AI Automation Engineer · Sales & Operations
Sales and operations automation that runs in production.
From the first call to the signed offer, and every follow-up in between. Designed and built in Vienna for EU businesses.
A few lines by WhatsApp or email are enough. I read every message myself and reply personally.
- Built for EU
- DSGVO by design
- AI Act: human oversight built in
- Vienna, Austria

Automations
Find the line that sounds like your business.
Sales
one pipeline, five stages — each feeds the next- “We need new B2B customers, not a bigger list.”AI prospect research
- “Leads come in faster than we can answer them.”Lead qualification, scoring & routing
- “Our reps forget to follow up.”Automated follow-up
- “Nobody learns from the calls or the lost deals.”Call & lost-deal analysis
- “The CRM is where work goes to be typed twice.”CRM automation & AI agents
Operations
everything around the deal — each one adds to the others- “Calls and emails pile up unanswered.”Inbound intake & support
- “Every missed call is a lost job.”Call answering & appointment booking
- “Offers and approvals wait on someone's desk.”Document drafting & approval routing
- “Deadlines slip until the client notices.”Deadline tracking & escalation
- “CRM, accounting and phone system never agree.”Systems integration
How every scenario is built
- Event
- Only the data needed
- AI decides or assists
- System acts
- Result checked
- Human when needed
Privacy by design is part of the pattern, not a paragraph in the footer: minimum data per step, the outcome is stored, the raw conversation is not.
Case studies
Three system examples, in production or production-ready.
Built end to end, each with the architecture behind it.
A voice AI that answers the phone for Austrian service businesses
Every missed call is a lost lead. In a service business the phone rings while the owner is on a job or already home for the day, and a voicemail box books nothing.
Read the case Interview preparation Production-readyInterview practice by voice, built from the job posting and your CV
Most people prepare for an interview by reading lists of typical questions. What they rarely get is practice: saying the answers out loud, to someone who asks back, in the language the interview will be held in. A friend does not know the job, and a coach is not available at eleven at night before the big day.
Read the case Employee onboarding Production-readyOnboarding new employees from your own documents, by voice
A new hire usually gets a stack of documents: processes, product information, internal rules. Reading them is not the same as knowing them, so an experienced colleague ends up explaining the same things again, for every new person. Turning the documents into a proper course would help, but building one takes time a small company rarely has.
Read the caseHow it goes
From your message to a system that runs.
We talk about the problem.
You describe what slows you down; I say what I would automate first, and what not.
A short check on your data.
A few real requests, calls or documents show whether the scenario holds before anything is built.
Build and connect.
I build the automation, connect it to your CRM, phone and email, and test it on your cases.
Go live and stay reachable.
It runs in production with monitoring; I remain the person you call when something changes.
Who you'll work with
One engineer, not an agency.
I'm Serge Kravchenko, an AI automation engineer in Vienna. I design, build and run every system myself: telephony and real-time voice, AI agents, CRM integrations, deployment and monitoring. DienstBot, my voice AI for Austrian service businesses, runs in production on the same rules I apply to your project. You talk to the person who writes the code.
Available for freelance and contract projects across Europe. Remote, based in Vienna. Serge Kravchenko on LinkedIn
Contact
Describe what slows you down.
You get back what to automate first — and what not to.
Both open with a short template: your business · what slows you down · phone (optional)
Have a defined project already? Send the brief.