Qualysoft

Data Engineer

• Design and implementation of robust, scalable, and high-performance ETL/ELT data pipelines using PySpark/Scala and Databricks SQL on the Databricks platform;
• Strong expertise in implementing and optimizing the Medallion Architecture (Bronze, Silver, Gold) using Delta Lake, ensuring data quality, consistency, and historical tracking.
• Efficient implementation of the Lakehouse architecture on Databricks, combining best practices from traditional Data Warehousing and Data Lake paradigms;
• Optimization of Databricks clusters, Spark operations, and Delta tables (e.g. Z-Ordering, compaction, query tuning) to reduce latency and compute costs;
• Design and implementation of real-time and near-real-time data processing solutions using Spark Structured Streaming and Delta Live Tables (DLT);
• Implementation and administration of Unity Catalog for centralized data governance, fine-grained security (row- and column-level security), and end-to-end data lineage;
• Definition and implementation of data quality standards and validation rules (e.g. using DLT or Great Expectations) to ensure data integrity and reliability;
• Development and management of complex workflows using Databricks Workflows (Jobs) or external orchestration tools such as Azure Data Factory or Airflow to automate data pipelines;
• Integration of Databricks pipelines into CI/CD processes using Git, Databricks Repos, and Databricks Bundles;
• Close collaboration with Data Scientists, Analysts, and Architects to translate business requirements into optimal technical solutions;
• Providing technical mentorship to junior engineers and promoting engineering best practices across the team.

Senior Data Engineer – Banking

Security Engineer

• Conduct security design reviews and support the ongoing design of new infrastructure and endpoint solutions
• Identify technical control gaps, review security requirements, and provide remediation guidance
• Ensure the quality and consistency of security assessments across the organization
• Provide architectural and implementation guidance to developers and system owners to ensure adherence to security best practices
• Communicate technical control gaps and relevant attack scenarios to IT System Owners
• Articulate risks introduced by technical control gaps to Business Owners
• Collaborate with all Technology divisions, including cloud services, to perform security assessments across a diverse technology stack

Security Architect

Network Engineer

• Prepare and complete technical documentation such as LLD (Low Level Design) and Communication Matrix;
• Integrate the existing network with new technical solutions deployed in the Mobile Core PS area;
• Configure, validate, and commission Core PS equipment and services;
• Perform acceptance testing (functional and integration);
• Provide technical support to operations teams for troubleshooting and incident analysis;
• Analyze and resolve issues occurring during delivery and post-implementation phases;
• Collaborate with vendors, integrators, and internal technical teams;
• Ensure compliance with technical standards and operational procedure;
• Perform other role-specific activities depending on ongoing projects.

Mobile Network Engineer

Network Operations

• Own and manage the **end-to-end lifecycle of network tools and utilities**, from Proof of Concept through pilot, production deployment, ongoing maintenance, and decommissioning;
• Review, test, and validate **new versions of automation tools and utilities**, ensuring interoperability and compatibility with underlying enterprise infrastructure components;
• Validate network devices against automation and management tools, including **monitoring, configuration collection, and device modeling**, and ensure accurate representation in the Configuration Management Database (CMDB);
• Develop, maintain, and enhance **scripts and utilities** to support tool integration, certification, and ongoing maintenance activities;
• Deploy tools and utilities into **managed, high-availability, and geographically redundant data center environments;**
• Manage the **operational aspects of network automation and management tools**, including stability, availability, and lifecycle support;
• Execute a broad range of **DevOps engineering responsibilities**, and develop subject matter expertise in one of the following domains: *Network Automation, Fault Management, Configuration Management, Performance Management;*
• Act as a **team representative** in regular network management and operational review meetings;
• Serve as an **interface and coordination point** between Network Engineering, Network Operations, and Automation/Tooling teams;
• Coordinate and collaborate with **external vendors** regarding tooling defects, updates, patches, and upgrades;
• Participate in **network management design reviews and peer review processes.

Senior Data Engineer – Banking

Security Architect

Mobile Network Engineer

Network Monitoring – Tooling Engineer