Compass Data Engineer Salary by Level

Each of the 4 reports in the salary pool covers a data engineer at L3, and they corroborate each other tightly enough to read as a real signal rather than noise. Verified offers sit alongside base-only public filings where bonus and equity totals are modeled from peer ratios rather than reported directly, so the $272K median carries more confidence at the base layer than at the total-comp layer. The pool is entirely junior-level: 1 rung, no mid or senior reports at all. That concentration means the figures are internally consistent but tell you nothing about what a staff-level offer would look like, because none have surfaced. A range of $115K-$420K at entry reflects genuine dispersion across verified and modeled figures, not a mix of levels. Weight the median more than the range endpoints; each endpoint has limited reports behind it.

Compass operates in a geography and size band where cash tends to carry more of the offer than equity, and the reported figures here are consistent with that pattern. A $272K at L3 in Bratislava reflects a pay structure where base is the dominant component, and any equity portion at a private healthcare firm of this size is more likely to be options or a profit-sharing arrangement than a liquid RSU schedule with a defined vesting ladder. Without a public equity philosophy on record, the honest framing is that total comp is not reliably decomposable from the outside: offers in the $115K-$420K range likely differ more on bonus eligibility and equity type than on base alone. Before accepting, ask for the equity agreement directly; the difference between a paper grant and a cash-equivalent bonus materially changes what the headline number means over a 2 to 3 year hold.

At $272K, Compass pays above other Healthcare companies, and the likeliest mechanism is geography combined with the compliance overhead of healthcare data work. Bratislava-based roles in regulated industries tend to attract a pay premium over the regional software average because the candidate pool that can handle both pipeline fundamentals and data-governance constraints at a small firm is narrower than it looks. A shop with no open data engineering roles and a team still at the 501 to 1000 employee stage is not in a position to absorb a bad hire on a critical pipeline, so it bids up to secure engineers who can own a segment without hand-holding. The premium is also consistent with small healthcare firms that compete less on brand and more on comp to draw engineers who would otherwise gravitate toward larger organizations with more structured growth paths. That is a reading, not a documented comp philosophy, but it fits the profile.

With a flat ladder at 1 level and all reporting at L3, the level decision is already made for you: there is no senior rung to target. The negotiation question is entirely about components within the entry band, where the $115K-$420K spread gives you real room. Base is the component most worth pressing; at a private firm without liquid equity, base increases compound in a way that a speculative option grant does not. A competing offer from another healthcare or compliance-adjacent employer is the most concrete lever available, because it signals you are employable at this specialty rather than just available. Compass has had 3 executive departures recently, and a period of leadership turnover often loosens comp flexibility for individual roles as the company works to retain engineers during uncertainty. If you are holding an offer now, ask specifically about the bonus structure and any equity cliff before the first anniversary, since those terms are easier to negotiate at offer than after.