Senior Data Engineer

GoMining; Poland; On-site; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Remote or hybrid format

Job summary

GoMining is seeking a Senior Data Engineer to design and build a modern cloud data platform. You will shape data architecture and pipelines, enabling analytics, ML, and product teams with high-quality data.

You will work across Data Platform, Data Engineering, Platform Reliability, and Engineering Excellence to implement IaC, CI/CD, and scalable data solutions using Python, SQL, and GCP tools.

Qualifications

• 6+ years of experience in Data Engineering, including 3+ years in Senior-level roles.
• Strong software engineering background with excellent Python skills.
• Proven experience designing and building cloud-based data platforms and data warehouses.
• Strong hands-on experience with Google Cloud Platform, including BigQuery, Dataflow, Pub/Sub, and Composer (Airflow).
• Experience building ETL/ELT pipelines, streaming architectures, and API integrations.
• Experience with Terraform, Kubernetes, Docker, and CI/CD pipelines.
• Strong understanding of data modeling, distributed systems, and scalable data architectures.
• Experience implementing data quality, monitoring, and observability solutions.
• Strong SQL skills.

Responsibilities

• Design, build, and evolve GoMining's cloud data platform on Google Cloud Platform.
• Develop scalable data architecture following modern engineering principles, including Medallion Architecture.
• Define and maintain data models, data contracts, and integration standards across systems.
• Build and maintain reliable batch and streaming data pipelines.
• Integrate data from internal services and third-party APIs.
• Develop scalable ETL/ELT workflows and automate data processing.
• Build and maintain analytical data marts for business and product teams.
• Ensure data quality, consistency, and reliability across the platform.
• Implement monitoring, alerting, and SLA management for data pipelines.
• Continuously improve platform performance, scalability, and operational efficiency.
• Drive Infrastructure as Code (IaC), CI/CD, and automation across the data platform.
• Contribute to the development of ML and AI infrastructure.
• Establish engineering best practices, code quality standards, and technical documentation.
• Collaborate with Analytics, Data Science, Product, and Engineering teams.

Skills

Python programming

SQL

Data engineering

Tools

BigQuery

Dataflow

Pub/Sub

Composer (Airflow)

Apache Airflow

Terraform

Kubernetes

Docker

CI/CD

Git

Job description

We are looking for a Senior Data Engineer with a strong software engineering background and deep expertise in building modern cloud-based data platforms.

You will be responsible for designing and developing scalable data infrastructure, building reliable data pipelines, and establishing engineering best practices across our data ecosystem. This role is ideal for someone who enjoys solving complex engineering challenges while enabling analytics, machine learning, and product teams with high-quality data.

Responsibilities

Data Platform

• Design, build, and evolve GoMining's cloud data platform on Google Cloud Platform
• Develop scalable data architecture following modern engineering principles, including Medallion Architecture
• Define and maintain data models, data contracts, and integration standards across systems

Data Engineering

• Build and maintain reliable batch and streaming data pipelines
• Integrate data from internal services and third-party APIs
• Develop scalable ETL/ELT workflows and automate data processing
• Build and maintain analytical data marts for business and product teams

Platform Reliability

• Ensure data quality, consistency, and reliability across the platform
• Implement monitoring, alerting, and SLA management for data pipelines
• Continuously improve platform performance, scalability, and operational efficiency

Engineering Excellence

• Drive Infrastructure as Code (IaC), CI/CD, and automation across the data platform
• Contribute to the development of ML and AI infrastructure
• Establish engineering best practices, code quality standards, and technical documentation
• Collaborate closely with Analytics, Data Science, Product, and Engineering teams

Technology Stack

• Python
• SQL
• Google Cloud Platform (BigQuery, Dataflow, Pub/Sub, Composer)
• Apache Airflow
• Terraform
• Kubernetes
• Docker
• CI/CD
• REST APIs
• Git

Requirements

• 6+ years of experience in Data Engineering, including 3+ years in Senior-level roles
• Strong software engineering background with excellent Python skills
• Proven experience designing and building cloud-based data platforms and data warehouses
• Strong hands‑on experience with Google Cloud Platform, including BigQuery, Dataflow, Pub/Sub, and Composer (Airflow)
• Experience building ETL/ELT pipelines, streaming architectures, and API integrations
• Experience with Terraform, Kubernetes, Docker, and CI/CD pipelines
• Strong understanding of data modeling, distributed systems, and scalable data architectures
• Experience implementing data quality, monitoring, and observability solutions
• Strong SQL skills

Nice to have

• Experience building ML infrastructure and supporting Data Science teams
• Experience with Kafka or other streaming platforms
• Experience working with fintech, crypto, Web3, or high-scale B2C products
• Experience with modern data lakehouse architectures
• Experience using AI tools to improve engineering productivity

Benefits

• Professional growth: support for courses, conferences, and English learning (up to 100% coverage)
• Work-life fit: remote or hybrid format with flexible hours across international teams
• Paid leave: up to 20 vacation days + 8 company holidays + 5 personal days per year
• Recognition programs: structured performance reviews and team awards
• Team culture: retreats in international locations (for example, company apartments in Cyprus)