{"id":2280800,"url":"https://alion.io/job/dataciders-roiti-senior-data-platform-engineer-python","title":"Senior Data Platform Engineer (Python)","company":{"id":4407917,"name":"Dataciders ROITI","domain":"datacidersroiti.com","url":"https://alion.io/company/dataciders-roiti","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Bulgaria"],"countries":["BG"],"hiring_countries":["BG"],"hiring_countries_total":1,"salary":{"min":3913,"max":4651,"currency":"EUR","period":"month","gross":true,"usd_annual":62544},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Data Vault","optional":false},{"name":"Databricks","optional":false},{"name":"ETL/ELT","optional":false},{"name":"GCP","optional":false},{"name":"Git","optional":false},{"name":"Microsoft Fabric","optional":false},{"name":"Pandas","optional":false},{"name":"Polars","optional":false},{"name":"pySpark","optional":false},{"name":"Python","optional":false},{"name":"RabbitMQ","optional":false},{"name":"Snowflake","optional":false},{"name":"SQL","optional":false},{"name":"C#","optional":true},{"name":"CI/CD","optional":true},{"name":"Docker","optional":true},{"name":"Java","optional":true},{"name":"Scala","optional":true},{"name":"Spark","optional":true}],"status":"live","first_seen_at":"2026-09-15T15:09:29Z","employer_posted_date":null,"last_verified_at":"2026-09-15T15:09:29Z","board_verified":false,"closed_at":null,"days_open":27,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":27},"description":"At Dataciders ROITI we work on solving trading and risk challenges related to the growing energy generation from renewables, the introduction of large-scale batteries, the closing down of conventional thermal power plants, and other fun topics in the energy sector. The solutions we build are typically related to asset optimization, data management and reporting, process improvements, and trading and risk functionalities.\n\nFor our growing team in Sofia, we are looking for a Senior Data Platform Engineer who will work with our clients in the energy and commodities business to deliver optimized ETL/ELT processes, develop and deploy data pipelines to efficiently store and retrieve data, and develop Python libraries to work with internal APIs. If you enjoy a dynamic environment and diverse challenging tasks, our expanding team is the right place for you.\n\nExperience we are looking for:\n\nStrong proficiency in Python and writing production-grade code\n\nDataFrame libraries such as Pandas, Polars, or PySpark\n\nBuilding, optimizing, and maintaining ETL/ELT pipelines\n\nWorking with various data sources – APIs, object storage, local files, FTP/SFTP, streaming services, etc.\n\nSQL and NoSQL Databases\n\nData Lakes and Lakehouses\n\nData modelling – Star/Snowflake Schema, Data Vault design, etc.\n\nQuery performance optimization\n\nData streaming technologies – Kafka, RabbitMQ, Azure Event Hub, AWS SQS, etc.\n\nExperience with cloud environments such as Azure, AWS, or GCP\n\nWorking with modern data platforms such as Databricks, Microsoft Fabric, Snowflake, or Azure Synapse.\n\nGood understanding of Big Data processing concepts and distributed computing\n\nExperience with Git and version control workflows\n\nProficiency with command-line tools and shell scripting\n\nExperience in the following is a plus:\n\nDocker and container technologies\n\nCI/CD pipelines and deployment automation\n\nAdditional programming languages such as Scala, Java, Go, or C#\n\nThe AI/ML ecosystem and data-intensive applications\n\nFinance/economics domain\n\nProficiency in German language\n\nWe offer:\n\nCompetitive remuneration package:\n\n– Above average market research-based salaries.\n\n– Options for additional stimuli in the long term.\n\nChallenges offering professional and personal growth and fully company-sponsored:\n\n– Internal and external trainings and courses\n\n– Obtainment of certifications\n\n– Tickets for tech events\n\nInternal policies that allow you to take control of your own schedule:\n\n– Flexible home office\n\n– Floating working hours\n\n– Additional paid leave days\n\n Transparent communication:\n\n– Regular town hall meetings where the CEO and CFO update everyone on current company matters.\n\n– Clear and open career path and salary brackets.\n\n– Salary and performance review every 6 months.\n\nFully covered additional health insurance, including dental, yearly preventative medical examinations, and healthy food at the office.\n\nFully covered Multisport card.\n\nPleasant team atmosphere – movie nights, charity work, parties, team buildings.\n\nIf you are interested, please send us a CV!","description_format":"text","description_chars":3058,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Health insurance","Home 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