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02 · Back Office & Data

BTSE Crypto Exchange

Back-office tooling and the data pipelines underneath it for a global crypto exchange — the part of an exchange its customers never see and its finance team lives in.

Client
BTSE
Sector
Crypto exchange
Scope
Back office · Data pipelines
Status
Shipped
BTSE Invoicing — client list, invoice calculation breakdown and settlement summary

01 · The brief

An exchange settling institutional clients has to answer one question every month, per client, without argument: what is owed, and how was it worked out. BTSE was answering it in spreadsheets assembled by hand from several systems.

We built the invoicing side of the back office — client and fee configuration, a calculation that shows its own working line by line, and a settlement summary a client can be sent as it stands.

02 · What we built

Invoice management, fee configuration, and the breakdown that explains a settlement.

Client config for Nimbus Exchange — fixed fees, maker/taker tiers, isolated markets, and a quick preview of the net settle amount
Client management — searchable list of clients with code, alias, nature, contract start and status
Invoice calculation breakdown — settlement summary and the detailed trading service fee working

03 · How we worked

  1. 01

    Discovery before specification

    Before a feature was specced we watched people do the job it replaces. The spec usually changes after that, and it is cheaper to change it then.

  2. 02

    A shared channel, not an account manager

    The client had a channel with the engineers writing the code, and a standing invitation to the morning standup.

  3. 03

    Something on staging every week

    Work was judged by using it rather than by reading a percentage. Two-week plans, re-planned on Fridays, so a wrong assumption cost a sprint instead of a quarter.

  4. 04

    Reviewed, tested, handed over

    Every change was read by a second engineer before it merged. Tests, a README and a recorded walkthrough came with the handover.

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