Dhuel Fisher
Senior Software Developer · Full stack · Mobile · UI/UX · AI-paired development
dhuelfisher@gmail.comdhuelfisher.comgithub.com/DhuelOpen to remote roles (U.S.)
Summary
Senior software developer with 10 years building enterprise, mobile, and web products, including 8+ years at AssetWorks. Trained in human-centered computing and focused on interfaces people can use in the field. I build across TypeScript and React front ends, Node.js, Python, and C#/.NET services, relational data, and native and cross-platform mobile, and I deliver through disciplined, spec-driven AI pairing.
Skills
- Languages
- TypeScript, JavaScript, C#, Python, Kotlin, Swift, SQL
- Web and APIs
- React, Next.js, Tailwind CSS, Node.js, Fastify, .NET, REST APIs, SOAP integration
- UI/UX
- User research, Usability testing, Wireframing, Low- to high-fidelity prototyping, Responsive design, Personas and task analysis, InVision, Marvel, Justinmind, Photoshop, Illustrator
- Mobile
- Jetpack Compose, SwiftUI, Xamarin, .NET MAUI, Barcode and RFID scanning, Hardware scanner integration, Clover payment processing
- Data and cloud
- PostgreSQL, SQL Server, Oracle, MySQL, SQLite, AWS (S3, ECS, CloudWatch, DynamoDB), Azure
- Quality and delivery
- Docker, Docker Compose, GitHub Actions, Vitest, Playwright, pytest, Property-based testing, Semgrep, OWASP ZAP, k6, Production support
- AI-paired development
- Claude Code, Codex, Kiro, ChatGPT, Spec-driven development, Parallel agent orchestration, Local LLMs (Ollama)
Experience
Senior Software Developer · AssetWorks LLC
June 2018–present- Primary developer on replatforming a field asset-validation product from Oracle and SOAP to Next.js, Fastify, and PostgreSQL, with a 16-endpoint mobile bridge and per-device rollback.
- Designed the shared backend (auth, users, audit, gateway) that four internal applications and the mobile apps now build on, with app-scoped migrations and per-service data isolation.
- Delivered a customer-configurable, role-based permission system end to end: 23 permission keys, security hardening, and unit, integration, end-to-end, and property-based tests.
- Build and support field mobile apps: Xamarin/C# cross-platform features, plus native Android (Kotlin, Jetpack Compose) and iOS (Swift, SwiftUI), with barcode, RFID, Clover payment processing, and hardware-vendor integrations.
- Set up quality and security gates: CI on every branch, Semgrep, OWASP ZAP, k6 load tests, and a rebuilt Playwright end-to-end suite.
- Onboard and mentor developers, write the team's shared spec-driven, AI-assisted workflows, and coordinate rollouts with IT, product, and vendor engineering.
Mobile Developer · E-ISG Asset Intelligence
June 2016–June 2018- Reworked the customer-facing mobile app end to end and built asset-tracking and auditing workflows with barcode/RFID scanning and push notifications.
- Collaborated with product, design, and infrastructure partners to refine and deliver mobile product features.
Lab Administrator · Howard University
August 2013–June 2015- Built Python/MySQL social-media data pipelines and automated Bacula/CentOS backups across 15+ servers.
- Maintained campus kiosks with real-time content updates.
Selected projects
Eleanor AI
Personal · AI-paired engineeringA portable continuity hub that gives Claude Code, Codex, Kiro, and ChatGPT one shared, current context across machines and sessions, with durable handoffs, spec-driven workflows, and written lessons learned.
Stock App
Personal · Fintech productA personal finance workspace: a Python core for dividend checks and FIFO cost-basis accounting, and a Next.js, React, and TypeScript interface whose recommendations explain themselves and stay read-only by default.