Senior Backend Engineer
About this role
Senior Backend Engineer
Duplo is building the platform to power the next generation of financial services. Our mission is to help companies expand financial access for all. Our simple and powerful banking-as-a-service API helps companies quickly launch financial products.
Senior Backend Engineer Job Type Full Time, Hybrid Qualification Experience 7 years Location Lagos Job Field ICT / Computer
Responsibilities
Backend Development:
- Design, develop, and maintain scalable, reliable backend systems using TypeScript and NestJS, with a focus on correctness in financial systems
- Design robust service boundaries and maintainable architecture across distributed services
- Architect and optimize PostgreSQL schemas for scale, including transaction handling, indexing strategy, and patterns that protect data correctness
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