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I’m a backend-focused software engineer with over 4 years of experience working on real-world systems using Node.js, PostgreSQL, MongoDB, and AWS. I’ve contributed to large production platforms and currently work with a German company on long-term system migrations and internal tools. I like building reliable backend services, solving complex problems, and keeping things simple and maintainable.…I’m a backend-focused software engineer with over 4 years of experience working on real-world systems using Node.js, PostgreSQL, MongoDB, and AWS. I’ve contributed to large production platforms and currently work with a German company on long-term system migrations and internal tools. I like building reliable backend services, solving complex problems, and keeping things simple and maintainable.

Muhammad Hannan Raza

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

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I’m a backend-focused software engineer with over 4 years of experience working on real-world systems using Node.js, PostgreSQL, MongoDB, and AWS. I’ve contributed to large production platforms and currently work with a German company on long-term system migrations and internal tools. I like building reliable backend services, solving complex problems, and keeping things simple and maintainable.…I’m a backend-focused software engineer with over 4 years of experience working on real-world systems using Node.js, PostgreSQL, MongoDB, and AWS. I’ve contributed to large production platforms and currently work with a German company on long-term system migrations and internal tools. I like building reliable backend services, solving complex problems, and keeping things simple and maintainable.

Available to hire

I’m a backend-focused software engineer with over 4 years of experience working on real-world systems using Node.js, PostgreSQL, MongoDB, and AWS. I’ve contributed to large production platforms and currently work with a German company on long-term system migrations and internal tools. I like building reliable backend services, solving complex problems, and keeping things simple and maintainable.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Backend Engineer at Calandi GmbH

February 1, 2022 - February 1, 2024

Backend-focused engineer working on legacy-to-modern system migrations using Node.js, Express, PostgreSQL, and MongoDB; design and implement REST APIs; authentication flows; data migrations and validation; frontend integration with React; optimized queries for migration performance.

Associate Software Engineer (Full Stack) at AppRocket

May 1, 2024 - Present

Worked on multiple MERN stack applications, primarily handling backend development using Node.js and Express; designed REST APIs and authentication flows; optimized MongoDB schemas for production use; built production-grade modules including refund workflows; created automated email reports and Profit & Loss reporting logic; implemented courier assignment logic; AWS Lambda-based backend with SQS for asynchronous processing and analytics; integrated Twilio SMS services; real-time webhook scheduling and frontend integration via React.