Careers

Tezos ecosystem career opportunities

Tezos is the product of many organizations and individuals across the globe working together on an open-source project.

Security Engineer

Madfish

Madfish

Software Engineering
Europe
Posted on Nov 28, 2025

Who We Are

PAR Retail, with its Open Commerce® product suite and patent pending Wallet Steering® System, empowers Convenience & Fuel Retailers to gain more share of wallet and customer lifetime value than possible with any other solution provider. PAR Retail’s unified Open Commerce product suite consists of: Activate for Intelligent 1:1 Loyalty, Transact for Contactless Commerce, and Experience for Cross-Channel Customer Experiences. PAR Retail’s solutions are supported by a set of subscription-based program management services and are contractually backed by its 1.5X Performance Guarantee.

Requirements:
- Operational knowledge of modern operating systems and networking;

- Experience with common cloud services: AWS, GCP, and Azure;

- Network Security and expertise in network pentesting;

- Security testing of web applications, web services, mobile apps (hybrid and native), and IT infrastructure;

- Understanding security certifications (PCI DSS / SOC2);

- Ability to apply modern Application Security methodologies and frameworks;

- Ability to use at least one modern programming language;

- Practical experience with Burp Suite;

- Experience with IDS, IPS, SIEM configuration;

- Upper-intermediate English level.

Responsibilities:

- Requirements analysis, performing penetration testing and security audit;

- BE, WEB, cloud and mobile clients testing;

- Vulnerability reporting and remediation process;

- Communication with development and project management teams;

- Prepare security testing reports;

- Prepare and support internal documentation for the project.

PAR Retail Offers:

- Long-term employment;

- Competitive compensation with regular performance-based salary and career development reviews;

- Paid vacations and sick leaves;

- Health insurance program;

- Flexible working hours;

- Sponsored company educational program, corporate library;

- Funny celebrations, team outings, and company events;

- A unique and friendly environment where everyone can explore and learn new technologies.