At myPOS, we’re all about helping businesses grow and get paid. We make payments simple, smart, and accessible for everyone, but we’re more than just payment solutions - myPOS is a partner in growth. From free multicurrency accounts to powerful e-commerce tools, we’re here to support business owners of all sizes and everyone out there who dreams of starting their own business.

As we are expanding our team, we’re looking for Senior Data Engineer to help us make a real difference in the Fintech industry. Ready to join us and shape the future of payments? Let’s make it happen!

About the role:

As a Senior Data Engineer, you’ll design, build, and operate scalable, reliable data pipelines and data infrastructure. Your work will ensure high-quality data is accessible, trusted, and ready for analytics and data science - powering business insights and decision-making across the company.

What you’ll do:

• Build and maintain data pipelines for ingestion, transformation, and export across multiple sources and destinations

• Develop and evolve scalable data architecture to meet business and performance requirements

• Partner with analysts and data scientists to deliver curated, analysis-ready datasets and enable self-service analytics

• Implement best practices for data quality, testing, monitoring, lineage, and reliability

• Optimize workflows for performance, cost, and scalability (e.g., tuning Spark jobs, query optimization, partitioning strategies)

• Ensure secure data handling and compliance with relevant data protection standards and internal policies

• Contribute to documentation, standards, and continuous improvement of the data platform and engineering processes

• Ensure secure, compliant handling of data and models, including access controls, auditability, and governance practices

• Build and maintain MLOps automation: CI/CD for ML, environment management, artifact handling, versioning of data/models/code

This role is perfect for you if you have: 

• Bachelor’s degree in Computer Science, Engineering, or a related technical field (or equivalent practical experience)

• 6+ years of experience as a Data Engineer, building and maintaining production-grade pipelines and datasets

• Strong Python and SQL skills with a solid understanding of data structures, performance, and optimization strategies

• Hands-on experience with orchestration (like Airflow, Dagster, Databricks Workflows) and distributed processing in a cloud environment

• Experience with analytical data modeling (star and snowflake schemas), DWH, ETL/ELT patterns, and dimensional concepts

• Experience building reliable incremental data ingestion pipelines from DBs and APIs.

• Familiarity with at least one major cloud provider (GCP, AWS, Azure) and deploying data solutions in the cloud

• Familiarity with CI/CD for data pipelines, IaC (Terraform), and/or DataOps practices

• Strong troubleshooting mindset: ability to debug issues across data, infra, pipelines, and deployments

• Collaborative mindset and clear communication across engineering, analytics, and business stakeholders

Nice to have / big advantage

• Strong GCP experience and ecosystem knowledge: BigQuery, Composer, Dataproc, Cloud Run, Dataplex, Cloud Storage

• Experience with data governance concepts: access control, retention, data classification, auditability, and compliance standards

• Experience building observability for data systems (metrics, alerting, data quality checks, incident response)

• Knowledge of model monitoring concepts: drift, data quality issues, performance degradation, bias checks, and alerting strategies

Why you should join myPOS:

• Vibrant international team operating in hi-tech environment

• Annual salary reviews, promotions and performance bonuses

• myPOS Academy for upskilling and training

• Unlimited access to courses on LinkedIn Learning

• Annual individual training and development budget

• Refer a friend bonus as we know that working with friends is fun

• Teambuilding, social activities and networks on a multi-national level

What we offer:

• Excellent compensation package

• 25 days annual paid leave (+1 day per year up to 30)

• Full “Luxury” package health insurance including dental care and optical glasses

• Meal vouchers of 102.26 EUR per month

• Fully covered Multisport card

• Fully covered public transport pass for Sofia

• Free coffee, snacks and drinks at the office

Who we are:

Since 2014 we’ve been all about making payments easier and more accessible for businesses of all shapes and sizes. Whether you’re at the counter, selling online, or on the move, we’ve got businesses covered with smart, accessible and affordable solutions that keep things easy.

Our mission? It’s simple. Help businesses get paid by taking advantage of modern tech and innovative ideas, so payment challenges are a thing of the past.

Pro tip:

Take it easy about meeting every requirement - this job description is just that, a job description! Even if you don’t tick every box, we want you to apply anyway! This is your chance to grow, learn, and build your career with us. We value potential over perfection, and we are all about mutual growth!

Apply by filling in the form below and send your CV in English!

myPOS is committed to providing equal employment opportunities. All qualified candidates will be considered for employment without discrimination based on age, ancestry, color, marital status, national origin, physical or mental disability, medical condition, veteran status, race, religion, sex, sexual orientation, gender identity or expression, or any other characteristic protected by applicable laws, regulations, and ordinances.

Your application will be confidentially reviewed in line with the General Data Protection Regulation (GDPR). Personal information will be used solely for the job application and will be stored for a period needed by the application process. Only short-listed candidates will be contacted. Good luck!