Gavrilo Olah - Head of Software Development

Q: Where is Gavrilo based?

Gavrilo is based in Erkelenz, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Gavrilo speak?

Gavrilo speaks the following languages: Croatian (Native), Serbian (Native), German (Advanced), English (Advanced), Russian (Intermediate) .

Q: How many years of experience does Gavrilo have?

Gavrilo has at least 32 years of experience. During this time, Gavrilo has worked in at least 12 different roles and for 9 different companies . The average length of individual experience is 2 years and 4 months . Note that Gavrilo may not have shared all experience and actually has more experience.

Q: What is Gavrilo's latest experience?

Gavrilo's most recent position is Head of Software Development at Davidsmeyer & Paul GmbH .

Q: What companies has Gavrilo worked for in recent years?

In recent years, Gavrilo has worked for Davidsmeyer & Paul GmbH , HAYS AG , and CommDoo GmbH .

Q: Which industries is Gavrilo most experienced in?

Gavrilo is most experienced in industries like Information Technology (IT) , Transportation and Logistics , and Manufacturing . Gavrilo also has some experience in Banking and Finance and Professional Services .

Q: Which business areas is Gavrilo most experienced in?

Gavrilo is most experienced in business areas like Information Technology (IT) , Product Development , and Project Management . Gavrilo also has some experience in Logistics , Marketing , and Human Resources (HR) .

Q: Which industries has Gavrilo worked in recently?

Gavrilo has recently worked in industries like Manufacturing , Information Technology (IT) , and Professional Services .

Q: Which business areas has Gavrilo worked in recently?

Gavrilo has recently worked in business areas like Information Technology (IT) , Product Development , and Project Management .

Recommended expert

Erkelenz, Germany

Experience

Dec 2022 - Present

3 years 3 months

Erkelenz, Germany

Head of Software Development

Davidsmeyer & Paul GmbH

Strategic project development, realisation, and implementation with internal and/or external development team
Multi stakeholder management
Planning new projects, cost calculation, risk calculation
AI project for the electrical components production
Building management systems integrations (BACnet, Modbus, etc)
Inhouse BACring system architecture and development (control system for fire protection and smoke extraction systems)
Inhouse MES system architecture and development
Project management
Agile-SCRUM project development
Solution architecture and processes analytics (UML)
Business application development
Jira project management
Reporting and documentation
Recruitment process for the IT staff
Software architecture, project development, costs, risks
Education IT staff (internal and external)
Responsibility for 5 development/DevOps/QA teams

Apr 2022 - Dec 2022

9 months

Development Lead – Inhouse CRM Project (HR)

HAYS AG

Project realisation and implementation with internal and/or external development team
Team lead – internal development and testing team
Team lead – outsourcing development and testing team (India)
Cooperation with other team leads in the company and partner’s development teams
Participation in the recruitment process for the IT staff

Direct responsibility area:

Team lead - internal software development and testing teams
Salesforce MDM integration
IDNow integration
Dev lead technologies: .NET, .NET Core, MSSQL, MySql, C#, MongoDB, MVC, Entity Framework, Kafka, MS Azure Cloud, RESTful (WebAPI and OData), JS native and frameworks, jQuery, HTML5, CSS, TypeScript, multilayer and microservice architecture, TFS, CI/CD, Docker, Kubernetes, unit and integration testing, SonarQube

Sep 2020 - Dec 2022

2 years 4 months

Team Lead / Solution Architect

Davidsmeyer & Paul GmbH

Planning new projects, cost calculation, risk calculation
Building management systems (BACnet, Modbus, etc) integrations
Inhouse BACring system architecture and development (control system for fire protection and smoke extraction systems)
Inhouse MES system architecture and development
Project management
Agile-SCRUM project development
Software architecture and processes analytics (UML)
Business application development
Jira project management
Reporting and documentation
Cooperation with other team leads in the company and partner’s development teams
Cooperation and communication with integration department from the partner’s company, activities synchronization and common project testing
Participation in the recruitment process for the IT staff

Direct responsibility area:

