{"id":744263,"url":"https://alion.io/job/nexo-senior-data-engineer","title":"Senior Data Engineer","company":{"id":692677,"name":"Nexo","domain":"nexo.careers","url":"https://alion.io/company/nexo-4","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Breezy","truth_index":{"grade":"B","score":75,"open_postings":5,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":30,"computed_at":"2026-11-02T06:13:15Z"}},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bulgaria"],"countries":["BG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":34000,"max_usd":88000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":2679},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon Aurora","optional":false},{"name":"Amazon Redshift","optional":false},{"name":"Amazon S3","optional":false},{"name":"AWS","optional":false},{"name":"ETL/ELT","optional":false},{"name":"MariaDB","optional":false},{"name":"MySQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-08-21T05:55:38Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-11-02T05:17:03Z","board_verified":true,"closed_at":null,"days_open":73,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":73},"description":"Driving the next generation of wealth.\nDigital assets are redefining how wealth is created, used, and transferred. Since 2018 at Nexo, we have been building the future model of financial wealth - dynamic, accessible, and designed for a new generation of forward-thinking investors.\nBut technology alone doesn’t drive progress. People do.\nWe are a team of builders, strategists, analysts, creatives, and operators united by a shared mindset: advancement. We move fast, think long term, and take ownership. We challenge ideas, not people. We value clarity over noise and impact over optics.\nWhat makes Nexo different?\nWe shape industry trends. We rethink how wealth works and build solutions that reflect that belief.\nThat requires a certain kind of person.\nYou will thrive here when you think independently and act decisively, take ownership without waiting for permission, and care deeply about quality, long-term value, and disciplined execution. The people who succeed at Nexo bring analytical depth, sound judgment, and resilience - but also curiosity and the drive to keep improving.\nThis is an environment for people who want to lead, create, and elevate what already exists. If building what’s next excites you, you’ll feel at home at Nexo.\nOfficial website: nexo.com\n\nYour role:\nDiscover, analyze and assemble large, complex data sets that meet functional / non-functional business requirements.\nBuild ETL pipelines for a wide variety of data sources using (mostly) SQL and Python in an AWS environment.\nWork with stakeholders including the Executive, Product and Engineering to assist with data-related technical issues and support their data needs.\nDevelop data tools for business departments that assist them in building and optimizing our product into an innovative industry leader.\nMaintain and optimize existing data models and architecture.\nDiscover and employ meanignful AI-driven optimizations in your day-to-day tasks.\nPartner with cross-area teams to support self-service data initiatives.\nWhat makes you stand out:\nStrong Experience with relational SQL and NoSQL databases, including Postgres/Redshift, MySql/MariaDB/Aurora and MongoDB.\nExperience with Python.\nExperience with AWS cloud services: S3, Athena,Redshift, Glue.\nExperience building, optimizing and supporting ‘big data’ data pipelines, architectures and data sets.\nExperience performing root cause analysis on internal and external data and processes to answer specific business questions and identify opportunities for improvement.\nBuild processes supporting data transformation, data structures, metadata, dependency and workload management.\nAbility to predict and validate performance with 10x, 100x, 1000x larger volumes and manage bottlenecks in advance.\nExperience supporting and working with cross-functional teams in a dynamic environment.\nNexo benefits:\nCompetitive and rewarding remuneration package.\nAnnual performance-based bonuses.\nComprehensive Learning Hub for continuous growth.\nHybrid work model: primarily office-based with scheduled home office flexibility.\nA dynamic and inspiring environment with cutting-edge projects.\nCareer development opportunities in a global leader driving the next generation of wealth.\nCustomizable personal benefits package.\nWellness benefits include additional health insurance, all-access sports cards, team-wide sports activities, standing desks, and blue light glasses.\nFree parking with a designated space, free electric bikes, and public transportation cards.\nFresh fruits, snacks, and a well-stocked office kitchen.\nRegular department team buildings and company-wide team buildings.","description_format":"text","description_chars":3617,"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 office","Hybrid work","Sports activities"],"hiring_locations":[{"name":"Bulgaria","iso":"BG","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Wealth Management & Financial 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