Looking for a job

SAVIOUR ISRAEL

@saviourisrael

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I build full-stack web, mobile, and AI platforms from architecture to deployment.

Nigeria

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What I'm looking for

I'm open to contract and full-time opportunities across backend, full-stack web, and Flutter mobile development, where I can build and deploy products end to end.

I've delivered end-to-end web, mobile, and AI integrations for Upwork and direct clients, owning architecture, deployment, and handover. My completed Upwork jobs have received 5-star client reviews, including a WhatsApp Cloud API integration.

At Ask Adonai, I build and maintain a WhatsApp devotional platform with Twilio, Firebase Cloud Functions, and Firestore. I modularized core features, created engagement systems around journey stages and streaks, and built a Next.js admin dashboard that lets the client manage content independently.

I've also architected SkyCare AI, a multi-tenant customer-service platform using LangGraph and RAG, and built Telegram payment bots that automate Paystack and Stripe checkout, webhook verification, and fulfillment. I work across React, Next.js, FastAPI, Node.js, Flutter, Docker, PostgreSQL, Redis, and cloud deployment.

Experience

Work history, roles, and key accomplishments

Current

Full-Stack Developer

Current

Ask Adonai

Jun 2026 - Present (3 months)

Building and maintaining a WhatsApp-based devotional platform using Twilio's WhatsApp API, Firebase Cloud Functions, and Firestore. Decoupled core product features into independent modules and designed a journey-stage and streak-milestone system to drive daily engagement.

Twilio WhatsApp API Firebase Firestore Next.js Content Management Streak Systems Cloud Functions

Current

Full-Stack Developer Freelance

Current

Upwork & Direct Clients

Jan 2024 - Present (2 years 8 months)

Delivering full-stack web, mobile, and AI-integration projects end to end for freelance clients sourced on Upwork, owning architecture, build, deployment, and handover. Completed jobs have all closed with 5-star client reviews, including a WhatsApp Cloud API integration.

Fullstack Development Web Development Mobile Development AI Integration Architecture Deployment Client Handoff WhatsApp Cloud API fastAPI React Next.js Flutter

AI/Backend Engineer

SkyCare AI

Architected a multi-tenant customer service platform combining LangGraph-powered conversational AI with a Retrieval-Augmented Generation (RAG) pipeline, including multi-turn context awareness and semantic-cache bypassing. Built an automated document-sync pipeline using FastAPI background tasks to index uploads into a ChromaDB vector store, with source-citation metadata for grounded responses.

LangGraph RAG fastAPI ChromaDB NATS Redis PostgreSQL Docker React Vite Tailwind Microservices Encryption

Full-Stack Developer

Telegram Bill-Payment & Subscription Bot

Built a Telegram bot to automate high-friction manual subscription and bill-payment workflows for business clients. Designed a conversational flow that collects customer account details and generates a Paystack payment link directly in-chat, removing manual invoicing.

Telegram Bot API Paystack Webhooks Payment Integration Conversational Flow Automation