André Luis Fernandes Nunes

- Improve the process of engineering team, hiring and evaluation; - Given direction for new engineers; - Create and understand the roadmap and give direction to achieve our okrs; - Code review; - Observability: Grafana, Prometheus, cloudwatch (alarms) to monitore Api's, Databases; - Apache Superset to build dashboards; - Python; - AWS DMS to send data form Postgres to Redshift; - Event Driven Architecture with AWS Kinesis, AWS Lambda and Kubernetes; - CI/CD with Circle-CI, Rancher to follow pods and clusters, and ArgoCD + ArgoCD Workflow - Jenkins to run jobs, restore database and metrics metrics to send on slack; Achievements: - Partitioning data lake by day; - Helping the team to create a anti-fraud rules api, and save a lot of money for our customers; - During Black Friday I've helping all the company to do a load test and improve machine learning queries to use database index; - I've helped SRE team to change lambdas to K8s and move from AWS sa-east-1 to us-east-2 and save 40% of money using spot machine/ec2. - Migrated database to us-east-2, using techniques with db_link and shell script to copy data and save more 40% of money - Create DMS to perform NRT data to Redshift;

- Improve the process of the company; - Hiring IT outsourcing company helping to scale Match projects; - Technical overview and present for all investors; - Created the actual software/data architecture with low cost price at AWS; - Submmited AWS forms to entry in startup program and save 50k$ in the first two years; - Submmited Mongo Atlas forms and save 10k$ in the first year; - Created confluence docs for all engineering projects and process of the company; - Owner for git repository and using Gitflow; - Using keybase as vault and security passwords; - CI/CD with AWS Pipeline, Code Build, Code Deploy; - Technologies: NodeJs, Python, ReactJs, CloudFront, S3, SQS, SNS, VPC, EC2, Fargate, RDS Postgres, MongoAtlas, Lambda, ApiGateway, Terraform, Data studio.

- Using discovery techniques; - Improve the process of data engineering team, hiring and evaluation; - Given direction for new data engineers; - Create and understand the roadmap and give direction to achieve our okrs;

- Code review and Gitflow; - Slack for monitoring job process - Grafana to monitoring Database and DW, queries and DMS - Developed with Python - AWS DMS to send data to Redshift and Postgres - Looker - Kafka and Twilio Segment (Event) - Apache Airflow with python to many jobs orchestration

- Using techniques like lean, discovery, data driven to business impact of our customers; - Improve the process of all engineering teams in my unit as hiring and evaluation; - Given direction for new software engineers, as process, coding, continuous integration/development and career; - Code review and training the enginnering team and tech leads; - Delivery metrics as leadtime and deployments; - Build dashboards on Data studio through bigquery (GCP); - Developed with Python (FastApi, Flask), c# (asp net core) and NodeJS - Jupyter notebook and Google colab; - CI/CD Jenkins, gitlab and Azure devops; - kubernetes and Cloud Run ( docker) - Load test with Gatling (Scala) - Unit test XUnit (c#)

- Developed solutions for big data projects; - Developed using Scala version 2.12.12 and spark 2.4.5 with sbt; - Unit tests using Scalatest; - Message Broker with Kafka; - Developed databases like PostgreSQL and SqlServer; - Cloud Computing: Azure (DataBricks, k8s); - CI/CD Azure pipelines and Releases; - Used Azure Devops as version control;

- Designed resilient, performant and scalable solutions for Fintech - Performed code reviews; - Developed using NodeJS with Typescript, Serverless Framework; - Unit tests using jest, chai, mocha and sinon; - Message Broker with SQS and SNS; - Developed databases like PostgreSQL; - Cloud Computing: AWS (S3, EC2, Lambda, ApiGateway); - CI/CD code build; - Used Git Hub as version control;

- Designed resilient, performant and scalable solutions for many different customers; - Focused in bigdata and LGPD(general data protection law) like GDPR (EU) projects; - Mentored and tech lead of software engineers; - Performed code reviews; - Recommended new technologies to save money and improve system performance and reliability; - Collaborated with PO to improve functionalities in the systems; - Hands-on with software engineers team; - Developed using NodeJS, C#, ASP.NET Core, Scala, Java and Microsoft Bot Framework; - Developed databases like Sql Server/PostgreSQL/ElasticSearch; - Developed BigData projects with Apache Hadoop, Spark and Hive; - Developed cache databases like Redis; - Perform tests with Junit, Scalatest, Nunit, Jest, and mocha; - Created a cloudera environment to mock the data of customers which the team can test and develop the system; - Cloud Computing: AWS (S3, EC2, ELB,RDS) and Google Cloud; - CI/CD using Jenkins and BitBucket pipeline; - Development of routines using shell scripts in Linux and Windows environments; - Developed scaled clusterizeds environments with Docker; - Used Git Hub and Bit Bucket as version control;

