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Backend Developer & Data Specialist Altar.io. Location Information: Lisboa, Portugal. . Hello. !. Are you an experienced . Backend Developer & Data Specialist. looking to grow in a team of highly-skilled, top-talent innovators while working on multiple products in a range of industries?. If so, Altar may be the right place for you.. We're looking for a Backend Developer with deep database expertise to join our innovative team at Altar. You'll work on cutting-edge projects across various industries, collaborating with entrepreneurs and business leaders from companies like YouTube, HSBC, and Coca-Cola. . With us, you’ll not be alone working in these cutting-edge technologies. You’ll be among a cross-functional team of seasoned Altarions with expertise in a multitude of sectors, from fintech and marketplace to AI and IoT.. What you’ll be doing:. As a . Backend Developer & Data Specialist. , you’ll:. . Design and develop microservices and REST/GraphQL APIs;. • Architect and implement database solutions across multiple paradigms;. • Optimize database performance and query efficiency;. • Create and maintain . ETL. . pipelines. ;. • Implement data migration strategies.. The hands-on experience we need you to bring to the table:. . 3+ years as a Backend Developer with either . Python. or . Golang. or . Node.js/Express.js. • Some experience with multiple database types:. Relational (PostgreSQL, MySQL). LLM frameworks. Document (MongoDB). Vector DBs (examples: Pinecone, Milvus, Weaviate, Qdrant, Chroma, FAISS (Meta), Vespa, pgvector). Graph DBs. Search engines (Elasticsearch). In-memory (Redis). Time-series. Ledger databases. • Practical knowledge of:. Database optimization techniques. Sharding and partitioning. Views and triggers. Backup/restore procedures. ETL processes. • Experience with microservices architecture. . Fluency in both written and spoken English. . Experience with cloud platforms (AWS/GCP/Azure). . Knowledge of Docker/Kubernetes. . Familiarity with data lakes. . Experience with monitoring tools. . CI/CD pipeline expertise. . Check our cutting edge tech stack here. . Our recruitment process:. . CV screening (ASAP). . Recruiter interview (60 min). . Tech Challenge (from home, 5-day deadline). . Tech Interview w/ our CTO (60 min). . Final interview w/ our CEO (~60min). . We will go through the process as quickly as possible and we'll keep you up-to-date along the way.. What you can expect from working with us:. Full focus on helping you make the most out of life. . . A competitive . salary. that aligns with your experience;. . Health Insurance for you and your household;. . We need you to be eligible to work in Portugal and live in one of our major cities (or be happy to relocate). While we have a remote-first policy, we encourage you to join us at our informal, pet-friendly office environment in the heart of Lisbon;. . Flexible working hours;. . 25 days of paid vacation + Dec 24 and 31 and anniversary day (if during the week);. . Team events like weekly Yoga classes, Summer Surf Days, Christmas Dinners and much more.. . Full focus on helping you make the most out of your Career:. . Detailed career plan with strong growth potential;. . Training budget to help you achieve your goals more effectively;. . Global projects with industry-leading clients;. . A team of top talent innovators and researchers at your side.. . If you got increasingly excited about Altar while reading this, then we’re just as excited about you! Apply now and let’s see if we can make you the next Altarion.. #LI-Remote. .