Senior Analytics Engineer

What You’ll Do

• Build and maintain ingestion pipelines from operational sources (Firestore CDC, event tracking APIs, Backend services) into a centralized data store
• Design and evolve the core data schemas (user state, user signals) that serve as the unified source of truth across all Elfie products
• Define how data gets ingested from every component in the Elfie ecosystem (app, backend, third-party integrations) and how it gets served out (direct BQ access, Data API, BI tools); own the standards that make upstream data trustworthy
• Implement transparent pipeline lineage so any team can see how data was transformed; define tests and governance rules that enforce quality before data reaches the AI layer

What You’ll Need

Must-have:

• 5–8 years working with data in a product or platform context
• Strong schema and domain modeling instinct
• End-to-end pipeline work: extraction, transformation, structured storage
• Proficiency in SQL, Python, BigQuery, dbt
• Practices: Git workflows, CI/CD, code review
• Experience in fast-paced startup environments with quick iteration, continuous deployment, and test-driven development
• Strong bias for action - you know we have a lot to deliver and you can help us get there
• Positive attitude and willingness to roll up sleeves and dig deep to achieve goals;
• Excellent English communication skills in a professional capacity

Nice to have:

• Experience building or maintaining structured knowledge layers; including ontologies, domain taxonomies, or knowledge bases that ground AI outputs in verifiable definitions
• Experience using LLMs via API (Vertex AI, OpenAI, or equivalent)
• Familiarity with LLM pipelines or agentic system data flows
• Health or behavioral data background

Interview process:

1. Online HR Round: company introduction & experience discovery
2. Offline Hiring Manager: with Data Engineer & Analytics Engineer (Technique)
3. Online Hiring Manager: with Operations Director (Business)

Benefits

• 💰 Competitive Salary: We offer a salary that’s competitive with the market.
• 📄 Flexible Contract Options: We offer both local and international contract options, so you can choose what works best for you. You can also receive your salary in USD or VND.
• 🌱 Growth Opportunities: There’s plenty of room to grow if you want to go beyond your core focus and sharpen your skills.
• 💻 Tech Setup: You’ll get a MacBook Air or MacBook Pro, plus a monitor for work.
• 🩺 Premium Insurance: We provide premium insurance coverage for you and 1 loved one, so you can feel supported in and outside work.
• 🎯 Bonus Scheme: We offer a quarterly performance bonus of up to 150% of your compensation.
• 🤝 Team Bonding Allowance: You’ll get 800,000 VND per quarter for team bonding activities.
• 🌴 Paid Time Off & Public Holidays: You’ll get 14 days of annual leave, and we fully observe national public holidays.
• 🏠 Hybrid Working: Work from home on Wednesdays and Fridays
• 🍛 Meals & Refreshments: We provide free lunch and dinner.

About Elfie

Elfie is the world’s #1 100% free digital health ecosystem, bringing together connected experiences for patients, healthcare professionals and healthcare organisations. Through the Elfie app, WhatsApp experiences, ElfieCare clinician tools and AI-powered health coaching, Elfie helps people take better care of their health in a simple, engaging and motivating way.

By combining gamification, AI and evidence-based health programmes, Elfie empowers people to build healthier habits while enabling healthcare professionals to better support their communities.

Backed by peer-reviewed medical publications and trusted by life sciences and insurance partners, the Elfie ecosystem drives meaningful patient engagement, improves adherence and generates valuable real-world insights, helping organisations achieve better health outcomes at scale.

Stay Elfie...