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Cybersecurity Engineer - Ethical Hacking

Comunidad de Madrid
Madrid, Spain
23 days ago
Apply on www.jobleads.com
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Compensation
€60,000.0 - €90,000.0
Working hours
Regular working hours
Job source
www.jobleads.com

Tech stack

Data Mining Network Protocols Reverse Engineering Session Management WebSocket Scripting IDA Pro

Job description

  • Reverse engineering and decompilation of web and mobile apps (APK/IPA) to reveal inner workings and crypto logic
  • Evaluate and bypass anti-bot security protocols (TLS, HTTP/2, HTTP/3, WebSockets, DoH, session management) to enhance data extraction
  • Develop custom Python scripts and frameworks to automate bypasses and adapt security as needed
  • Implement stealth scraping techniques (browser patching, headless evasion, proxy tunneling, human-behavior emulation)
  • Regularly test, disrupt, and improve scraping tools to keep pace with defenses

Requirements

  • Reverse engineering expertise with tools like IDA Pro, Ghidra, or custom solutions
  • Deep knowledge of web and network protocols TLS, HTTP/2, WebSockets, DoH
  • Advanced Python development skills for robust solutions
  • Ability to work independently and in a collaborative, fast-paced environment
  • Known ethical standards in security research

Apply for this position

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Good distractions

Talks and stories from around this role — technically off-topic, practically not.

Moments

Explore playlists

1:04 min

Introduction to Bitcoin script parsing tools

Steve Shadders · LIVE

51 sec

Configuring live browser and WebSocket connection endpoints

Suchitra Swain Suchitra Swain · World Congress 2026 Europe

5:01 min

Bridging the gap between software development and security

Vandana Verma · LIVE

1:53 min

Evaluating traditional scripting languages for modern development tasks

Jens Knipper Jens Knipper · Europe 2026 Virtual

7:08 min

Building a WebSocket server with Deno

Chris Heilmann +3 · LIVE

6:12 min

Recommended training platforms for developing security mindsets

Thomas Konrad · World Congress 2021

Videos

See all
JavaScript? No. Java Scripts! - Scripting with Java thumbnail
46:19
Europe 2026 Virtual • about 1 month ago

JavaScript? No. Java Scripts! - Scripting with Java

Jens Knipper

Minimal infrastructure for Real‑Time Phone Agents: transcripts in, responses out thumbnail
29:35
LIVE • 10 months ago

Minimal infrastructure for Real‑Time Phone Agents: transcripts in, responses out

Chris Heilmann, Daniel Cranney, Marius Obert, Staff Evangelist At Twilio

Security Pitfalls for Software Engineers thumbnail
27:32
World Congress 2023 • almost 3 years ago

Security Pitfalls for Software Engineers

Jasmin Azemović

Intermediate Bitcoin Script thumbnail
1:06:12
LIVE • about 6 years ago

Intermediate Bitcoin Script

Steve Shadders

Leveraging Server-Sent Events (SSE) for Efficient Data Streaming in UI Development thumbnail
53:45
LIVE • about 2 years ago

Leveraging Server-Sent Events (SSE) for Efficient Data Streaming in UI Development

Rainer Stropek

Cyber Sleuth: Finding Hidden Connections in Cyber Data thumbnail
1:00:19
LIVE • over 2 years ago

Cyber Sleuth: Finding Hidden Connections in Cyber Data

Jennifer Reif

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