Software architecture, project development, costs, risks
BACnet certification
Team lead internal software and hardware development team (.NET Core, C, C++, Linux kernel, embedded Linux, Yocto)
Team lead external (outsourcing) application development team

Lead Developer and Software Architecture technologies:

.NET, .NET Core, MSSQL, MySql, C#, MVC, Web Forms, MAUI, Entity Framework, Redis, BACnet, Modbus, MS Azure Cloud, RESTful (WebAPI and OData), JS native and frameworks, jQuery, HTML5, CSS, TypeScript, Kendo UI, SignalR, multilayer and microservice architecture, VS 2017/2019, Git, CI/CD, unit and integration testing, Docker, Kubernetes

Sep 2020 - Apr 2022

1 year 8 months

Mönchengladbach, Germany

Senior IT Consultant

CommDoo GmbH

Strategic project development, realisation and implementation with internal and/or external development team
Planning new projects, cost calculation, risk calculation
Agile-SCRUM development
Software architecture and processes analytics (UML)
Business application development
Jira project management
Reporting and documentation
.NET and .NET Core projects
Web-shop payments plugins (Shopware, JTL, WooCommerce etc)
Project management
Payment integrations projects
Azure Cloud applications

Nov 2019 - Sep 2020

11 months

Mönchengladbach, Germany

Senior Full Stack Developer (Lead Project Developer)

CommDoo GmbH

Lead developer for the payment gateway - banking connector project (Invoice-Payment and Rate-Payment)
Lead developer for the API project – connector for online shops to banking Invoice Payment and Rate Payment system
Systems analysis and modelling
Agile-SCRUM development
Software architecture and processes analytics (UML)
Business application development
Inclusion of junior developers in the project
Jira project management
Estimation time calculation and total cost calculation
Reporting and documentation
Responsibility for timeline and priorities
Sprint planning, retrospective and analytics
Cooperation with other team leads in the company
Support, IT consulting service and cooperation in other projects in the company
Cooperation and communication with integration department from the bank, activities synchronization and common project testing
Smartphone app projects

Direct responsibility area:

Software architecture and development of the most important parts of the project (DB layer, infrastructure layer, repository layer, etc)
Database development
Software development team of 4 programmers (tasks, timeline, daily stand-up meetings and sprint meetings)
Inhouse IT projects
Customer online portal, checking portal etc
Smartphone app development

Techniques used:

MVC, Web Forms, Web API, C#, ASP.NET 4.7, OOP, Xamarin
Repository design pattern, clean code
Front end development (HTML, CSS, Angular, JS, jQuery, DevExpress, Kendo UI)
Export/import to/from external applications
Visual Studio 2017, Git, .NET, C#
Database development – MSSQL DB, Entity Framework, T-SQL
Technical documentation
Jira, Confluence
CI/CD, TDD (unit and integration testing), Docker, Kubernetes, Azure Cloud

Mar 2019 - Oct 2019

8 months

Cologne, Germany

Group Lead – Lead Senior Developer

CANCOM GmbH

Responsibility for project development
Systems analysis and modelling
Agile-SCRUM development
Software architecture and processes analytics (UML)
Business application development
Inclusion of new programmers in the project
Jira project management
Estimation time calculation and total cost calculation
Reporting and documentation
Responsibility for timeline and priorities
Sprint planning, retrospective and analytics
Cooperation with other team leads in the company
Support, IT consulting service and cooperation in other projects in the company
Version control (Smart-Git)

Direct responsibility area:

Software architecture and development of key project parts (DB layer, infrastructure layer, repository layer, etc)
Database development
Software team of 3-5 programmers (tasks, timeline, daily stand-up meetings and sprint meetings)
CMS, complex web application, in-house web application

Technologies used:

MVC, Web API (Standard and OData), C#, ASP.NET 4.7, OOP, repository design pattern, clean code
Front end development (HTML, CSS, Angular, JS, jQuery, DevExpress, Kendo UI)
Export/import to/from external applications
Visual Studio 2017, Git, .NET, C#
Database development – MSSQL DB, Entity Framework
YouTrack project and tasking management system

