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I am Khassal Mohamed, a Flutter Engineer with a track record of architecting scalable, high-performance mobile apps across media streaming, e-commerce, transportation, and hospitality. I lead cross-functional development, build resilient architectures, and align mobile engineering with business goals. I focus on performance, data insights, and clean, scalable codebases, combining hands-on technical expertise with product-oriented thinking to deliver impactful solutions at scale. I enjoy collaborating with product, design, and data teams to optimize user experiences, define robust architectures, and drive continuous improvement through metrics, testing, and automation.…I am Khassal Mohamed, a Flutter Engineer with a track record of architecting scalable, high-performance mobile apps across media streaming, e-commerce, transportation, and hospitality. I lead cross-functional development, build resilient architectures, and align mobile engineering with business goals. I focus on performance, data insights, and clean, scalable codebases, combining hands-on technical expertise with product-oriented thinking to deliver impactful solutions at scale. I enjoy collaborating with product, design, and data teams to optimize user experiences, define robust architectures, and drive continuous improvement through metrics, testing, and automation.

Khassal Mohamed

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

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I am Khassal Mohamed, a Flutter Engineer with a track record of architecting scalable, high-performance mobile apps across media streaming, e-commerce, transportation, and hospitality. I lead cross-functional development, build resilient architectures, and align mobile engineering with business goals. I focus on performance, data insights, and clean, scalable codebases, combining hands-on technical expertise with product-oriented thinking to deliver impactful solutions at scale. I enjoy collaborating with product, design, and data teams to optimize user experiences, define robust architectures, and drive continuous improvement through metrics, testing, and automation.…I am Khassal Mohamed, a Flutter Engineer with a track record of architecting scalable, high-performance mobile apps across media streaming, e-commerce, transportation, and hospitality. I lead cross-functional development, build resilient architectures, and align mobile engineering with business goals. I focus on performance, data insights, and clean, scalable codebases, combining hands-on technical expertise with product-oriented thinking to deliver impactful solutions at scale. I enjoy collaborating with product, design, and data teams to optimize user experiences, define robust architectures, and drive continuous improvement through metrics, testing, and automation.

Available to hire

I am Khassal Mohamed, a Flutter Engineer with a track record of architecting scalable, high-performance mobile apps across media streaming, e-commerce, transportation, and hospitality. I lead cross-functional development, build resilient architectures, and align mobile engineering with business goals. I focus on performance, data insights, and clean, scalable codebases, combining hands-on technical expertise with product-oriented thinking to deliver impactful solutions at scale.

I enjoy collaborating with product, design, and data teams to optimize user experiences, define robust architectures, and drive continuous improvement through metrics, testing, and automation.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Work Experience

Flutter Developer

December 20, 2020 - October 13, 2025

Flutter development role delivering mobile features and code quality work. Focused on building responsive and reliable Flutter-based solutions within a short project scope.

Flutter Engineer & System Designer at Remote OK (Freelance) / Blue Estate Travel Agency / Braintrust

December 1, 2023 - October 13, 2025

Led cross-functional Flutter development and system design for client projects, delivering high-performance mobile apps, implementing robust CI/CD, and coordinating with distributed teams. Built backend API integrations, ML/AI features, chatbots, and voice-commerce integrations; conducted advanced code audits and security tests to ensure reliability.

Senior Software Engineer / Lead Mobile Software Engineer at SNRT (National Broadcaster)

December 25, 2023 - Present

Led mobile app development initiatives for the national broadcaster, focusing on Flutter-based solutions, Dart, CI/CD with GitLab, and performance optimizations for streaming; contributed to backend/API integration and cross-platform delivery.

Senior Software Engineer / Lead Mobile Software Engineer at SNRT (National Broadcaster)

December 25, 2023 - Present

Led mobile architecture for the Forja podcast platform used across Android and iOS. Optimized streaming performance and UX across low-end and high-end devices using Flutter custom rendering techniques and cache handling. Designed and deployed custom ETL pipelines and a data warehouse powering real-time metrics dashboards, improving editorial decision-making. Acted as the technical liaison between mobile and data teams, ensuring infrastructure, metrics, and user feedback loops aligned with product growth goals.

Flutter Engineer & System Designer (Freelance) at Remote OK / Blue Estate Travel Agency / Braintrust

January 1, 2023 - October 13, 2025

Freelance Flutter Engineer & System Designer; Flutter, Django, Node.js, Firebase; Built backend API layer from scratch in PHP and implemented the entire Flutter client using reactive state management. Reduced crash rate to under 1% across releases with proactive device testing and CI-based delivery.

Flutter Developer / Software Engineer at Advalo

December 20, 2020 - October 13, 2025

Flutter Developer; Flutter, Open StreetMap, PHP, Firebase; Built backend API layer from scratch in PHP and implemented the entire Flutter client using reactive state management. Reduced crash rate to under 1% across releases with proactive device testing and CI-based delivery.