Position: Senior Penetration Tester for Decentralized exchange (VEAX)
Company: Tacans
Category: Security
Experience required: 3y

About Tacans: Tacans is a company specialized in blockchain development. Our team is a major contributor to Concordium ecosystem, and build multiple products including SpaceSeven — an NFT marketplace, CryptoX Wallet and many others.

We’re looking for an enthusiastic, self-motivated engineer to help us build the next generation of financial products. As an engineer, you will gain ownership over our existing suite of products, as well as the ability to influence the creation, design, and execution of future products.

Responsibilities:

— Vulnerabilities discovery in Manual and Automated ways as part of Penetration testing and Application Security reviews;
— Evaluation of security risks and recommendation of threat mitigations;
— Documenting findings; Record PoC videos; Reports presentation;
— Security training for internal QA and Development teams.

Requirements:

— Ability to manually find and exploit vulnerabilities in web, mobile, and on-premise applications;
— Experience with various penetration testing tools (Kali Linux, Burp Suit, Frida, Drozer, Metasploit, nmap, sqlmap);
— Experience at BlackBox and/or WhiteBox application assessment;
Deep knowledge of one or more operating systems (Linux, Windows, Mac, IOS, Android, ect);
— Knowledge of different attack techniques (OWASP top 10; WASC; SQL injection; XSS; CSRF; SSRF; XXE; http response splitting; cache poisoning; code injection; MITM http/https, etc...);
— Experience with HTML, XML, JavaScript, CSS, SQL, and JSON;
— Experience to assess security with databases: SQL, nosql, LDAP;
Knowledge and understanding of Application Security, System and Network Security, Authentication and Security protocols.

Will be a plus:
— Ability to run manual test of binaries for vulnerabilities;
— Experience in Jeb, IDA Pro, Process hacker;
— Experience in Social engineering attacks;
— OSCP.

Working conditions:
— Competitive salary;
— Professional, friendly and supportive environment;
— Office location near metro Kontraktova Square;
— Annual paid vacation (22 working days), 15 paid sick leaves;
— Medical insurance program.