Senior Full-Stack Developer & Tech Lead | Java | .NET | Angular | React

Zagreb, Croatia

Only remote

Master of Engineering in Computing (mag. ing. comp.), University of Zagreb, FER, 2006

Zagreb, Croatia

Only remote

Master of Engineering in Computing (mag. ing. comp.), University of Zagreb, FER, 2006

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About me

Senior full-stack developer with 19+ years of experience: C#/.NET and Java backends, Angular frontends, SQL databases, microservices, RabbitMQ and Kafka, Docker, Kubernetes and Azure. Team lead and Scrum Master. I work in English, fully remote, B2B through exe.cutor d.o.o. (Zagreb, EU).

KeycloakHelmAzure DevOpsASP.NETJava (Programming Language)JavaScriptMicrosoft AzureC Sharp (Programming Language)Entity FrameworkHibernatePostgreSQLMicrosoft SQL ServersNode.jsOAuthOracle Databases

C# / .NET backend development

19+ years of software development, strongest in backend. C#, .NET 10, .NET 8, .NET Core, .NET Framework, ASP.NET Web API, MVC, WCF, Entity Framework Core, NHibernate. REST APIs and microservices for banking, card acquiring and issuing, health insurance CRM, tolling and sports betting.

Java backend development

Java, Spring Boot, Quarkus, Hibernate, REST services. Seven years on a fleet management platform for a German client (Java REST services, Apache Kafka, PostgreSQL). Sun Certified Java Programmer.

Angular and TypeScript frontend

Angular (5 to current versions), TypeScript, RxJS, Redux, HTML5, CSS / SASS, Bootstrap; also React, JavaScript, jQuery. Full-stack delivery of Angular single-page applications on .NET and Java backends. Node.js in project work.

Databases

SQL Server, Oracle (PL/SQL), PostgreSQL, IBM Db2, Informix. Relational data modelling, query optimisation, reporting.

Messaging and integration

RabbitMQ, Apache Kafka, Redis queues, webhooks, payment integrations (Stripe, Skrill), OAuth 2.0 / SSO (Keycloak, ADFS), event-driven architecture.

Cloud and delivery

Microsoft Azure, Docker, Docker Compose, Kubernetes, Helm, CI/CD with Azure DevOps and GitHub Actions, Git / Git Flow, Linux.

Team leadership and Scrum

Team lead and Scrum Master for teams of 3 to 5 engineers, maintenance team lead, deployment manager, release and production support.

Core skills: C#, .NET, ASP.NET Web API, Entity Framework Core, Java, Spring Boot, Quarkus, Hibernate, SQL, PL/SQL, SQL Server, Oracle, PostgreSQL, TypeScript, JavaScript, Angular, React, RxJS, Node.js, RabbitMQ, Apache Kafka, Redis, OAuth 2.0, Keycloak, Microsoft Azure, Docker, Kubernetes, Helm, Azure DevOps, GitHub Actions, Git, REST API, Microservices, Scrum.

Working languages: English (fluent) and Croatian (native); no German. Fully remote, B2B through exe.cutor d.o.o. (Zagreb, Croatia, EU).

Experience

Professional experience10+ years

Freelancer since2018

Languages

EnglishFluentCroatianNative speaker

Project history

Co-Founder | Full-Stack Developer

Exe.cutor.eu

Entwicklung und Bereitstellung von Cloud-Plattformen fuer Mauterhebung, Flottenmonitoring, CRM und Finanzdienstleistungen mit Java, .NET Core, Angular, React, PostgreSQL, MS SQL Server, Docker und Kubernetes. Verantwortung fuer REST APIs, Geschaeftsprozesse und relationale Datenmodelle. Leitung von Teams mit 3 bis 5 Entwicklern, Sprint-Planung und technische Entscheidungen. Scrum Master fuer agile Teams. Unterstuetzung containerisierter Bereitstellung mit CI/CD-Pipelines in Azure DevOps und GitHub Actions.

Senior Software Developer / Technology Analyst / Deployment Manager / Maintenance Team Lead

Hattrick-PSK

Entwicklung von Wett-, Wallet- und Backoffice-Funktionen fuer Retail-, Web- und Mobile-Kanaele in geschaeftskritischen Gaming- und Zahlungsworkflows. Design und Bereitstellung von REST APIs und Backend-Services fuer hochvolumige Wett- und Wallet-Workflows. Koordination von Wartung, Releases und Anfragenmanagement zwischen Entwicklung, QA und IT-Support. Optimierung von SQL-Abfragen und Backend-Verarbeitungsworkflows fuer Reporting und Operations.

Senior Software Developer

Kapsch Tis

Entwicklung von CRM-, DMS- und Betrugsmanagement-Systemen fuer Teilnehmeroperationen, Abrechnungsintegrationen und Entscheidungsunterstuetzungs-Workflows in Kroatien und europaeischen Maerkten. Aufbau relationaler Datenmodelle und Front-/Backoffice-Anwendungen mit .NET, ASP.NET Web Forms, JavaScript, jQuery und Oracle Database 10g (PL/SQL).

Certificates

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