Frontend Tech Lead / Team Lead
Alexander Marfel
Frontend Tech Lead focused on product delivery and frontend platform building — architecture, quality gates, and predictable releases for multi-app teams.
10+ yearsReact / Next.jsTypeScriptPlatform & ToolingCI/CD · Release disciplineMulti-region delivery
What I bring
Calm execution, strong ownership, and clean engineering decisions — from UI details to architecture and release quality.
Quick path: skim Projects, then reach out if the profile matches your needs.
Featured projects
A small selection that reflects my delivery style: clarity, quality, and performance.
CI/CD: Single Build → Promote
2024–Present
A release process that promotes build artifacts across environments/regions without rebuilding.
Frontend Platform (UI Kit + Packages)
2024–Present
A shared frontend platform: internal UI kit, core packages, API SDK, and unified tooling.
Vilavi Web Shop (Next.js App Router)
2024–Present
E-commerce web shop built on App Router with i18n, forms, and disciplined delivery for frequent releases.
Featured experience
Roles and decisions that shaped outcomes in production.
Frontend Tech Lead / Team Lead · Vilavi
2024-10 — Present
Hybrid
Led frontend delivery for a multi-region product: Next.js App Router web shop, Vite-based web cabinet, and a shared frontend platform.
- Built and maintained a frontend platform: internal UI kit, core packages, TypeScript API SDK, and unified tooling configs.
- Introduced semver and a release cycle for apps/packages, including publishing to a private npm registry.
- Designed CI/CD “single build → promote” across environments/regions with zero-downtime rollout practices.
- Owned quality gates (typecheck/lint/format) and build hygiene (metrics/bundle awareness) as part of the delivery process.
- Operated in a multi-environment setup (dev/test/prod) with frequent releases and production support responsibilities.
- Led planning, decomposition, code review, mentoring, and cross-team alignment (product/design/backend).
Senior Frontend Developer · Entangle
2023-12 — 2024-10
Remote
Shipped and stabilized multichain dApp experiences (EVM + Solana) with a focus on correctness, edge cases, and release reliability.
- Implemented and maintained critical wallet flows and on-chain interactions; resolved high-impact edge cases.
- Improved UX reliability via error semantics, defensive UI states, and predictable data fetching patterns.
- Collaborated closely with product and backend to unblock releases and reduce production issues.
Let’s talk
If you’re hiring or need help shipping a product.
Open to senior frontend roles and short-term consulting. If you write, add context (role/project, timeline, links).