Sr Data Engineer

Job Description

Role: Senior Data Engineer

Experience required: 7 to 15 Overall

Hybrid – 3 days to Dublin office

2 rounds of Interview with client (1 would be b Teams & final will be face to face)

Overview 

Are you passionate about building scalable data solutions and ensuring data integrity in high-impact financial technology? Do you thrive in solving complex data challenges while maintaining rigorous quality standards?

Join the team behind Crypto Secure, a cutting-edge risk assessment platform helping banks gain visibility into crypto spend, transaction volumes, and AML risk exposure. Working with modern technologies like Snowflake, Hadoop, Spark, NiFi, and cloud-native architectures, you’ll play a dual role: designing robust data pipelines and implementing comprehensive testing strategies to guarantee reliability and trust.

Role Responsibilities

Data Engineering & Platform Development

• Design, build, and maintain scalable data pipelines using Snowflake, Hadoop, Spark, NiFi, and related big data technologies.
• Implement data architectures and optimize workflows for massive financial datasets.
• Write high-quality, maintainable code in Python and SQL following best practices.
• Integrate data governance principles, metadata management, and lineage tracking into solutions.

Data Quality Assurance & Testing

• Develop automated testing frameworks and validation scripts for ETL processes and data transformations.
• Implement data quality checks, reconciliation processes, and regression testing suites to ensure accuracy, completeness, and timeliness.
• Perform unit, integration, and end-to-end testing for data pipelines and schema changes.
• Use tools like dbt tests, custom Python utilities for automated validation.

Collaboration & Agile Delivery

• Work closely with Data Engineers, Product, and Data Science teams to embed testing into the development lifecycle.
• Participate in agile ceremonies (sprint planning, backlog refinement, retrospectives) with a focus on quality and delivery.
• Support production incident response with rapid data validation and root cause analysis.

Continuous Improvement

• Stay current with emerging data engineering and testing technologies.
• Contribute to team knowledge sharing, mentoring junior engineers, and improving technical standards.
• Shape best practices for data reliability, testing automation, and CI/CD integration.

Skills & Qualifications

Core Technical Expertise

• Advanced SQL and experience with relational and NoSQL databases.
• Strong experience with Snowflake, Hadoop, Spark, Databricks, Kafka, and cloud data platforms.
• Proficiency in Python for both data engineering and test automation.
• Familiarity with orchestration tools and workflow management systems.

Testing & Quality

• Proven experience in data testing methodologies, ETL validation, and automated testing frameworks.
• Knowledge of data profiling, anomaly detection, and statistical validation techniques.
• Experience integrating testing into CI/CD pipelines.

Professional Attributes

• Strong problem-solving and analytical skills with attention to detail.
• Excellent communication skills for cross-functional collaboration.
• Ability to work independently and manage multiple priorities in fast-paced environments.

Why You’ll Love This Role

• Work on cutting-edge fintech solutions at the intersection of cryptocurrency, risk management, and compliance.
• Combine engineering and quality expertise to deliver trusted, high-performance data platforms.
• Collaborate with talented engineers and data scientists in a culture that values technical excellence and continuous learning.
• Opportunities for career growth in both data engineering and data quality leadership.