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I'm Hashem Ghassaban, a versatile Front-End Engineer with 8+ years of experience building and delivering user-centric web applications across fintech and regulated industries. I excel in front-end architecture, platform integration, and shipping reliable features at scale while balancing performance, usability, and business goals. I'm a collaborative, accountable team player who thrives in cross-functional environments, fosters knowledge sharing, and actively contributes to team growth. I combine deep technical expertise with creative problem-solving, strong interpersonal skills, and a curiosity-driven approach to turn complex challenges into intuitive and impactful user experiences. I stay motivated by learning and delivering high-quality software.…I'm Hashem Ghassaban, a versatile Front-End Engineer with 8+ years of experience building and delivering user-centric web applications across fintech and regulated industries. I excel in front-end architecture, platform integration, and shipping reliable features at scale while balancing performance, usability, and business goals. I'm a collaborative, accountable team player who thrives in cross-functional environments, fosters knowledge sharing, and actively contributes to team growth. I combine deep technical expertise with creative problem-solving, strong interpersonal skills, and a curiosity-driven approach to turn complex challenges into intuitive and impactful user experiences. I stay motivated by learning and delivering high-quality software.

Hashem Ghassaban

Front-End Developer, Full Stack Developer, Web Developer, +2

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I'm Hashem Ghassaban, a versatile Front-End Engineer with 8+ years of experience building and delivering user-centric web applications across fintech and regulated industries. I excel in front-end architecture, platform integration, and shipping reliable features at scale while balancing performance, usability, and business goals. I'm a collaborative, accountable team player who thrives in cross-functional environments, fosters knowledge sharing, and actively contributes to team growth. I combine deep technical expertise with creative problem-solving, strong interpersonal skills, and a curiosity-driven approach to turn complex challenges into intuitive and impactful user experiences. I stay motivated by learning and delivering high-quality software.…I'm Hashem Ghassaban, a versatile Front-End Engineer with 8+ years of experience building and delivering user-centric web applications across fintech and regulated industries. I excel in front-end architecture, platform integration, and shipping reliable features at scale while balancing performance, usability, and business goals. I'm a collaborative, accountable team player who thrives in cross-functional environments, fosters knowledge sharing, and actively contributes to team growth. I combine deep technical expertise with creative problem-solving, strong interpersonal skills, and a curiosity-driven approach to turn complex challenges into intuitive and impactful user experiences. I stay motivated by learning and delivering high-quality software.

Available to hire

I’m Hashem Ghassaban, a versatile Front-End Engineer with 8+ years of experience building and delivering user-centric web applications across fintech and regulated industries. I excel in front-end architecture, platform integration, and shipping reliable features at scale while balancing performance, usability, and business goals.

I’m a collaborative, accountable team player who thrives in cross-functional environments, fosters knowledge sharing, and actively contributes to team growth. I combine deep technical expertise with creative problem-solving, strong interpersonal skills, and a curiosity-driven approach to turn complex challenges into intuitive and impactful user experiences. I stay motivated by learning and delivering high-quality software.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

Senior Front-end Engineer at Dotin

January 1, 2023 - Present

Led modernization of a legacy React codebase to React 18, enabling concurrent rendering and modern performance features. Refactored frontend into a modular, domain-driven architecture. Implemented real-time error monitoring and analytics, added Cypress end-to-end tests for critical banking flows, and integrated SonarQube in CI/CD to enforce code quality gates. Designed a scalable Access Control List (ACL) system with 400+ unique keys across 400+ pages, improving security and maintainability. Improved release stability and reduced bug triage time.

Senior Front-end Developer at Part Software Group

September 1, 2019 - January 1, 2023

Migrated UI from Aurelia to Vue 3 with a full UI redesign, boosting rendering speed by 60% and improving maintainability. Led frontend training through the Part College initiative, mentoring over 15 developers. Applied scalable design patterns (Strategy, Factory, Observer) to production code, reducing architectural drift by 35%. Participated in technical interviews to strengthen team skills.

Front-end Developer at ExirWorld

August 1, 2018 - December 1, 2019

Contributed to a large-scale digital ecosystem including Biz Incubator, platforms, VASs, Biz App, and User App. Built a location-based social platform with gamification features, increasing user engagement. Implemented a scoring and reward system, boosting daily active users and customer satisfaction. Optimized front-end performance with asynchronous service calls, achieving ~25% latency reduction.

Front-end Developer at Arzesh Network

July 1, 2016 - September 1, 2018

Implemented responsive web design strategies to improve mobile UX, reducing layout-related complaints by 20-25%. Developed and launched over 10 online shops using a mix of WordPress and custom code, addressing e-commerce challenges and delivering scalable web solutions.