Nov 2018 - Mar 2019

5 months

Cologne, Germany

Full Stack Senior Developer

CANCOM Pironet AG & Co. KG

Web application development (Agile SCRUM)
Software architecture and processes analytics (UML)
Business application development (grids, reports, GUI etc)
Responsive design – Bootstrap technology
Front end development - responsive design, Bootstrap, HTML5, CSS3, JS, jQuery
Angular application development
Kendo UI and DevExpress front end frameworks
Integration with external data sources with export and import data (API and OData Controllers)
Back end development: MVC, Web API (Standard and OData), C#, ASP.NET 4.7, OOP
SignalR – real time programming
Visual Studio 2017, Git, .NET, C#
Database development – MSSQL DB, T-SQL, Entity Framework
Technical documentation
YouTrack project and tasking management system

Jun 2017 - Oct 2018

1 year 5 months

Oberhausen, Germany

Software Engineer and Senior Web Application Developer (Lead Developer)

Artner EDV Lösungen

Web application development (Agile SCRUM) for a document management system
Visual Studio 2017, TFS, .NET, C#
Responsive design – Bootstrap technology
Database development – MSSQL DB, classic SQL connection, Entity Framework
Back end development WebForms, Web API (C#, ASP.NET 4.7, OOP)
Front end and GUI development (Bootstrap, HTML5, CSS3, JS, jQuery)
DevExpress UI controls for web, mobile and desktop
SignalR – real time programming
DocuVieware – Imaging and PDF SDK (ORPALIS – GDPicture.NET)
System analytics
Development of new error processing system including integration with JIRA
Technical documentation

Jan 2015 - Dec 2019

5 years

Erkelenz, Germany

Owner – IT Consultant

TOG Soft

Managing a company
Lead developer and IT consulting
Systems analysis and modelling
Agile-SCRUM development
Software architecture and processes analytics (UML)
Business application development
Project management with outsourcing development teams
Jira project management
Estimation time calculation and total cost calculation
Reporting and documentation
Responsibility for timeline and priorities
Sprint planning, retrospective and analytics with remote development teams

Jan 2010 - Dec 2015

6 years

Novi Sad, Serbia

Owner, CEO and Software Engineer

Nova Soft Doo

Managing a company and IT consulting
Lead developer
Agile-SCRUM development
Software architecture and processes analytics (UML)
Business application development
Project management with outsourcing development
Web design (.NET 3.5–4.5; C#, HTML, CSS, JS)
Desktop application development (.NET 4.0–4.5; C#, MSSQL)

Jan 2009 - Dec 2010

2 years

Web and Desktop Application Developer (Mid-Level/Senior)

Desktop application development (.NET 3.5, C#, MSSQL)
Website development backend (.NET 3.5, C#)
Website development frontend (HTML, CSS, JS, C#)
SEO control (meta tags, H tags, image properties, content relevance)

Jan 2006 - Dec 2009

4 years

Development of CMS applications (WordPress, Joomla etc)
Development of custom business applications
Management of Windows and Linux hosting packages
Plesk and cPanel administration (domains, subdomains, email accounts, databases, backup)

Jan 2000 - Dec 2006

7 years

Desktop application development
Development of business applications
Small to mid-level financial and accounting software
Security camera system setup and integration to computer networks

Jan 1994 - Dec 2000

7 years

Belgrade, Serbia

First Assistant Head of Logistic

Airport “Batajnica”

Electronic data processing
System analysis and technical documentation for the logistics information system
Development of information systems in transport department
Responsibility for computers and computer network in logistics department

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (22.5 years), Transportation (7 years), Manufacturing (5.5 years), Banking and Finance (1 year), and Professional Services (0.5 years).

Information Technology

Transportation

Manufacturing

Banking and Finance

Professional Services

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (32 years), Product Development (23 years), Project Management (16 years), Logistics (7 years), Marketing (2 years), and Human Resources (0.5 years).

