DONWI
Getting things ready
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Engineering & AI Impact

Building intelligent systems that scale.

I help teams turn product ideas, internal problems, and AI opportunities into software that people can actually use. The focus is practical delivery: reliable systems, clearer workflows, and technology choices that support business growth.

17+
Years turning ideas into reliable products
AI
Practical AI features for real workflows
Fintech
Reliable systems for sensitive transactions
Scale
Apps prepared for more users and growth
01

Practical AI Product Architecture

Turning AI ideas into useful product features. I help define what AI should do, connect it to the right business data, and add review points so the output stays helpful, traceable, and safe.

AI AssistantsKnowledge SearchWorkflow Automation
02

Reliable Business Systems

Building systems where accuracy matters, especially for payments, reports, and internal operations. The goal is fewer manual fixes, clearer records, and confidence when the product gets busy.

PaymentsAudit TrailsReliability
03

Scalable Web Platforms

Helping applications stay fast and manageable as more users, features, and teams are added. This can mean improving a monolith, splitting parts into microservices, or making deployments safer.

MicroservicesCloud PlatformsSafer Releases
04

Technical Direction & Delivery

Helping teams turn unclear requirements into a practical delivery plan. I translate business goals into technical decisions, guide engineers, and keep progress tied to real outcomes.

PlanningTeam GuidanceDelivery

Technology toolkit

The stack behind the systems.

These are the tools I use to build websites, dashboards, APIs, mobile experiences, AI features, and cloud systems. The stack is chosen for reliability, team fit, and long-term maintainability.

Languages

Core programming languages used to build product features, automation, APIs, and internal tools.

JavaScriptTypeScriptPHPPython

Frontend

Interfaces for dashboards, portals, ecommerce flows, and customer-facing web products.

ReactNext.jsVue.jsNuxt.jsTailwindBootstrap

Backend & APIs

Services, integrations, auth, payments, data flows, and microservice-based product foundations.

Node.jsExpress.jsLaravelCodeIgniterFlaskMicroservices

AI Engineering

Focus

Practical AI features for search, assistants, workflow support, review screens, and automation.

OpenAILLM integrationPrompt engineeringAI-assisted workflows

Databases

Data storage and search systems for reporting, operations, product records, and customer activity.

MySQLMariaDBMongoDBMSSQLElasticsearch

Cloud & Deployment

Deployment, monitoring, and infrastructure practices that make releases safer and easier to repeat.

DockerKubernetesCI/CDAWSGCPLinuxGit

Mobile & Cross-platform

Mobile and desktop app delivery when the product needs to reach users beyond the browser.

FlutterFlutterFlowCapacitorCordovaElectron

Blockchain & Web3

Wallet-connected apps, token flows, and smart contract integrations when the business case fits.

EVMSmart contractsWeb3DAppsDeFiSolana

AI project capabilities

From AI hype to production reality.

AI works best when it solves a clear problem. I help teams choose the right use case, connect AI to useful company data, add safety and review steps, and build an interface that makes the result easy to trust and use.

Production AI checklist

A clear business problem and a measurable success target.

The right company data, documents, or system access to support the AI.

Simple ways to check accuracy, response speed, and operating cost.

Human review for decisions that should not be fully automated.

Visibility into what the AI received, produced, and how often it is used.

Rapid AI Prototyping

Turn an AI idea into a working demo quickly, so the team can see whether it is useful before spending heavily on a full build.

Working DemoClear ScopeFeasibility Check

Company Knowledge Assistants

Create an assistant that can answer questions from company documents, policies, FAQs, or knowledge bases with links back to the source.

Document SearchAnswer AssistantSource References

Intelligent Workflow Automation

Reduce repetitive work such as reviewing, summarizing, classifying, or preparing drafts while keeping human approval for important decisions.

Draft AutomationReview StepsProcess Support

Safe AI Integration

Add AI into an existing app in a controlled way, with attention to cost, speed, errors, and how the team can monitor what is happening.

App IntegrationCost ControlMonitoring

Human-in-the-Loop UX

Design AI experiences where people can review, correct, and approve the result, so users stay in control instead of blindly trusting automation.

Approval ScreensFeedbackUser Control

Strategic AI Consulting

Find where AI can realistically help the business, what data is needed, what risks to manage, and what should be built first.

Use-case DiscoveryRisk ReviewBuild Roadmap

Selected work

Real-world solutions. Proven execution.

A few examples of how technical work turns into business outcomes: faster operations, more reliable payments, smoother releases, and AI workflows that reduce manual effort.

Selected workEnterprise AI Knowledge Assistant

Context

An organization had important information spread across many documents and tools, making answers slow to find.

Contribution

Built an AI-powered knowledge assistant that searches internal content and gives answers with references to the original source.

Result

Reduced time spent searching for information by 80% and made answers easier to verify.

AI AssistantDocument SearchNext.jsPython
Selected workHigh-Volume Payment Infrastructure

Context

A fast-growing fintech platform needed its payment system to stay accurate and reliable as transaction volume increased.

Contribution

Improved service responsibilities, payment APIs, reconciliation checks, and audit records so operations could trust the numbers.

Result

Reached 99.99% uptime, reduced manual checking, and created a stronger base for new financial products.

FintechMicroservicesNode.jsAWS
Selected workAutomated AI Workflow Engine

Context

A digital agency needed to produce and review more content without adding the same amount of extra manual work.

Contribution

Built an AI-assisted workflow that prepares drafts, routes them for human review, and keeps the approval process visible.

Result

Increased throughput by 5x while maintaining quality control, significantly reducing operational costs.

AI AutomationReview WorkflowReact
Selected workCloud-Native Platform Modernization

Context

A SaaS platform had a mix of older application code and separate services that made new releases slow and difficult to coordinate.

Contribution

Clarified which parts should stay together, which parts should become services, and improved the release process with automation.

Result

Reduced deployment time from hours to minutes and helped product teams release changes more independently.

MicroservicesCloud PlatformDockerCI/CD

Work together

Flexible engagements. Maximum impact.

Whether you need a senior engineer, a technical lead for an AI initiative, or a reliable partner for a defined project, I can support the work in a way that matches your team and timeline.

01 / 04

AI Solution Partner

Companies that want to use AI but need help turning the idea into a clear, useful, and production-ready feature.

Available
  • AI feature delivered end to end
  • Company data connected safely
  • Usage, cost, and quality can be tracked
Showing AI Solution Partner

Operating model

A practical path from ambiguity to production.

01

Diagnose

Clarify the business goal, what is blocking progress, and the fastest useful path forward.

02

Plan

Turn the idea into a practical plan: what to build, what to avoid, and what success looks like.

03

Build

Build in focused steps, keep the team informed, and make tradeoffs visible before they become expensive.

04

Stabilize

Improve reliability, prepare release flows, document the work, and make handover straightforward.

Next step

Ready to accelerate your engineering?

Let's discuss what you are trying to build, improve, or automate. I can help turn the problem into a clear technical plan and ship software that is reliable, useful, and easier for your team to maintain.

Comfortable joining existing teams or leading a new technical direction.

Strong fit for fintech, SaaS, internal tools, AI workflows, and complex web products.

Available for full-time opportunities, fractional leadership, scoped project work, and AI prototypes.

Send a short note with the role, project context, timeline, and the most important technical constraint.