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Senior Data Engineer

Bratislava, Slovakia

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Analyze data sets of millions of customers - and uncover groundbreaking solutions that have a global impact.

"You get to work on multi-million dollar projects from day one using the latest technology, and there are many training opportunities if you want to learn something new."

Sang Han — Senior Data Scientist


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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 200,000 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) organisation, is responsible for building software-based products, services, and platforms that our customers love and need.  Engineer must have an entrepreneurial mindset, and harness technology to infuse software engineering expertise, to deliver revenue and cost savings opportunities.

Job Overview:
We are hiring a highly skilled Senior Data Engineer / Data Architect to join our organization. The successful candidate will be responsible for designing, building, and maintaining scalable data storage solutions that enable efficient and accurate processing of data from various sources meeting business requirements.

The role requires strong technical skills in data management, data security and data architecture. The successful candidate will collaborate with cross-functional teams and provide technical leadership on data-related decisions.

Core Responsibilities:
o    Develop and implement data management policies and procedures.
o    Design, build, and maintain data store systems that support business operations.
o    Manage Database schema, SQL tuning.
o    Ensure the availability, security, and integrity of the data stores.
o    Identify data store requirements and design solutions to meet those requirements.
o    Provide technical leadership on data-related decisions and ensure adherence to data governance policies.
o    Create and maintain relevant documentation for data store systems, processes, and procedures.
o    Assess and implement new data store technologies, methodologies, and tools to improve performance and efficiency.
o    Excellent communicator and writer

Skills, Knowledge, and Experience:
•    5-7+ years of experience in data store engineering, data architecture, or a related field.
•    Proven experience with data modeling and database design.
•    Experience with SQL and NoSQL data stores – Oracle, MariaDB, PostgreSQL and MongoDB are preferred.
•    Familiarity with cloud-based data store platforms – Azure preferred.
•    Experience with software developer platforms (such as Git, Docker, Jenkins, DevOps, etc.)
•    Strong problem-solving skills, excellent troubleshooting skills, and being open-minded and passionate about solving problems vs. using one specific solution in all situations.
•    Experience building processes and documentation to enhance governance.
•    Experience with ServiceNow platform is a plus.

Education qualifications:  
Bachelor level degree or equivalent in Computer Science, Engineering, or related field of study.

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 are a part of the team, you will 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 an extra days off (…and much more).

Location: We are hiring in all of our Central European locations: Bratislava / Kosice / Brno / Katowice.
This is a hybrid-flex worker position where our preference is for you to be present with your team in the office at least 1-3 times per week. Travel between our locations in Brno/Bratislava is expected from time-to-time.

Working hours: 
EMEA, approx. 9am-5,30pm (with some flexibility)

Salary for Slovakia starting from 3 800€ gross monthly. 
The actual offered salary may be considerably higher based on your skills, knowledge, and experience.

Ready to find out more? Apply today!

Job ID 2318889I-3 Date posted 09/06/2023
Apply Now


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.


When it comes to priorities, we know family tops the list. For the moments that matter the most, you'll be there for them, and we'll be here for you.

Family Leave

Paid Time Off

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.

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.

Training & Development

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).


Give back to your community and connect with colleagues through social and team-building events, and annual paid time off for volunteer efforts of your choice.

Community & Team Events

The Hiring Process

Step 1

Complete a quick application online and check your status often.

Step 2

Virtual or in-person

Dress professionally and ensure good WiFi interviewing virtually.

Step 3

Job Offer

After a background check, you're part of the team.

Step 4

Welcome! Onboarding
and Training Begins

Our training and certification programs set you up for success.

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