Junior Payment Engineer: implements standard Paystack checkout and webhook handlers, adds tests, fixes bugs. Mid-Level: owns a payment feature end-to-end, handles idempotency and failure modes independently, mentors juniors. Senior: designs multi-country payment systems, owns reliability, handles regulatory requirements, improves team processes. Staff: payment platform architecture, vendor selection, cross-team payment strategy, incident post-mortems.
| Level | What You Do | What Defines You | Kenya Salary (KES/mo) |
|---|---|---|---|
| Junior | Implement checkout flows, webhook handlers, fix bugs under guidance | Can ship a Paystack integration with assistance. Writes tests. | 60,000 – 120,000 |
| Mid-Level | Own features end-to-end, handle idempotency, mentor interns | Ships payment features independently. Handles common failure modes without escalation. | 120,000 – 220,000 |
| Senior | Design multi-country systems, own reliability, handle compliance | Designs idiomatic systems. Owns SLAs. Knows regulatory requirements for 2+ countries. | 220,000 – 450,000 |
| Staff | Payment platform architecture, cross-team coordination, vendor strategy | Sets technical direction for payment infrastructure. Writes RFCs. Drives vendor negotiations. | 400,000 – 700,000+ |
These are product company ranges for Nairobi. Bank or corporate IT roles typically pay less. Remote international roles (USD-denominated) pay 3-5x these figures for the same level.
Junior → Mid-Level: The signal is self-sufficiency. You stop asking "how do I handle duplicate webhooks?" and start asking "what is the right idempotency strategy for this use case, given our transaction volume and database constraints?" You write tests without being told to. You handle declined cards and timeout failures without guidance.
Mid-Level → Senior: The signal is scope expansion. You stop thinking about features and start thinking about the system. You proactively surface "this architecture will not work at 100,000 transactions/month" or "we need to handle settlement reconciliation, not just payment capture." You know at least one African payment regulation and can explain compliance requirements to non-technical colleagues.
Senior → Staff: The signal is organizational impact. You are the person other teams come to when they need to add a payment feature. You write the architecture decision records that others follow. You evaluate new payment providers and make the recommendation to leadership.
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