Über Gentian
Experienced Senior Software Engineer specialized in building robust stream and batch processing ETL data pipelines for data extraction, reporting, BI solutions, and near real-time analytics. Proven track record of maintaining high-performance systems and driving efficiency. Bachelor's degree in Computer Science from the University of Prishtina "Hasan Prishtina".
Albanisch
Muttersprachlich oder zweisprachig
Englisch
Verhandlungssicher
Deutsch
Grundkenntnisse
Nur remote
Führt Projekte hauptsächlich remote aus
Projekt- und Berufserfahrung
- KlarnaSenior Software Engineer - Card & BankingApril 2022 - Heute (4 Jahre und 2 Monate)Berlin, GermanyKlarna is a fintech company that provides a range of services primarily focused on simplifying the shopping and payment experience making it as smoooth and convenient as possible for both consumers and merchants.- Led the architectural design and implementation of a high-performance risk and fraud banking decisioning engine, handling tens of thousands of requests per second with an SLA/SLO adherence under 300/100 ms.- Designed and implemented an ETL data pipeline for banking deposits data, supporting regulatory reporting with 30M+ records spanning over the past 10 years.- Optimized Lakehouse architecture integration, transitioning from a queue based to a file-based approach, reducing data processing time from 24-48 hours to 1-2 hours, significantly improving overall efficiency, data quality, and reconciliation processes. Tech Stack:- Languages: TypeScript, Python, Java, SQL- Frameworks: AWS CDK, Node.js, NestJS, FastAPI- Cloud (AWS): Lambda, DynamoDB, S3, Glue, Athena, EventBridge, SNS, SQS, EC2, IAM, Redshift, RDS, Aurora, CloudFormation, Managed Flink Service, CloudWatch- Monitoring: Datadog, Splunk, Sentry, Prometheus- Tools: Docker, Kafka, Airflow, Jenkins, Bash, Git
- MobivateSenior Back-End DeveloperNovember 2021 - März 2022 (4 Monate)London, UK- Migrated legacy Python project from v2 to v3, transforming into a modern distributed system utilizing asynchronous architecture; resulting in a 50% reduction in server response time.- Led initiatives to refine data quality measures, resulting in 99.9% data accuracy rates; implemented rigorous validation checks that enhanced the reliability of business intelligence outputs.- Revamped back-end systems and APIs, adding monitoring, observability tools, introducing real-time performance tracking, reducing system downtime by 15% and increasing operational reliability. Tech Stack:- Languages: Python, JavaScript, SQL- Frameworks: FastAPI, Flask, Django- Databases: MySQL, MongoDB- Tools: Docker, Portainer, Redis, RabbitMQ, Kafka, Celery, SQLAlchemy, Bash, Git
- StarLabs(Senior) Back-End DeveloperSeptember 2020 - November 2021 (1 Jahr und 2 Monate)Pristina District, Kosovo- Migrated a Django monolithic application into asynchronous FastAPI microservices, resulting in a 20% improvement in API response time.- Achieved 98% test coverage across seven different microservices by implementing automated testing frameworks and integration tests.- Supported system integration of diverse data sources and technologies used in the design, construction, testing, deployment, and operations of BI solutions.- Developed comprehensive platform for data extraction, visualization and analysis.- Worked together with UI/UX designers and product owners to conceptualize and build new features end-to-end. Tech Stack:- Languages: Python, SQL, PL/pgSQL- Frameworks: Django, FastAPI- Databases: PostgreSQL, MySQL- Tools: Airflow, Puppeteer/Pyppeteer, Docker, Kubernetes, Celery, SQLAlchemy, S3, dbt, Ansible, Bash, Git, Linux
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Ausbildung und Abschlüsse
- Bachelor of Science in Computer ScienceUniversity of Prishtina "Hasan Prishtina"2018The curriculum covered a comprehensive range of topics: Fundamentals of Programming, Algorithms and Data Structures, Computer Architecture, Operating Systems, Software Engineering, Web Programming, Computer Networks, Data Security, Distributed Systems, Data Mining, Internet Security, and Cloud Computing among others