(Junior or Mid) Data Engineer with Snowflake

Posted 10 Days Ago
Be an Early Applicant
Warsaw, Warszawa, Mazowieckie, POL
In-Office
Junior
Insurance • Financial Services
The Role
Design, develop, and optimize scalable data pipelines on Snowflake. Collaborate with cross-functional teams, implement data modelling and performance best practices, ensure data quality/security, automate workflows, integrate diverse data sources, and monitor/troubleshoot pipelines.
Summary Generated by Built In

Hi, we're glad you're here! We are hiring to our Aviva Services Excellence Centre! Take a look at our job description - maybe it suits you or one of your friends? 

The project is growing and the team needs you!

Why is it good to join Aviva?

  • Become a part of a team of enthusiasts where initiatives are more than welcome

  • You'll have the real influence on the shape of the project (everyone's voice matters)

  • You'll have fun creating and implementing high quality solutions that you can later leverage on - there will be more time to work on interesting features in the future (instead of putting out fires)

  • Experience friendly and supportive working culture

  • Direct cooperation with the UK team

  • Have lots of fun and satisfaction from your work without sacrificing work-life balance

  • You'll get access to high quality learning platforms with guaranteed time for self-development during working hours

  • Internal upskilling programs available for Data Engineers

  • Opportunity to use and experience modern technology stack used within Data Engineering

  • Clear career path

What will you be doing?

  • Designing, developing, and optimizing scalable data pipelines using Snowflake and modern data stack tools.

  • Collaborating with cross-functional teams to understand data requirements and deliver robust solutions.

  • Implementing best practices for data modelling, performance tuning, and cost-efficient architecture in Snowflake.

  • Conducting code reviews to ensure high-quality, maintainable, and secure data engineering solutions.

  • Ensuring data quality, reliability, and security across all stages of the data lifecycle.

  • Automating data workflows and integrating diverse data sources into the Snowflake platform.

  • Monitoring and troubleshooting data pipeline issues, ensuring high availability and performance.

What we’re looking for?

  • Approx. 1-3 years of experience in a relevant role.

  • Experience in Snowflake scripting - stored procedures (PLSQL or python), user defined functions, Common Table expressions, Window functions.

  • Knowledge of ETL / ELT and Snowflake architecture.

  • Knowledge of various file formats (Parquet, JSON, YAML).

  • Understanding Snowflake concepts like data sharing, replication, dynamic data, using masking policies, secure views, row access policies concepts, tags, streams, tasks, external tables, time travel, clone, storage integration, stages, clustering of larger tables on clustering keys, role-based access control.

  • Familiarity with git concepts like creation of branches, cloning of repo, creation of pull requests, resolving conflicts, code reviews.

  • Understanding basic principles of data structure and data modelling.

  • Knowledge of Azure DevOps and/or AWS services (AWS Glue experience is preferred).

  • Experience with software engineering best practices such as design patterns, code review, testing, and documentation.

  • Fluent English.

Nice to have:

  • Knowledge of Apache airflow to schedule pipelines.

  • Experience in using Snowpark.

  • DBT (Data build tool or any other commercial ETL tool) hands on experience in creating models as per requirements, using macros, jinja scripting, hooks, automated tests, snapshots, DBT packages.

  • Snowflake certifications.

In Aviva Services Excellence Centre, we provide:  

  • Contract of employment  

  • Performance Bonus  

  • Private medical care (ENEL-MED)  

  • Cafeteria system of benefits (e.g. MultiSport card)  

  • Additional parent privileges:  
    - baby leave – 6 weeks leave for second parent  
    - shortened working time after parental leave  

  • Employer-funded group insurance  

  • Employee Shares Plan  

  • Extra day off for birthday  

  • Paid time off to volunteer  

  • Additional leave acquired over the years in the company (even 5 days more in a year)  

  • Wellbeing Leave - additional two weeks paid leave after 10 years of service  

  • Psychological support consultations  

  • Access to the e-learning platforms  

  • Internal employee referral program  

  • Hybrid working model from Poland with a few days in Warsaw office per month

  • Attractive office location in Warsaw - Gdański Business Center  

  • Additional entitlements for people with disabilities - Work Without Barriers  

  • Work environment that promotes diversity - Diversity Charter  

Do you see yourself in Aviva Services Excellence Centre? Be sure to apply!   

Aviva is for everyone!

We’ve been ranked the #1 Best Workplace in Poland and #5 for Women by Great Place to Work®! Join a place where you’re empowered to grow, thrive, and shine bright!  

As a signatory to the Diversity Charter, Aviva applies a policy of equal treatment and creates a work environment that is friendly to people with disabilities. We do not require from candidates the date of birth, marital status and attached photos to your CV. We encourage all individuals regardless of gender to apply.  

Most of our people are smart working – spending also time in our office - combining the benefits of flexibility, with time together with colleagues.  

We’re inclusive - we welcome applications from people with diverse backgrounds and experiences.  

Excited but not sure you tick every box? Research tells us that women, particularly, feel this way. So, regardless of gender, why not apply and try! 

To find out more about current job offers at Aviva take a look here.

Skills Required

  • 1-3 years of experience in a relevant role
  • Experience in Snowflake scripting (stored procedures using PL/SQL or Python), user defined functions, CTEs, and window functions
  • Knowledge of ETL/ELT processes and Snowflake architecture
  • Knowledge of file formats: Parquet, JSON, YAML
  • Understanding Snowflake features (data sharing, replication, masking policies, secure views, row access policies, tags, streams, tasks, external tables, time travel, clone, storage integration, clustering, RBAC)
  • Familiarity with Git workflows (branching, cloning, pull requests, resolving conflicts, code reviews)
  • Understanding of data structures and data modelling principles
  • Knowledge of Azure DevOps and/or AWS services
  • AWS Glue experience
  • Experience with software engineering best practices (design patterns, testing, documentation, code reviews)
  • Fluent English
  • Knowledge of Apache Airflow for scheduling pipelines
  • Experience using Snowpark
  • DBT hands-on experience (models, macros, Jinja scripting, automated tests, snapshots, DBT packages)
  • Snowflake certifications
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The Company
HQ: London
36,000 Employees
Year Founded: 1696

What We Do

Aviva is a multinational insurance and financial services company, offering a diversified range of products including insurance, wealth management, and retirement solutions. It is the UK's leading diversified insurer.

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