Bela Bocsak
Full Stack Lead Developer, Backend Architect
Experience
Full Stack Lead Developer, Backend Architect
Telefonica (O2)
The software supports the complete planning and approval of antennas for mobile telephony.
The system was implemented using an event-driven microservice architecture for cloud-native deployment with Quarkus on the backend, Kafka for communication, and Angular for the frontend. Services run on Kubernetes in Google Cloud. A special challenge was synchronizing with the legacy system still used by some users.
Full Stack Developer, Frontend Architect
MediaMarktSaturn
Managed payments, refunds, goodwill cases, outbound and return shipments for the MediaMarktSaturn online shop.
Replaced the legacy Spring/Vaadin system with a microservice architecture using Spring Boot, Kafka, Kubernetes, Google Cloud, GitOps, Terraform, and Kibana. Developed a new frontend in Angular.
Full Stack Lead Developer, Architect
Münchener Rückversicherung AG
Developed a complex C2B and B2B savings product family with mobile app and web application, supporting multi-tenant portfolio management.
Built hybrid Ionic/Angular and native iOS/Android apps. Implemented backend dispatch on Node.js delegating to dozens of Spring Boot microservices communicating via Kafka and orchestrated with Camunda. Deployed on Kubernetes in AWS (later migrated from Azure).
Full Stack Developer
Allianz AG
Redesigned and reimplemented the corporate web content management system used in 70 countries for local web presence.
Migrated to new technologies, delivering a fully redesigned functional and technical solution.
Full Stack Lead Developer, Architect
Allianz AG
Created a mobile and web-based motor insurance calculator enabling quoting and policy issuance on mobile devices and PCs.
Replaced most data entry with document scanning (vehicle registration, driver’s license).
Full Stack Lead Developer, Architect
BMW AG
Implemented an international sales platform for automobiles serving dealers, agents, and end customers with high multi-tenancy for multiple markets.
Covered the entire sales process from customer capture, vehicle configuration, quote generation, contract conclusion to financing, integrating with numerous existing systems using full JEE stack and internet UI.
Full Stack Lead Developer, Architect
Deutsche Börse / DAB Bank AG
Delivered web-based systems for trading securities and portfolio management across various exchanges with high transaction volumes.
Supported wealth managers with customer acquisition tools and analytics. Maintained asynchrony and refactored legacy systems without downtime, providing browser and mobile (iOS, Android) UIs.
Full Stack Lead Developer, Architect
SwissLife AG
Developed a system to collect, validate (rule-based, four-eyes principle), and forward security price data from multiple trading systems to back-end systems. All data is historized.
Provided a comprehensive web interface with dynamic runtime-configurable rules and interfaces.
Full Stack Lead Developer, Architect
UniCredit Bank
- Built a trade information broker for investment banking, aggregating trade data from global trading systems (RTD, ORC) and broker systems, normalizing and enriching data for downstream systems like Sophis risk calculation.
Full Stack Developer
Verband Süddeutscher Apotheken GmbH
- Implemented a system for complete prescription processing from capture and processing to billing and invoicing.
Full Stack Developer
Deutsches Patent- und Markenamt
- Developed a paperless office e-government system covering the entire file processing workflow and document management.
Projects before 2003
Various Clients
- Worked on multiple projects using legacy technologies; details available on request.
Industry Experience
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Experienced in Information Technology, Insurance, Telecommunication, Pharmaceutical, Automotive, and Banking and Finance.
Business Area Experience
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Experienced in Information Technology, Product Development, Sales, Logistics, Business Intelligence, and Finance.
Skills
Programming Languages: Java, Kotlin, C#, Typescript, Javascript, Python, Groovy, Pl/sql
Markup Languages: Xml, Json, Yaml, Html, Css
Backend: Microservices; Spring Boot (Spring Security, Spring Data, Spring Integration, …); Quarkus; Eclipse Microprofile; Vert.x; Hibernate; Jpa; Panache; Typeorm; Rest/soap Web Services; Graphql; Oauth2; Oidc; Jwt; Openapi; Swagger; Kafka; Apache Avro; Protobuf; Rabbitmq; Redis; S3 Storage; Keycloak; Mapstruct; Flyway; Liquibase
Frontend: Angular; Reactjs; Vue.js; Ionic3; Reactive Programming (Rxjs, Ngrx, Redux); Micro Frontend (Web Components, Sap Luigi); Html; Css; Sass; Material Design; Bootstrap; Primeng; Websocket; Server-sent Events (Sse)
Cloud: Aws; Azure; Gcp; Confluent; Docker; Kubernetes; Helm; Elastic-stack (Kibana, Prometheus, Grafana); Opentelemetry; Jaeger; Terraform
Web And Application Servers: Nginx; Wildfly; Websphere; Tomcat; Node.js; Nest.js
Databases: Postgresql; Mongodb; Dynamodb; Apache Cassandra; Cosmos Db + Gremlin Api; Oracle; Mariadb; Mysql
Continuous Integration & Deployment: Gitlab Ci/cd; Jenkins; Bitbucket
Testing & Test Automation: Junit; Mockito; Easymock; Assertj; Rest Assured; Mockmvc; Testng; Jbehav (Bdd); Dbunit; Jest; Testing Library; Selenium; Jasmine; Protractor; Karma; Cypress
Build Systems: Maven; Gradle
Version Control: Git; Gitlab; Github
Workflow Management & Bpm: Camunda
Search Engine: Elasticsearch
Development Tools: Intellij; Microsoft Visual Studio; Eclipse
Uml Tools: Enterprise Architect; Together; Rational Rose; Magicdraw
Project Management: Jira; Confluence
Operating Systems: Linux; Windows; Macos
Quality Management: Sonarqube
Agile Methodologies: Scrum; Safe; Kanban
Other: Clean Code; Jira; Confluence
Languages
Education
Nehézipari Műszaki Egyetem
PhD · Electrical Engineering / Computer Science · Miskolc, Hungary
Nehézipari Műszaki Egyetem
Diploma in Engineering · Electrical Engineering and Mechanical Engineering · Miskolc, Hungary
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Experience
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Profile
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