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Hi, I’m Harriet Ly. I’m a backend software engineer specializing in Java and Python, focusing on data-intensive applications and scalable systems. I enjoy solving complex problems and shipping features in fast-paced environments while keeping performance and reliability at the forefront. I’m a lifelong learner with broader experience across finance tech, big data analytics, and e-commerce operations. I thrive in cross-functional teams and love turning ideas into robust digital services that deliver tangible business impact.…Hi, I’m Harriet Ly. I’m a backend software engineer specializing in Java and Python, focusing on data-intensive applications and scalable systems. I enjoy solving complex problems and shipping features in fast-paced environments while keeping performance and reliability at the forefront. I’m a lifelong learner with broader experience across finance tech, big data analytics, and e-commerce operations. I thrive in cross-functional teams and love turning ideas into robust digital services that deliver tangible business impact.

Harriet Ly

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

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Hi, I’m Harriet Ly. I’m a backend software engineer specializing in Java and Python, focusing on data-intensive applications and scalable systems. I enjoy solving complex problems and shipping features in fast-paced environments while keeping performance and reliability at the forefront. I’m a lifelong learner with broader experience across finance tech, big data analytics, and e-commerce operations. I thrive in cross-functional teams and love turning ideas into robust digital services that deliver tangible business impact.…Hi, I’m Harriet Ly. I’m a backend software engineer specializing in Java and Python, focusing on data-intensive applications and scalable systems. I enjoy solving complex problems and shipping features in fast-paced environments while keeping performance and reliability at the forefront. I’m a lifelong learner with broader experience across finance tech, big data analytics, and e-commerce operations. I thrive in cross-functional teams and love turning ideas into robust digital services that deliver tangible business impact.

Available to hire

Hi, I’m Harriet Ly. I’m a backend software engineer specializing in Java and Python, focusing on data-intensive applications and scalable systems. I enjoy solving complex problems and shipping features in fast-paced environments while keeping performance and reliability at the forefront.

I’m a lifelong learner with broader experience across finance tech, big data analytics, and e-commerce operations. I thrive in cross-functional teams and love turning ideas into robust digital services that deliver tangible business impact.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Vietnamese

Fluent

Work Experience

Back-end Developer at Goldman Sachs

April 1, 2025 - May 1, 2025

Analyzed root cause of a bug and enhanced logic of margin call calculation in Java code to eliminate manual and insecure daily workaround by the support team.

Back-end Application Developer at DBS Bank

April 1, 2022 - April 1, 2025

Developed the post-trade and pre-trade processing logic using SQL and Java to check thousands of daily trades against 10s of credit rules on bonds/equities and counterparties. Designed data models and APIs for a pre-trade workflow where traders can raise requests for trades, backend runs trades through credit-check, and the trades can be auto-approved or raised to a credit officer. Developed microservices to generate end-of-day reports and send email notifications on credit excess customized to each user based on their role. Participated in all stages of the software development lifecycle from design, coding, automated testing, requirements gathering, and production support.

Back-end Application Developer at DBS Bank

April 1, 2022 - December 31, 2023

Apr 2022 – Dec 2023: Designed data models from scratch, built business logic in database procedures/views/tables for data processing for risk management Tableau Dashboards. Wrote Bash scripts to automate the daily ingestion and processing jobs (TWS) with logging and monitoring.

Supply Demand Planner at Apple

October 1, 2020 - November 1, 2021

Analyzed weekly demand and planned supply in the scale of 00,000s units from contract manufacturers in China to 7 APAC distribution centres, to maintain >95% service level.

Senior Associate at Shopee

September 1, 2018 - October 1, 2020

Big Data Analytics, Logistics and Business Operations. Created scripts using advanced SQL to extract and transform millions of data entries. Leveraged Python to create trend graphs/heatmaps and to auto-send reports on revenue and operations health across markets in South-east Asia.