Rajesh Karnena
Senior Software Engineer at HelloFresh
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolRajesh Karnena is a Senior Software Engineer based in Berlin with 7 years of experience building resilient, cloud-native transactional communication systems at scale. He has strong Java and Spring expertise and a track record at Walmart Global Tech and HelloFresh of migrating monoliths to microservices, improving platform reliability to 99.99%, and automating large migrations of events and templates. Rajesh blends systems design with observability—he’s implemented state machines for idempotency, built monitoring and reliability dashboards with Splunk/Grafana/Kibana, and reduced support load via tooling like a Slack bot. His background from NIT Trichy and history of student leadership suggest he pairs technical rigor with practical coordination and stakeholder empathy. Notably, he has hands-on experience solving both operational peak-load issues and compliance challenges such as PII encryption and GDPR data purges.
7 years of coding experience
6 years of employment as a software developer
Schooling, 91%, Schooling, 91% at St. Joseph's High School, SrikakulamBachelor of Technology (B.Tech.), Computer Science and Engineering, CGPA: 7.5, Bachelor of Technology (B.Tech.), Computer Science and Engineering, CGPA: 7.5 at National Institute of Technology, TiruchirappalliSchooling, Mathematics, Physics, Chemistry, 97.5%, Schooling, Mathematics, Physics, Chemistry, 97.5% at Sri Chaitanya Jr. College, Visakhapatnam
Telugu, English, Hindi, Tamil
Github Skills (50)
database-migrations10
sqlite10
postgresql10
mysql10
migration10
sql-migrations10
sql10
golang10
database-migration10
migration-tool10
schema10
migrate10
database10
restful-api9
commons9
Programming languages (2)
Github contributions (5)
rajeshkarnena/rajeshkarnena
Jul 2021 - Mar 2025
Contributions:2 pushes, 1 branch in 3 years 8 months
rajeshkarnena/handy-scripts
Jan 2021 - May 2021
Contributions:2 pushes, 1 branch in 3 months
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