Michal Wrobel

Lead software engineer

I'm responsible for infrastructure and development of various systems and helping the team to achieve tech and business objectives.

• API-first platform for insurance products - Worked on a platform that allows the creation and management of 'embeddable' insurance products. [Python, Django, Postgres, Docker]
• AWS Infrastructure as code with CI/CD pipeline - Terraformed the infrastructure for the platform. With one 'terraform apply', the infrastructure was changed and the new docker image deployed. [Terraform, AWS]
• Migration from AWS to GCP - Migrated the platform from AWS to GCP while transitioning from ECS to GKE (k8s). I created a migration plan which included many k8s system components and executed it successfully. Also developed a new CI/CD pipeline for this new infrastructure [Terraform, GCP, Skaffold, Cert manager, Helm, Istio, Cloudflare]
• CDC pipeline for production data - Created a CDC pipeline using RedPanda and Kafka connect which replicated data to GCS for use by DataBricks.
• Extracting data with LLMs - Developed workflows to extract data from various sources (HTML / PDF / Images) using LLMs to isolate relevant information [Temporal, Node.js , Typescript , Effect].
• Event-driven leads management system - Contributed in building a system based on temporal workflows and xstate state machines [Temporal , Node.js , Typescript , Xstate , Effect].

Senior software / data engineer

I was responsible for architecture and development of various systems in Data and ML space. I've prototyped and delivered data products

• Renovation Underwriting Risk Scoring - Worked with business experts to create a unique risk scoring product for renovations. Developed an app that uses the same complex logic in the analytics layer and in the event-driven service. [BigQuery, dbt, JavaScript (for BQ UDF), Looker, Jupyter Notebooks, BDD - cucumber]
• Probability of Conversion and Close Dates Projections - Developed statistical models to estimate the probability and close date of active opportunities. This improved sales forecasting accuracy compared to previous manual estimations. [Python, pandas, BigQuery, ML, dbt, jupyter notebooks]
• Custom Data Ingestion Pipelines with Meltano - Created and maintained several custom taps; for instance one to collect mortgage rates.
• Management of Modern Data Stack: Stitch, Fivetran, Hightouch, BigQuery,Terraform (mainly for permissions), Segment,and dbt
• Designed and created a POC app for data gathering of renovation jobs that could be used for automatic cost estimates. [Ruby,Rails ,PostgreSQL]

Staff Data Engineer

I developed and architected various systems in Data and CRM space. I helped teams to achieve tech and business objectives

• Leads Management System - Utilized ML lead scoring events to prioritize calls. [Scala, Kafka Streams, Docker]
• API Service - Developed a service to expose customer's behavioural data to other services that required it. [Kotlin, Spring Boot, Open API]
• SMS Rules Service - Enabled quick AB tests and text sending capabilities. [Scala, Kafka Streams]
• Leading CDP Integration Project - Led the integration of all customer-related data with a dedicated third-party system. [Kotlin, Spring Boot, AWS,Ruby]
• Team Support and Mentorship

Senior Data Engineer

Working full time as an engineer in the data team. Working with Redshift, Airflow, Spark, Kafka, Scala and Ruby.

• Identity Stitching and Sessionization Services - Developed services to unify analysis of unauthenticated users. [Scala, Spark, AKKA-HTTP]
• Kafka Cluster Provisioning - Provided Kafka cluster for production use across the entire organization. [Cloudformation, Puppet]
• RabbitMq to Kafka Migration - Migrated all RabbitMQ client apps to Kafka. [Ruby]
• Architect and Delivery of CDC and Events Pipelines - Created pipelines on top of Kafka along with client libraries for integration. [Scala, Ruby, AWS services]

Devops / Data Engineer

Working on the deployment platform built on top of AWS, Cloudformation and Puppet. Working closely with data team on provisioning Redshift and Snowplow framework

• Snowplow Framework integration to collect data from the Web Pages and Loaded them into Redshift warehouse. [Scala, Ruby, Redshift, AWS EMR]
• Created a library to handle ingestion of data from 3rd party Systems. [Ruby, Redshift]

Senior Software Developer and a Team lead

Team lead and active developer.

• Service to generate PDF documents from HTML templates. Introducing docker containers. [Python]
• Changing core data models, introducing in-flight migration framework. [Ruby, Rails]
• Leading a team of developers to create a new insurance products

Senior Software Developer

Handling complex business cases around policy management and policy renewal. Working with Ruby, Rails, Rspec and Cucumber

• Working on the new version of the insurance sales platform. [Ruby, Rails, Rspec, Cucumber]
• Adding new features to insurance retention platform. [Ruby, Rails, Rspec, Cucumber]
• Presenting and teaching about best practices to write tests and how to use them effectively

Software Developer

Ruby, Rails, CoffeeScript Developer.

• Developing new features and maintaining https://kanbanery.com/

Software Developer

PHP Developer / Ruby on Rails developer

• I worked on a mobile tracking analytics platform that used piwik analytics suite

PHP Developer

Designing and creating web applications in Zend Framework, jQuery and PostgreSql

PHP Developer

During my studies I was working as a PHP developer in a few small web interactive agencies. At the time I was using: Zend Framework, CodeIgniter, MySql, jQuery. I used e-commerce Magento Platform to create dedicated e-stores.