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I'm Saeed Kargosha, a Fullstack Team Leader with 8+ years of experience guiding cross-functional teams and delivering scalable web applications. I’ve led multi-country projects, built robust back-end services with PHP and Go, and shaped front-end architectures using JavaScript, TypeScript, React, and React Native. I’m passionate about mentoring developers, driving best practices, and aligning technical decisions with business goals to ship value on time. I began my career in 2017 focusing on modern web technologies and have since deepened expertise in system design, agile delivery, and cross-team collaboration to deliver high-impact products.…I'm Saeed Kargosha, a Fullstack Team Leader with 8+ years of experience guiding cross-functional teams and delivering scalable web applications. I’ve led multi-country projects, built robust back-end services with PHP and Go, and shaped front-end architectures using JavaScript, TypeScript, React, and React Native. I’m passionate about mentoring developers, driving best practices, and aligning technical decisions with business goals to ship value on time. I began my career in 2017 focusing on modern web technologies and have since deepened expertise in system design, agile delivery, and cross-team collaboration to deliver high-impact products.

Saeed Kargosha

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

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I'm Saeed Kargosha, a Fullstack Team Leader with 8+ years of experience guiding cross-functional teams and delivering scalable web applications. I’ve led multi-country projects, built robust back-end services with PHP and Go, and shaped front-end architectures using JavaScript, TypeScript, React, and React Native. I’m passionate about mentoring developers, driving best practices, and aligning technical decisions with business goals to ship value on time. I began my career in 2017 focusing on modern web technologies and have since deepened expertise in system design, agile delivery, and cross-team collaboration to deliver high-impact products.…I'm Saeed Kargosha, a Fullstack Team Leader with 8+ years of experience guiding cross-functional teams and delivering scalable web applications. I’ve led multi-country projects, built robust back-end services with PHP and Go, and shaped front-end architectures using JavaScript, TypeScript, React, and React Native. I’m passionate about mentoring developers, driving best practices, and aligning technical decisions with business goals to ship value on time. I began my career in 2017 focusing on modern web technologies and have since deepened expertise in system design, agile delivery, and cross-team collaboration to deliver high-impact products.

Available to hire

I’m Saeed Kargosha, a Fullstack Team Leader with 8+ years of experience guiding cross-functional teams and delivering scalable web applications. I’ve led multi-country projects, built robust back-end services with PHP and Go, and shaped front-end architectures using JavaScript, TypeScript, React, and React Native. I’m passionate about mentoring developers, driving best practices, and aligning technical decisions with business goals to ship value on time. I began my career in 2017 focusing on modern web technologies and have since deepened expertise in system design, agile delivery, and cross-team collaboration to deliver high-impact products.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Persian

Fluent

Work Experience

Fullstack Team Leader at Innoscripta

January 1, 2023 - Present

Led a team of 7 developers (frontend & backend) in building a multi-platform web platform used across Germany and the Netherlands, introduced a server-driven UI approach, and streamlined workflows to accelerate feature delivery.

Senior Frontend Engineer at CodeTech

January 1, 2022 - December 31, 2023

Developed a peer-to-peer video and audio conferencing platform with meeting scheduling, screen sharing, and collaboration tools, enabling seamless communication and improved productivity.

Senior Frontend Engineer at Thinkeo

January 1, 2020 - December 31, 2022

Collaborated with cross-functional teams to develop and launch new product features, contributing to fundraising efforts and optimizing user engagement through data-driven insights.

Frontend Developer at AppTech

January 1, 2018 - December 31, 2019

Updated and refactored a legacy React app to improve onboarding and the overall user experience for a trainer discovery platform.

Frontend & React Native Developer at AreaTak

January 1, 2019 - December 31, 2020

Handled frontend and React Native development, aligning with product managers to optimize multi-country regulatory workflows and improve cross-platform performance.

Senior Frontend Engineer at Areatak

January 1, 2020 - December 31, 2022

Led a cross-functional team to successfully develop and launch a new product, securing €1M in funding. Optimized a publishing wizard with user journey mapping and Google Analytics, increasing user engagement by 60%. Launched a Microsoft Office plugin boosting customer satisfaction to over 60%. Designed a block-based decision trees system with JavaScript and React to enhance content intelligence and adaptability. Mentored developers and established best practices for clean code, testing, and agile delivery.

Frontend & React Native Engineer at Areatak

January 1, 2019 - December 31, 2020

Led development of a third-party MVP for the Central Bank of Iran, collaborating with shareholders and product managers to simplify KYC processes and token management for banks, universities, and other institutions. Refactored legacy live chat from PHP to a WebSocket-based Go solution, improving performance by 30%. Developed a web panel for banks and a mobile app for end users with React and React Native to enable seamless login to banks and other institutions.