{"id":3874606,"url":"https://alion.io/job/mmdsmart-middle-data-engineer","title":"Middle Data Engineer","company":{"id":679390,"name":"MMDSmart","domain":"mmdsmart.com","url":"https://alion.io/company/mmdsmart","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"middle","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":[],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Airflow","optional":false},{"name":"ETL/ELT","optional":false},{"name":"Google BigQuery","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":"Apache Kafka","optional":true},{"name":"pySpark","optional":true},{"name":"Spark","optional":true}],"status":"live","first_seen_at":"2026-11-06T15:47:58Z","employer_posted_date":"2026-11-06","last_verified_at":"2026-11-07T00:58:57Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"We are looking for a Data Engineer to join our team and help build and maintain scalable data pipelines and data warehouse solutions.\nIn this role, you will work with large datasets, design efficient data processing workflows, and ensure the reliability and performance of our data platform.\nSince 2007, MMDSmart has been a leading supplier in cloud-based business communications, delivering game-changing IT products to businesses in over 100 countries. Our success is fueled by the inspiration and innovative ideas of our team members, encouraging their growth and impacting our Messaging and Voice solutions. These empower our clients to communicate more effectively with their customers. Don’t miss this chance to excel in a rapidly expanding tech company, where your potential and ambitions are not just recognized, but celebrated.\nRequirements\nWhat will you do at MMDSmart?\nDesign, build, and maintain data pipelines for batch and streaming data processing;\nDevelop and optimize ETL workflows using Python and SQL;\nBuild and maintain Airflow DAGs for orchestration of data workflows;\nImplement data transformations and data quality checks;\nOptimize BigQuery queries and data models for performance and cost efficiency;\nTroubleshoot and improve reliability of existing pipelines;\nCollaborate with analysts and engineering teams to support data needs.\nYou are a perfect match if you have:\n4+ years of experience as Data Engineer;\nStrong experience with SQL and Google BigQuery;\nExperience building data pipelines and ETL processes;\nSolid knowledge of Python for data processing;\nHands-on experience with Apache Airflow;\nExperience working with large datasets;\nUnderstanding of data modeling and data warehouse concepts;\nExperience with query optimization and cost-efficient data processing;\nExperience with data pipeline monitoring and observability;\nLannguage knowledge: fluency in Russian and English.\nNice to have:\nExperience with Kafka or streaming data pipelines.\nYou will primarily focus on:\nBuilding and maintaining data pipelines;\nBatch and streaming data processing;\nData transformation and orchestration;\nPerformance and cost optimization.\nOur Tech Stack\nGoogle BigQuery;\nPython;\nApache Airflow;\nApache Spark (PySpark).\nThe role does not involve DevOps, ML, or BI development.\nBenefits\nWhy do talents choose and stay at MMDSmart?\nEmbrace the opportunity to work in a company that cares about:\nYour Wellness: Access to mental health programs, comprehensive medical insurance, and a sports card*.\nYour Happiness: Enjoy the company of cool teammates, a friendly atmosphere, a strong mentorship, and a variety of bonuses & corporate gifts.\nYour Development: Benefit from free educational events & courses, and English classes with native speakers.\nYour Career: Focus on your professional development in a supportive environment.\nWork-Life Balance: Choose your working format - remote, office-based, or hybrid and engage in team-building activities.\nThink this role's got your name on it? Go ahead and apply, we'd love to see what you've got!\nEqual-Opportunity Employment\nWe are an equal opportunity employer committed to creating a diverse and inclusive work environment. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.\n*Medical Insurance and Sport Card perks are available for employees located in Bulgaria.","description_format":"text","description_chars":3500,"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":[{"language":"Russian","level":"Advanced (C1)","optional":false},{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Health insurance","Professional development"],"hiring_locations":[{"name":"Bulgaria","iso":"BG","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Contact Center Software"],"lifecycle":[{"event":"open","at":"2026-11-06T15:47:58Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":97,"reasons":["conf:1","win:early"],"computed_at":"2026-11-07T02:01:43Z"},"pay":null,"html_url":"https://alion.io/job/mmdsmart-middle-data-engineer","json_url":"https://alion.io/job/mmdsmart-middle-data-engineer.json","meta":{"generated_at":"2026-11-07T02:01:43Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":4866,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-08T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":679390},"rest":"https://alion.io/mcp/rest/get_company?id=679390"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmmdsmart-middle-data-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fmmdsmart-middle-data-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fmmdsmart-middle-data-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/mmdsmart-middle-data-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmmdsmart-middle-data-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3874606}},{"tool":"search_jobs","arguments":{"company":"mmdsmart.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3874606},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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