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Ykay Code
Ykay Code
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For recruiters and hiring managers

The short version

I've shipped production software for over seven years. Today I lead engineering for Lone Star Civil's AI-powered platform on AWS: NestJS, PostgreSQL, document processing and zero-downtime deploys.

Who
Software Engineer & Architect
Roles I am after
Software Architect, Lead Engineer, Principal Engineer, Senior Backend Engineer, Lead Backend Engineer, Senior Full-stack Engineer, Lead Full-stack Engineer, Senior Mobile Engineer, Mobile Lead
Availability
Open to roles, full-time or on contract. I work remotely.
Shipping since
2019
Email meRead the résumé

Address: hello@ykaycode.com

Rather have a file? The same facts as a JSON résumé, or add me to your contacts.

Pick the role that fits

Each page below puts one kind of work first, with the skills and projects that go with it.

  • Software architecture

    Software Architect, Lead Engineer, Principal Engineer

    I take architectural ownership from first sketch to production: the cloud layout, the data model, the deployment pipeline and the written record of why each choice was made.

    See this track

  • Backend engineering

    Senior Backend Engineer, Lead Backend Engineer

    NestJS and Node APIs with real authorisation, background processing and observability, plus Laravel and Python where a project calls for them.

    See this track

  • Full-stack web

    Senior Full-stack Engineer, Lead Full-stack Engineer

    React and Next.js front ends with Node or Laravel backends, deployed and monitored by the same person who built them.

    See this track

  • Mobile apps

    Senior Mobile Engineer, Mobile Lead

    Native Android with Compose, Room and WorkManager, tested on a real device under Doze rather than only in an emulator, and native iOS apps in Swift with SwiftUI and UIKit.

    See this track

What I work with

Languages
TypeScript, JavaScript, Python, PHP, SQL, Kotlin, Swift, Bash, HTML5, CSS3
Backend
NestJS, Node.js, Express, Laravel, FastAPI
Frontend
React, Next.js, Tailwind CSS, Bootstrap, Vite
Data
PostgreSQL, MySQL, Prisma, Redis, SQLite, SQLAlchemy
Cloud and delivery
AWS, Docker, GitHub Actions, Vercel, Nginx, Render, AWS ECS Fargate, AWS Aurora, AWS S3, AWS ECR, AWS CodeBuild, AWS ALB, AWS CodePipeline
Mobile
Jetpack Compose, Room, SwiftUI, UIKit, Combine, Core Data
AI
Claude API, OpenAI API, Gemini API
Payments
Stripe, Flutterwave, Paystack
Auth and security
JWT, OAuth 2.0, RBAC
APIs and integration
REST API design, SSE streaming, Postman, Axios
Background processing
Celery, Job queues, Async task processing, Event-driven architecture
Monitoring and observability
AWS CloudWatch, Structured logging, Health checks

Things I have built

Where I have worked

  1. Neli Arabi GmbH

    Lead Backend Engineer and pod lead

    Apr 2026 to Oct 2026, Berlin, Germany (remote)

    I led a backend pod building a B2B ERP platform for complex multi-entity operations.

    • Led the pod from April to October 2026.
    • Helped build the platform's structured workflows, data control, integrations and reporting.
    • Built private enterprise review into the platform.

  2. Lone Star Civil

    IT Manager and Lead Software Engineer

    Mar 2025 to now, San Antonio, Texas (remote)

    I lead the design, build and deployment of a contractor-management platform with AI features, and I own the company's software and cloud infrastructure.

    • Run the backend on AWS ECS Fargate with Aurora Serverless v2 PostgreSQL, S3 and CodeBuild pipelines, deploying without downtime.
    • Built a NestJS and TypeScript REST API with more than 50 endpoints, JWT authentication, role-based access and per-company data isolation.
    • Added features on the Claude API: streamed answers, tool use and document processing for PDF, DOCX, XLSX and images, leading to automated bids, cost estimates and price comparison.
    • Model the data in Prisma on PostgreSQL, including schema design, query tuning and migrations for construction-domain data.

  3. TheSlimPrep

    Part-time Software Engineer

    May 2024 to Mar 2026, Canada (remote)

    I built web applications and REST APIs for several platforms on a multi-tenant architecture, alongside my full-time work.

    • Built web apps and REST APIs in Node.js and React for multiple platforms on a multi-tenant architecture.
    • Designed SQL schemas and indexes, improving data retrieval performance by 40%.
    • Set up Docker development environments and deployment workflows, which sped up onboarding and made CI/CD reproducible.
    • Added JWT authentication and role-based access to multi-tenant SaaS features.
    • Worked in a cross-functional Agile team.

  4. Independent

    Full-stack developer and consultant

    Feb 2019 to Mar 2023, Remote

    Delivered web applications for clients in education, e-commerce and logistics, from architecture to deployment.

    • Wrote custom backends in PHP with Laravel and in Node.js: authentication, admin dashboards, reporting and API integrations.
    • Deployed on AWS with DNS, SSL, Nginx and automated backups.
    • Advised small businesses on technical architecture as they moved online.