11/11/2026 updated

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Solution Architect & Technical Consultant | Integration | Cloud & Event-Driven

Zagreb, Croatia
Only remote
Master of Electrical Engineering (Electronics & Computer Science)
Zagreb, Croatia
Only remote
Master of Electrical Engineering (Electronics & Computer Science)

Profile attachments

Ante_Romac_Solution_Architect_CV.pdf

About me

Solution Architect with 18+ yrs designing scalable enterprise systems (Telecom BSS/OSS & US Healthcare). Specialist in AWS, microservices, Kafka event-driven architectures, API integrations, and HLD/LLD modeling. Proven track record leading technical teams and client-facing workshops.

SAFeAgile MethodologyAmazon Web ServicesBusiness Process Model and NotationBusiness Process ManagementBusiness Support SystemsPostgreSQLOracle DatabasesScrum MethodologySoftware ArchitectureCloud ServicesService-Oriented ArchitectureSimple Object Access Protocol (SOAP)Solution ArchitectureSystems ArchitectureSystems DesignTypeScriptUMLEvent-driven ArchitectureSpring BootBackendKanbanKubernetesApache KafkaOSS/BSSApi DesignRestful ApiAngular UiDockerMicroservices
Software Solution & System Design
Expertise in designing distributed systems, microservices architectures, and API design for large-scale enterprise platforms across telecommunications BSS/OSS and US healthcare domains.

Enterprise System Integration
Proficiency in REST APIs, OpenAPI (Swagger), SOAP, Kafka event-driven architecture, and enterprise integration patterns to connect core engines with external enterprise platforms.

Architecture & Process Modeling
Creation of High-Level Design (HLD) and Low-Level Design (LLD) specifications, UML diagrams, and BPMN workflow modeling for complex telecom OSS/BSS business processes.

Full Stack Development
Development with Angular, TypeScript, Node.js (NestJS), Java (Spring Boot), and modern UI workflows for enterprise healthcare and telecom portals.

Domain Expertise: Telecom BSS/OSS & Healthcare
Deep knowledge of Telecom BSS/OSS platforms and US healthcare platforms including Health Plans, Clinical Assessment Platforms, and HIPAA Compliance.

Cloud & DevOps
Hands-on experience with AWS infrastructure, Kubernetes, Docker, and CI/CD pipeline automation for cloud-native deployments and containerized microservices.

Agile Leadership & Presales
Experience in technical presales, customer workshops, requirement analysis, RFI/RFP support, and Agile methodologies including Scrum, SAFe, and Kanban.

Databases
Working knowledge of Oracle, PostgreSQL, MongoDB, and Cassandra for backend data management in enterprise-grade applications.

Quality & Performance
Validation of Non-Functional Requirements (NFR), ensuring high availability, system resilience, fault tolerance, and scalability across distributed architectures.

Experience

Professional experience10+ years
Freelancer since2010

Languages

GermanBasic knowledgeEnglishFluentCroatianNative speaker

Project history

Senior Technical Consultant / Solution Architect

Care Lumen
Serving as Senior Technical Consultant for US healthcare clients, contributing to solution design and implementation for Clinical Assessment Platforms. Contributed to Kafka event-driven integrations on AWS for secure, real-time data flow. Designed and implemented backend microservices using NestJS, TypeScript, and MongoDB on AWS cloud infrastructure. Supported CI/CD pipeline optimization, containerization, and platform deployment tasks. Developed frontend architecture using Angular and TypeScript for clinical assessment modules.

Senior Technical Consultant / Full Stack Engineer

Newfire Global Partners
Participated in SAFe PI Planning, architectural refinement sessions, and cross-team discussions to shape API contracts, interface designs, and system boundaries. Implemented Kafka event-driven components integrated with AWS services for high-volume, real-time data exchanges between health plans and providers. Senior full-stack contributor to enterprise Health Plans & Services platforms for Tier-1 US healthcare clients including Centene. Developed scalable microservices and RESTful APIs using NestJS, TypeScript, and MongoDB. Designed frontend architecture and UI components in Angular and TypeScript for complex healthcare management portals.

Solution Architect / Senior System Integrator

Ericsson Nikola Tesla
Served as Solution Architect, Lead Developer, and Team Lead on large-scale BSS/OSS projects for Tier-1 telecom operators. Authored HLD and LLD specifications using UML and BPMN platforms. Led cross-functional engineering teams in end-to-end delivery of enterprise BSS/OSS platforms. Architected distributed backend services and REST/SOAP APIs using Node.js, Java Spring Boot, Oracle, PostgreSQL, and Kafka. Designed cloud-native microservices architectures (Kubernetes) and event-driven integration patterns (Kafka). Drove technical presales initiatives, customer workshops, and solution proposals (RFP/RFI) for Tier-1 global telecom operators. Spearheaded end-to-end system integrations, performance tuning, and NFR validation.

Integration & Verification Engineer

Ericsson Nikola Tesla
Designed and automated test architecture and deployment frameworks using Python and Bash for continuous integration across multi-vendor telecom platforms. Validated distributed system architectures, BPMN signaling workflows, and interface specifications for core network elements (VoIP, SIP, ISUP). Ensured system interoperability and protocol compliance for Tier-1 global operators including Verizon, Telefonica, Orange, British Telecom, and TeliaSonera. Architected end-to-end system validation environments to assess NFRs including high availability, fault tolerance, and system scalability. Drove root-cause architectural analysis and incident resolution for high-priority production issues.

Certificates

ITIL v4 Foundation

AXELOS

2019

Certified SAFe 4 Agilist

Scaled Agile

2017


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