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Hi, I’m Lu Han, a highly motivated software engineer with hands-on experience at AWS and a First-Class Honours MSc in Software Design and Development. I thrive on building scalable, cloud-native solutions and delivering reliable, well-tested software. I’ve worked across the full stack using Kotlin, TypeScript, AWS CDK, Spring Boot, and Python FastAPI, deploying features across global regions. I’m seeking backend or full-stack roles at forward-thinking companies where I can contribute to high-quality, innovative systems.…Hi, I’m Lu Han, a highly motivated software engineer with hands-on experience at AWS and a First-Class Honours MSc in Software Design and Development. I thrive on building scalable, cloud-native solutions and delivering reliable, well-tested software. I’ve worked across the full stack using Kotlin, TypeScript, AWS CDK, Spring Boot, and Python FastAPI, deploying features across global regions. I’m seeking backend or full-stack roles at forward-thinking companies where I can contribute to high-quality, innovative systems.

Lu Han

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

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Hi, I’m Lu Han, a highly motivated software engineer with hands-on experience at AWS and a First-Class Honours MSc in Software Design and Development. I thrive on building scalable, cloud-native solutions and delivering reliable, well-tested software. I’ve worked across the full stack using Kotlin, TypeScript, AWS CDK, Spring Boot, and Python FastAPI, deploying features across global regions. I’m seeking backend or full-stack roles at forward-thinking companies where I can contribute to high-quality, innovative systems.…Hi, I’m Lu Han, a highly motivated software engineer with hands-on experience at AWS and a First-Class Honours MSc in Software Design and Development. I thrive on building scalable, cloud-native solutions and delivering reliable, well-tested software. I’ve worked across the full stack using Kotlin, TypeScript, AWS CDK, Spring Boot, and Python FastAPI, deploying features across global regions. I’m seeking backend or full-stack roles at forward-thinking companies where I can contribute to high-quality, innovative systems.

Available to hire

Hi, I’m Lu Han, a highly motivated software engineer with hands-on experience at AWS and a First-Class Honours MSc in Software Design and Development. I thrive on building scalable, cloud-native solutions and delivering reliable, well-tested software.

I’ve worked across the full stack using Kotlin, TypeScript, AWS CDK, Spring Boot, and Python FastAPI, deploying features across global regions. I’m seeking backend or full-stack roles at forward-thinking companies where I can contribute to high-quality, innovative systems.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Software Dev Engineer at Amazon Web Services (AWS)

May 31, 2025 - July 29, 2025

Designed and implemented a cross-plane feature using Kotlin and TypeScript to propagate experiment metadata via Step Functions and AWS Lambda, improving clarity of experiment configuration. Wrote comprehensive unit and integration tests to validate Lambda logic, service interactions, and cross-service data flows. Authored and executed Change Management documents to ensure safe, staged deployments across AWS regions and customers. Built scalable infrastructure with AWS CDK nested stacks to bypass CloudFormation limits, enabling efficient creation of 100+ pre-configured load testing AWS accounts. Participated in code reviews, on-call rotations, and used CloudWatch to monitor and resolve production issues.

Software Developer at Amazon Web Services (AWS)

May 1, 2025 - October 6, 2025

Worked in Agile/Scrum environment, actively collaborating with cross-functional teams through sprint planning, daily stand-ups, and retrospectives. Designed and implemented cross-cutting features using Kotlin and TypeScript to propagate experiment metadata via AWS Step Functions and Lambda, improving clarity of experiment configuration. Implemented TDD practices, covering high test coverage for Lambda pipelines (Kotlin/TypeScript), ensuring robust service interactions. Authored and executed Change Management documents to ensure safe, staged deployments across AWS regions and customers. Built scalable infrastructure with AWS CDK nested stacks to bypass the 500-resource CloudFormation limits, enabling efficient creation of 100+ pre-configured AWS accounts. Participated in code reviews, used CloudWatch to monitor and resolve issues in large-scale production systems, ensuring service reliability and availability.

Full Stack Web Application Developer

October 1, 2023 - October 6, 2025

Developed a full-stack library web application using Spring Boot and Spring MVC to implement RESTful APIs for core functionalities such as book management and user checkout.

Data Analysis and Prediction Project Lead

April 1, 2024 - October 6, 2025

Chicago Crime Data Analysis and Prediction: Cleaned and processed crime data using Pandas and NumPy, addressing missing values and outliers. Visualized trends with Matplotlib and Seaborn for exploratory analysis. Applied resampling techniques (SMOTE, oversampling, undersampling) to balance the dataset. Trained and fine-tuned Scikit-learn classifiers, improving accuracy from 70% to 90%. Built an interactive dashboard with Dash and Plotly for visualizing predictions and patterns.

Software Development Engineer at Amazon Web Services (AWS)

May 1, 2025 - October 23, 2025

Designed and implemented backend services and features across AWS regions; collaborated with cross-functional teams during sprint planning; implemented tests and contributed to reliable service delivery; built and shipped features across distributed services.

Teaching Assistant at University of Galway

May 1, 2024 - October 23, 2025

Delivered comprehensive Java programming and Object-Oriented Software Design & Development instruction to a diverse cohort of over 100 students; guided students through the complete web development workflow (handling HTTP requests, managing sessions, generating dynamic content) and provided mentorship during labs.

Data Analyst / Project at Chicago Crime Data Analysis and Prediction

April 1, 2024 - October 23, 2025

Cleaned and processed crime data using Pandas and NumPy, addressing missing values and outliers to ensure data quality. Visualized trends with Matplotlib and Seaborn for exploratory analysis. Applied sampling techniques to balance the dataset. Trained and fine-tuned Scikit-Learn classifiers, improving accuracy from 70% to 90%.

Full Stack Developer (Library Web App) at Personal / Self-Driven Project

October 1, 2023 - October 23, 2025

Designed and implemented a full-stack library web application: RESTful APIs with Spring Boot and Spring MVC; API documentation with Swagger and Postman; relational DB schemas with Spring Data JPA and Hibernate; integrated Okta authentication (OAuth 2.0) and Stripe payments; built a React frontend to consume the APIs.