Senior Data Engineer

Core Specialty Insurance Services, Inc.; Dallas (TX); Hybrid; USD 130,000 - 190,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

401(k) with company match

Employee Assistance Plan

Wellness program

Job summary

Core Specialty Insurance Services, Inc. in Dallas is seeking a Senior Data Engineer to lead and build data pipelines and platform improvements on a large-scale data platform supporting analytics and AI/ML.

This hands-on role requires strong technical leadership, mentoring, and collaboration with product and engineering to deliver reliable, scalable data products. You will work with Snowflake, Databricks, and cloud platforms, using Terraform and GitHub Actions for CI/CD.

Qualifications

• 7+ years in data engineering on large-scale platforms.
• Experience with data vault modeling and AI/ML data readiness.
• Bachelor's degree in related field or equivalent.

Responsibilities

• Design, build, and optimize data pipelines and platform components.
• Own high-complexity engineering initiatives end-to-end.
• Mentor engineers and enforce engineering best practices.
• Collaborate with product and engineering for data needs.

Skills

Data pipelines

System architecture

Python

Scala

SQL

Cloud platforms

Mentoring

Code reviews

CI/CD

Notebook-driven development

Education

Bachelor's degree

Tools

Snowflake

Databricks

Azure Synapse

Terraform

GitHub Actions

Job description

We are looking for a Senior Data Engineer to play a key senior technical role on our Data Engineering team, helping optimize and scale our existing large-scale data platform. This is a hands-on engineering role with a strong technical leadership component. You will design and build data pipelines and platform improvements while setting a strong technical example, reviewing the work of other engineers, and serving as a go-to resource for complex architecture and data engineering challenges. Reporting directly to the Director, Data Engineering, you will work alongside a small, focused team to build reliable, scalable data products and maintain a high-performing platform that supports evolving analytics and AI/ML needs. This role is well suited to an experienced data engineer seeking significant hands-on ownership, along with opportunities to mentor others and influence technical practices across the team.

Key Accountabilities/Deliverables

• Hands-On Engineering & Technical Ownership Design, build, and optimize data pipelines, ingestion frameworks, and platform components that support analytics, reporting, and downstream AI/ML use cases.
• Take direct ownership of high-complexity or high-risk engineering initiatives, from technical design through implementation and rollout.
• Identify and resolve performance, scalability, and reliability bottlenecks across the existing data platform.
• Contribute to the platform's AI/ML readiness by improving data models, governance, and access patterns (e.g., feature stores, curated datasets, streaming access).
• Diagnose and resolve complex production issues, including on-call support for critical data pipeline failures.
• Write clean, well-tested, well-documented code and infrastructure-as-code, and maintain strong engineering hygiene across your work.

Technical Leadership & Collaboration

• Act as a senior technical resource for the team, providing guidance on architecture, design patterns, and best practices.
• Conduct code and design reviews, helping raise the technical bar across the Data Engineering team.
• Partner closely with the Director, Data Engineering on technical design decisions, tooling evaluations, and platform roadmap input.
• Mentor other data engineers, sharing knowledge and helping develop their technical skills.
• Partner cross-functionally with Product and Engineering stakeholders to understand data needs and translate them into technical solutions.
• Help document standards, runbooks, and architectural decisions to support team scalability and knowledge sharing.

Other duties as assigned.

Technical Knowledge and Understanding

• Deep expertise in data pipeline design, optimization, and distributed data processing architectures with experience identifying and resolving performance and scalability bottlenecks
• Strong knowledge of cloud data platforms (AWS, Azure, or GCP) and modern data warehouse/Lakehouse architectures (Delta Lake, Iceberg)
• Strong working proficiency with at least two programming languages (Python, Scala, SQL)
• Solid understanding of data governance, security, and compliance practices in a regulated or enterprise environment
• Ability to troubleshoot and reverse engineer existing codebases and data pipeline
• Working knowledge of how data platforms enable AI/ML solutions

Experience

• Applicants must be authorized to work for any employer in the U.S.
• We are unable to sponsor or take over work authorization sponsorship now or in the future for this position.
• Bachelor's degree in related field or demonstrated equivalent experience in a related field required.
• 7+ years of experience in data engineering, with experience working on large-scale, mature data platforms.
• Demonstrated experience taking technical ownership of complex projects from design through delivery.
• Experience contributing to data platforms that support downstream AI/ML use cases (e.g., feature stores, curated/governed datasets, streaming access for model training and inference).
• Experience with IAC and CI/CD practices for data systems (i.e. Terraform, GitHub Actions).
• Strong experience writing code modular code with notebooks.
• Platforms: Hands on experience with Snowflake or Databricks, Azure Synapse Analytics/MS Fabric.
• Experience mentoring or informally guiding other engineers, even without formal people management responsibility.
• Experience optimizing the developer experience.
• Experience designing or implementing Agentic workflows for data engineering preferred.
• Experience working with Property & Casualty insurance carriers preferred.
• Experience with Data Vault 2.0 or Ensemble data modeling techniques preferred.
• #LI-Hybrid - At Core Specialty, you will receive a competitive salary and opportunities for professional development and advancement.

Benefits

• We offer medical, dental, vision, and life insurances;
• short and long-term disability;
• a Company-match of 100% of a 6% contribution 401(k) plan;
• an Employee Assistance Plan;
• Health Savings Account, Flexible Spending Account, Health Reimbursement Account, and a wellness program

Core Specialty offers a diversified range of property and casualty insurance products for small to mid-sized businesses. From underwriting offices spanning the U.S., the Company focuses on niche markets, local distribution, and superior underwriting knowledge, offering traditional as well as innovative insurance solutions to meet the needs of its customers and brokers.

For further information about Core Specialty, please visit www.corespecialtyinsurance.com. In compliance with the Transparency in Coverage rule, issued in 2020 by US Departments of Health, Human Services, Labor and Treasury our health plan's machine-readable files (MRFs) can be accessed via www.Cigna.com.