Scala Developer Resume Sample

▪ Developed highly scalable data pipelines using Kafka, Spark, Scala, Cassandra and OpenShift, processing over 200GB of data mon thlythly.
▪ Enhanced scalability/cost savings by moving data processing applications to AWS Cloud(Kubernetes) from on on-prem(OpenShift).
▪ Utilized Java, Spring Boot & relational databases to create a backend part of a customer portal with statistics on traffic from internal and 3rd party systems.
▪ Streamlined authentication process using Oauth2, Spring Boot, and Spring Cloud, reducing security vulnerabilities and improving system reliability.
▪ Developed a robust backend for POI POI-like system, resulting in improved customer satisfaction and retention.

Key Technologies: JAVA, Scala, Spring Boot/Cloud, Hibernate, Feign, Liquibase, QueryDSL, PostgreSQL, MongoDB, Cassandra, Junit, Mockito, AWS, OpenShift, Git , Jenkins , Zeppelin

▪ Developed and maintained advertising and rewarding system, generating reports for data from mobile applications, using AWS Kinesis and Play Framework.
▪ Streamlined multiple tenant support for global clients through development of a versatile, backend application with technologies like Java, Play Framework and PostgreSQL.

Key Technologies : JAVA, Play Framework, Spring, Hibernate, Liquibase, Swagger, QueryDSL, PostgreSQL, REST, AWS Kinesis, AWS, JUnit.

▪ Developed secure standalone application for digital signature Qualified Certification Authority, digital signature verification, encryption and decryption documents using cryptographic smart cards, ensuring interoperability with standards for digital
signaturesignature.
▪ Maintained system for management of cryptographic cards: certificate requests, create and write certificates on smart cards, revoke certificates certificates.
▪ Developed GUI and webservice components for digital sign certification requests using cryptographic cards and java applets applets.
▪ Developed functions for the business processes, GUI elements development, unit testing, code refactoring and maintaining the processing of system documents documents.

Key Technologies: JAVA 7/8, EJB, Hibernate, GWT, JavaFX, Java Applets, Wildfly 9/JBoss 7, PostgreSQL, IBM DB2, Maven, Bonita, Orbeon, eID DSS, IAIK

▪ Assisted in the development and maintenance of software applications, writing clean, efficient, and well-documented code using Java and other relevant technologies.
▪ Conducted unit testing and participated in system testing to ensure the quality and functionality of software applications, identifying and fixing bugs to maintain high performance and reliability.
▪ Collaborated with senior developers to implement new features and enhancements, following project specifications and contributing to the continuous improvement of the software products.

▪ Assisted in the development and maintenance of software applications, ensuring code quality and adherence to project requirements using Java and related technologies.
▪ Identified and resolved software defects and issues reported by users or discovered during testing, contributing to the overall stability and performance of the applications.
▪ Worked closely with senior developers and other team members to implement new features and improvements, participating in code reviews and collaborative problem-solving sessions.