
Data Engineer - Senior
SOFTSWISS · Warszawa, Poland · Beograd, Serbia · Poznań, Poland +2 · Remote
- Software & SaaS
- 1,001–5,000 employees
- St. Julian's, Malta
Strong hiring record · median 41 days open
All reasons
In its favour
- Posted today
- Still listed on the employer's own board
## Overview
**We invite you to join our Data Platform team** — building the data infrastructure that powers analytics and insights for SOFTSWISS. We process enterprise-scale data and serve multiple internal teams across the company.
In this role, you'll have the opportunity to
- Work with modern data stack and AI tools to build complex solutions
- Design solutions to technical challenges and influence platform architecture
- Research, develop and integrate new data processing tools and technologies
## Key responsibilities
- Build business-critical, robust and self-service data products using Apache Spark, Kafka, Delta Lake and other big data technologies
- Ensure pipeline performance and data quality through scalable architecture and optimization
- Refine data solutions as business requirements and technical constraints evolve
- Collaborate with teams to understand data needs and support adoption of data products across the company
## Required Experience
- 5+ years of software engineering experience with expertise in development, deployment, and integration
- Proficiency in at least one high-level programming language (Scala, Java, Python or equivalent)
- Experience in data environments, such as Data Lakes, Data Warehouses, Data Marts, Data transformation concepts and working with large data volumes
- Experience in building ETL pipelines to perform feature engineering on large-scale datasets using Apache Spark and Delta Lake
- Experience with sourcing and modelling data from application APIs
- Experience with building stream-processing applications using Spark-Streaming, Kafka Streams or others
- Experience designing and implementing monitoring, alerting, and observability solutions for data pipelines using Prometheus, Grafana, Alertmanager or others
- Strong analytical and problem-solving skills
- Upper-intermediate proficiency in English and strong command of Russian
## Nice to have
- Experience with workflow orchestration tools such as Apache Airflow
- Experience with Kubernetes and containerization
- Familiarity with cloud platforms (AWS, GCP, Azure, OCI)
- Familiarity with CDC and Debezium
- Familiarity with Clickhouse
- Familiarity with data quality validation frameworks for data pipelines
- Familiarity with Data Lineage
- Familiarity with low-latency NoSQL datastores (such as HBase, Cassandra, MongoDB), Relational databases (such as MySQL, Postgres) and Search systems (such as ElasticSearch, Solr)
- Masters, PhD, or equivalent experience in Software Engineering, Mathematics or Computer Science
## Our Benefits
- Private health insurance
- Sports benefits
- Comprehensive Mental Health Program
- Free English lessons (online)
- Local language courses
- Paid time off
- Maternity leave support
- Referral program rewards
- Upskilling, internal workshops, and participation in professional conferences and corporate events
Skills
- Spark
- Kafka
- Delta Lake
- Scala
- Java
- Python
- ETL
- Kafka Streams
- Prometheus
- Grafana
- Airflow
- Kubernetes
- AWS
- GCP
- Azure
- OCI
- Debezium
- ClickHouse
- HBase
- Cassandra
- MongoDB
- MySQL
- PostgreSQL
- Elasticsearch
- Solr
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