Senior Data Engineer

About the Position

Your journey matters – start it with us

At Avenga, we believe that human creativity empowers technology that matters. Operating globally, our 6000+ specialists provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and UI design, managed services, product development, and software development.

This is the job

In Bulgaria we're looking for a senior-level data engineering role focused on banking and payments systems.

The job involves analyzing complex financial data flows, designing and maintaining data mappings between systems, and building scalable data pipelines using Spark (Scala/Python), SQL, and GCP (especially BigQuery/Dataform).

It is strongly oriented toward enterprise banking environments, requiring close collaboration with business stakeholders, documentation of system/data architecture, testing/QA, and working in agile teams.

Responsibilities

• Technical analysis and documentation of complex data flows and system architectures in a payments processing environment
• Creation and maintenance of data mappings between source and target systems in distributed Big Data environments
• Close collaboration with business and IT departments for requirements gathering and implementation
• Development and optimization of data pipelines using Spark-Scala and SQL on Google Cloud Platform
• Modelling and implementation of Dataform transformations and integration into existing cloud architectures
• Management and monitoring of batch processes via automation tools (UC4)
• Independent execution of testing and quality assurance activities
• Preparation of status reports and presentation of results to stakeholders
• Active participation in agile team ceremonies and Scrum processes

Requirements

• Minimum 3+ years of relevant experience as a Business Analyst or Data Mapper – ideally at a major bank
• Very strong background in technical analysis and design of data solutions
• Extensive expertise in payments and transaction processing
• Very strong knowledge of distributed system architectures and Big Data environments (Hadoop)
• Very strong hands-on experience with Spark-Scala and SQL
• Solid knowledge of cloud technologies, preferably GCP and Dataform
• Experience with automation tools such as UC4 is an advantage
• Experience in test execution and quality assurance
• Fluent English (written and spoken); basic German is an advantage
• Strong communication skills, assertiveness, and ability to work independently
• Proven experience collaborating across multiple business and IT departments
• Comfortable working in agile project environments

We Offer

Through our values – Better Minds, Bolder Ideas, and Bigger Hearts – we strive to provide you with the tools, autonomy, trust, and assistance you need to excel. Enjoy benefits like private health insurance, well-being programs, flexible and hybrid work models, laptops and gear, training opportunities, language classes, social events, and more.

At Avenga, everyone matters. We provide equal opportunities in recruitment, career development, and leadership, regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to fostering a work environment where our diverse community of employees, candidates, and business partners actively shapes our growth. By bringing together people from different backgrounds and experiences, we build a workplace where everyone feels free to be themselves while honoring the boundaries of others.

Locations

• Sofia, Bulgaria
• Fully Remote

Application Process

1. APPLICATION: Send us your application, we are ready to hear your story and explore how we can grow together.
2. REVIEW: Our team carefully reviews every application with curiosity and care.
3. TALENT ACQUISITION INTERVIEW: You will meet our Talent team to talk about your goals and learn more about who we are, what we offer, and how we support our people.
4. TECHNICAL INTERVIEW: Our tech interview is all about diving deeper into your expertise and understanding your strengths, how you solve problems, and how you think – no trick questions, just a meaningful conversation.
5. CUSTOMER INTERVIEW: For some roles, especially when our clients are closely involved, you might also have a conversation with them – it’s a chance for everyone to align and get to know each other better.
6. JOB OFFER: If we both feel it’s the right match, we will send you an offer to join us. And even if it’s not the time just yet, you’ll always hear back from us.
7. WELCOME!: Your new team is excited to meet you, support you, and build something great together. Let’s make your first day the start of a journey that shapes a career that matters.