Hire the Best Automation Engineers
in Bulgaria

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Viktor E.

DevOps Engineer | Kubernetes & CI/CD | AI-Assisted Automation

Sofia, Bulgaria
$60 per hour
1 job
$7K+ total earnings

I help teams run reliable infrastructure without overengineering — and I use AI where it makes operations faster and safer, not because it's fashionable. I'm a hands-on DevOps engineer with strong experience in Kubernetes, CI/CD pipelines, and cloud-agnostic setups. I work with both startups and growing teams that need infrastructure that is simple, predictable, and production-ready. What I do: - Kubernetes setup & maintenance (multi-cluster, GitOps, ingress, resources) - CI/CD pipelines (GitHub Actions, Tekton, self-hosted runners) - AI-assisted operations: automation with built-in verification — my update pipeline patched 44 WordPress sites (~150 plugin updates) in one afternoon, every site verified by log and visual checks - Infrastructure as Code & clean YAML (without Helm if needed) - Self-hosted solutions, S3-compatible storage - Monitoring, reliability, and cost-aware setups - Security basics: SSO, SAML, access control Hosting & WordPress: a site got hacked, the server is crawling, or a stack of sites has to move to a new host without losing mail or rankings. Here on Upwork I was the server administrator for a German agency's WordPress fleet (5.0 review, 227 hours): - Incident response: found a GSocket implant and PHP backdoors on a production Plesk server, cleaned the fleet and closed the entry points, including a backdoored nulled plugin talking to a C2 server - Migrations: moved 25 client websites to a new server with zero downtime, DNS cutover, mail and Cloudflare included Open source: contributor to Harbor, the CNCF container registry (garbage-collection fix merged, goharbor/harbor#23972). How I work: - AI agents handle the repetitive 80% — I design the checks that make their output trustworthy - I focus on clarity and maintainability, not buzzwords - I explain decisions in plain language - I treat infrastructure as a product, not a side task If you need DevOps help that actually reduces complexity — from an engineer who already ships AI-assisted workflows instead of talking about them — let's talk.

Mario N.

PCB design/FULL PCB COPY, Firmware, CAD, Shenzhen Factory

Sofia, Bulgaria
$50 per hour
21 jobs
$30K+ total earnings

I have my own registered Engineering Prototyping Company, where we help customers go from idea to manufacturing. We offer a full-cycle prototyping journey: Idea--Firmware--3D design--PCB design--CAD/CAM--Testing--App--Sourcing and Manufacturing in China We help with Management and Engineering ONE stop for all prototyping needs: With over 7 years of experience, we can help you design your electronics, produce your 3D model, CAD/CAM and manufacture your prototype. Electronics and Firmware - Interfaces: USB, Ethernet - Protocols : MQTT, HTTP, FTP, Modbus TCP/RTU, SNMP, TCP/IP, UDP/IP, DLMS, custom protocols - Wireless: BLE, WiFi, UWB - Security: AES, SSL/TLS - Multi-layer PCB design experience with: • Microprocessor: ARM Cortex-M3, Cortex-M4, • STM32, ESP32, Atmega, Nordic •. Low-power chip: Nordic nRF52840, nRF5340, nRF52832, ESP32, STM32WL series • SoM, custom board design for: CM4, Rasp, Orange Pi, iMX8, Jetson Nano/Xavier/Orin, RK3588, RK3568, RV1126 Rockchip, TI AM6254 ,... • Power supply: DC-DC (isolated, Flyback, Boost, Buck, LDOs…). • Communication circuit with motor driver: BLDC, AC servo, DC servo…via I/O, ADC and CAN. • Wireless, IoT: RF, Wifi, Bluetooth 4.0, GSM (3G, 4G/LTE), LoraWAN... - Experience in building evaluation kits such as Arduino, ESP32, ESP8266, STM32... - BOM creation from favourite suppliers: Digikey/Mouser/JLCPCB, LCSC... - Knowledge of proper layout techniques for EMC and EMI compliance. - Knowledge of DFA, DFM, and PCB manufacturing and assembly processes. - Firmware development using C, C++, and Python language, QT - UX/UI design for STM32, ESP32, Rasp Pi, using Figma, TouchGFX, LVGL - IoT: MQTT, Thingsboard, AWS, Blynk.. Industrial and Mechanical Design: •CAD for machines, manufacturing (DFM), 3D printing, reverse engineering (Autodesk Inventor and Fusion 360, SolidWorks, Siemens NX, ) • CAD product design, parametric CAD design and rendering (Autodesk Inventor and Fusion 360, SolidWorks) - Physical product prototyping and Manufacturing: -Making the casing ( metal and plastic) in-house without machines. Fusion 360, SolidWorks, Blender, We offer travel to location. We offer 24/7 support. English, Russian, Bulgarian. Japanese, Spanish

Rohit S.

