Hadi Zare - Senior Software Engineer | React, Next.js, Full-Stack Developer

Summary

Senior Software Engineer with 8+ years building performant, product-focused web apps. Co‑founder of HiveGuide (Finnish Startup Permit). I ship clean, type‑safe code and lead teams to deliver end‑to‑end features across modern JavaScript stacks.

Led frontend/tech initiatives, modernized stacks, and improved DX.
Architected and shipped full‑stack products from MVP to adoption.
Strong focus on performance, accessibility, and maintainability.

Experience

HiveGuide | Helsinki, Finland

Software Engineer 11/2024 – Present

Architected and migrated a distributed backend system from Django to NestJS with PostgreSQL, implementing advanced RAG architecture with vector databases for enhanced AI accuracy and multi-tenant scalability.
Explored and integrated Azure services for cloud deployment and scaling strategies.
Selected and approved by Business Finland for the Finnish Startup Permit based on the innovation, international growth potential, and novelty of the business model.

SolidICT | Istanbul, Turkey

Frontend Tech Lead 07/2023 – 10/2024 (1 yr 4 mos)

Built a custom real estate platform from the ground up for external clients, delivering a tailored solution to meet specific needs and business goals.
Conducted research and implemented new technologies, leading the frontend team using cutting-edge tools such as Next.js (latest), Vercel, and real-time in‑app video meetings.

Roomvu | Vancouver, Canada (Remote)

Senior Frontend Developer (Contract) 04/2023 – 06/2023 (3 mos)

Created and maintained a decoupled front‑end architecture to accelerate delivery and reduce development costs.
Optimized front‑end components to improve performance and user experience, increasing engagement and retention.

Azki | Tehran, Iran

Senior Frontend Developer 04/2021 – 03/2023 (2 yrs)

Led the redesign and refactoring of the CRM panel, resulting in a 32% reduction in issuance time.
Refactored a legacy service to Java and built a microservice for the Survey Builder, boosting engagement by 13% and improving scalability.
Contributed to the in‑house ReactJS/MUI component library, reducing code duplicates by 40%.
Mentored and trained 2 developers, contributing to their professional growth.

Technical Skills

Languages

Core programming languages

JavaScript (ES6+) TypeScript Python Java

Backend

APIs, services, frameworks

NestJS Node.js Express.js Django FastAPI Spring Boot Laravel

Frontend

UI frameworks, state, styling

React Next.js Vue Nuxt React Query Redux Zustand GraphQL HTML5 SCSS/SASS TailwindCSS Material UI Ant Design Webpack RESTful API

Databases

Relational and document stores

PostgreSQL MySQL MongoDB Redis

DevOps & Infra

Cloud, CI/CD, containers, platforms

Docker CI/CD Azure AWS Kubernetes Kafka Vercel Git

Testing & QA

Unit, integration, E2E

JUnit 5 Spring Test React Testing Library Jest Cypress

Education & Certifications

🎓

Bachelor of Science in Computer Engineering

University of Arts and Sciences of Yazd

B.Sc 2017 – 2023

Yazd, Iran