Abdul W. - Software Engineer

Passau, Germany

Experience

Dec 2024 - Nov 2025

1 year

Designed and developed end-to-end web and mobile products as a full-stack engineer, working across Python/FastAPI backends, databases, and React / React Native frontends.
Built LLM- and agentic-AI systems using LangChain, LangGraph, CrewAI, Langfuse, and vector databases, focusing on reliability, observability, and clean abstractions.
Developed a text-to-SQL assistant for the marketing team that lets non-technical users query a large retail-style dataset in natural language, returning clear analytics and campaign insights.
Helped reduce ad-hoc SQL/reporting requests to engineering by 60% and cut time-to-insight for common marketing queries from hours to minutes.
Created a full-stack mobile app where Apple Health data is processed and fed into an LLM to generate personalised, VO2-max–based health coaching and insights, owning architecture from frontend to backend and auth.

Jul 2022 - Sep 2022

3 months

Karachi, Pakistan

Hybrid

Wrote clean, maintainable code for hybrid mobile applications using React Native with a single shared codebase.
Handled frontend, simple backend logic, and REST API integration to deliver end-to-end features.
Worked within an engineering team, gaining experience with version control, code reviews, and production-focused development practices.