Marek Wesołowski

Embedded Systems Engineer

https://talent.gravityer.com/marek-wesolowski

Low-level software engineer with strong expertise in Assembly, C, and C++, specializing in kernel-mode development, and system-level programming.

WESMAR Marek Wesołowski

Key Strengths

Deep expertise in low-level systems programming, particularly Windows kernel and native development.
Extensive experience with C++ and Assembly, crucial for Embedded Systems roles.
Demonstrated ability to reverse engineer, bypass security mechanisms (DSE, HVCI), and perform system-level modifications.
Strong understanding of operating system internals, memory management, and privilege escalation.
Practical experience in developing high-performance, dependency-free utilities.
Projects align directly with the complexities and requirements of an Embedded Systems Engineer, especially in areas requiring direct hardware/OS interaction.

Cultural & Operational Fit

Cultural Fit Analysis

The candidate's projects are predominantly personal and highly specialized in Windows kernel and security research. While demonstrating exceptional technical depth, the lack of diverse project types (e.g., open-source contributions, team projects, different domains) makes it difficult to fully assess cultural fit in a broader team or product-focused environment. The current role as 'Embedded Systems Engineer' aligns well with the target role, suggesting a good fit for roles requiring deep technical focus.

Soft Skills & Operational Fit

The candidate's project descriptions indicate a highly independent and self-driven individual with a strong problem-solving orientation. The nature of the projects suggests a meticulous approach to complex technical challenges. However, there is no direct data to assess collaboration, communication in a team setting, or stress handling.

AI is analyzing your overall score…

Identifying your key strengths…

Evaluating your skill match against the job requirements…

Assessing your cultural and operational fit

Projects

WSAPatch

May 18, 2026 – Present

Fix for Windows Subsystem for Android crashing within seconds of launch on Windows 11 26H1 and 25H2. Patches WsaClient.exe to bypass a broken AppUriHandler API call. Works with WSABuilds by MustardChef. Assembly x64 - pure WinAPI, no dependencies.

View Project

BootBypass

April 9, 2026 – Present

Advanced native-mode utility for bypassing DSE and HVCI. Implements smart SeCiCallbacks patching and independent management of Memory Integrity settings. Operating as a subsystem:native app, it ensures early-phase control and environment preparation for security research and driver development.

View Project

KvcForensic

February 24, 2026 – Present

Windows/Linux LSA credential extractor for lsass.dmp minidumps. Targets Windows 11 24H2/25H2/26H1 and Windows Server 2025. Pure Win32, no DbgHelp, no dependencies. Extracts MSV, WDigest, Kerberos, CredMan, DPAPI. AES-CFB128 and 3DES-CBC decryption via BCrypt

View Project

Chess

December 28, 2025 – Present

Lightweight chess engine written in modern C++20 with pure WinAPI. No dependencies, runs even in Windows Recovery Environment.

View Project

FileRecoveryTool

December 17, 2025 – December 23, 2025

Professional file recovery tool for Windows. Recovers deleted files from NTFS/FAT32/exFAT via MFT scanning, USN Journal analysis & file carving. Pure Win32 API + Modern C++. Zero dependencies. Ultra-lightweight native binary. Multi-threaded architecture with responsive GUI. Direct disk access for maximum performance.

View Project

WinDefCtl

December 8, 2025 – Present

Command-line utility to completely halt, disable, and neutralize Windows Defender and Tamper Protection. Bypasses forced UAC and GUI requirements in Windows 11 (supports 26H1). Features invisible execution and automatic privilege handling. Essential tool for sysadmins and security researchers.

View Project

KernelResearchKit

November 7, 2025 – Present

Windows 11 kernel research framework demonstrating DSE bypass on Windows 11 25H2 through boot-time execution. Loads unsigned drivers by surgically patching SeCiCallbacks via native subsystem. Includes anti-loop protection and dual-path architecture. Windows 11 25H2 driver signature enforcement bypass

View Project

Watermark_Remover

October 11, 2025 – Present

Windows watermark remover using IAT hooking and COM CLSID proxy injection. Patches shell32.dll via TrustedInstaller to intercept ExtTextOutW, LoadStringW, DrawTextWithGlow and more (removes evaluation, test-mode and activation strings). Pure MASM x64 (no CRT), ~30 KB. Reversible.

View Project

kvc

September 17, 2025 – Present

KVC enables unsigned driver loading via DSE bypass (g_CiOptions patch, skci.dll hijack, SeCiCallbacks redirection) and PP/PPL manipulation for LSASS memory dumping on modern Windows with HVCI/VBS.

View Project

CmdT

August 14, 2025 – Present

The world's smallest TrustedInstaller launcher ~30KB of pure x64/x86 assembly. Hybrid CLI/GUI in one binary. Full NT privilege elevation (34 privileges), token caching, .lnk resolution via COM, drag-and-drop with UIPI bypass. Zero CRT dependency.

View Project

Key Strengths

Deep expertise in low-level systems programming, particularly Windows kernel and native development.
Extensive experience with C++ and Assembly, crucial for Embedded Systems roles.
Demonstrated ability to reverse engineer, bypass security mechanisms (DSE, HVCI), and perform system-level modifications.
Strong understanding of operating system internals, memory management, and privilege escalation.
Practical experience in developing high-performance, dependency-free utilities.
Projects align directly with the complexities and requirements of an Embedded Systems Engineer, especially in areas requiring direct hardware/OS interaction.

Cultural & Operational Fit

Cultural Fit Analysis

Soft Skills & Operational Fit

Marek Wesołowski

Key Strengths

Cultural & Operational Fit

Top Skills

Skills

Experience

Projects

Key Strengths

Cultural & Operational Fit