Snowflake Developer

Link Group

Warszawa

Hybrid

PLN 180,000 - 320,000

Full time

3 days ago
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Job summary

Link Group poszukuje Senior Developera do zespołu odpowiedzialnego za warstwę analityczną Snowflake. Będziesz refaktoryzował i rozbudowywał istniejące data pipelines oraz implementował zmiany wynikające z wymagań biznesowych.”

Wymagane 3+ lata doświadczenia w analityce danych, praktyczna znajomość Snowflake, DBT, GitLab i angielski na poziomie B2. Praca wymaga samodzielności, dbałości o jakość kodu i współpracy w zespole.

Qualifications

  • 3+ lata doświadczenia jako konsultant IT / data engineer w dostarczaniu analytics
  • Praktyczna znajomość Snowflake: hurtownie, role, zadania/streams, projektowanie SQL z uwzględnieniem wydajności
  • DBT w produkcyjnym użyciu (modele, makra, testy, dokumentacja)
  • GitLab (lub równoważny workflow Git) z CI-wspieranym deploymentem modeli danych
  • Doświadczenie refaktoryzowania istniejących potoków danych i pracy od wymagań do mockupów
  • Rozszerzanie warstwy analytics Snowflake dla źródeł, agregacji i danych produktowych
  • Wdrażanie zmian w wymaganiach biznesowych: nowe atrybuty, logika agregacji, drill-down, historization
  • Budowa i utrzymanie modeli DBT, testów i dokumentacji; zarządzanie kodem w GitLab
  • Projektowanie logiki transformacyjnej i analitycznej (np. statusy partii, analizy odchyleń)
  • Zapewnienie zgodności z standardami nazewnictwa, warstwowania, data-product ownership i dokumentacją
  • Walidacja danych i reconcilizacja z systemami źródłowymi; monitorowanie jakości danych

Responsibilities

  • Senior Developer dołącza do zespołu pracującego nad warstwą Snowflake, refaktoryzuje i rozbudowuje istniejące pipeline’y oraz implementuje wymagania biznesowe
  • Przygotowuje i utrzymuje modele DBT, testy i dokumentację; zarządza kodem w GitLab z dyscypliną MR/branch
  • Projektuje transformacje i analitykę (np. consolidacja statusów, breakdowny przyczyn odchyleń, porównanie wysiłku) oraz zapewnia zgodność z praktykami data governance

Skills

Snowflake
SQL
dbt
Angielski (B2)

Tools

GitLab
CI/CD

Job description

  • Snowflake
  • dbt
  • SQL
  • Angielski (B2)

Must Have

  • 3+ years experience as an IT consultant / data engineer in analytics delivery.
  • Snowflake hands-on: warehouses, roles, tasks/streams, performance-aware SQL modelling; advanced SQL.
  • DBT in productive use (models, macros, tests, documentation).
  • GitLab (or equivalent Git workflow) including CI-supported deployment of data models.
  • Experience refactoring existing pipelines rather than greenfield builds; able to work from written requirements and mock-ups.
  • Refine and extend the Snowflake analytics layer for the in-scope pipelines: source, aggregated and consumer-oriented data products.
  • Implement business requirement updates: new attributes, changed aggregation logic, drill-down levels, historization/versioning of planning cycles.
  • Build and maintain DBT models, tests and documentation; manage code in GitLab with branch/merge-request discipline and code review.
  • Design and implement transformation and analytics logic (lot status consolidation, rejection-reason breakdowns, standard-vs-actual effort comparison, basic statistical process control where required).
  • Ensure compliance with standards like naming conventions, layering, data-product ownership, lineage and documentation.
  • Perform data validation and reconciliation against source systems; support data-quality monitoring.
Opis oferty

We are looking for a Senior Developer to join our team and work on the Snowflake analytics layer. The role will involve refactoring and extending existing data pipelines, as well as implementing business requirements and enhancements identified through requirements engineering and business reviews.

  • Start ASAP

We're a bunch of super-dedicated and passionate people who truly believe in making a difference and delivering amazing results on a huge scale.

We're the real deal when it comes to expertise:

We've got a whopping 100,000 IT specialists in our network

73% of our experts are seasoned pros with over 8 years of experience

78% of the specialists in our network have at least 2 years of experience working in distributed teams

And get this, we conduct 99% of our candidate interviews online and from afar.

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