Goran Tikas
System Architect at Infinum- Claim this Profile
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English Professional working proficiency
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Croatian Native or bilingual proficiency
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German Elementary proficiency
Topline Score
Bio
Credentials
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AWS Certified Solutions Architect – Associate
Amazon Web Services (AWS)Apr, 2022- Nov, 2024 -
Access Controls
CourseraDec, 2021- Nov, 2024 -
Node.js, Express, MongoDB & More: The Complete Bootcamp
UdemySep, 2021- Nov, 2024 -
The Complete JavaScript Course: From Zero to Expert!
UdemyMay, 2021- Nov, 2024 -
The Complete Web Development Bootcamp
UdemyFeb, 2021- Nov, 2024 -
Operating Systems from scratch - Part 1
UdemyDec, 2020- Nov, 2024 -
ITIL® Foundation Certificate in IT Service Management
ITIL CertifiedDec, 2014- Nov, 2024
Experience
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Infinum
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United States
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IT Services and IT Consulting
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200 - 300 Employee
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System Architect
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Jul 2022 - Present
- Architecture for migration CloudFoundry services on AWS cloud (ECS, API Gateway, Lambda, RDS, Alexa skills, S3, ElastiCache, OpenSearch) that serves more than half a million consumers in multiple regions - Architecture for migration CloudFoundry services on AWS cloud (ECS, API Gateway, Lambda, RDS, Alexa skills, S3, ElastiCache, OpenSearch) that serves more than half a million consumers in multiple regions
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Hrvatski Telekom
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Croatia
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Telecommunications
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700 & Above Employee
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IT Architect & Research and Development Expert
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Apr 2021 - Jul 2022
• Introduction new architecture to improve Identity and Access Management for digital channels (OIDC, OAuth2.0, RBAC, ABAC, MFA) • Self Sovereign Identity – working with international team, design SSI solution for prepaid registration
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Technical Lead and Solution Architect for Order Management
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Oct 2015 - Dec 2021
• Lead international team (HR, BIH, India), 40+ people • Responsible for resource planning (time, people and cost management) • Close cooperation with business team, analyze business requirements • Define application functionalities, • Agile methodology • Create technical documentation • Presentation architecture solution to board members • Designed a complex cross-platform, fault-tolerant, cloud ready system (docker, OpenShift) • Designed the microservices system… Show more • Lead international team (HR, BIH, India), 40+ people • Responsible for resource planning (time, people and cost management) • Close cooperation with business team, analyze business requirements • Define application functionalities, • Agile methodology • Create technical documentation • Presentation architecture solution to board members • Designed a complex cross-platform, fault-tolerant, cloud ready system (docker, OpenShift) • Designed the microservices system architecture that replaced existing monolith • Designed an event-driven, Kafka based, architecture for the new IT landscape, • Architecting and designing integration middleware with legacy online services (anti - corruption layer), use Redis, Kafka to improve performances • Code and solution review • Close cooperation with QA team to analyse defects and propose solution • Low level design for Order Management domain which encompasses applications below: • Product Catalog - Design Release and Versioning capability, Modeling Offers, CFSS, Prices, Rules, C2C integration capabilities, Designing Sales Support APIs and decomposition APIs • Order Execution - Design Orchestration, Decomposition and Distribution Rules, Camunda workflow engine • Order Tracking system (O360) - Architecting system that uses CDC to collect changing events asynchronously, enrich data using exposed APIs • Rule Engine - Design advanced logic for processing business rules using product catalog definition, optimize compute intensive engine using near process cache • Order Capture (CPQ) - Design seamless searching mechanism integrated with retail system, Quote handling mechanism • Product Inventory - Designing DB model for storing Offers, CFSSs and Prices, synchronization mechanism, non-blocking decoupled integration with Order Execution • Order Document Management - Design event notification pattern for integration with Order Capture and Order Tracking • Home Delivery (Supply Chain Order Tracking Management)
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Solution Designer for Order Management
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Oct 2012 - Sep 2015
• Design and implement various solutions according HT business needs • Design and developing migration solution for Order Management domain (BAS migration project) • Design of convergent services and processes (telco fixed, mobile and ICT integration) • Design and development new billing interface (Donat - RBM) • Optimizing rule engine (rules can be configured not hardcoded) , optimize logging process (log levels), improvement of order orchestration process (introduce order contexts… Show more • Design and implement various solutions according HT business needs • Design and developing migration solution for Order Management domain (BAS migration project) • Design of convergent services and processes (telco fixed, mobile and ICT integration) • Design and development new billing interface (Donat - RBM) • Optimizing rule engine (rules can be configured not hardcoded) , optimize logging process (log levels), improvement of order orchestration process (introduce order contexts which will be unique through flow) • Code review, code optimization, performance tuning • Analyze business requirements • Support testing SIT, UAT • Preparing patches for production • Maintaining production (code optimization, bug fix, process optimization)
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Group Lead for Order Management
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Oct 2012 - Sep 2015
• Leading team (~ 20 people + external team members from different vendors) responsible for Order Management • Responsible for resource planning (time, people and cost management) • Responsible for technical solution review
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System Development Expert and Business analyst for Order Management
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Dec 2008 - Sep 2012
• Introduce new wholesale services in Order Management (Donat) • Analyze business requirement, implementing ICT services in HT, design and developing integration with new platforms (HP Asset Management and Combis provisioning system - ComProvis) • Design and developing new standalone TV and Internet services in Order Management (Donat) • Support testing and production • Maintaining production (defect resolution)
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Software Developer
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Apr 2007 - Nov 2008
• Implementing bundle services (dual, triple) in HT product portfolio • Replacing of legacy system (IMF) for Online services with existing order management (Donat) for fixed telco services (COMPASS project): analysis, design and development of processes, product catalog and interfaces towards provisioning (Expediter/DCAT) and billing (Geneva) systems (Oracle PL/SQL) • Designed and developed services for product catalog synchronization, automatic configuration and optimization, it… Show more • Implementing bundle services (dual, triple) in HT product portfolio • Replacing of legacy system (IMF) for Online services with existing order management (Donat) for fixed telco services (COMPASS project): analysis, design and development of processes, product catalog and interfaces towards provisioning (Expediter/DCAT) and billing (Geneva) systems (Oracle PL/SQL) • Designed and developed services for product catalog synchronization, automatic configuration and optimization, it significantly improved process of introducing new services in portfolio • Developing data services • Supporting test process (SIT and UAT)
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Education
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2001 - 2006
Josip Juraj Strossmayer University of Osijek
Master’s Degree, Electrical, Electronics and Communications Engineering -
2012 - 2013
Web Application Developer – C# i ASP.NET
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2016 - 2016
Enterprise and Solution Architecture training
Enterprise and Solution Architecture -
Oracle
Oracle Database: PL/SQL Fundamentals -
Oracle
Oracle Database 11g: Program with PL/SQL -
2022 - 2022
Otvoreno učilište Algebra
CompTIA Security+
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