Balint A.

Balint A.

Ruby on Rails Developer

Budapest, Hungary
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About Me

I am a backend-focused Software Developer with expertise in creating backend solutions, building proficient gems and maintaining apps using Ruby on Rails and its related technologies. I develop and deliver solutions that are robust, scalable, usable and secure on projects. I work on challenging technology problems - devising strategies and choosing the right tools and methods for projects.

Work history

UpStack
UpStack
Ruby on Rails Developer
2021 - Present (4 years)
Remote
  • Creating and developing innovative software solutions for clients across a broad range of industries.

  • Participate in scrums consisting of cross-functional teams, both software and hardware.

  • Ensure that features are being delivered efficiently and on-time.

Alternative Energy Solutions
Alternative Energy Solutions
Senior Backend Developer
2020 - Present (5 years)
Remote
  • Implemented complex ETL pipelines and executed several data analytics scripts to help process PV solar farm metrics.

  • Developed highly complex ETL pipelines in Python with Luigi central scheduler. Wrote and optimized existing code on the solution for a cleaner codebase with improved runtime.

  • Designed and deployed new features and intricate unit tests for data analytics on the project. Developed several features for a Ruby on Rails project.

Cloudera
Cloudera
Senior Hadoop Engineer
2019 - 2020 (1 year)
Budapest, Hungary
  • Built and deployed web automation tools to speed up component testing processes, leading to a 90% time reduction.

  • Worked on multiple scripts to speed up the use of Kerberos authentication and resolve replications on isolated clusters.

  • Designed and developed large numbers of complex Hadoop clusters on the project - undertaking end-to-end project delivery.

SAP
SAP
Service Delivery Lead
2015 - 2019 (4 years)
Hungary
  • Engineered and implemented several task automation tools to improve database migration within SAP. Developed a GUI tool (Ruby on Rails) for metric comparison after major code releases.

  • Managed and delivered the largest DBMS migration for all data centres around the globe for SAP.

  • Provided reporting-line transparency on the project - synchronizing tasks and delegating issues to meet SLAs.

Portfolio

Software Developer - Peak - PV Solar Farm Analytics
Software Developer - Peak - PV Solar Farm Analytics

Performed Backend development of complex data analytics and ETL pipelines for calculating KPIs and losses and other sophisticated metrics related to PV Solar farms. Technologies used in the project: Python, Luigi, PostgreSQL, Ruby on Rails.

Senior Hadoop Engineer - Cloudera
Senior Hadoop Engineer - Cloudera

Cloudera delivers an enterprise data cloud for any data, anywhere, from the Edge to AI. Powered by the relentless innovation of the open-source community, Cloudera advances digital transformation for the world's largest enterprises. Developed ETL pipelines for Hive using Luigi central scheduler. Created web-automation tools with Python and Selenium to speed up component testing, which reduced the required time by 90%. Created multiple scripts to speed up the usage of Kerberos authentication to help the issue replication on isolated clusters. Built large numbers of complex Hadoop clusters.

Education

Python
Python
Test Dome
2020 - 2020
Bachelor's Degree in Information Technology
Bachelor's Degree in Information Technology
Óbuda University, John von Neumann Computer Science Faculty
2010 - 2015 (5 years)