Data Engineer
Job Description
Key Skills Required
Master these to land this role
Want to know if you're a match for this job?
We are looking for a Data Engineer to join our team and help build and maintain scalable data pipelines and data warehouse solutions.
In this role, you will work with large datasets, design efficient data processing workflows, and ensure the reliability and performance of our data platform.
Since 2007, MMDSmart has been a leading supplier in cloud-based business communications, delivering game-changing IT products to businesses in over 100 countries. Our success is fueled by the inspiration and innovative ideas of our team members, encouraging their growth and impacting our Messaging and Voice solutions. These empower our clients to communicate more effectively with their customers. Don’t miss this chance to excel in a rapidly expanding tech company, where your potential and ambitions are not just recognized, but celebrated.
Requirements
What will you do at MMDSmart?
- Design, build, and maintain data pipelines for batch and streaming data processing;
- Develop and optimize ETL workflows using Python and SQL;
- Build and maintain Airflow DAGs for orchestration of data workflows;
- Implement data transformations and data quality checks;
- Optimize BigQuery queries and data models for performance and cost efficiency;
- Troubleshoot and improve reliability of existing pipelines;
- Collaborate with analysts and engineering teams to support data needs.
You are a perfect match if you have:
- 4+ years of experience as Data Engineer;
- Strong experience with SQL and Google BigQuery;
- Experience building data pipelines and ETL processes;
- Solid knowledge of Python for data processing;
- Hands-on experience with Apache Airflow;
- Experience working with large datasets;
- Understanding of data modeling and data warehouse concepts;
- Experience with query optimization and cost-efficient data processing;
- Experience with data pipeline monitoring and observability;
- Lannguage knowledge: fluency in Russian and English.
Nice to have:
- Experience with Kafka or streaming data pipelines.
You will primarily focus on:
- Building and maintaining data pipelines;
- Batch and streaming data processing;
- Data transformation and orchestration;
- Performance and cost optimization.
Our Tech Stack
- Google BigQuery;
- Python;
- Apache Airflow;
- Apache Spark (PySpark).
The role does not involve DevOps, ML, or BI development.
Benefits
Why do talents choose and stay at MMDSmart?
Embrace the opportunity to work in a company that cares about:
Your Wellness: Access to mental health programs, comprehensive medical insurance, and a sports card*.
Your Happiness: Enjoy the company of cool teammates, a friendly atmosphere, a strong mentorship, and a variety of bonuses & corporate gifts.
Your Development: Benefit from free educational events & courses, and English classes with native speakers.
Your Career: Focus on your professional development in a supportive environment.
Work-Life Balance: Choose your working format - remote, office-based, or hybrid and engage in team-building activities.
Think this role's got your name on it? Go ahead and apply, we'd love to see what you've got!
Equal-Opportunity Employment
We are an equal opportunity employer committed to creating a diverse and inclusive work environment. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.
*Medical Insurance and Sport Card perks are available for employees located in Bulgaria.
How would you rate this job post?
See what other professionals think about this role.
Similar Opportunities
Senior Python Data Scraping Engineer (Freelance) - Tendem Project
mindrift
CyprusSenior Python Data Scraping Engineer (Freelance) - Tendem Project
mindrift
Bulgaria🌍CzechiaSenior Business Analyst
Netguru
PolandData Solutions Specialist – SQL & ETL/ELT Migration Expert
Future Processing
GliwiceMore Openings at MMDSmart
Explore Top Companies in this Space
Intergo Telecom
Telecommunications / CPaaS / Cloud Communications
The Honest Company
Consumer Goods / Ecommerce / Personal Care / Sustainability
AppFollow
Software Development / App Store Optimization / Review Management / Enterprise Software
ChartHop
Enterprise Software / People Analytics / HR Technology / Organizational Intelligence
MMDSmart
View Company ProfileMMDSmart is a premier, enterprise-grade cloud communications and CPaaS (Communications Platform as a Service) provider engineered to orchestrate massive-scale messaging, voice, and engagement ecosystems. Operating as a tech-enabled global connectivity hub, the company eliminates the operational friction of traditional, legacy telecommunications models—which frequently suffer from inconsistent route quality, delayed OTP (One-Time Password) delivery, and fragmented multi-channel visibility—by seamlessly deploying advanced smart-routing telemetry, rigorous carrier-grade messaging architectures, and cohesive cross-channel engagement frameworks. Moving beyond rigid legacy wholesale-telecom paradigms, MMDSmart empowers global enterprises, mobile operators, and Tier-1 organizations to dynamically synchronize their SMS (A2P), voice-callback, and AI-enabled chatbot pipelines with elite, scalable, and audit-ready execution. Under the hood, their sophisticated proprietary operational infrastructure—built on a foundation of 180+ countries of coverage—natively manages complex high-volume traffic ingestion, instantaneous sentiment-analysis routing, and automated conversion-focused communication workflows, providing the necessary operational foundation to support critical business interactions. What sets MMDSmart apart is its uncompromising dedication to frictionless communication-orchestration; by bridging the gap between highly technical, performance-intensive telecom infrastructure demands and accessible, high-velocity digital-engagement interfaces (such as MessageWhiz), the firm empowers modern organizations to radically accelerate their customer-conversion velocity, eliminate systemic communication bottlenecks, and build an unassailable foundation for continuous commercial and institutional dominance in the modern, AI-transformed global-telecom landscape.
Safety First
- Never pay for a job application.
- Do not share sensitive bank info.
- Verify the client before starting work.


