Senior Data Software Engineer

Required skills: Python, Spark, Databricks, Snowflake, SQL, Cassandra, MongoDB We are looking for a Senior Data Software Engineer to join our growing Data Practice and make our team even stronger. Our projects and technologies are very diverse and cover all technologies currently on the market and represented by open-source communities. We are providing our service to Clients in different domains: Financial, Health Care, Insurance and many others, so you will have a chance to develop yourself in any direction you want. Responsibilities Implement data ingestion from diverse sources utilizing technologies including RDBMS, REST HTTP API, flat files, Streams, Time series data, SAP Research and utilize Big Data technologies for effective data ingestion Process and transform data using tools such as Spark and various Cloud Services Understand and execute project-specific business logic through programming languages supported by the primary data platform Optimize data retrieval, develop dashboards, and perform data validation Collaborate with diverse teams including data scientists, analysts, and IT professionals Provide thought leadership on Big Data best practices and technology trends Maintain and ensure integrity and security of big data sources and platforms Perform troubleshooting, debugging, and upgrading of big data systems and applications Requirements Bachelor’s degree in Computer Science, Mathematics or related technical field 5+ years experience in software development with Big Data technologies Advanced knowledge of Python, Scala, or Java Proficient with Spark and Databricks and/or Snowflake Experience with cloud platforms such as Azure, Google Cloud Platform, Amazon Web Services Demonstrated experience with big data models, databases, and tools Strong understanding of different data file formats like JSON, Parquet, Avro Hands-on experience with SQL and NoSQL databases, including Cassandra and MongoDB Proficiency in data warehousing solutions, ETL processes Proven ability to work within a fast-paced, team-oriented environment Detail-oriented with excellent analytical and problem-solving skills Knowledge of software development methodologies and best practices Exceptional oral and written communication skills in English (B2+) Nice to have Experience with Hadoop, Spark, Kafka, Oozie, Airflow, HDFS, YARN Experience with message queues, especially Kafka Production experience in search technologies such as Solr, OpenSearch, or Lucene We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.