Hybrid Senior SQL Engineer, BigQuery

at GFT Technologies

• Job title: Senior SQL Engineer, BigQuery
• Job type: Full Time
• Experience level: Senior
• Salary: PLN 14,500 - PLN 22,300 per month
• Degree requirement: Bachelor's Degree
• Tech skills: Airflow, Ansible, BigQuery, Cloud, ETL, Jenkins, Python, SQL, Terraform, Vault
• Location requirements: Hybrid, Krakow, Poland

About the role

• Senior SQL Engineer developing data solutions and optimizing SQL for cloud-based platforms. Joining an agile team to support business data requirements using modern DataOps practices.

Responsibilities

• Design, build, and deploy data models and transformations in BigQuery (complex SQL, stored procedures, partitioning, clustering)
• Create and manage ETL/ELT pipelines to move and transform data into Data Vault models
• Optimize SQL queries and data jobs to make them faster and more cost-effective
• Connect data from different sources (APIs, SFTP) and ensure it is accurate
• Manage code and CI/CD pipelines using tools like Git, Jenkins, and Ansible
• Use Google Secret Manager to keep applications and credentials secure
• Monitor data pipelines, fix bugs, and suggest improvements
• Talk to business stakeholders to understand their needs and create technical plans

Requirements

• At least 3–4 years of experience in SQL optimization and complex data work in BigQuery
• Experience in Data Vault modeling and usage
• Good knowledge of Python and Terraform for automation
• Hands-on experience with Cloud Composer (Airflow), Cloud Run, and Pub/Sub
• Practical skills with Git for version control
• Experience with CI/CD tools (Ansible, Jenkins) for cloud applications
• Ability to work in a DataOps model and Agile environment
• Strong problem-solving and analytical skills
• Willingness to learn new things and work well in a team
• English level B2+

Benefits

• Hybrid work in one of our locations: Lodz, Poznan, Krakow, Warszawa, Wroclaw (2 office days per week)
• Working in a highly experienced and dedicated team
• Benefit package that can be tailored to your personal needs (private medical coverage, sport & recreation package, lunch subsidy, life insurance, etc.)
• On-line training and certifications fit for career path
• Access to e-learning platform Mindgram - a holistic mental health and wellbeing platform
• Work From Anywhere (WFA) - the temporary option to work remotely outside of Poland for up to 140 days per year (including Italy, Spain, the UK, Germany, Portugal, and Bulgaria)
• Social events