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At AT&T we’re redefining the future of communication by connecting people to greater possibility - with expertise, simplicity, and inspiration. At the heart of our purpose lies a diverse workforce of 140,000 people and a culture that aspires to serve customers first, act boldly, move faster, and win as one.
Our Product Development group, part of AT&T’s Technology Services (ATS) organization, is responsible for building software-based products, services, and platforms that our customers love and need. Harnessing technology and rebuilding software expertise, the team is inspiring simplicity with projects that deliver revenue and cost savings opportunities.
AT&T continues to expand and modernize its high-volume data warehousing and analytics platforms. We are looking for a Senior Data Engineer to design, build, and optimize enterprise-scale ETL/ELT data pipelines in a high-volume data warehouse ecosystem. The ideal candidate brings strong technical expertise in large-scale data movement patterns and performance tuning, along with functional understanding of telecommunications domains such as billing, product, customer, and operational interfaces.
Main requirements:
Strong expertise in Python, Databricks, Snowflake, Kafka, Spark, and databases, including building scalable batch and streaming pipelines, data modeling, and data quality practices.
Big plus: Strong experience leveraging agentic solutions practices to improve productivity, reduce defects, and accelerate delivery timelines.
As a Senior Data Engineer, you will design, develop, and maintain scalable ETL/ELT pipelines for large-volume enterprise data and support robust data quality checks and governance practices end-to-end.
Core Responsibilities:
Collaborate with lead data engineers to understand requirements and translate business needs into technical implementation plans.
Develop and maintain scalable ETL/ELT pipelines for large-volume enterprise data in Snowflake (or similar platforms).
Implement and operate data loading frameworks (batch, incremental, CDC, micro-batch, and streaming where applicable) with clear SLAs and operational observability.
Build and maintain automation for ingestion, transformation, testing, deployment, and monitoring across data lifecycle stages.
Implement and maintain data quality checks, reconciliation controls, and metadata/lineage standards to support production-grade reliability.
Leverage AI-fueled coding (AIFC) practices to improve productivity, reduce defects, and accelerate delivery timelines.
Participate in code reviews, contribute to best practices, and mentor medior engineers on data engineering technologies and frameworks.
Technical Skills:
Strong experience with Python and databases (SQL/NoSQL) for building production-grade data solutions.
Strong experience with Databricks and Spark for batch and streaming processing.
Strong experience with Snowflake for data warehousing, performance optimization, and secure data access.
Strong experience with Kafka and real-time streaming data integration patterns.
Strong experience with cloud, Docker, and CI/CD practices for scalable, reliable deployments.
Strong experience with AI-powered IDEs and tools (e.g., Visual Studio, GitHub Copilot, Windsurf, Cursor).
Strong analytical, problem-solving, and communication skills.
Years of experience:
3+ years of data engineering experience, with hands-on experience designing, building, and operating production-grade ETL/ELT pipelines using Snowflake, Databricks, or similar data platforms and frameworks.
Education:
Bachelor level degree or equivalent in Computer Science, or related field of study.
Compensation:
Salary range for Slovakia is between 3 841EUR - 5 766EUR gross per month.
Salary range for Czech Republic is between113 308CZK - 169 958CZK gross per month.
The individual starting salary within this range will depend on relevant factors such as the candidate’s experience, expertise, skills, and education or training.
Benefits:
A career with us, a global leader in communications and technology, comes with big rewards. We offer a competitive salary plus an annual company performance bonus. Once you’re a part of the team, you’ll gain some amazing perks and benefits including wellness & leisure time contribution, sickness compensation plan, premium medical services, family friendly benefits as well as meal contribution and extra days of vacation (…and much more).
Location:
This is a hybrid-flex worker position where our preference is for you to be present with your team in the office at least 2 days per week.
Ready to find out more? Apply today!
Weekly Hours:
Time Type:
It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.
Invested in your satisfaction and continued success.
We take care of our own here (hint: that could be you). Our benefits and rewards mean we cover some of your biggest needs with some of the coolest offerings. We already think we’re a pretty great place to work. We’re just trying to rack up some bonus points.
Let’s start with the big one: Your work gets rewarded with competitive compensation and benefits. It really does pay to be on our team.
Vacation? Staycation? Heck, let’s take a road trip. On top of paid holidays, chill out with paid time off (PTO) that you can spend any way you want.
Our people have class. Literally. We can help you out on approved education costs with our tuition assistance plan.
Here’s another reason to breathe easy: You and your family get access to excellent medical, dental and vision insurance options.
Wanna make your friends really jealous? You’ll get discounted access to the latest and greatest AT&T products and services — plus other awesome items, like tickets to live events.
You strike us as an over-achiever (don’t worry, it’s a compliment). Our training and development programs are your ticket to expert status in your job.
When the day comes that you get some much needed R&R (not that you’d ever want to leave #LifeAtATT) you’ll know your future is set with the AT&T Retirement Savings Plan (ARSP).
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