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Senior Software Engineer with .NET Expertise

Location:
Belgrade, Serbia
Posted:
December 10, 2025

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Resume:

NENAD ĆURČIN

S E N I O R S O F T W A R E D E V E L O P E R

+381-**-*******

**@*****.***

www.f4cio.com

Serbia

Senior Software Development Engineer with over 15 years of expertise in designing, developing, and deploying innovative .NET applications. Specialized in delivering robust, scalable, optimized, user-centric software, API integrations and cloud solutions. Adept at driving projects from conception to completion, mentoring teams, and optimizing processes.

SKILLS

• C#, Python, Angular

• .NET, ASP.NET (Core, MVC,

WebForms)

• MS SQL, SQLite, PostgreSQL, Oracle

• AWS, Azure, Windows Server, IIS,

Apache, Kestrel

• GIT, SVN, TFS

• DevExpress, Crystal Reports

• Kentico CMS, Umbraco, WordPress

• RabbitMQ, Redis cache, Salesforce,

RingCentral, MailChimp, Mojo,

REST, gRPC

EDUCATION

Master’s Degree in Computer

Science

University of Novi Sad (2012)

Microsoft Certified Professional

MS certificate 70-536: Microsoft .NET

Framework -Application Development

Foundation (2009)

ACHIEVEMENTS

• Key-player in making high-traffic

eCommerce site, handling 1000s of

daily visits, which became #1 in

Slovenia (at MediaLab)

• Migrated legacy systems to Azure,

reducing costs by 30% while

improving performance and

scalability (at Proximo)

• Held "product ownership" many

times. For one consultant company

took care of all their .Net clients -

often times from idea to production

(see Proximo)

• Worked on 2m lines of code project

(at GMG)

EXPERIENCE

SENIOR .NET SOFTWARE ENGINEER 2022 – 2025

EliteBrains LLC. (100% remote work)

• Migrating www.Zepter.com sites from Kentico 12 to 13; upgrading architecture to SPA frontend + gRPC API backend; adding payment processors; customer support; temporarily leading 15-developers team

• Full implementation and “ownership” of AI book generation site www.BookSynth.com

• Did microservices architecture and upgrades from .NET Core to .NET 9

• .NET Core/.Net 9, ASP.NET MVC, C#, Kentico CMS, MS SQL Server, gRPC API, Next.js, Kestrel, Azure, Angular, LINQ, Entity Framework, MySQL, Docker, ECR, ECS, EC2, RabbitMQ, S3, Elastic BeansTalk. OpenXML, ITextSharp, Serilog, Betalgo Open AI, Redis cache, Entity Framework, Lambda .

SENIOR .NET SOFTWARE DEVELOPER 2021 – 2022

True Cloud ERP / WeighPay Group Inc. (100% remote work)

• Independently extended and maintained pricing system and in collaboration with other company members integrated it into wider solution

• Worked on prototyping new modules for solution that were presented to investors

• DevExpress (controls & reporting for WF, MVC, Core & Blazor), .NET6, ASP.NET (Core, MVC), .Net Core, C#, LINQ, Word press, Redis cache, Entity Framework, Python, MySQL, Docker, ECR, ECS

SENIOR DOTNET DEVELOPER 2016 – 2021

AutoVitals Inc. (100% remote work)

• Held “project ownership” of CRM incident ticketing system with focus on robustness; did customer support

• Automated ticket-based CRM reducing 500+ daily error reports to manageable <50

• Developed number of back-end periodically run console applications mostly for various data transfers and synchronizations

• ASP.NET (MVC), .Net Core, C#, Console, Node.js, Web API, RabbitMQ, LINQ, Entity Framework, MS SQL Server, T-SQL, Salesforce API, MojoHelpdesk API, RingCentral API and Asana API

1/2

SENIOR FULL STACK DEVELOPER 2013 - 2016

Proximo Consulting Services Inc. (100% remote work)

• Covering 11 projects in parallel for their clients (this was their .Net ecosystem)

• Migrated 8 projects to Azure did Azure cost optimization

• C#, ASP.NET, ASP.NET MVC & Razor, jQuery, Angular, Ajax, HTML, CSS, Windows Services, JavaScript, SQL, HTML, CSS, XAML, Web Services, MSSQL, Oracle, SQLite, MySQL, T-SQL, ADO.NET, LINQ, Powershell, Entity Framework, Windows Forms, Windows, IIS, Apache, Git (GitHub), SVN, Visual Studio . SOFTWARE DEVELOPMENT LEAD 2011 - 2012

MediaLab DOO (100% remote work)

• Held “project ownership” of eCommerce 1nadan.si during its fastest growth from few visitors per day to 1000+ until it became #1 in Slovenia

• Done a lot of scaling and performance optimizations and later lead newcomers in the team

• C#, Windows Forms, ASP.NET MVC & Razor, LINQ, LINQ2SQL, MS SQL Server, MailChimp API, T-SQL, MS Reports JUNIOR SOFTWARE DEVELOPMENT ENGINEER 2007 - 2011

Levi9 Global Sourcing (office work in Serbia)

• Thrown to different project, team and technology every few months

• Worked for example on www.adidas.com/neo that integrated social networks like Twitter, Facebook, VKontakte, Renren and Mixiin or on GMG that had code base of 2 million lines

• ASP.NET, C#, Windows Forms, Windows services, LINQ, ADO.NET, MS SQL Server, T-SQL, TFS, WCF, Umbraco CMS SOFTWARE DEVELOPMENT ENGINEER 2007 - Present

Self (30+ spare-time free pet projects)

• Made computer-vision-based carpet measurement system http://www.f4cio.com/photo-measure

• Made/trained AI virus & spam mail detector http://www.f4cio.com/aispammaildetector

• Made automated brute-force RDC attacks defender for Firewall http://www.f4cio.com/requestfloodguard

• Solutioned file-level library moduler for .Net and used it in most projects http://www.f4cio.com/selfishbuildingblocks

• Made image-recognition-based popup auto-clicker http://www.f4cio.com/csautoclick

• Made one-click site deployment tool and used it in multiple projects http://www.f4cio.com/website-deployment-tool

• Made .Net version of Enso launcher to speed up own computer work http://www.f4cio.com/ensoplus

• Pyhton, Microsoft.ML, Emgu.CV, .Net/C#, .Net Forms LANGUAGES

• English (fluent),

• Russian (intermediate),

• French (intermediate),

• Hungarian (elementary),

• Serbian (mother tongue)

REFERENCES

Letters of recommendation from employers can be found at my blog: http://www.f4cio.com/recommendations 2/2



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