{"id":2635981,"url":"https://alion.io/job/sirma-group-senior-db-admin-data-scientist","title":"Senior DB Admin / Data Scientist","company":{"id":55425,"name":"Sirma Group","domain":"sirma.com","url":"https://alion.io/company/sirma-group","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":["Varna, Bulgaria","Sofia, Bulgaria","Ruse, Bulgaria"],"countries":["BG"],"hiring_countries":["BG"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":33000,"max_usd":84000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":2324},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon Aurora","optional":false},{"name":"AWS","optional":false},{"name":"Docker","optional":false},{"name":"Flyway","optional":false},{"name":"GDPR","optional":false},{"name":"Hibernate","optional":false},{"name":"HikariCP","optional":false},{"name":"HIPAA","optional":false},{"name":"Java","optional":false},{"name":"JOOQ","optional":false},{"name":"Least Privilege","optional":false},{"name":"Machine Learning","optional":false},{"name":"Metabase","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Power BI","optional":false},{"name":"Python","optional":false},{"name":"Redis","optional":false},{"name":"SOC 2","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-10-15T16:51:14Z","employer_posted_date":null,"last_verified_at":"2026-10-15T16:51:14Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"About Sirma\n\nEstablished in 1992, Sirma is one of the leading IT companies in Bulgaria. Since 2015, the company has been listed on the Bulgarian Stock Exchange.\n\nSirma specializes in software development across multiple industries, including finance, insurance, healthcare, transportation, logistics, hospitality, retail, and e-government. With a team of 800+ professionals, the company delivers cutting-edge software solutions tailored to address the specific business needs and challenges of our clients. Our projects range from short engagements to multi-year collaborations on turnkey products.\n\nAs we believe that our employees are our greatest asset, we provide them with a collaborative environment and full support for their career and personal growth.\n\nAbout the role\n\nThe Senior DB Admin / Data Scientist owns the health and evolution of the PostgreSQL databases behind a multi-tenant healthcare platform used by patients, healthcare providers, laboratories and partners. The database is the most critical part of the platform and the main factor in how far and how fast it can scale. We are looking for someone who looks ahead: spots the next bottleneck while it is still a trend on a graph, brings new approaches and ideas, and drives them into production together with the engineering team. The platform handles sensitive health data under HIPAA, GDPR and SOC 2 requirements, so it has to stay secure, auditable and available at all times. The role sits in the engineering team, works closely with backend (Java/Spring), DevOps and product, and also turns platform data into insight for data-driven decisions.\n\nYour responsibilities \n\nOwn database performance and scalability end to end: follow the trends, anticipate where growth will cause problems and deal with them before users notice\n\nBuild and drive a database roadmap: capacity planning, data growth forecasts, partitioning and archiving, and separating reporting workloads from production traffic\n\nGet involved early in feature design: review data models, query patterns and migrations before they are built and released, including locking/downtime risk and a rollback patх\n\nPropose and prototype new approaches, tools and PostgreSQL/AWS capabilities, and back every recommendation with measurements\n\nOwn backups, point-in-time recovery and disaster recovery, and prove them with regular restore tests\n\nOwn database security and compliance (HIPAA, GDPR, SOC 2): least-privilege access to PII/PHI, encryption, audit logging, data retention and audit evidence\n\nDefine the monitoring and alerting the team needs to see database problems coming\n\nLead database incident response, keep runbooks up to date, and follow each incident through to a lasting root-cause fix\n\nRaise the database skills of the backend team through guidance, reviews and knowledge-sharing sessions\n\nKeep data quality high: detect inconsistent or orphaned records and fix the cause upstream\n\nProduce reports and analyses for the business; explore usage and clinical/lab data and prototype statistical or ML models where they add value\n\nRole’s requirements \n\n5+ years of experience in Data modelling for multi-tenant systems, including flexible schemas (JSONB, metadata-driven entity/attribute models) and dynamically generated queries\n\nExpert-level PostgreSQL: internals, query planning, concurrency and maintenance at scale\n\nProduction database administration: high availability, replication, backup and recovery, security\n\nProactive ownership: notices problems early, raises them unprompted and follows through to a solution\n\nForms an independent view and challenges existing designs with well-argued alternatives\n\nCareful