{"id":1729546,"url":"https://alion.io/job/luza-group-database-engineer","title":"Database Engineer","company":{"id":3807097,"name":"LUZA Group","domain":"luzagroup.com","url":"https://alion.io/company/luza-group","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":"teamlyzer.com","ats_vendor":"Gupy","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Lisbon, Portugal"],"countries":["PT"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":38000,"max_usd":90000,"period":"year","method":"role_country_seniority_unknown","sample_n":18},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Amazon Aurora","optional":false},{"name":"Amazon EC2","optional":false},{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Entity Framework Core","optional":false},{"name":"Linux","optional":false},{"name":"MS SQL","optional":false},{"name":"MySQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"SQL","optional":false},{"name":"C#","optional":true}],"status":"live","first_seen_at":"2026-10-02T23:26:29Z","employer_posted_date":"2026-10-02","last_verified_at":"2026-10-02T23:26:29Z","board_verified":false,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Sobre a vaga\nSyffer is looking for a Database Engineer to work together with expert teams on projects of large magnitude and intensity. The role involves designing relational database schemas aligned with scalable SaaS architectures and optimizing complex SQL queries.\nO que vais fazer\nDesign and evolve relational database schemas aligned with scalable SaaS architectures\nOptimize complex SQL queries and their execution plans\nDefine and continuously improve indexing strategies\nDiagnose performance bottlenecks, deadlocks, and concurrency issues\nMonitor and tune high-load transactional systems\nCollaborate in CI/CD processes and database deployments\nSupport cloud and Linux database environments\nContribute to reliability, backup, and disaster recovery strategies\nHybrid work model\nO que é pedido\nStrong experience in Microsoft SQL Server, including knowledge of the database engine\nAdvanced SQL skills, with a focus on query optimization and performance\nDeep understanding of indexing strategies and execution plans\nProven experience in analyzing and resolving performance issues in production\nStrong knowledge of transactions, concurrency, and isolation levels\nExperience with large volumes of data and high-load systems\nFamiliarity with databases running on Linux environments\nFluent in english\nValorizado\nExperience with MySQL, PostgreSQL, or Amazon Aurora\nKnowledge of replication and read replica strategies\nExperience with AWS (RDS, Aurora, EC2)\nFamiliarity with .NET Core and .NET Framework ecosystems\nExperience with Entity Framework / EF Core and ORM optimization\nUnderstanding of multi-tenant SaaS architectures\nExperience with containerized database environments (Docker)\nO que é oferecido\nWage according to candidate's professional experience\nRemote Work whenever possible\nDelivery of work equipment adjusted to the performance of functions\nBenefits plan\nAnd others\nResumo organizado por IA a partir do anúncio original. Confirma os detalhes no site da empresa.","description_format":"text","description_chars":1977,"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":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Hybrid work"],"hiring_locations":[{"name":"Portugal","iso":"PT","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-02T23:26:29Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":1,"expected_fill_days":21,"reasons":["seen:1","velocity","win:early"],"computed_at":"2026-10-04T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/luza-group-database-engineer","json_url":"https://alion.io/job/luza-group-database-engineer.json","meta":{"generated_at":"2026-10-05T02:57:00Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":4047,"day_limit":5000,"remaining_today":953,"minute_limit":60,"resets_at":"2026-10-06T00:00:00Z"}}}