Ioan Iacob Senior Frontend Engineer — React, TypeScript, Next.js

Lead Frontend Engineer

Astronomer

Oct 2024 - Feb 2026 (1 year 5 months)

• For Airflow operators troubleshooting failed DAG runs, Next.js 14/15 route groups and streaming layouts reorganized task logs, run history, and environment views into faster navigation paths that reduced context switching during incident triage. • Rebuilt dense orchestration screens in React 18 with typed table state, persistent filters, and URL-driven view state so data teams could compare DAG health, retries, and schedule drift without losing their place between refreshes. • TanStack Query caches and typed API adapters cut duplicate fetch logic across run details, lineage views, and alert panels, which made loading and retry behavior more predictable on high-traffic operational surfaces. Because pipeline failures often arrive in bursts,

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Senior Frontend Engineer

DataStealth.io

Jul 2022 - Sep 2024 (2 years 3 months)

Enterprise data security workflows around discovery, classification, masking, and policy review moved onto Next.js 13/14 surfaces that handled admin-heavy screens, audit views, and onboarding flows with clearer module boundaries. • Built React 18 consoles for tokenization policies, sensitive-data inventory views, and exception review queues where dense tables, saved filters, and role-aware actions had to stay usable for security and compliance teams. • To keep policy and asset pages responsive, TanStack Query and typed clients normalized cache keys, stale-state handling, and retry semantics instead of scattering fetch logic across large components. • React Hook Form plus Zod validation powered multi-step setup flows for connectors, scan rul

Senior Frontend Engineer

accenture

Mar 2019 - Jun 2022 (3 years 4 months)

• Across enterprise transformation projects, React 16/17 and TypeScript were used to rebuild fragmented internal portals, reporting workspaces, and customer workflows where supportability mattered as much as visual polish. On client programs that needed SEO-sensitive public pages beside authenticated tools, Next.js 10 → 12 introduced shared routing, metadata, and deployment patterns without forcing every team onto the same rendering model at once. • Large configuration and approval flows were stabilized with Redux Toolkit, typed selectors, and reusable side-effect boundaries so multi-team delivery stopped producing inconsistent state behavior on long-lived screens. • React Testing Library and targeted Cypress journeys covered high-risk onbo

Frontend Engineer

Revolut

Nov 2016 - Feb 2019 (2 years 4 months)

• In fintech flows where card settings, transfer states, and account activity had to feel immediate, React 16 components replaced brittle view logic and made dense transactional screens easier to evolve safely. • Gradual adoption of TypeScript improved interface clarity around balances, exchange flows, onboarding state, and notification payloads at a time when untyped JavaScript was slowing down product changes. • For search-heavy and table-heavy account surfaces, Redux state and memoized selectors reduced accidental re-renders and kept filter, sort, and inline-action behavior more predictable during rapid product iteration. • Next.js 8/9 was introduced on selected marketing and SEO-sensitive routes so acquisition pages, help content, and c

Frontend Engineer

Nord Security

Jan 2015 - Oct 2016 (1 year 10 months)

Early cybersecurity and privacy-product interfaces were built with React 15/16, modular JavaScript, and reusable UI fragments that replaced increasingly hard-to-maintain jQuery-style page behavior. • Account, subscription, and support screens needed clearer state and error handling, so Webpack-based component builds and shared utilities reduced duplication across browser-heavy product pages. When product teams expanded consumer security offerings, REST integrations for plans, settings, and account actions were wrapped in predictable loading, retry, and empty-state behavior instead of ad hoc request code. SCSS architecture and reusable layout primitives improved consistency across dashboards, pricing surfaces, and support-oriented views wher

Ioan Iacob

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