Zikun Ma

London, England, United Kingdom

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Summary

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Rockstar

🎓

Top School

Zikun Ma is an MSc Accounting and Finance student at Queen Mary University of London with six years of practical experience across accounting, sales, and inventory roles, and a strong academic record from Ningbo University. He has hands-on internship experience drawing up overhead accounts and managing inventory processes, and has earned accounting credentials recognized by the Chinese Ministry of Finance and a securities & futures certificate. Based in London, Zikun pairs solid finance fundamentals with real-world customer-facing and administrative experience, plus part-time roles supporting recruitment processes. Unusually for a finance-focused profile, he contributes to backend development on the Apache IoTDB open-source project, improving APIs and memory management—demonstrating technical curiosity and an ability to bridge finance and engineering contexts. Zikun is seeking internships to convert his theoretical knowledge into practical impact and bring a hardworking, team-oriented mindset to finance teams.

6 years of coding experience

Bachelor’s Degree in Management, Accounting, more than 80%, Bachelor’s Degree in Management, Accounting, more than 80% at Ningbo University-Ningbo, Zhejiang, China

Master of Science (MSc), ACCOUNTING AND FINANCE, 2:1, Master of Science (MSc), ACCOUNTING AND FINANCE, 2:1 at Queen Mary, U. of London

Chinese, English

Github Skills (11)

javas10

databases10

time-series10

api10

backend10

apidoc10

data-management10

java10

database10

compression9

memory-management9

Programming languages (3)

JavaC++JavaScript

Github contributions (5)

apache/iotdb

Oct 2022 - Jan 2023

Apache IoTDB

Role in this project:

Back-end Developer

Contributions:73 reviews, 18 commits, 133 PRs in 2 months

Contributions summary:Zikun primarily contributed to the backend of the Apache IoTDB project, focusing on the implementation and modification of API interfaces. Their work included unifying APIs in session and sessionPool, adding support for table model, and adding compression level config for connector ZSTD compressor. They also made improvements to the memory management, including adding timely consistency checks for memory control, and removing unnecessary flushes to avoid generating bad TsFiles.

tdenginenosqlapachebig-datadatabase

DanielWang2035/iotdb

Oct 2022 - Apr 2025

Apache IoTDB

Contributions:1 PR, 393 pushes, 198 branches in 2 years 5 months

apachebig-dataiotdbjavaiot

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