Data Tech Lead – Databases and Architecture

Data Tech Lead managing AWS cloud databases for Queima, focusing on data architecture and engineering leadership.

Posted 4/27/2026full-timeBelo Horizonte • 🇧🇷 BrazilSeniorWebsite

Tools & technologies

AWSCloudJavaPostgresPythonScala

Key responsibilities & impact

Manage and evolve databases in a cloud environment (AWS RDS), ensuring availability, security and performance;
Plan, execute and optimize migrations, upgrades, replication and clustering;
Monitor and improve performance (query tuning, execution analysis and parameter adjustments);
Diagnose and resolve critical data issues (failures, corruption, locks);
Automate operational routines and ensure efficient environment management;
Design and maintain scalable, resilient data infrastructure, including pipelines and data architecture;
Partner with development teams to ensure data quality, performance and integrity;
Lead data-driven culture initiatives, structuring data collection, processing and delivery;
Manage the lifecycle of data engineering solutions from planning to implementation;
Plan capacity and implement scalability strategies to support growth;
Lead and develop the Data Engineering team, promoting technical growth and performance management;
Collaborate with business and technology areas to ensure alignment with strategic objectives;
Evaluate and implement new technologies for continuous evolution of the data platform.

What you’ll need

Previous experience: prior experience as a technical lead in Data teams;
Experience identifying and resolving performance issues, optimizing queries and tuning configurations to ensure efficient performance;
Experience diagnosing and resolving complex issues such as locks, data corruption and server failures;
Proficiency with RDS for Postgres on AWS;
Strong knowledge of implementing security measures such as authentication, authorization, auditing and data encryption;
Completed higher education (Bachelor's degree);
Desirable certifications:
AWS Certified Cloud Practitioner;
AWS Certified Data Analytics;
AWS Certified Database;
Familiarity with scripting and automation to facilitate administration and maintenance tasks;
Experience programming in at least one language such as Python, Java or Scala;
Knowledge of AI and Machine Learning concepts;
Experience building a data architecture for AI from scratch;
Experience with continuous integration environments such as GitHub Actions.

Comp & perks

Queima provides a Flash card for meal/food allowance;
We offer health and dental plans with copay and no monthly fee;
Remote work allowance/support;
For those living in Belo Horizonte (BH) we have a great, comfortable office;
Profit Sharing (PLR) program;
Extended paternity leave for expectant fathers;
Childcare assistance to help care for your little one;
Financial assistance for English or Spanish classes;
Access to our fitness, health and wellness platform and to Smart Fit gyms across Brazil;
A relaxed and motivating work environment;
Performance cycles and an exclusive learning and development platform, Queima Academy;
No dress code;
Employee referral programs.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

database managementcloud environmentAWS RDSquery tuningdata architecturedata pipelinesscriptingPythonJavaScala

Soft Skills

leadershipcollaborationproblem-solvingcommunicationtechnical growthperformance managementdata-driven culture

Certifications

AWS Certified Cloud PractitionerAWS Certified Data AnalyticsAWS Certified Database