Ariel Kotch

Frontend Engineer

Tel Aviv, Israel8 yrs 1 mo experience

Most Likely To Switch

Key Highlights

Led development of multiple high-impact DeFi platforms.
Expert in React and Next.js with proven architectural skills.
Co-founded a successful mobile application in the EdTech sector.

Stackforce AI infers this person is a Fintech and EdTech expert with strong frontend development skills.

Contact

Skills

Core Skills

ReactNext.jsReduxAndroid Development

Other Skills

TypeScriptWagmiViemDynamic SDKJotaiTanStack Queryweb3.jsThe GraphRedux ToolkitSolidityHighcharts.jsSVG.jsFirebaseSemantic UI ReactAngularJS

About

Languages and Frameworks JavaScript, Java, Python, Solidity, React.js, Redux Toolkit, Typescript, The Graph, Apollo GraphQL, RTK Query, Semantic UI React, Rebass, React Framer Motion, Three.js, Highcharts.js, Lodash, HTML, CSS, Node.js, Express, Firebase, MongoDB, Android Studio, EJS, JQuery

Experience

8 yrs 1 mo

Total Experience

1 yr 7 mos

Average Tenure

1 yr 11 mos

Current Experience

Dcentralab

Lead Frontend Developer - Chainport

Jun 2024 – Present · 1 yr 11 mos · Israel · Hybrid

Led frontend architecture for a modular Next.js + TypeScript application supporting cross-chain token swaps, transfers, bridge flows, and fiat on/off-ramps across 20+ blockchain networks.
Architected and launched a unified React wallet interface using Wagmi, Viem, and Dynamic SDK, enabling cross-chain transfers and contributing to over 100%+ growth in active users.
Designed application state architecture with Jotai and TanStack Query, reducing redundant API calls by ~4× and improving data efficiency.
Improved client-side performance by refactoring application state and optimizing asset delivery, increasing Lighthouse score from 24 → 67 (179% improvement).
Built an interactive UI for an LLM chatbot and AI trading strategy builder with multi-step workflows and visual pipelines using React Flow.
Led two developers in adopting clean code practices, conducting code reviews, and following sprint workflows, improving code quality and development consistency.

Next.jsTypeScriptReactWagmiViemDynamic SDK+2

Fuse

Lead Frontend Developer - Voltage

Sep 2022 – Mar 2024 · 1 yr 6 mos · Israel

Led frontend architecture and development of Voltage Finance, a DeFi platform reaching $2M in liquidity.
Developed a launchpad interface enabling partners to raise funding for new tokens, including the Mirakle token launch which raised $60K.
Built core DeFi trading and asset management interfaces (staking, token swaps, cross-chain bridges, and launchpads) using React, TypeScript, and Redux.
Built a real-time transaction caching and synchronization layer with Redux Toolkit to keep UI state consistent during live blockchain updates
Optimized analytics dashboard queries with client-side caching and batched requests, improving load times by ~3×

ReactTypeScriptReduxweb3.jsThe Graph

Cryptoproof

Lead Frontend Developer

Aug 2021 – Sep 2022 · 1 yr 1 mo

Founding engineer and frontend lead of a crypto asset verification platform that raised $1M in seed funding.
Led frontend development of the platform using React, Next.js, Typescript and Redux Toolkit.
Created an SDK to validate user ownership and verify Anti Money Laundering (AML) status across multiple cryptocurrencies for integration with financial institutions.
Designed state management and caching using Redux RTK Query, to reduce redundant requests.
Integrated Solidity-based contract logic to fetch balances and execute on-chain transactions.

ReactNext.jsTypescriptRedux ToolkitSolidity

Urna labs

Frontend Developer

Apr 2021 – Aug 2021 · 4 mos · Portland, ME

Developed data visualizations utilizing embedded JSON and API data calls with Highcharts.js
Designed and developed a browser-based SVG editor leveraging SVG.js and vanilla JavaScript for vector graphic authoring.
Led a platform-wide UI overhaul, migrating to Semantic UI React to modernize the interface and improve visual consistency.
Implemented Firebase authentication and real-time database, delivering secure login flows and live data updates across the application.
Managed Heroku deployment pipelines across staging and production environments.

Highcharts.jsSVG.jsFirebaseSemantic UI ReactReact

Maalka

Frontend Developer

Sep 2018 – Feb 2020 · 1 yr 5 mos · Brooklyn, NY

Developed and maintained an AngularJS application that secured $1M in funding from the U.S. Department of Energy.
Migrated core features to React, integrating Apollo GraphQL, REST APIs, and the Context API for a more modular and scalable architecture.
Implemented dynamic data fetching via Apollo GraphQL queries to enable real-time, user-driven updates.
Built a composable Lodash utility library for iterating and processing large multidimensional datasets.
Created Cypress end-to-end test suites to increase platform stability and improve regression coverage across major features.

AngularJSApollo GraphQLCypressReact

Afterclass

Mobile Developer

Oct 2015 – Dec 2017 · 2 yrs 2 mos · Baltimore, Maryland Area

Co-Founded and developed a mobile application using Java, embedded JavaScript, HTML, CSS, and Android Studio adhering to Material Design specifications.
Utilized Amazon Elastic Compute Cloud (Amazon EC2) servers to enable Afterclass to scale up or down based on traffic.
Employed Pingdom and StatusPage.io for production monitoring with server statistics provided by Datadoghq.
Utilized OpsGenie for Alerts and incident management.

JavaAndroid DevelopmentEmbedded JavaScript (EJS)