Hey,I'm

Available for new opportunities

SARIF
MIA

Frontend Engineer &
Full Stack Developer based in
Düsseldorf, Germany.

Sarif Mia - Frontend Engineer & Full Stack Developer

Frontend

& Full Stack

Developer

MY WORK EXPERIENCE

Building digital experiences and solving complex problems across various industries.

SDUI

Senior Software Engineer | Feb 2023 – Present

  • Led cross-platform feature delivery and performance enhancements for SDUI’s core school communication app, used by thousands of educators and families across Europe.
  • SDUI is a digital platform that connects schools and families through streamlined communication tools.
  • Built and maintain BYCS Messenger – a secure, Matrix-based E2E chat app using React, Webpack.
  • Maintain a Node.js backend for support ticket automation and messaging services, integrating internal microservices.
  • Contribute to the native iOS app using Swift and Objective-C, improving stability and crash rate by 30%.
  • Established and maintain CI/CD pipelines using GitLab to automate deployments and testing across web and mobile.
  • Collaborate closely with designers and PMs to scope, plan, and iterate on features with high UX and accessibility standards.
  • Focused on long-term maintainability, performance, and clean architecture across all touchpoints.
CLARK

Senior Frontend Engineer | Jul 2022 – Feb 2023

  • Led frontend modernization and mentored engineers at Clark, improving application speed, reliability, and feature velocity across the insurance platform.
  • Clark is an insurance platform providing transparent, cheap and comprehensive insurance coverage. By combining technology and insurance expertise, Clark offers users simple, fair and customer-centric insurance advice.
  • Maintained and extended a legacy ember codebase while migrating portions to modern TypeScript and modular architecture in monorepo managed by nx.
  • Redesigned key flows using a centralized design system, increasing development speed and UI consistency.
  • Mentored two junior engineers and led sprint-wide code reviews, focusing on readability, reusability, and state management patterns.
  • Reduced page load time by 40% by identifying render bottlenecks and applying lazy loading techniques.
  • Integrated GitHub Actions for CI/CD pipelines and testing automation across feature branches and production.
  • Worked with product, UX, and QA to ship improvements that contributed to a measurable increase in conversion rate from leads to premium users.
Conrati

Senior Full Stack Engineer | Oct 2018 – Jul 2022

  • Owned the full stack development and long-term architecture of a consulting platform, leading backend and frontend efforts to scale with growing demand.
  • Conrati is a consulting marketplace that allows you to book paid video consultations with Advice Providers across international borders.
  • Re-architected backend services into a modular API structure using Node.js and Express, improving uptime and performance under load.
  • Integrated secure video conferencing (Vonage Tokbox), calendar sync (Google/Outlook), and automated workflows to reduce operational overhead.
  • Took ownership of the entire frontend codebase (React), introducing modern patterns, performance optimizations, and automated testing.
  • Containerized services with Docker to improve local development parity and streamline deployment environments.
  • Implemented CI/CD workflows using GitHub Actions to support automated testing, builds, and production deploys.
  • Led development of critical features and served as technical point of contact across product, design, and operations teams.
  • Improved system stability and scalability, contributing to a 3x increase in monthly active users.
Developer Student Clubs

Lead – Mobile & Web | 2017 – 2018

  • Founded and led the first DSC chapter at my university, building a peer-driven learning community of over 100 active student developers.
  • Developer Student Clubs is a Google Developers initiative to empower student developers through community-driven learning.
  • Organized workshops, hackathons, and speaker sessions on web and mobile technologies like Firebase, React, and Android.
  • Mentored junior developers on Git, project planning, and real-world app development practices.
  • Laid the groundwork for sustainable growth and leadership hand-off, ensuring continuity after my graduation.

MY SKILLS

A range of technical skills and competencies I've developed over my career.

Frontend

React
Angular
Vue
Ember
Redux
TypeScript
JavaScript
HTML5
CSS3
SASS

Backend

Node.js
Express
REST APIs
GraphQL
MongoDB
PostgreSQL
Firebase

Mobile

Ionic
React Native
iOS Development
Android Development
Swift (Mid)
Objective-C (Mid)

Dev Tools

Git
Webpack
Docker
Webflow
CI/CD
Jest
Cypress

Interests

AI
ML
SEO
DX
Cloud Computing
System Architecture

📝 MY ARTICLES

Sharing insights and experiences from my journey in software development.

Static site generation offers major performance improvements by serving pre-rendered HTML files, resulting in faster page loads and eliminating the need for real-time server processing

Read more →

What is Hydration in React

May 1, 20254 min read

Ever wondered how modern web apps load so fast yet feel so smooth?

Read more →

A deep dive into the rise of AI agents, their architecture, and how businesses can build and deploy them effectively.

Read more →

EDUCATION & AWARDS

My academic journey and achievements along the way.

Education

Chandigarh University

B.Tech – Computer Science (2015–2019)

Languages

  • Bengali (Native)
  • English (Professional)
  • Hindi (Professional)

Awards & Certifications

  • INAE Youth Conclave

    3rd Prize (Health App)

  • Data Processing Specialist

    Professional Certification

  • Industrial Training

    Java, HTML/CSS/JS

  • English Proficiency Certifications

    Advanced Level

Let's work together

Have a project in mind or interested in collaboration? Get in touch and let's create something amazing together.

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