dpdocspoints.
Available for select projects

Oluwatola Toyin SemiuFull-Stack Product Engineer & AI Model Evaluation Specialist

I build scalable web and mobile applications, integrate complex fintech APIs, and evaluate & align cutting-edge LLMs and Agentic AI systems.

View my work

Full-Stack & Mobile Apps

Built & shipped

AI Model Evaluation

& RLHF specialist

Fintech & Trade APIs

Custom integrations

App Store & Play Store

Production releases

Capabilities / 01

Engineering across the whole product lifecycle.

From system architecture to store release, every layer is handled with product thinking and operational context.

High Demand / Certified

AI Model Training, Evaluation & Agentic AI

Agentic AI & LLM Benchmarking

Evaluating complex AI agents on real-world coding tasks, API integrations, and multi-step reasoning.

RLHF & Multimodal Annotation

Conducting preference ranking, code output validation, and alignment testing across multimodal AI systems.

Model Safety & Red-Teaming

Identifying logic flaws, security vulnerabilities, and edge cases in automated workflows and code generators.

Platform Experience

Active contributor on participant panels, including Respondent.io AI Training, Evaluation & Safety programs.

RLHFModel SafetyAgentic AI EvaluationMultimodal AnnotationCode BenchmarkingRespondent.io Panel
01

Full-Stack & Mobile Development

Production-ready products across web and mobile, designed to scale cleanly.

ReactReact NativeTypeScriptTailwind CSSSupabaseFirebaseLovableGoogle AI Studio
  • Production app architecture
  • Responsive UI systems
  • Database schema design
  • Cross-platform deployment
02

Fintech & API Integration

Secure transaction systems and complex third-party services made dependable.

Squad GatewayXTransfer5SIM API1688 Data Sync
  • Custom webhook handling
  • Secure transaction workflows
  • Authentication flows
  • Verification systems
03

App Store Operations

Complete release management from internal testing to public distribution.

Google Play ConsoleApple Developer
  • App Bundle submissions
  • Beta testing tracks
  • Release management
  • Compliance navigation
04

E-Commerce & B2B Logistics

Connected commerce systems built around real operational workflows.

Multi-vendorOrder Tracking1688 Parsing
  • Marketplace portals
  • Fulfillment tracking
  • Product link parsing
  • Cross-border sourcing logic
05

AI & Media Automation

Practical AI workflows that accelerate content and digital operations.

SunoGoogle FlowAutomation
  • AI workflow automation
  • Audio and music generation
  • Media pipelines
  • Content optimization

Build to ship

Need a product that works beyond the prototype?

Selected work / 02

Platforms built around real business operations.

Complex infrastructure translated into focused products people can use.

Case study

AI Training & Evaluation

Agentic AI & Code LLM Benchmark Suite

Specialized in evaluating, fine-tuning, and red-teaming AI coding models, full-stack workflow generators, and agentic AI systems.

  • Code accuracy audits: Supabase schemas, Firebase FCM push, payment webhooks
  • RLHF & prompt optimization for Lovable and Google AI Studio pipelines
  • Safety checks & hallucination detection on AI-generated architectures
Agentic AIRLHFModel SafetyCode BenchmarkingMultimodal Annotation
Case study

B2B Cross-Border Logistics Platform

Flyemass

End-to-end sourcing and logistics mobile application connecting 1688 product links, automated order management, and live shipment updates.

  • 1688 sourcing link workflow
  • Automated order management
  • Real-time shipment status
LovableSupabaseFirebase FCMXTransfer APIMobile App
Case study

Vendor & Customer Platform

CityFood

On-demand food delivery platform with custom vendor portals, live interfaces, order processing, and flexible meal customization.

  • Vendor management portal
  • Real-time order processing
  • Meal customization flows
Full-Stack WebVendor PortalReal-time UISquad Payment API
Case study

Fintech & Verification Infrastructure

Virtual Auth Gateway

Secure service integrating payments, trade accounts, and virtual numbers into a reliable verification and transaction layer.

  • Squad payment processing
  • XTransfer trade verification
  • 5SIM number provisioning
API IntegrationPayment GatewaysWebhooksSecurity
Case study

Automated Content Operations

AI Media Pipelines

Automated digital media workflows producing custom audio and video assets through Suno and Google Flow for YouTube distribution.

  • Automated asset generation
  • Content pipeline orchestration
  • YouTube-ready distribution
AI WorkflowsMedia PipelinesSunoAutomation

Operating edge / 03

Engineering informed by operations.

Technical execution paired with hands-on understanding of product releases, global trade, and platform growth.

App Store Deployment Specialist

Complete deployment pipelines across Google Play Console and Apple App Store, including testing, compliance, and release management.

Cross-Border Operations

Deep experience across supply chains, Yiwu and Guangzhou sourcing hubs, and foreign exchange trade workflows.

Start a project / 04

Have a complex idea? Let’s make it clear, usable, and production-ready.