QA Automation Engineer | Playwright Testing | SaaS & Web App QA

Sofia, Bulgaria
$40 per hour
10 jobs
$6K+ total earnings

Built your app with Lovable, Bolt, Cursor, v0, Replit Agent, or another AI coding tool? Chances are you shipped fast but you’re not fully sure what might break once real users start clicking around. That’s exactly where I help. I’m a Software Engineer & QA specialist with 10+ 𝒚𝒆𝒂𝒓𝒔 𝒐𝒇 𝒆𝒙𝒑𝒆𝒓𝒊𝒆𝒏𝒄𝒆, including working at Broadcom as Sr MTS (ICB 4), testing and working on large-scale systems where quality and reliability actually matter. Now I help founders and startups test AI-generated web apps before bugs become bad reviews, lost users, or embarrassing launch-day surprises. I also built: 𝙏𝙝𝙚𝙑𝙞𝙗𝙚𝙏𝙚𝙨𝙩𝙚𝙧 Paste any URL and it crawls your app, generates real Playwright E2E tests, runs them in a real browser, and tells you what’s actually broken - usually in 𝒖𝒏𝒅𝒆𝒓 10 𝒎𝒊𝒏𝒖𝒕𝒆𝒔. You can even try it for 𝒇𝒓𝒆𝒆 before deciding to move forward. The AI finds issues fast. I go deeper into the things automation usually misses — edge cases, UX problems, broken flows, accessibility issues, and launch-critical bugs. If you’re shipping fast and want confidence before launch, send me your app URL or let’s book a quick call and test it properly.

Petar K.

Senior AI Automation Engineer | n8n, Python, AI Agents & Web Scraping

Sofia, Bulgaria
$50 per hour
51 jobs
$30K+ total earnings

Hi, I'm Petar 👋 I'm a top 1% performer on Upwork and one of Bulgaria's leading AI automation experts. Over the past 6+ years, I've built and shipped 50+ client systems for teams ranging from fast-growing startups to large enterprises. I've also had the opportunity to work with major companies like DraftKings and Visa on automation initiatives. I help teams stop wasting time on repetitive manual work by building AI systems that actually run in production. Most automation freelancers can only connect existing tools. When you need something custom, intelligent, or properly integrated with your systems, they usually can’t deliver. I can - because I’m a full-stack developer who builds real software, not just no-code workflows. What I build for clients: - Custom AI Agents: agents that do real work on autopilot - qualify leads, process documents, answer customers, generate reports, and take action. They connect to your data and tools, run on your infrastructure, and keep working reliably every day. - Production Workflow Automation: clean, maintainable automations in n8n that connect your CRM, email, databases, payments, and internal tools - with proper error handling so they don’t break silently. - Custom AI Systems: when off-the-shelf tools aren’t enough, I build exactly what your business needs using real code. You’re not limited by what a no-code platform supports. Technologies I work with: 𝗔𝗜 𝗔𝗴𝗲𝗻𝘁𝘀: Claude Code • MCP • RAG • Hermes • OpenClaw 𝗔𝗜 𝗠𝗼𝗱𝗲𝗹𝘀: Claude Opus/Sonnet • GPT • Gemini • LLaMA • DeepSeek • Grok 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: n8n • Python • Node 𝗖𝗥𝗠 & 𝗗𝗮𝘁𝗮: HubSpot • Salesforce • GoHighLevel • Pipedrive • Zoho • Airtable • Notion • Supabase • Postgres 𝗗𝗲𝘃: REST • Webhooks • OAuth 𝗩𝗼𝗶𝗰𝗲: Vapi • Synthflow • Retell 𝗩𝗶𝘀𝗶𝗼𝗻/𝗠𝗲𝗱𝗶𝗮: Veo • GPT-Image • Sora • RunwayML • NanoBanana 𝗦𝗰𝗿𝗮𝗽𝗶𝗻𝗴: Playwright • Browser Use • Apify • FireCrawl 𝗣𝗮𝘆𝗺𝗲𝗻𝘁𝘀: Stripe • QuickBooks • Plaid • Square Why clients choose me: ✅ I bring senior engineering thinking, not just tool knowledge ✅ Systems that are reliable, maintainable, and built to scale ✅ Clear communication and predictable delivery ✅ Top 1% performer on Upwork with 50+ systems shipped for startups and enterprises If you’re tired of automations that only work until something changes, let’s talk.

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