GCP Freelance Senior ETL / Data Engineer

Company Description

ThreatXIntel is a startup specializing in cyber security, dedicated to helping businesses and organizations safeguard their digital assets. We offer a range of tailored and cost-effective services, including cloud security, web and mobile security testing, cloud security assessment, and DevSecOps. Our proactive approach involves continuous monitoring and testing to identify and address vulnerabilities before they are exploited. At ThreatXIntel, we are committed to delivering high-quality solutions to meet the unique needs of our clients and ensure their peace of mind.

Role Description

We are looking for a highly experienced Freelance Senior ETL / Data Engineer to design, build, and optimize large-scale data pipelines and backend data systems. This role is suited for engineers with deep ETL specialization, strong Python and SQL skills, and a heavy database project background.

Key Responsibilities

• Design, develop, and maintain scalable ETL and data ingestion pipelines

• Build pipelines for non-traditional data acquisition including web scraping, API ingestion, and external data sources

• Develop Python-based data processing and automation frameworks

• Write and optimize complex SQL queries for data transformation and validation

• Design and optimize database schemas and data models

• Build backend services and APIs supporting data platforms and search systems

• Ensure data quality, reliability, and performance across pipelines

• Collaborate with stakeholders to understand internal systems and data flows

Required Skills and Experience

• 8+ years of hands-on experience in ETL, data engineering, or backend data platforms

• Strong Python expertise with a data-first mindset

• Advanced SQL skills with experience in performance tuning

• Deep experience working on database-heavy projects

• Hands-on experience with MongoDB and NoSQL data stores

• Familiarity with cloud databases such as DynamoDB, Redshift, Spanner, Bigtable, or similar

• Strong backend orientation including API design and database modeling

• Experience working with large-scale, production data pipelines

Cloud and Platform Preferences

• Google Cloud Platform preferred

• AWS experience acceptable

• Experience in multi-cloud or hybrid environments is a plus

Additional Notes

• Strong ETL specialization is mandatory

• This is not a generic backend or full-stack role

• Domain knowledge of complex internal systems is valuable for faster ramp-up