✪ Guaranteed Success ✪ Guaranteed Delivery ✪ Timely Response ✪ Project Ownership
✪ Engineering with Business Context ✪ Scalable by Design ✪ Communication You Can Rely On
Hire someone who builds data systems with purpose, not just pipelines.
I architect, engineer, and deliver systems that solve real business problems. I’m a Data Engineering Leader with 10 years of experience designing pipelines, managing large-scale data warehouse migrations, building real-time ingestion systems, and delivering high-impact business intelligence platforms. I've worked across banking, telecom, streaming, and SaaS, turning raw data into decision-grade systems.
Whether you're building real-time ingestion pipelines with Kafka, optimizing ETL for large-scale data lakes, migrating from OLTP to distributed OLAP systems, automating DAGs with Airflow, or standardizing BI across fragmented teams, I bring both the architectural vision and hands-on expertise to deliver robust, scalable solutions.
Data Architecture
➤ Logical and physical modeling, ER diagrams, schema optimization
➤ DWH design using Teradata, Greenplum, and PostgreSQL
Real-Time Systems and Pipelines
➤ Kafka, Spark, TimescaleDB, Airflow, Debezium, MQTT
➤ Python-based microservices (asyncio, psycopg2)
Business Intelligence and Analytics
➤ Qlik Sense, Tableau, Apache Superset, Jasper Reports
➤ KPI dashboarding, multi-source integration, stakeholder enablement
Cloud and DevOps
➤ AWS (Lambda, S3, EC2, IAM), Docker, Bash scripting
➤ GitHub workflows, CI/CD pipelines, systemd-based deployments
Data Scraping and Mining
➤ Custom web scrapers, API clients, document extraction engines
➤ Text mining using Elasticsearch and Python
Project Experience
➤ Built scalable Kafka pipelines for IoT telemetry ingestion using MQTT and TimescaleDB
➤ Migrated mission-critical warehouses to MPP OLAP systems for banking and telecom clients
➤ Led multi-team Agile delivery with full JIRA and Git ownership
➤ Created semantic search engines using Elastic and Python
➤ Delivered BI dashboards enabling product, finance, and marketing teams to self-serve insights
What You Can Expect?
Clear communication and regular syncs
Strong ownership from design through deployment
Systems built for performance, resilience, and maintainability
A partner who understands both technical depth and business context
If you're looking for someone who can lead your data engineering efforts and deliver results that scale, I'm ready to help.
Apache Spark
Data Engineering
Apache Kafka
ETL Pipeline
Python
PostgreSQL
AWS IoT Analytics
Data Warehousing
Data Modeling
Business Intelligence
Qlik Sense
Amazon Web Services
Cloud Engineering
Data Analytics
SQL
Christopher B.
Voels, Austria
$22/hr
5.0
1 jobs
I am a software developer with a strong foundation in web application development, particularly using Java, Spring Boot, and PrimeFaces. With extensive experience in various programming languages and frameworks, including C/C++, Python, R, SQL, and Haskell, I bring a diverse skill set to the table. I am proficient in developing robust, scalable, and efficient applications, with a particular focus on RESTful web services.
I am about to attain a Bachelor's degree in Computer Science from the University of Innsbruck, where I have also pursued studies in Linguistics, Classical Studies, Chemistry, and French, reflecting my broad interest in both the technical and humanistic aspects of learning.
My professional experience includes roles as a software engineer at MCI Management Center Innsbruck, where I worked extensively with Java, Spring, and PrimeFaces, and as an intern at the Maritime Pilots Institute in New Orleans/Houston. Additionally, I have tutored privately and worked with Schülerhilfe in Innsbruck, highlighting my ability to convey complex technical concepts to diverse audiences.
I am particularly adept at machine learning, probability and statistics, parallel computing, and quantum programming, underpinned by a solid understanding of Linux OS programming and general Linux skills. My language proficiency extends to German, English, French, Spanish, Turkish, Latin, and Russian, allowing me to collaborate effectively in multilingual environments.
In my projects, I have demonstrated my capability to manage full project lifecycles, from inception to deployment, ensuring high-quality deliverables that meet client expectations. My portfolio includes a Spring Boot web app for e-commerce database management, and I regularly share my insights through articles on Medium and code repositories on GitHub.
I am committed to continuous learning and professional growth, embracing challenges as opportunities to innovate and excel. My scientific mindset, combined with a disciplined and driven approach, enables me to contribute effectively to dynamic and evolving fields.
Let's connect and explore how I can help you achieve your business goals.
Java
PrimeFaces
Jakarta EE
Python
Jakarta Server Faces
Spring Boot
C
C++
SQL
Applied Mathematics
Discrete Mathematics
Machine Learning
Erik G.
Vienna, Austria
$40/hr
5.0
10 jobs
Highly skilled Senior Software Developer with 8 years of experience in developing robust applications. Certified in Java/Spring Framework, SQL, and Cloud Computing. Proven expertise in designing, implementing, and optimizing software solutions in fast-paced environments.
Google Cloud Certified Professional Cloud Engineer
Oracle Certified Associate: Oracle Database SQL (IZO-071)
VMware Certified Spring Professional: Spring (EDU-1202)
Oracle Certified Professional: Java SE 11 Developer (IZO-819)
Oracle Certified Associate, Java SE 8 Programmer (IZO-808)
The skills I have expertise and experience:
Frameworks: Spring Framework (Data Management, JDBC Transactions, Spring Data JPA, Spring Boot, Spring MVC, Spring REST, Spring Test)
Programming Languages: Java, JavaScript, TypeScript
Tools and Platforms: Kafka, Kubernetes, Liquibase, GitLab CI/CD, JIRA, Confluence, BitBucket, Jenkins, Grafana, Kibana
Api and Middleware: REST, JSON, SOAP, OPENAPI
Databases: MySQL, Oracle, PostgreSQL, H2 DB
Languages: German (Fluent), English (Fluent), Russian (Fluent), Armenian (Native)
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