Pascal Kesseli
Principal Software Engineer, Member Of Technical Staff at Microsoft AI
Zug, Zug, Switzerland
Summary
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Senior🎓
Top SchoolPascal Kesseli is a Principal Software Engineer and technical lead with a decade of experience spanning startups, academia, and major tech firms, currently working on Microsoft AI training infrastructure while co-leading a cloud consultancy. He holds a PhD in Computer Science from Oxford and blends deep research expertise in programming languages, formal decision procedures, and optimization with hands-on systems and cloud architecture. Pascal has driven production-grade program analysis and synthesis work — notably contributing CEGIS control handlers to the widely used CBMC model checker and improving static-analysis test coverage in Facebook's Infer. He has led teams of up to ten, balanced individual contributor impact with management, and co-founded a business delivering embedded and cloud solutions. Known for translating formal methods into practical tooling, he prefers tackling cross-disciplinary algorithmic challenges that bridge theory and operational systems. Based in Zug, Switzerland, he combines academic rigor with startup pragmatism to ship robust, scalable software.
10 years of coding experience
10 years of employment as a software developer
Doctor of Philosophy (PhD) Computer Science, Doctor of Philosophy (PhD) Computer Science at University of OxfordMaster of Science (MS) Information Technology, Master of Science (MS) Information Technology at Hochschule für Technik Rapperswil
English, German, French, Chinese
Stackoverflow
1,650reputation
190kreached
21answers
38questions
Github Skills (26)
static-code-analysis10
c-language10
testing10
verification10
software-quality10
model-checking10
java10
javas10
verify10
cprogramming-language10
clangd9
clang9
windows8
build-automation7
deadlock6
Programming languages (11)
Github contributions (5)
diffblue/cbmc
Aug 2016 - Jul 2019
C Bounded Model Checker
Role in this project:
Backend Developer & Software Architect
Backend Developer & Software ArchitectContributions:70 commits, 36 PRs, 85 pushes in 2 years 11 months
Contributions summary:Pascal contributed to the C Bounded Model Checker project by implementing CEGIS (Counterexample-Guided Inductive Synthesis) handlers for control. This involved adding new compile statements for clang on Windows, integrating solution insertion for CEGIS control, and adding handlers for control functionality. These changes suggest work related to enhancing the model checker's capabilities and supporting new features through the CEGIS framework, likely focusing on refining the analysis of program behavior.
model-checkermodel-checkingcppcheckertla
facebook/infer
Jan 2023 - Jun 2023
A static analyzer for Java, C, C++, and Objective-C
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:4 reviews, 5 PRs, 7 comments in 4 months
Contributions summary:Pascal's contributions primarily revolve around adding and modifying tests within the `facebook/infer` repository. They added tests to address specific false negatives, covering areas such as null taint analysis and lambda expressions, highlighting areas where the static analyzer might need improvements. Their work includes adding tests related to stream processing and system array operations, testing the correct propagation of tainted data. The user also contributed to Sarif report enhancements, demonstrating an understanding of static analysis output formats.
static-analyzerobjective-ccppstatic-code-analysiscode-quality
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