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Tezos ecosystem career opportunities

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

Senior Backend Developer (PHP)

Madfish

Madfish

Software Engineering
Remote
Posted on Nov 19, 2025

At WhiteTech, we empower businesses in the financial ecosystem with cutting-edge white-label and SAAS solutions.

Our comprehensive suite of tools is tailored for EMI, PSP, e-commerce, and open banking platforms. With WhiteTech, clients gain access to a platform designed for flexibility, scalability, and seamless integration.

Our mission is to help businesses unlock their full potential in a rapidly evolving financial landscape.

Your key responsibilities will include:

  • Develop and maintain backend services using PHP 8.3 and Symfony.
  • Design, optimize, and maintain relational databases such as PostgreSQL and MySQL.
  • Implement high-performance analytics solutions with ClickHouse and caching mechanisms using Redis.
  • Manage project dependencies efficiently with Composer.
  • Design and optimize database schemas for performance and scalability.
  • Build and maintain robust REST APIs and integrate them with external services.
  • Collaborate with front-end developers and other stakeholders to deliver seamless user experiences.

What makes you stand out:

  • Strong knowledge of PHP 8.3 and the Symfony framework.
  • Hands-on experience with PostgreSQL and MySQL databases.
  • Familiarity with ClickHouse for analytics and Redis for caching.
  • Proficiency in managing dependencies using Composer.
  • Expertise in database design, schema optimization, and performance tuning.
  • Proven experience building and integrating REST APIs.
  • Basic understanding of the Go programming language.
  • Strong problem-solving skills, attention to detail, and the ability to work in a team.

We offer:

  • Competitive compensation package (commensurate with your experience)
  • Access to paid corporate English lessons (through Preply)
  • 19 business days of flexible Paid Time Off (PTO)
  • Fully remote work with flexible hours (within the CET time zone) from any location of your choice
  • Values-driven culture with a friendly and supportive work environment
  • Opportunity to regularly participate in conferences and community events as both a participant and contributor
  • Matrix organizational structure designed to streamline communication, remove barriers, and promote efficiency