{"id":4010538,"url":"https://alion.io/job/ecowind-backend-python-data-infrastructure-engineer","title":"Backend (Python)/ Data Infrastructure Engineer","company":{"id":4486944,"name":"Ecowind","domain":"ecowind.com.ua","url":"https://alion.io/company/ecowind","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"DevOps","role_family":"DevOps","seniority":null,"employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Ukraine"],"countries":["UA"],"hiring_countries":["UA"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Iceberg","optional":false},{"name":"ClickHouse","optional":false},{"name":"DuckDB","optional":false},{"name":"ETL/ELT","optional":false},{"name":"Google BigQuery","optional":false},{"name":"Python","optional":false},{"name":"Rust","optional":false},{"name":"Snowflake","optional":false},{"name":"SQL","optional":false},{"name":"Trino","optional":false},{"name":"Apache Hudi","optional":true},{"name":"Databricks","optional":true},{"name":"Delta Lake","optional":true}],"status":"live","first_seen_at":"2026-11-10T09:41:30Z","employer_posted_date":null,"last_verified_at":"2026-11-10T09:41:30Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"Employment: Full-time\n\nWork Format: Remote\n\nAbout the Company\n\nWe are a technology startup operating in the Data Infrastructure and Cloud Analytics domain. We are developing a platform that helps companies optimize analytical query execution by automatically selecting the most efficient database or query engine based on speed, cost, and performance.\n\nOur product brings together modern database technologies, cloud platforms, and distributed systems to make large-scale data processing faster and more efficient.\n\nAbout the Role\n\nWe are looking for a Backend / Data Infrastructure Engineer to join the development of our product's core architecture.\n\nYou will work at the intersection of Backend Development, Database Technologies, and Distributed Systems, building solutions that integrate different data processing systems and optimize analytical query execution.\n\nThis role is a good fit for an engineer who is interested not only in traditional data processing workflows but also in database internals, query architecture, and distributed infrastructure.\n\nKey Responsibilities\n\nDevelop and maintain backend services and APIs for interacting with different databases and query engines.\n\nBuild and improve integrations with Snowflake, DuckDB, Trino, ClickHouse, BigQuery, and other systems.\n\nDevelop mechanisms for SQL query routing, execution, and optimization across different query engines.\n\nWork with SQL parsing, logical query plans, and SQL dialect transformations.\n\nEnsure data consistency and result accuracy when executing queries across different systems.\n\nWork with data storage technologies, including Apache Iceberg.\n\nDevelop automated benchmarking tools to test and compare different query engines in terms of execution speed, throughput, and cost.\n\nImprove the platform's reliability, scalability, and performance.\n\nRequirements\n\nPractical experience in Software Engineering or Backend Development.\n\nCommercial development experience with Python; 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