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Now hiring · 🌱 Future Builder track

Data Infrastructure / Product Engineer

Grow into the engineer our internal tooling and client data infrastructure get built around. We're betting on raw talent and fundamentals — not on years of industry experience.

Bratislava, Slovakia Optional 4-/3-day week Hybrid 40/60 Employment contract (TPP) €1,900–€2,300 / mo gross
01 — About the role

Most of Datacop is consultants running technical marketing for US and UK eCommerce brands ($25M–$2B revenue range). This role is different: you're the engineer. The work has two sides that feed each other — technical client work, mostly in Google Cloud: data engineering in BigQuery, pipelines, tracking implementations, warehouse builds for real brands with real data volumes. And building the tools that make that work repeatable — internal tooling that's increasingly becoming products in its own right. The concrete work is listed below.

Both our founders spent years at Exponea — the Slovak startup whose platform became Bloomreach Engagement. What we remember from there: some of the most important systems were built by people in their first job. Matfyz and FIIT people with no industry experience, terrifying fundamentals, and the nerve to own hard problems. That's the profile this role exists for.

If you've never had a job, that's fine. If your degree isn't finished, that's fine. What matters is whether the underlying material is there — the fundamentals, the builder instinct, the learning rate. The domain can be taught; the material can't.

Before applying, please read our full Join Datacop page — it explains who we hire, how we work, what we offer, and what we expect. The rest of this page assumes you've read it.

02 — What you'll actually do

The shape of your work will evolve as you grow. In the first 6–12 months, expect a mix of:

Data engineering for clients in BigQuery and Google Cloud — schema design, data modeling, transformations, Cloud Functions — including AI-assisted warehouse builds: standing up a clean, well-modeled BigQuery foundation in days, not months. The warehouse isn't everything a brand's marketing runs on, but it's an important part — and the part where quality compounds.
Building and extending our data pipelines — Shopify to BigQuery to the marketing stack, frontend and backend data, customer records and product catalogs. Reliable, observable, correct.
Implementing and improving data tracking — first-party event capture with frameworks like walkerOS, across client storefronts: where events are defined, how identity attaches to them, and how tracking stays clean instead of rotting.
Owning or supporting the most technical aspects of Bloomreach Engagement integrations — the data feeds, catalog syncs, event flows, and edge cases where the marketing platform meets the client's data infrastructure.
Evolving our reporting platform — an already-live online repository of reports, generated with Claude Code and running on each client's own infrastructure. The build isn't greenfield; the craft is in the ongoing improvement.
Extending our email asset creation tooling — the block and asset system, and the AI workflow that assembles campaigns from it.
Orchestrating Claude and the Anthropic suite on everything — code generation, data analysis, workflow automation. AI is how the work gets done here, not a side experiment. The judgment stays yours.
Taking ownership of progressively larger systems as your judgment develops — from components under mentorship toward owning tools end-to-end.
03 — What we're looking for
Fundamentals that were trained, not googled

You studied (or study) at matfyz, FIIT, or somewhere with the same relationship to first principles. Not because we care about the diploma — because we care what years of real math and computer science do to how a person thinks. You know why a hash map is fast — and when it isn't. You've implemented things most people only import.

The builder instinct

You build things nobody asked you to build. There's a repo, a game, a scraper, a bot, a compiler for a language with one user. Possibly abandoned. That's fine — the instinct is the point.

Structured thinking under ambiguity

A vague brief doesn't freeze you — you sharpen it. You decompose problems you've never seen before, because that's what problem sets trained you to do.

Honesty about what you don't know — and speed at fixing it

This profile has no industry experience by definition. What it has instead is a learning rate that makes inexperience a temporary condition.

Comfort being trusted rather than managed

Tasks live in a project management tool and you're expected to keep them updated — deadlines exist, and delivery gets checked. What we don't do is micromanage the path: nobody prescribes how you solve a problem or watches over your shoulder while you do. You get context, ownership, and mentorship when you want it. That's freeing for the right person and uncomfortable for the wrong one.

Working English

Our clients are in the US and UK, our tools and docs are in English. You don't need to be a polished presenter — this is an engineering role — but you need to read, write, and hold a technical conversation comfortably.

Native or near-native fluency with AI tools

Or hunger to get there fast. AI is how the work is done at Datacop, not a side experiment.

What we don't require: work experience, a finished degree, a polished CV, or prior knowledge of eCommerce and marketing tech. We've hired people whose only track record was what they built for themselves.

04 — What we offer
Compensation & ownership
€1,900–€2,300 / month gross — depending on skills, with clear room to grow Standard employment contract (TPP) — a real employee, not a contractor on živnosť 30% profit share — for all Datacops past six months
How & where you work
Optional 4- or 3-day workweek — opt in and shift it as your life changes Roughly 40% in-office, 60% remote Dedicated office in The Spot — the largest coworking space in Slovakia 3-month trial period — a mutual evaluation, for both sides
Growth, learning & life
Education opportunities — heavy investment in hard and soft skills Fully-paid Multisport card, company laptop, book library Weekly company breakfast — because we like waffles The Spot perks — free gym, Xbox, ping-pong, billiards, foosball, quarterly parties A young, supportive team — average age 27
05 — How to apply

Send a short note to hiring@datacop.services — subject line “Data Infrastructure / Product Engineer — Future Builder.”

Skip the cover letter. Send us something you built instead. Tell us:

01A link to something you made — a repo, a deployed thing, a write-up, a school project you went unreasonably deep on — and a few sentences on what was hard about it 02Why building data infrastructure and internal tools is something you want to spend the next several years getting great at 03What about Datacop specifically made you reach out — read the Join Datacop page first; generic messages stand out for the wrong reasons
Apply now → We read every application. If you're a fit, we'll respond within a week.

If you're reading this in your last year at FIIT or matfyz and thinking “I could do this but I've never had a job” — that's not a gap in your application. That's the profile.