Andre Sam - Program Manager at Hogarth

Andre Sam

Program Manager at Hogarth

London, England, United Kingdom

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Summary

🤩

Rockstar

🎓

Top School

Andre Sam is a program manager in London with 10 years of experience blending product delivery, operations and technical contributions across digital agencies and engineering projects. At Hogarth he progressed from junior project roles to Program Manager, driving innovation operations and cross-functional delivery for complex digital programs. Unusually for a PM, he’s also an active low-level systems contributor—his GitHub work includes performance and security improvements to Google’s tcmalloc and architecture-focused patches to the GCC compiler for AArch64. That hands-on experience gives him a pragmatic edge when coordinating engineers and translating deep technical trade-offs to stakeholders. He holds a business degree from Aston University and combines commercial client-facing experience with a rare fluency in systems-level engineering. Colleagues would describe him as a delivery-focused leader who bridges strategy, technical detail and customer outcomes.

10 years of coding experience

4 years of employment as a software developer

High School, A Level, Business, Graphics, English Language, High School, A Level, Business, Graphics, English Language at Banbury Sixth Form

Bachelor’s Degree, BUSINESS, MANAGEMENT, MARKETING, AND RELATED SUPPORT SERVICES, 2:1, Bachelor’s Degree, BUSINESS, MANAGEMENT, MARKETING, AND RELATED SUPPORT SERVICES, 2:1 at Aston University

English, twi

Github Skills (15)

compiler-optimization10

arm10

assembly10

c-language10

code-generation10

cprogramming-language10

inline-assembly10

performance-optimization10

assemble10

assembler10

system-programming9

memory-management9

c178

multithreading8

c118

Programming languages (5)

C++CLLVMHTMLPython

Github contributions (5)

google/tcmalloc

Oct 2020 - Sep 2022

Role in this project:

Back-end Developer & Systems Programmer

Contributions:25 reviews, 5 commits, 5 PRs in 1 year 11 months

Contributions summary:Andre's contributions center on optimizing the TCMalloc library for AArch64 architecture. They implemented support for RSEQ (restartable sequences), significantly enhancing the library's performance on AArch64. Furthermore, the user refactored existing code, migrating implementations to inline assembly for optimized performance. The user also added support for BTI (Branch Target Identification) for improved security.

gcc-mirror/gcc

Apr 2020 - Jan 2023

Role in this project:

Back-end Developer

Contributions:6 commits in 2 years 9 months

Contributions summary:The user, Andre Vieira, contributed to the GCC compiler repository with various code changes focused on improving the AArch64 architecture. These changes include fixing vector multiplication costs, addressing addressing modes for MVE's loads and stores, implementing ACLE data intrinsics, and enhancing features like the use of LDAPR instructions for atomic loads. The contributions demonstrate a strong understanding of low-level architecture and compiler optimization techniques.

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