Sadiq Anwer Khan

Available to hire

Hi, I’m Sadiq Anwer Khan, a software engineer based in Berlin with over six years of experience building high-performance web applications. js, focusing on scalable SPA architectures and robust API design.

About

Hi, I’m Sadiq Anwer Khan, a software engineer based in Berlin with over six years of experience building high-performance web applications. I specialize in front-end and full-stack development using React, TypeScript, and Node.js, focusing on scalable SPA architectures and robust API design.
I enjoy turning complex requirements into scalable, accessible software and love collaborating with product and design teams to ship polished experiences. I’m exploring opportunities in Germany and across the EU and am open to roles that blend frontend engineering with AI/LLM workflows.

  • 4 years' experience
  • Joined September 2025

Languages

  • EnglishFluent
  • GermanBeginner
  • UrduFluent

Industry experience

  • Software & Internet
  • Government
  • Manufacturing
  • Education
  • Professional Services

Work experience· 4 roles

Software Engineer · Contextxxt.ai Technologies GmbHNov 2024 – Present · 2 yrs 1 mo

Developed and optimized a SPA web application for Sesame (EU-hosted Secure LLM) using React, TypeScript, and Material UI, improving UX and reliability by 40%. Built scalable, reusable frontend components and visualized complex AI data sets leveraging Zod validation and Storybook for consistency. Integrated A/B experiments and agentic AI workflows using Node.js, GraphQL, and Langfuse. Collaborated via Git Merge Requests, code reviews, and pair programming to enhance maintainability and scalability of the web platform.

Software Engineer · Fraunhofer FOKUSOct 2024 – Sep 2025 · 1 yr

Supported frontend development for ACROSS, an EU-funded AI project in 10+ European countries using SPA architecture and React. Built reusable UI components ensuring WCAG 2.1 accessibility compliance and integrated Kafka for event-driven workflows. Developed dynamic APIs for real-time runtime functionality and supported complex user journey flows across distributed micro-frontend applications. Integrated visual dashboards, ensured responsive design, and optimized browser compatibility for high-traffic public sector web applications.

Werkstudent - Software Engineer · ASMLAug 2023 – Sep 2025 · 2 yrs 2 mos

Built a secure ISR web application with React, Next.js, and Tailwind, boosting performance from 57% to 92% through font caching and code splitting. Applied SSR/CSR optimization techniques, significantly improving critical Next.js metrics like TTI and LCP. Managed data visualization workflows analyzing 500,000+ lithography performance points for Deep UV (DUV) and Extreme UV (EUV) teams, enhancing internal analysis. Collaborated closely with backend teams via RESTful API integration, improving data synchronization accuracy by 15%.

Frontend Engineer · iVolve TechnologiesAug 2022 – Sep 2025 · 3 yrs 2 mos

Education

Masters in Data Analytics & Information Systems Management · Arden University2022 – 2024
Bachelors in Computer Engineering · Sir Syed University of Engineering and Technology2014 – 2018

Certifications and awards

Udemy: JavaScript Course. Zero To Expert!2024 – 2025

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