02/26/2025 updated

ZE
100 % available

Senior Software Engineer with 10 years of experience by in cloud computing and microservices

Cluj-Napoca, Romania
Only remote
Master's Degree (Software Engineering)
Cluj-Napoca, Romania
Only remote
Master's Degree (Software Engineering)

Profile attachments

CV_ZoltanErsek 2.pdf

Java (Programming Language)Application Programming Interfaces (APIs)Amazon Web ServicesAndroid (Software)Android Software DevelopmentMobile Application DevelopmentCloud ComputingContinuous IntegrationDevOpsAmazon DynamoDBPostgreSQLApache MavenNode.jsNoSQLResource EfficiencySQL DatabasesTypeScriptReact.jsAWS LambdaBackendGitLabKotlinContainerizationKubernetesCassandraFull Stack DevelopmentFront End Software DevelopmentServerless ComputingDatabase AdministrationDockerJenkinsMicroservices
Cloud Computing
Extensive experience with AWS Lambda, DynamoDB, and Serverless architectures. Optimized AWS costs and improved resource efficiency.

Backend Development
Proficient in Java, Kotlin, and Node.js. Developed high-performance backend systems and APIs for various projects.

Microservices Architecture
Designed and implemented microservices-based systems. Experience with Docker, Kubernetes, and other containerization technologies.

Frontend Technologies
Knowledge of TypeScript, React, and modern frontend frameworks for full-stack development capabilities.

Database Management
Expertise in SQL and NoSQL databases including PostgreSQL, DynamoDB, and Cassandra.

DevOps and CI/CD
Familiarity with DevOps practices, including use of tools like Apache Maven, Jenkins, and GitLab for continuous integration and deployment.

Mobile Development
Experience in Android app development using Java and Android SDK.
 

Experience

Professional experience10+ years
Freelancer since2018

Languages

EnglishFluent

Project history

Senior Software Engineer

BP
Expanded global reach, developed comprehensive alerting and monitoring solutions, and optimized AWS costs for improved efficiency.

Senior Software Engineer

Google
Contributed to migrating Fitbit Android project, improved backend systems, and led redesign of software pedometer for 40 million users.

Senior Java Backend Developer

Zenjob
Implemented job matching system, enhanced performance and scalability of job offer system using Groovy-based implementation.

Senior Java Backend Developer

Grubhub
Implemented bulk image upload feature, improved system availability, and conducted technical interviews for team augmentation.

Senior Java Developer

Hewlett Packard Enterprise
Migrated SOAP API to REST API, integrated application with Docker and Kubernetes, and resolved complex customer cases for high-profile clients.

Android Developer

Wirtek
Developed Android apps for various purposes including beer sales, kitchen furniture showroom, and mental health hospitals.

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