Aleksander Danilenko

DevOps Engineer

Kazakhstan7 mos experience

AI EnabledAI ML Practitioner

Key Highlights

5 years of experience in application security and penetration testing.
Expertise in DevSecOps automation and security architecture.
Proven track record in leading Red Team operations.

Stackforce AI infers this person is a Cybersecurity Specialist with a focus on Application Security and Penetration Testing.

Contact

Skills

Core Skills

Application SecurityDevsecopsPhotographyVideographySoftware DevelopmentSystem AdministrationPenetration TestingRed Teaming

Other Skills

Vulnerability ResearchStatic & Dynamic AnalysisFuzzingSystem HardeningArt DirectionPost-ProductionGraphic DesignVisual StorytellingScriptingIT InfrastructureClient ManagementVulnerability ExploitationMITRE ATT&CKCollaboration with Blue TeamsCyber

About

Application Security Engineer & Penetration Tester with 5 years of hands-on experience securing web applications, Web3 products, and cloud infrastructure. Former MD — applying clinical precision to threat modeling, vulnerability assessment, and risk prioritization. What I do: Web application & API penetration testing (OWASP Top 10, REST/GraphQL) Security architecture for Web3 and cloud-native environments DevSecOps automation — SAST/DAST, CI/CD security gates, GKE hardening Threat modeling and MITRE ATT&CK-aligned remediation Stack: Burp Suite, Metasploit, SQLMap, Python, Docker, Terraform, Google Cloud Security, Datadog SIEM Currently: Application Security Engineer at Web3 Tech Previously: Penetration Tester / Red Team at INLINE Technologies (ITG Group) Open to remote AppSec and Red Team opportunities.

Experience

7 mos

Total Experience

7 mos

Average Tenure

7 mos

Current Experience

Web3 tech

Application Security Engineer

Oct 2025 – Present · 7 mos · Remote

Application Security Engineer specializing in low-level system security, infrastructure hardening, and comprehensive vulnerability research. Focused on securing critical Linux components, virtualization technologies, and embedding security deep into the CI/CD pipeline.
Key Responsibilities & Achievements:
Static & Dynamic Analysis: Performing deep code analysis of critical system components, network drivers, and virtualization stacks (KVM/QEMU, libvirt) using tools like CodeQL, Coverity, and Coccinelle to identify memory corruptions, race conditions, and privilege escalation vectors.
Fuzzing Campaigns: Designing and executing fuzzing strategies using AFL++, syzkaller, and libFuzzer to uncover system-level vulnerabilities. Analyzing crashes and memory dumps with GDB, KASAN, and UBSAN.
System Hardening & Audit: Auditing OS-level security mechanisms and isolation technologies, including SELinux, AppArmor, seccomp, namespaces, and cgroups. Performing targeted KVM hardening.
Remediation & DevSecOps: Integrating automated security gating (GitLab CI, Jenkins) and collaborating with development teams to patch vulnerabilities, backport fixes, and ensure compliance with secure coding standards (CERT C).
Tech Stack & Tools:
Core: C, Linux Kernel, KVM/QEMU, x86/ARM Assembly, eBPF, TCP/IP.
SAST & Analysis: CodeQL, Coverity, Coccinelle, Smatch, sparse.
Fuzzing & Debugging: syzkaller, AFL++, libFuzzer, GDB, kgdb, perf, ftrace.
OS Security: SELinux, AppArmor, seccomp, cgroups.

Application SecurityVulnerability ResearchStatic & Dynamic AnalysisFuzzingSystem HardeningDevSecOps

Inline technologies

Penetration Tester | Purple Team

Feb 2020 – May 2025 · 5 yrs 3 mos · Remote

Led Red Team operations & full-scope pentests for
enterprise finance/tech clients, uncovering critical attack
paths across web, APIs, and infrastructure.
Exploited critical vulnerabilities (RCE, SSRF, SQLi) and
mapped complex attack chains to MITRE ATT&CK to
demonstrate real-world business risks.
Drove Purple Team initiatives, collaborating directly with
Blue Teams and developers to tune SIEM detection rules
and accelerate remediation.
Simulated APT tactics using Burp Suite, Metasploit, and
custom tooling to bypass security controls in highly
secured environments.

Red TeamingPenetration TestingVulnerability ExploitationMITRE ATT&CKCollaboration with Blue Teams

Youdo

Software-engineer

Jul 2018 – Mar 2026 · 7 yrs 8 mos · Remote

I have operated as an independent IT consultant and developer, successfully delivering over 450+ diverse technical projects with a 4.77/5.0 client satisfaction rating. This entrepreneurial experience built my foundational knowledge in system architecture, troubleshooting, and secure software deployment.
Key Technical Experience:
Software Development & Scripting: Designed, developed, and maintained custom web applications, automation scripts, and utilities (JavaScript, Python) tailored to specific client business needs.
System Administration (Linux/Windows): Provided advanced technical support, including installing, configuring, and hardening operating systems (with a strong focus on Ubuntu/Linux environments), resolving complex OS-level faults, and recovering compromised systems.
IT Infrastructure & Security: Set up local networks, configured secure routers, conducted basic security reviews of client environments, and implemented data backup and disaster recovery solutions.
Client & Project Management: Managed the full project lifecycle independently—from gathering initial requirements from non-technical clients to architecting and deploying the final solution.

Software DevelopmentScriptingSystem AdministrationIT InfrastructureClient Management

Self-employed

Photographer / Videographer

May 2014 – Present · 12 yrs · Hybrid

Title: Multidisciplinary Visual Artist, Photographer & Director
Company: Mark Oliferov (MadnessBrains)
Internationally published visual artist, photographer, and director operating under the alias MadnessBrains. With roots in Norilsk and based in St. Petersburg, my work focuses on provocative, underground editorial, and fine art portraiture. I specialize in capturing highly emotional, sincere, and cinematic moments, blending raw artistic vision with meticulous technical execution.
As a multidisciplinary creative, my expertise extends beyond the camera (Fujifilm and Nikon) to include complex video editing, graphic design, and animation, allowing me to manage full-cycle visual production.
Selected Media Features & Publications:
Photar.ru: Featured in an exclusive full-length interview and portfolio review highlighting my provocative portraiture style.
MOB Journal: Recognized as a Featured Artist with works published in Volume 16 (Issue #28) and Volume 22 (Issue #69).
Cultartes: Dedicated editorial feature focusing on my conceptual fine-art series "You Wrap an Octopus".
Key Projects & Artistic Scope:
Directed and shot extensive international visual projects across Italy (Amalfi), Spain, Germany, and Turkey (Antalya).
Conceptualized and executed acclaimed photo series including "HumanTree", "No Face", and "Girl in the Sea", showcasing a deep understanding of composition, storytelling, and atmospheric lighting.
Core Competencies:
Art Direction | Cinematic Photography & Videography | Post-Production & Editing | Graphic Design & Animation | Visual Storytelling | Cross-Functional Creative Production