Experience & Skills
I've spent the last few years building data infrastructure and distributed systems at scale. Here's what I've learned and the tools I work with.
Work History
Software Engineer - Infrastructure
Asana · Warsaw, Poland
- ▪Engineering and maintaining high-throughput data infrastructure on AWS (Kinesis, S3) for reliable ingestion of large-scale event streams
- ▪Building scalable data pipeline tooling using Bazel in large-scale monorepo, improving pipeline reliability and developer productivity
- ▪Provisioning cloud infrastructure using Terraform, ensuring consistent and reproducible environments for distributed services
AWSKinesisS3TerraformBazelPythonGoBash/Shell
Software Engineer - Data
P&G · Warsaw, Poland
- ▪Delivered data systems for 200+ stakeholders with real-time dashboards
- ▪Optimized 10TB+ monthly pipelines, achieving 30% performance gain
- ▪Automated reporting infrastructure, boosting team productivity 40%
DatabricksPySparkAirflowPythonSQLAzure Data Lake
Software Engineer - ML & Data
P&G · Warsaw, Poland
- ▪Reduced manufacturing scrap by 30% with ML systems, saving $50K annually
- ▪Improved model accuracy 20% through advanced feature engineering
- ▪Deployed predictive models to production, improving efficiency 15%
Pythonscikit-learnMLflowPandasPostgreSQLMachine Learning
Software Engineer - Freelance
Fiverr · Remote
- ▪Built scalable backend serving 5,000+ concurrent users
- ▪Implemented secure OAuth authentication with role-based access
- ▪Optimized database queries, reducing API response times 15%
PythonFastAPIDjangoPostgreSQLDocker
Technical Stack
PythonSQLJavaGoBash/ShellSparkPySparkAirflowKafkaDatabricksMLflowPandasNumPyscikit-learnAzure (ADF, Databricks, Data Lake, Synapse)AWS (EC2, S3, Lambda, Glue, Redshift, EMR)GCP (BigQuery, Dataflow)KubernetesPostgreSQLMySQLSQL ServerSnowflakeRedisElasticsearchRedshiftDelta LakeFastAPIDjangoDockerTerraformGitGitHub ActionsJenkinsDBTJupyterGrafana
Let's Connect
If you're interested in discussing infrastructure challenges, data systems, or working together on a project, I'd love to hear from you.
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