Senior Data Engineer

Job ID: 111746
Location: Dallas, Texas  [Flex]
Category: App/Dev
Employment Type: Contract
Date Added: 01/27/2026
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The Opportunity:
We are seeking a highly skilled Senior Data Engineer to lead the development, optimization, and management of complex data pipelines and platforms. You will work closely with cross-functional teams to enable advanced analytics, drive data-driven insights, and support strategic initiatives.

Key Responsibilities:

  • Design, develop, and maintain scalable data pipelines using Python, SQL, and modern ETL tools to ensure efficient data flow and integrity.
  • Optimize database performance and write complex SQL queries, including joins, window functions, and aggregations, for both transactional and analytical purposes.
  • Translate stored procedures and data models into robust Python code, ensuring maintainability and scalability.
  • Build and maintain APIs, including GraphQL, to support data integration and application needs.
  • Collaborate with frontend teams to develop interactive dashboards and visualizations using React, TypeScript, and tools like Highcharts, Recharts, and AG Grid.
  • Implement caching strategies with Redis to improve performance and responsiveness of data services.
  • Work in an Agile environment, participating in sprint planning, code reviews, and daily standups to deliver high-quality solutions efficiently.
  • Leverage cloud and containerization technologies like Docker, Kubernetes, and Snowflake to ensure scalable and secure data infrastructure.
  • Stay current with industry best practices and emerging technologies to continuously improve systems and processes.

Required Technical Skills:

  • Python Development (Advanced): pandas, Polars, NumPy, Jupyter Notebooks, data pipeline design, object-oriented programming, pytest.
  • SQL & Data Modeling (Advanced): complex SQL, data warehouse concepts, performance tuning, translating stored procedures into Python.
  • GraphQL (Intermediate): constructing and optimizing queries, API integration.
  • Frontend & Visualization (Intermediate-Advanced): React, TypeScript, Next.js, Highcharts/Recharts, AG Grid, Tailwind CSS, PDF report generation.
  • Caching & Performance: Redis implementation, cache invalidation, performance profiling.

Highly Desired Skills:

  • Financial services experience: understanding investment positions, P&L, NAV, valuations.
  • Data orchestration tools: Airflow, Astronomer, Luigi, JAMS.
  • API development: REST/GraphQL APIs.
  • Version control and collaboration: Git workflows, code reviews.
  • Agile methodologies: sprint planning, story estimation.

Nice-to-Have Skills:

  • Knowledge of Geneva Investment Management System and custodian data formats (StateStreet, BNY Mellon).
  • Java experience to better understand backend APIs/integrations.
  • Cloud and container experience: AWS, Snowflake, Docker, Kubernetes.
  • Workflow orchestration tools: Camunda, others.
  • ETL tools: Microsoft SSIS, SSRS, or similar.
  • Financial reporting UI development and PDF generation.
Pay Rate: $70.00 – $75.00 Hourly 

 

 

About GDH:
At GDH, we believe in the power of people and the importance of caring. Our culture statement, “We care about people,” isn’t just a tagline – it’s the core of everything we do. GDH is a premier staffing and talent solutions company dedicated to helping businesses find the best talent and assisting job seekers in finding their dream jobs.

Who We Are:
GDH, founded in 2001, has grown into a leader in providing staffing solutions across various industries. We specialize in IT across several sectors, connecting top talent with leading enterprises. As a Best of Staffing firm recognized for excellence in client, employee, talent, and women’s services, we pride ourselves on our commitment to quality and service.

GDH Benefits

GDH offers a range of employee benefits that are designed to promote well-being and help maintain a healthy work-life balance. These comprehensive benefits cover various aspects of an employee’s life and aim to enhance their overall experience with the company. Our health benefits include three medical insurance options with access to KISx Card, Zero Card, and HealthJoy concierge services. Other plan offerings include dental, vision, life, disability, supplemental insurance, and pet insurance plans. Enjoy additional perks like holiday pay, 401(k) plan, direct deposit, an employee referral program, work-life balance benefits, a Wellbeats membership, a discounted gym membership program, and more!  For more detailed information on benefits, please go to GDH’s website under the tab for candidates.

GDH provides equal employment opportunities (EEO) to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, gender, sex (including pregnancy), sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, ancestry, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable federal, state, and local laws. Applicants with disabilities who require an accommodation or assistance in applying and/or for interviewing, please contact our HR Department.

Please visit our notice of collection for California applicants.

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