Tobi Bello

Full-Stack Software Engineer · Lagos, Nigeria

I build high-reliability fintech infrastructure, distributed state machines, and robust developer tooling. Experienced with high-volume transaction processing, idempotent ledger systems, and automated reconciliation across multi-region architectures.

TypeScriptNode.jsBunPostgreSQLPrismaNestJSNext.jsReact Native

Engineering Focus

Payment Infrastructure

Multi-region payment gateways, strict ledger double-entry bookkeeping, idempotency guarantees, and automated settlement pipelines.

State Machines & BNPL

Deterministic state machines for consumer lending, repayment scheduling, delinquency transitions, and real-time reconciliation.

Data Modeling & Scalability

PostgreSQL indexing strategies, query optimization, Prisma schema design, and isolation levels preventing race conditions.

Internal & Back-Office Tooling

Operational dashboards, audit trails, and automated workflows designed for risk, compliance, and customer ops teams.

Selected Projects

Scrabble Mastery & Analytics Engine

Full-stack interactive training app for tournament Scrabble players. Features lexicon search algorithms, anagram validation, and tactical board evaluation.

Next.js · Postgres

Fintech Payment & Reconciliation Engine

Resilient webhook dispatcher and end-of-day bank statement reconciliation pipeline handling idempotency keys and transactional outboxes.

Node · Prisma · BullMQ

Beyond the Terminal

Target Archery: Active archer at Zen Archery range (Compound: Sanlida Hero X10 II 37; Olympic Recurve: Sanlida Miracle 10 riser, Shibuya DX plunger, Easton X10 arrows).

Strategy & Lore: Competitive chess (1.d4 preparations), FromSoftware mechanics (Elden Ring, Bloodborne), and formulation chemistry / acid pharmacology.