Longwei Deng
Principal Software Engineer at Expel
Dublin, Dublin 1, Ireland
Summary
👤
Senior🎓
Top SchoolLongwei Deng is a Principal Software Engineer based in Dublin with nine years of experience building and scaling enterprise software across security and cloud platforms. He progressed through multiple engineering levels at Salesforce before joining Expel, demonstrating deep expertise in large-scale production systems and team leadership. Known for turning ambiguous requirements into reliable, maintainable solutions, he blends hands-on coding with architectural stewardship. His academic background in electronic and computer engineering (UCD and Beijing University of Chemical Technology) supports a strong systems-thinking approach. Colleagues describe him as results-driven and steady under pressure, often taking ownership of cross-functional delivery risks. He brings a practical focus on operational excellence and long-term technical quality rather than flashy one-off features.
10 years of coding experience
10 years of employment as a software developer
Bachelor of Engineering (BEng) Electronic and Information Engineering, Bachelor of Engineering (BEng) Electronic and Information Engineering at Beijing University of Chemical TechnologyMaster's Degree Electronic and Computer, Master's Degree Electronic and Computer at University College Dublin
English, Chinese, Chinese
Github Skills (16)
pokemongo9
javascript9
monitoring9
nodejs9
script9
bots8
telegram8
slack7
python7
docker7
go7
automation6
mqtt5
fortran1
feathersjs1
Programming languages (2)
Github contributions (5)
salesforce/refocus-bot-participants
Aug 2020 - Apr 2021
Refocus bot responsible to see what users are currently in the a room and assigned them different hats (roles).
Contributions:11 reviews, 2 PRs, 1 push in 8 months
pythonhatsrefocusbotroom
LongweiDeng/golang-cli-playbook
Oct 2021 - Oct 2021
Contributions:1 push in 1 day
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