Hanna Likhachova
Senior Java & Big Data Engineer
Bertrange, Canton de Luxembourg, Luxembourg Availability
8+
Experience
3
Missions
2
Certifications
About
Senior Java & Big Data Engineer with 8+ years of experience building scalable backend systems and distributed data platforms for global financial and healthcare organizations. Experienced in Generative AI, LLM integration, and AI-assisted development. Oracle Certified Java Developer and VMware Certified Spring Professional.
Skills
Experience
Senior Java & Big Data Engineer
DXC Technology
Jun 2021 — Jun 2026 · 5 years 1 mo
Designed and delivered a distributed data platform for large-scale reference data processing. Developed REST services, Spark data pipelines, and a business-date calculation engine for historical data reconstruction.
JavaSpring BootApache SparkRESTful APIsKubernetesGenerative AILLM integrationAI-assisted development
Java Engineer
Viseven
May 2019 — May 2021 · 2 years 1 mo
Designed, developed, and maintained enterprise applications for global pharmaceutical and healthcare clients. Delivered scalable backend services and contributed to the development of customer-facing web applications.
JavaSpring BootRESTful APIsKubernetesMicroservices
Java Engineer
CML Team
Nov 2018 — Apr 2019 · 6 mo
Developed and enhanced backend functionality for enterprise web applications. Implemented new business features and integrated external services and APIs.
JavaRESTful APIsMicroservices
Education
Bachelor’s Degree in Software Engineering
National Technical University of Ukraine
2017 — 2020
Certifications
Oracle Certified Java Developer
Oracle
VMware Certified Spring Professional
VMware