Information Technology

Product Development

Project Management

Logistics

Marketing

Human Resources

Summary

Highly experienced Leader/Engineering Manager/Solution architect with long-time experience in agile software development and microservice software architecture (also in building management systems and fire protection industry). Excellent knowledge of data communications protocols (such as BACnet, Modbus), various frameworks and a proven track record in software development projects in cooperation with well-known business partners.

Skills

Software Architecture - 5 - 15
It Project Development - 5 - 15
It Project Management - 5 - 15
C# & .Net / .Net Core - 5 - 18
Mssql/mysql Database Development - 5 - 22
T-sql - 5 - 22
Mongodb - 4 - 3
Win Forms - 5 - 20
Web Forms - 5 - 20
Mvc - 5 - 15
Web Api / Odata - 5 - 12
Entity Framework - 5 - 15
Linq - 5 - 15
Html/css - 5 - 25
Js - 5 - 25
Angular Js - 4 - 5
Jquery - 4/5 - 20
Bootstrap - 5 - 13
Jira/bitbucket/confluence - 4 - 12
Youtrack - 4 - 3
Oop - 5 - 18
Git - 5 - 13
Tfs - 4 - 8
Azure - 5 - 12
Msacces/vba - 4 - 10
Redis - 5 - 8
Kafka - 4/5 - 5
Linux - 4 - 6
Embedded App - 4 - 6
Telerik-kendo - 5 - 10
Dev-express - 4 - 8
Iot - 5 - 4
Tech Documentation - 5 - 15
Unittest - 5 - 10
Integration/e-to-e Test - 5 - 10
Drivers Licence A,b,c;

Languages

Croatian

Native

Serbian

Native

German

Advanced

English

Advanced

Russian

Intermediate

Education

Oct 1993 - Jun 1996

Transport and Logistics

Oct 1989 - Jun 1993

High school (Gymnasium)

Certifications & licenses

BACnet Certification

ITIL – Certificate

Profile

Created

July 2025

Need a freelancer? Find your match in seconds.

Try FRATCH GPT

Frequently asked questions

Do you have questions? Here you can find further information.

Where is Gavrilo based?

Gavrilo is based in Erkelenz, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Gavrilo speak?

Gavrilo speaks the following languages: Croatian (Native), Serbian (Native), German (Advanced), English (Advanced), Russian (Intermediate).

How many years of experience does Gavrilo have?

Gavrilo has at least 32 years of experience. During this time, Gavrilo has worked in at least 12 different roles and for 9 different companies. The average length of individual experience is 2 years and 4 months. Note that Gavrilo may not have shared all experience and actually has more experience.

What roles would Gavrilo be best suited for?

Based on recent experience, Gavrilo would be well-suited for roles such as: Head of Software Development, Development Lead – Inhouse CRM Project (HR), Team Lead / Solution Architect.

What is Gavrilo's latest experience?

Gavrilo's most recent position is Head of Software Development at Davidsmeyer & Paul GmbH.

What companies has Gavrilo worked for in recent years?

In recent years, Gavrilo has worked for Davidsmeyer & Paul GmbH, HAYS AG, and CommDoo GmbH.

Which industries is Gavrilo most experienced in?

Gavrilo is most experienced in industries like Information Technology (IT), Transportation and Logistics, and Manufacturing. Gavrilo also has some experience in Banking and Finance and Professional Services.

Which business areas is Gavrilo most experienced in?

Gavrilo is most experienced in business areas like Information Technology (IT), Product Development, and Project Management. Gavrilo also has some experience in Logistics, Marketing, and Human Resources (HR).

Which industries has Gavrilo worked in recently?

Gavrilo has recently worked in industries like Manufacturing, Information Technology (IT), and Professional Services.

Which business areas has Gavrilo worked in recently?

Gavrilo has recently worked in business areas like Information Technology (IT), Product Development, and Project Management.

What is Gavrilo's education?

Gavrilo attended education in Transport and Logistics.

Does Gavrilo have any certificates?

Gavrilo has 2 certificates. These include: BACnet Certification and ITIL – Certificate.

What is the availability of Gavrilo?

Gavrilo is immediately available full-time for suitable projects.

What is the rate of Gavrilo?

Gavrilo's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.