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Tural Hajiyev

@turalhajiyev

Senior Frontend Engineer at Trelleborg, migrated 10+ corporate sites to headless Next.js and cut load times by 15%.

At Trelleborg, I migrated 10+ corporate sites from Sitecore MVC to a headless Next.js platform, cutting page load times by 15%. I contribute to Rhea, the internal React and TypeScript design system, and designed a theming system that lets three brands share a component library without duplicated code.

At 10BE5, I re-architected the Takedown desktop app and built CircleUp, which reduced manual document review from about two days to 4–6 hours per document. I also added streamed, source-cited AI summaries and Q&A to CircleUp, and created SendCheck, an Outlook add-in used by 200+ staff. In freelance projects, I built a Next.js news site and an AI document chat app using a RAG pipeline.

Experience

Work history, roles, and key accomplishments

Current

Senior Frontend Engineer

Current

Trelleborg

Jan 2025 - Present (1 year 9 months)

Migrated 10+ corporate sites to a headless Next.js platform, cutting page load times by 15%. Built core components, designed a theming system for 3 brands, and mentored a junior developer.

Next.js React TypeScript Server Components Design Systems Storybook Jest React Testing Library Chromatic Accessibility WCAG 2.2 Core Web Vitals Technical SEO Mentorship Code Review

Freelance Frontend Engineer

Technote.az

Jan 2025 - Jan 2026 (1 year)

Built and maintained an Azerbaijani technology news website using Next.js, TypeScript, and Tailwind. Owned technical SEO after a rebrand, adding structured data and canonical URLs.

Next.js TypeScript Tailwind Technical SEO Structured Data Canonical Tags Sitemaps

Freelance Full-Stack Engineer

AI Document Assistant

Jan 2025 - Dec 2025 (11 months)

Built an AI document chat app with Next.js, TypeScript, and Tailwind. Designed a RAG pipeline with LangChain, OpenAI, and Pinecone, and implemented authentication and file storage with Supabase.

Next.js TypeScript Tailwind RAG Lang Chain OpenAI Pinecone Supabase Puppeteer Authentication File Storage

Senior JavaScript Engineer

10BE5

Nov 2021 - Jan 2025 (3 years 2 months)

Re-architected a document automation desktop app from Electron + Python to React 19 and Electron with SQLite, cutting document preparation time by ~40%. Built CircleUp and SendCheck, adding LLM-powered features and Microsoft Graph integration.

React TypeScript Electron SQLite Next.js Microsoft Graph Azure AD OfficeJS LLM OpenAI Gitlab CI Jest React Testing Library

Frontend Developer

Prospect SMB

Sep 2020 - Nov 2021 (1 year 2 months)

Built a large-scale ERP and CRM web app with 15+ modules, including an in-browser call center softphone with WebRTC and SIP. Centralized data management with Redux and implemented role-based access control with CASL.

React Redux WebRTC SIP JsSIP CASL Reselect Server Side Pagination Filtering Sorting

Frontend Developer

Pronet

Jul 2019 - Sep 2020 (1 year 2 months)

Developed a CRM desktop application with VoIP calling, an inventory management web app, and a job portal with real-time notifications. Built with React, Electron, and JsSIP.