Tietoevry Create is inviting a talented Data Engineer to join our growing team and support our customer BICS, a global telecommunication enabler with a physical network spanning the globe.

In this role, you will work on the BICS Voice and CC Value Streams, delivering qualified customer and network support by designing, building, and optimizing large-scale data pipelines within the telecom domain.

The position requires strong expertise in Scala Spark, Databricks, and AWS cloud services, and focuses on developing high-performance data platforms that enable network analytics, customer insights, real-time monitoring, and regulatory reporting. Key ResponsibilitiesDesign, develop, and maintain scalable batch data pipelines using Scala, Databricks Spark, Databricks SQL and AirflowImplement optimized ETL/ELT processes to ingest, cleanse, transform, and enrich large volumes of telecom network, usage, and operational dataEnsure pipeline reliability, observability, and performance tuning of Spark workloadsBuild and manage data architectures leveraging AWS services (such as but not limited to) S3, Lambda, IAM, and CloudWatchImplement infrastructure-as-code using TerraformEnsure security best practices and compliance with telecom regulatory

requirements

(GDPR, Data sovereignty, retention)Collaborate with cross-functional teams (Architecture, DevOps, Network Engineering, Business Intelligence)Document system designs, data flows, and best practices

Requirements

4+ years of experience as a Data Engineer or Big Data DeveloperStrong proficiency in Scala and functional programming conceptsAdvanced experience with Apache Spark (batch processing using Data Frame API and low-level Spark API's, performance tuning, cluster optimization)Experience with optimized SQL-based data transformations for analytics and machine learning workloadsHands-on experience with Databricks including notebooks, jobs, Delta Lake, Unity Catalog, and MLflow (nice to have)Solid understanding of CI/CD practices with Git, Jenkins/Gitlab ActionsStrong AWS skills: S3, Lambda, IAM, CloudWatch, and related servicesKnowledge of distributed systems, data governance, and security best practicesExperience with Airflow integration with AWS services for end-to-end orchestration across cloud data pipelinesExperience with IaC tools: Terraform or CloudFormationExperience with Python is a PlusExperience with DBT is a PlusExperience with Snowflake is s PlusSoft SkillsStrong analytical and problem-solving skillsHigh degree of ownership and a mindset for continuous improvementQuality oriented, pragmatic and solution orientedExcellent communication and teamwork abilitiesAbility to translate business

requirements

into technical solutionsExperience in telecom sector is a plusExperience with an agile way of working is a plusEnglish proficiencyAt Tieto, we believe in the power of diversity, equity, and inclusion.

We encourage applicants of all backgrounds, genders (m/f/d), and walks of life to join our team, as we believe that this fosters an inspiring workplace and fuels innovation.

Our commitment to openness, trust, and diversity is at the heart of

our mission

to create digital futures that benefit businesses, societies, and humanity. Diversity, equity and inclusion (tietoevry. com).