Joao Daher M.Sc.

Senior Software Engineer

Joined the Cloud Config team to evolve the functionality and performance of dbt Cloud's foundations, enabling teams to expand the dbt ecosystem with new data sources & warehouses.

Principal Software Engineer

• Defined and implemented cross-squad architecture: async service communication (Pub/Sub), instrumentation and distributed tracing (NewRelic) — mainly Python & Django.
• Defined security guidelines end-to-end: network-level (Firewall, WAF, OWASP) and application-level (roles, scopes, tokens, tenants).
• Boosted coding experience for 20+ engineers with internal tools, bots and libraries — reducing repetitive work and easing onboarding.
• Led the Foundations Squad, dedicated to systems' performance, security and scalability.

Staff Engineer

• Designed and shipped integrated authorization & authentication across all systems.
• Led HL7 FHIR integration using Google Cloud Healthcare.
• Defined the data analytics stack on Google Cloud, connecting application pipelines to the data warehouse.
• Introduced Infrastructure-as-Code with Terraform — bringing security and reproducibility to GCP infra and letting more engineers contribute safely.

Technical Lead

• Tech Lead of 10+ engineers across two squads: core product and data & integrations.
• Designed and implemented the backend for the company's first Interoperability product using HL7 FHIR — opening the platform to massive client data input.
• Drove SRE initiatives to improve development throughput, product delivery and incident resolution.
• Recruited engineers through technical interviews.

Senior Software Engineer

• Cloud architecture for a serverless event-driven SaaS — defined and coded from the ground up.
• Modernized APIs and backend to unlock scale; defined data workflows for real-time indicators powering strategic decisions.

Site Reliability Engineer

• Standardized CI/CD across all repositories; automated code-review notifications for faster delivery.
• Custom application instrumentation on NewRelic; on-shift alerting via chat & phone.
• Built a custom PaaS for event-driven serverless applications.
• Centralized audit data from AWS, GCP, NewRelic and Sentry into BigQuery — with dashboards for costs and API errors.

Software Engineer

• Shipped 10+ microservices to deprecate a legacy monolith.
• Built a unified, personalized search engine.
• Recommender system combining ML ensembles with business heuristics.
• End-to-end data pipeline from applications and external services into the Data Lake.

Marketing Engineer

• Integrated Facebook Ads & Google Ads into the data warehouse; reverse-engineered data models for DW entities.
• Built a Python/Django + Celery/PostgreSQL microservice exposing metrics via REST.
• Deployed a Keras model predicting initial and delta budgets for Facebook Ads.
• Deployed a sklearn model recommending content based on user activity.

Data Analyst

• Built a Django/PostgreSQL service for the audiovisual team to manage the full content-production process (leads, authors, calendar, team, SEO).
• Analyzed 2019 course performance and prioritized the Q1 production calendar, optimizing costs and income.
• Restructured eduK's course taxonomy around audience niches rather than techniques and themes.

Backend Developer

• Backend for e-commerce applications in Python & Django.
• Built Wally, a configurable NLP-powered search microservice that integrates with Django models.

Backend Developer

• Architect and developer of a distributed system helping national police forces prevent and fight crime through big-data analysis of public and private media.
• Full software life-cycle delivered by a small team — deployed for country-wide international events (World Cup and Olympics).