Description

Senior backend engineer with 20+ years of experience in backend architecture, system architecture, distributed systems design, technical leadership, and application modernization, building and scaling REST APIs, Spring Boot microservices and distributed systems for enterprise environments. Proven track record leading teams, improving system performance, and driving architectural modernization initiatives. Fluent in Java and Python with recent expertise in AI/LLM integrations (OpenAI, DeepSeek, Ollama, Vertex AI). Committed to solving complex backend problems while mentoring teams to grow. Proven track record navigating heavily regulated environments (banking, insurance) with strong attention to data security, GDPR compliance, and audit requirements.

Industry field of expertise

Languages

English
Fluent
Czech
Native or bilingual
Slovak
Native or bilingual
German
Basic

Workplace preferences

Can work on-site

Vienna (up to 50km)

Allianz Technology GmbH,
Senior Java developer
BANKING AND INSURANCE
April 2018 - Today (8 years and 4 months)
Vienna, Austria
Developed Spring Boot-based middleware REST microservice for transformation of JSON payload between different applications
Implementation of JSON REST API
Refactored push message sending module with asynchronous sending implementation for REST services
Migration of map services from Google maps API to Here maps API
Improved team effectiveness through leadership and guidance
React/Go Lang application migration to Amazon cloud environment
Java GO Spring boot REST PostgreSQL
Ten Lines s.r.o.,
Senior Software Engineer
DIGITAL AND IT
August 2012 - Today (14 years)
Bratislava, Slovakia
Designed web application for clinical trial management with React and Spring Boot
Designed and implemented LLM-based document intelligence system using embeddings and semantic retrieval (OpenAI, local models), enabling context-aware search across heterogeneous data sources.
Developed AI-based speech-to-text and narrative generation pipeline for multi-source data processing.
Built agent-assisted backend automation workflows for code generation and system orchestration.
Provided technical consulting for migration of legacy applications to modern technology stacks.
Delivered proof-of-concept and production-ready backend services using Java, Spring Boot, and Python for distributed systems.
Spring boot Java AI Automation LLM React.js
Slovenská Sporiteľna a.s.,
Senior Java developer
BANKING AND INSURANCE
April 2015 - March 2018 (2 years and 11 months)
Bratislava, Slovakia
Helped design and implement a new loan processing module using Camunda workflow engine and spring boot based microservices
Used my agile experience to help the team to transition to Scrum
Provided coaching to junior team members
Maintained and supported front office application in Finantix
Java Spring boot REST Scrum

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Master degree
McMaster University
2002
Master degree
Mgr. (Master degree)
Faculty of Mathematics, Physics and Informatics Comenius University
2001
Mgr. (Master degree)

Yasin Hamid

Senior Java developer

About Yasin

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