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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.…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.

Sadiq Anwer Khan

Full Stack Developer, Web Developer, Programmer, +3

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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.…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.

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. 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.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

German

Beginner

Urdu

Fluent

Work Experience

Software Engineer at Contextxxt.ai Technologies GmbH

November 1, 2024 - Present

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 at Fraunhofer FOKUS

October 31, 2024 - September 4, 2025

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 at ASML

August 31, 2023 - September 4, 2025

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 at iVolve Technologies

August 31, 2022 - September 4, 2025

Led a team in migrating a Multi-Cloud Management Portal across AWS, Azure, and GCP using React and Next.js, cutting load times by 60%. Delivered and maintained production-grade APIs with Node.js, improving backend performance by 40%. Developed scalable SPA frontends with dynamic routing and integrated OAuth2 authentication, improving security and compliance rates by 90%. Performed unit testing across multiple components, leading to a 20% reduction in bugs and 30% improvement in code stability.