JAJerry Aneke
Lagos, Nigeria
Open to software engineering roles.
Software Engineer

Building dependable backend systems, resilient APIs, and scalable software.

Software engineer focused on distributed systems, data pipelines, and high-concurrency architectures. Experienced in building production microservices, atomic commerce engines, and scalable platforms where reliability, clean service contracts, and deterministic state consistency are essential.

01 / Featured Engineering

Selected Projects & Case Studies

View all systems
Backend Engineer (Built solo for a startup client)·Startup Client (Built Solo)

Ductape Multi-Provider Commerce

  • ›Modular monolith commerce backend exposing REST APIs and Model Context Protocol (MCP) tools for AI agents.
  • ›Atomic conditional SQL inventory engine guaranteeing zero overselling under high concurrency.
  • ›Multi-provider checkout saga integrating Paystack, Flutterwave, Stripe, and Mock with SHA-256 idempotency.
TypeScriptNode.jsPostgreSQLModel Context Protocol (MCP)Vitestpg-mem
Sole Backend Engineer on Team·SQUAD by GTCO

SQUAD by GTCO — Fraud Prevention & Risk Control Room

  • ›Multi-tenant fraud prevention microservice evaluating transactions in under 5ms for GTCO's SQUAD platform.
  • ›Decoupled latency-critical scoring path from PostgreSQL persistence using Redis Streams and asynchronous workers.
  • ›Maker-checker investigation state machine enforcing regulatory compliance and strict segregation of duties.
PythonFastAPIasync SQLAlchemyPostgreSQLRedis StreamsLightGBMAlembic
Backend Software Engineer (Team Project)·NITDAHUB

Voicer API — Audio Dataset Platform

  • ›Modular backend API spanning 10 cohesive domains built with TypeScript, Express.js, PostgreSQL, and Drizzle ORM.
  • ›Two-step direct-to-storage signed URL pipeline offloading audio streams entirely from application servers.
  • ›Asynchronous reviewer assignment engine with multi-role access control and automated dataset exports.
TypeScriptNode.jsExpress.jsDrizzle ORMSupabase StoragePostgreSQLSwagger / OpenAPI
02 / Additional Engineering

Specialized Prototypes & Platforms

Backend & Firmware Engineer

BMONI Agent Relay Node

  • ›Offline-first store-and-forward queue buffering cryptographic payment records during network disconnections.
  • ›Asynchronous relay service synchronizing local escrow events with blockchain ledgers upon reconnection.
  • ›Embedded C++ firmware communicating over PySerial with an integrated Gemini diagnostic assistant.
C++PlatformIOPythonPySerialIoT
Also: AI Audio Collector — A supplementary dataset collection pipeline built with Node.js, Supabase, and Drizzle ORM to support community audio gathering.
03 / Capabilities

Core Competencies

01

Backend & API Architecture

TypeScriptNode.jsPythonFastAPIExpress.jsPostgreSQLDrizzle ORMSQLAlchemy
02

Distributed & Asynchronous Systems

Redis StreamsPostgreSQL FOR UPDATE SKIP LOCKEDAsynchronous WorkersAudit Logging
03

Payments & Transaction Reliability

PaystackFlutterwaveStripeCheckout SagasIdempotencyAtomic SQLOutbox Pattern
04

Security & Access Governance

RBACMaker-Checker FSMJWTBcryptSSRF GuardsPrompt-Injection Defense
05

Intelligent Systems Integration

Model Context Protocol (MCP)LightGBM Risk ScoringZod Tool Schemas
04 / Contact

Let's build dependable software.

Open to software engineering roles. Feel free to reach out directly via email or connect on LinkedIn to discuss software engineering roles, backend systems, or distributed architecture.