Careers

Tezos ecosystem career opportunities

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

Senior Software/Data Engineer (5+ years with .NET + Python/5+ years in Python + .NET)

Madfish

Madfish

Software Engineering, Data Science
Ukraine
Posted on Nov 21, 2025

The company is a global marketing tech company, recognized as a Leader by Forrester and a Challenger by Gartner. We work with some of the world’s most exciting brands, such as Sephora, Staples, and Entain, who love our thought-provoking combination of art and science. With a strong product, a proven business, and the DNA of a vibrant, fast-growing startup, we’re on the cusp of our next growth spurt. It’s the perfect time to join our team of ~450 thinkers and doers across NYC, LDN, TLV, and other locations, where 2 of every 3 managers were promoted from within. Growing your career with the company is basically guaranteed.

Requirements

  • At least 5 years of experience with .NET with some experience in Python, or, alternatively, at least 5 years of experience in Python with some experience with .NET.
  • At least 3 years of experience in processing structured terabyte-scale data.
  • Solid experience in SQL (advanced skills in DML).
  • Hands-on experience with OLAP storage (at least one of Snowflake, BigQuery, ClickHouse, etc.).
  • Deep understanding of data processing services (at least one of Apache Airflow, GCP Dataflow, Apache Hadoop, Apache Spark, etc.).
  • Experience in designing distributed cloud-native systems.
  • Experience in automated test creation (TDD).
  • Experience in working with AI tools.

Advantages

  • Being fearless of mathematical algorithms (part of our team’s responsibility is developing ML models for data analysis; although knowledge of ML is not required for the current position, it would be awesome if a person felt some passion for algorithms).
  • Experience in DevOps.
  • Familiarity with Docker and Kubernetes.
  • Experience with GCP services would be a plus.
  • Experience with IaC would be a plus.