handling of personal and health data (PII/PHI), including anonymisation for analytics\n\nPython for data analysis\n\nClear communication with developers and non-technical stakeholders alike\n\nFluent spoken and written English\n\nBachelor’s degree in Computer Science or a related degree\n\nAdvantages\n\nHas scaled PostgreSQL in production through significant data and traffic growth (large tables, high write volume)\n\nAWS (Amazon Aurora PostgreSQL, RDS), Docker\n\nFlyway or another database migration tool, and zero-downtime schema changes\n\nConnection pooling and caching (PgBouncer, HikariCP, Redis)\n\nUnderstands how ORMs and query builders (Hibernate, jOOQ) generate SQL, and can trace a query back to the Java/Spring code\n\nReporting and analytics architectures: read replicas, data warehouses or streaming pipelines, and reporting tools (Metabase, Power BI or similar)\n\nStatistics and basic machine learning\n\nExperience in healthcare or another regulated domain (HIPAA, GDPR, SOC 2), including taking part in audits; exposure to HL7/FHIR is a bonus\n\nAWS or PostgreSQL certification\n\nWhy Join Sirma? \n\nLearn from the Best\n\nWork alongside some of the brightest minds in the industry, collaborate with international experts, and be part of a culture where knowledge sharing is part of everyday life.\n\nBuild What Matters\n\nTake on challenging projects, solve real business problems, and work with cutting-edge technologies that drive innovation across industries.\n\nFlexibility That Works for You\n\nStart your day between 8:00 and 10:00, depending on your team’s schedule. We trust people to organize their time in a way that works for them and their team.\n\nInternal Training Academy\n\nThrough Sirma Academy, we offer practical, hands-on training programs focused on real-world software engineering skills, modern technologies, and best practices.\n\nOne Company, Multiple Locations\n\nWhether you prefer a change of scenery or need flexibility, you can work from any Sirma office and stay connected with colleagues across the Group.\n\nWe Care About Your Wellbeing\n\nAdditional health and dental insurance, a Multisport card, and dedicated relaxation spaces help you stay healthy, active, and energized.\n\nSupporting Students’ Success\n\nBalancing education and work isn’t always easy. That’s why we provide additional paid vacation days for students.\n\nWork Hard. Celebrate Together\n\nFrom team buildings and company parties to sports events and social initiatives, we create opportunities to connect, have fun, and make lasting memories.\n\nMake an Impact Beyond Work\n\nJoin charity campaigns and community initiatives that allow us to grow not only as professionals but also as responsible global citizens.\n\nThe Little Things Matter\n\nFresh fruit in the office, gaming and relaxation areas, a generous referral bonus program, and comfortable office spaces designed for both focus and connection help make every day at Sirma even better.\n\nLife at Sirma \n\nAt Sirma, you’ll find more than a job. You’ll join a community of innovators, problem-solvers, and technology enthusiasts who are passionate about learning, sharing knowledge, and building the future together. If you’re looking for a place where your ideas matter and your growth is a priority, Sirma is the place for you.\n\nApply now!\n\nWe are waiting for your CV!\n\nThere’s a lot going on at Sirma!\n\nWe’re looking forward to meeting our next colleague. 🙂\n\nWe will contact only the candidates selected for further consideration. Confidentiality is guaranteed. We thank all candidates for applying.","description_format":"text","description_chars":7185,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Dental insurance"],"hiring_locations":[{"name":"Bulgaria","iso":"BG","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Financial Software & Embedded Finance","Custom Software Development","Knowledge Graphs","EHR & Clinical Software"],"lifecycle":[{"event":"open","at":"2026-10-15T17:16:00Z"}],"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":29,"reasons":["seen:0","win:early"],"computed_at":"2026-10-16T01:49:00Z"},"pay":null,"html_url":"https://alion.io/job/sirma-group-senior-db-admin-data-scientist","json_url":"https://alion.io/job/sirma-group-senior-db-admin-data-scientist.json","meta":{"generated_at":"2026-10-16T01:49:00Z","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":2894,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-17T00:00:00Z"}},"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":55425},"rest":"https://alion.io/mcp/rest/get_company?id=55425"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsirma-group-senior-db-admin-data-scientist"},{"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%2Fsirma-group-senior-db-admin-data-scientist"},{"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%2Fsirma-group-senior-db-admin-data-scientist"},{"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/sirma-group-senior-db-admin-data-scientist\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsirma-group-senior-db-admin-data-scientist"}]}