- Managed cloud providers and partners; - Recruited and hired new engineering staff members; - Mentored software engineers; - Created new software engineers leaders; - Led more than 30 software engineers; - Feedback and 1:1 meetings; - Defined and measured IT metrics; - Collaborated with business areas to create brand new products and solutions; - Improved engineering process through agile methodologies; - Provided technical and functional recommendations according to project requirements; - Recommended new technologies to save money and improve system performance and reliability; - Gave trainings in cloud oriented software development, productivity tools and software performance analysis/tunning; - Closed partners, like Caixa Bank and Órulo; Some sucess cases of the company that I developed and helped the team: - New search for real estate in which I was able to reduce a large number of complaints; - New mobile api that increased the success avaliation and score in Play Store and Apple Store; - Smart chat which the brokers, real estate and construction company make partnerships and negotiation

- Designed resilient, performant and scalable solutions for real estate; - Recruited and hired new engineering staff members; - Mentored and tech lead of software engineers; - Performed code reviews; - Recommended new technologies to save money and improve system performance and reliability; - Collaborated with PO to improve functionalities in the systems; - Hands-on with software engineers team; - created an environment of tests team; - Developed using Javascript, JQuery, HTML, CSS, SASS, CoffeeScript, Angular (1.5), Ruby on Rails, NodeJS, C#, ASP.NET Web Forms, ASP.NET MVC and ASP.NET Core; - Developed databases like Sql Server/MongoDb/Mysql/PostgreSQL; - Implementantion of ELK (Elasticsearch / Logstash / Kibana); - Developed cache databases like Redis and Memcached; - Cloud Computing: AWS (S3, EC2, ELB,RDS) and Google Cloud; - CI/CD using CircleCI; - Development of routines using shell scripts in Linux and Windows environments; - Developed scaled clusterizeds environments with (Rancher and Docker); - Dashboards and alerts of micro services with zabbix and graylog; - Used Git Hub as version control;

- Designed resilient, performant and scalable solutions for real estate; - Performed code reviews; - Collaborated with PO to improve functionalities in the systems; - Recommended new technologies to save money and improve system performance and reliability; - Developed using Javascript, JQuery, HTML, CSS, SASS, CoffeeScript, Angular (1.5), Ruby on Rails, NodeJS, C#, ASP.NET Web Forms, ASP.NET MVC and ASP.NET Core; - Developed databases like Sql Server/MongoDb/Mysql/PostgreSQL; - Implementantion of ELK (Elasticsearch / Logstash / Kibana); - Developed cache databases like Redis and Memcached; - Cloud Computing: AWS (S3, EC2, ELB,RDS) and Google Cloud; - CI/CD using CircleCI; - Development of routines using shell scripts in Linux and Windows environments; - Developed scaled clusterizeds environments with (Rancher and Docker); - Used Git Hub as version control;

- Mentored software engineers; - Performed code reviews; - Collaborated with clients to create brand new products and solutions; - Designed resilient, performant and scalable solutions for call center; - Developed using Javascript, JQuery, KendoUI, HTML, CSS, C# (Framework 4.0), ASP.NET Web Forms; - Developed Procedures, Views, Triggers and Functions in SQL Server 2008; - Developed queries MDX with Microsoft SQL Server Analysis Services; - Used TFS as version control projects and database procedures; - Created web systems as Dashboards/Metrics for each Call Center companies, improve legacy system and a new system based on BI of these companies to build manually dashboards;

- Designed and implemented solutions for Call Center companies; - Developed using Javascript, JQuery, KendoUI, HTML, CSS, C# (Framework 4.0), ASP.NET Web Forms; - Developed Procedures, Views, Triggers and Functions in SQL Server 2008; - Developed queries MDX with Microsoft SQL Server Analysis Services; - Used TFS as version control projects and database procedures; - Created web systems as Dashboards/Metrics for each Call Center companies, improve legacy system and a new system based on BI of these companies to build manually dashboards;