ๐๐ฎ๐ฟ๐ฎ๐๐ฒ๐นโ๐ modular structure and ๐๐ถ๐๐ฒ๐๐ถ๐ฟ๐ฒโ๐ real-time capabilities, I build scalable platforms optimized for long-term success. My focus extends to inbound call solutions, where I build IVR systems, configure call routing and queue-based workflows (TaskRouter, hold/answer, prioritization, Receptionist), and integrate CRM platforms to optimize customer engagement and operational efficiency.
๐๐ป๐ฑ-๐๐ผ-๐๐ป๐ฑ ๐ง๐ฒ๐ฐ๐ต๐ป๐ถ๐ฐ๐ฎ๐น ๐๐ ๐ฒ๐ฐ๐๐๐ถ๐ผ๐ป
From the initial idea to the tactics, I am mainly occupied with clean code, screen compatibility, and free processes. Vue.js and Nuxt.js are ideally suitable to build SEO-friendly, quick interfaces, implementing the front end while Laravel offers ballet logic for the back end to your site, thus securing API, and allowing secure back-end logic, and connecting a CRM. When it comes to inbound call projects, I come up with Twilio-driven voice systems by combining analytics, automatic call distribution, and CRM sync in order to improve the user's experience.
๐ช๐ต๐ ๐ฃ๐ฎ๐ฟ๐๐ป๐ฒ๐ฟ ๐ช๐ถ๐๐ต ๐ ๐ฒ?
I bridge technical precision with business-centric outcomes. My hybrid approach combines ๐๐ฎ๐ฟ๐ฎ๐๐ฒ๐นโ๐ backend efficiency with ๐๐ถ๐๐ฒ๐๐ถ๐ฟ๐ฒโ๐ interactive frontend components, reducing development time without compromising quality. For inbound call platforms, I optimise uptime, call clarity, and integration depth to ensure your communication infrastructure drives conversions.
๐๐ผ๐ฟ๐ฒ ๐๐ ๐ฝ๐ฒ๐ฟ๐๐ถ๐๐ฒ
๐๐ฟ๐ผ๐ป๐๐ฒ๐ป๐ฑ: Vue.js, Nuxt.js,React.js, Livewire
๐๐ฎ๐ฐ๐ธ๐ฒ๐ป๐ฑ: PHP/Laravel, Python/FastAPI
๐๐ป๐ฏ๐ผ๐๐ป๐ฑ ๐๐ฎ๐น๐น ๐ฆ๐ผ๐น๐๐๐ถ๐ผ๐ป๐: Twilio integration, IVR, call routing (TaskRouter), receptionist workflows, call queues, hold & answer functionality, and CRM automation
๐๐ป๐๐ฒ๐ด๐ฟ๐ฎ๐๐ถ๐ผ๐ป๐: Twilio/SignalWire (SMS & Voice), AWS, OpenAI automation
๐๐ฎ๐๐ฎ๐ฏ๐ฎ๐๐ฒ๐: MySQL, PostgreSQL
๐ง๐ผ๐ผ๐น๐: Git, Jira, DevOps workflows
๐๐ผ๐บ๐บ๐ถ๐๐บ๐ฒ๐ป๐ ๐๐ผ ๐ฌ๐ผ๐๐ฟ ๐ฆ๐๐ฐ๐ฐ๐ฒ๐๐
I believe in future-proof solutions, not fast substitutes. Whether designing a custom web app or optimizing an inbound call workflow, I confirm scalability, maintainability, and brand vision alignment. Come together, and letโs come up with a solution that can keep up with the growth of your business.
Ready to transform your ideas into a results-driven platform? ๐ฅ๐ฒ๐ฎ๐ฐ๐ต ๐ผ๐๐ ๐๐ผ๐ฑ๐ฎ๐ ๐๐ผ ๐ฑ๐ถ๐๐ฐ๐๐๐ ๐๐ผ๐๐ฟ ๐ฝ๐ฟ๐ผ๐ท๐ฒ๐ฐ๐.
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