Graig Selewan
Payments & Integrations Engineer • Solutions Engineering & Technical Partnerships
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About
Payments and integrations engineer with 3+ years across fintech and Web3, now operating as the de facto technical lead for a startup reporting directly to the CEO and COO, sitting in merchant sales conversations, and owning the full merchant lifecycle from technical discovery through production launch and ongoing support.
Experience
Lead Integrations Engineer | Technical Lead, Payments & Merchant Solutions at Bitlipa (2024-06 – Present)
- Acting technical lead for engineering decisions, reporting directly to the CEO and COO.
- Join merchant sales conversations with Business Development, helping close 15+ strategic enterprise merchants.
- Own the full merchant lifecycle — discovery through production launch and support cutting onboarding time by 40%.
- Delivered 10+ crypto and fiat integrations, improving transaction success rates by 25%.
- Automated internal workflows (–60% manual processes) and contributed to a 30% rise in monthly transaction volume.
Software Engineer at eWAKA Mobility (2023-11 – 2024-06)
- Built and maintained a pay-as-you-go billing and an in-app digital wallet for an e-mobility platform, increasing revenue 25% and transaction efficiency 20%.
Data Engineer at Ramana Tech (2023-04 – 2023-11)
- Delivered data pipeline improvements that lifted operational efficiency by 15% and data quality by 10%.
Software Engineer at Qrpayafrica (2024-02 – 2025-07)
- Revamped backend and integrated Banking-as-a-Service APIs, cutting transaction time 40% and lifting wallet-to-bank efficiency 50%.
Software Engineer at Inkwell (2023-01 – 2024-07)
- Built an API framework and automated testing, improving response times 20% and cutting post-release issues 30%.
Education
BSc in Computer Science – Riara University