Senior Front-End Engineer with 7+ years of experience building and maintaining production web applications using React and TypeScript. I’ve maintained Next.js products in production, improved rendering and responsive layout issues, and evolved tightly-coupled front-end codebases into well-structured, modular systems. I’ve worked on a shared corporate banking platform used by 5+ engineering teams, defining module boundaries, state ownership, cross-application communication, and independent deployment workflows. I also collaborated directly with clients on requirements and tradeoffs, translating them into implementation plans, code reviews, and mentorship.

AREN CHILINGARIAN

Senior Front-End Engineer with 7+ years of experience building and maintaining production web applications using React and TypeScript. I’ve maintained Next.js products in production, improved rendering and responsive layout issues, and evolved tightly-coupled front-end codebases into well-structured, modular systems. I’ve worked on a shared corporate banking platform used by 5+ engineering teams, defining module boundaries, state ownership, cross-application communication, and independent deployment workflows. I also collaborated directly with clients on requirements and tradeoffs, translating them into implementation plans, code reviews, and mentorship.

Available to hire

Senior Front-End Engineer with 7+ years of experience building and maintaining production web applications using React and TypeScript. I’ve maintained Next.js products in production, improved rendering and responsive layout issues, and evolved tightly-coupled front-end codebases into well-structured, modular systems.

I’ve worked on a shared corporate banking platform used by 5+ engineering teams, defining module boundaries, state ownership, cross-application communication, and independent deployment workflows. I also collaborated directly with clients on requirements and tradeoffs, translating them into implementation plans, code reviews, and mentorship.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Language

Armenian
Fluent
Russian
Fluent
English
Advanced

Work Experience

Developer (Local RAG evidence layer) at Brain Engine — Quant Research Evidence Layer
November 1, 2025 - Present
Built a local research layer over 1,273 quantitative-finance documents across 60 domains with 108,163 source-classified chunks and evidence packets represented in JSON or Markdown. Implemented information retrieval and vector search with Qwen embeddings to support evidence-focused answering.
React/Next.js Developer (Real-time analytics & trading execution platform) at SPX Options Analytics & Automated Execution Platform
January 1, 2025 - Present
Built a real-time React/Next.js dashboard for SPX/SPXW analytics including historical replay, backtesting, trading signals, and execution state. Separated a fully cold research/audit pipeline from a warm path that reuses the last validated surface; real SPX fixtures run thoroughly with fast cold/warm timing. Kept execution behind dedicated Hyperliquid and Bybit adapters; used Hyperliquid Web3 wallet flows with RainbowKit, wagmi, and viem.
Senior Front-End Engineer at Alfa-Bank
April 1, 2024 - Present
Worked on a shared React + TypeScript corporate banking platform used by 5+ engineering teams. Defined module boundaries, state ownership, cross-application communication, and independent deployment workflows. Built reusable components and design-system foundations so product teams didn’t have to solve the same UI problems repeatedly. Traced production issues across performance, rendering, and cross-browser failures to root causes and shipped fixes. Reviewed architecture and front-end standards, documented them, and mentored engineers across product teams.
Front-End Developer at Quintegro
July 1, 2022 - April 1, 2024
Built and maintained production SaaS front-end applications using React, Next.js, and TypeScript. Refactored and loosely coupled legacy code into modules with clear ownership and predictable dependencies. Improved loading and data flows using lazy loading, caching, and batched requests. Built reusable components and design-system patterns for complex product workflows. Worked directly with clients on requirements and technical tradeoffs, translating discussions into implementation plans, leading code reviews, and mentoring two junior engineers. Integrated with backend and QA teams on REST API contract details and delivery.
Freelance — Front-End / Full-Stack Developer at Upwork
April 1, 2019 - September 1, 2020
Delivered production React applications for multiple clients, achieving scores above 90 in Lighthouse. Refactored client-side modules, fixing rendering and performance bottlenecks. Added Jest and React testing library, linting, and automated quality checks, improving CI/CD workflows. Collaborated with backend and QA teams on REST API contracts, integration details, and delivery.

Education

Russian State Social University (RGSU) — Intro to Front-End Development (Meta View credential) at Russian State Social University (RGSU)
January 1, 2020 - January 1, 2020
Intro to Back-End Development (Meta View credential) at Meta
January 1, 2020 - January 1, 2020

Qualifications

Meta View credential — Introduction to Front-End Development
January 1, 2020 - January 1, 2020
Meta View credential — Introduction to Back-End Development
January 1, 2020 - January 1, 2020

Industry Experience

Software & Internet, Financial Services, Education, Computers & Electronics, Gaming

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
See more