Location: Jakarta · Hybrid 3–4 days in office Reports to: Founder / Engineering lead Compensation: Competitive cash base + performance bonus Start: As soon as available

Xellar is a financial platform providing API-based payment and money movement infrastructure. We operate across multiple regulated entities and serve customers across Southeast Asia and beyond.

We are hiring a developer to own our payment gateway layer — the integrations that connect our platform to banks, payment networks, and gateway partners, and the operational discipline that keeps money moving 24/7.

Payments is a domain where the happy path is easy and everything else is the job. Timeouts that may or may not have settled. Callbacks that arrive twice, late, or never. Partner sandboxes that behave nothing like production. Reconciliation breaks at 2am on payday volume. You will be the ...