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Liu Zuo Lin

Associate Director (Software Engineer) @ LGT

Ex-Meta | Ex-Morgan Stanley | Ex-Citi | Technical Writer @ Medium

Master's of IT in Business (MITB) @ SMU

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About Me

Senior Software Engineer

@ LGT, building financial data automation systems

Technical Writer

@ Medium, 100k+ followers, 900+ articles, 2mil+ reads

Backend/Data Specialist

Python/SQL/Automation expert

Backend engineer with 4 years of experience, specializing in Python/SQL.

In my spare time, I build websites, automation workflows and analytics dashboards for myself/my family.

When I'm not building, I write about Python and software engineering on Medium (zlliu.medium.com) and Substack (zlliu.substack.com)

Technical Skills

Programming Languages

PythonSQLTypeScriptJavaScriptJava

Backend & Systems

FastAPIFlaskSpring BootREST APIsAsync Systems

Frontend & UI

ReactVueAngularTailwind CSSBootstrap

Databases & Data Engineering

PostgreSQLMongoDBRedisSQLModelPandasPolarsAirflowPrefect

Machine Learning & Analytics

Scikit-learnTensorFlowStreamlit

Cloud, DevOps & Tooling

GitLinuxDockerCI/CDJenkinsAWS (EC2, S3, Boto3)Google CloudOpenShiftNetlify

Experience & Education

2026 Mar - Present

Associate Director (Software Engineer) @ Liechtenstein Global Trust (LGT)

Building Scalable Automation Systems For Financial Data

PythonReact

2024 Sep - 2026 Feb

Software Engineer @ Meta

Team: Network Delivery Automation

PythonSQLNetgram

2024 Aug - 2026 May

Master's of IT in Business (MITB) @ SMU

Major: Financial Technology & Analytics
GPA: 3.92/4.0

2021 Aug - Present

Medium Technical Blog (Python)

100k+ Followers, 900+ Published Articles, 2mil+ Reads
https://zlliu.medium.com

2022 Sep - 2024 Aug

Associate (Software Engineer) @ Morgan Stanley

Team: Vulnerability Management Platform

Python FastAPIPython FlaskAngularVuePostgreSQLIBM DB2

2021 Jul - 2022 Sep

Analyst (Software Engineer) @ Citibank

Team: Equities Client Configuration Control Platform

SpringBootPython FastAPIReactCouchbaseDB

2021 April - 2024 Sep

Freelance Python Tutor

1600+ Hours of Tutoring Across 100+ Unique Students

2017 Aug - 2021 Apr

Bsc. Information Systems @ SMU

Major: Artificial Intelligence
GPA: 3.51/4.0

My Portfolio

2021 - Present

Medium Technical Blog (Python)

Wrote 900+ Python/Engineering tutorials on medium.com, amassing 100k+ followers and 2mil+ reads (https://zliu.medium.com)

PythonSQLSoftware Engineering

2022 - Present

Ebooks

Authored various Ebooks on Python programming eg. 256 Python Things I Wish I Knew Earlier (https://payhip.com/b/xpRco)

Python

2026 - Present

Inn @ Temple Street Landing Page

Built hotel landing page for Inn @ Temple Street (https://inn.qloft.net)

ReactNetlify

2025 - present

SG Condo Analytics

Built 1) data pipelines to collect + augment Singapore condo sales/rental data 2) website to expose augmented data to public query (https://sgcondo.netlify.app)

PythonAirflowReactDuckDBFastAPISelenium

2024 - Present

Room Rental Management Site

Built website for client to manage/display rooms available for rental (url hidden by request). Developed automation for 1) clients to manage info/photos for 100+ rooms using Google Sheets 2) info/photos to be reflected in real time on website

PythonFastAPIGoogle APIVue 3AWS S3MongoDBNetlify

2024 - present

PyPI Packages

Wrote multiple PyPI packages with 20k+ downloads eg. unprint, print_btree, visualize_heapq, pprint_tree, show_recursion_tree, code_animate, cli_select etc.

Python

2024

Technical Certifications (AWS)

AWS Certified Data Engineer Associate (AWS-DEA) | AWS Certified Solutions Architect Associate (AWS-SAA)

AWS

2023

Technical Certifications (Python Institute)

Certified Professional in Python Programming 1 (PCPP-32-101) | Certified Associate in Python Programming (PCAP-31-03)

Python

eBooks I've Written

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256 Python Things I Wish I Knew Earlier

Published 2025

Python Zero To One

FREE Published 2022

40 Python Practice Questions For Beginners

FREE Published 2022

20 Recursion Practice Questions

FREE Published 2023

Python One To Two (Part 1)

Published 2023

30 Python Practice Questions [Advanced]

Published 2022

30 Python Practice Questions [Intermediate]

Published 2022

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Beginner Friendly

Perfect for starting your journey

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Practical Examples

Real-world code examples

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Progressive Learning

From zero to advanced