Augustin is available for hire

Augustin Juričić

Verified Expert in Engineering

Domain-driven Design (DDD) Developer

Location

Split, Croatia

Toptal Member Since

August 12, 2016

Augustin has 14 years of experience developing software using .NET, Java, and various web technologies. His professional background spans overseeing and developing public-facing web applications, business services, and developing command-line utilities. His style can be described as pragmatic TDD. He has experience working in up to 10 developers' teams as well as doing individual work. His real passion lies in doing experiments with machine learning.

Back-end LINQ Microsoft Visual Studio HTML5 .NET ASP.NET C#jQuery T-SQL (Transact-SQL)Test-driven Development (TDD)SQL ASP.NET Web API ASP.NET MVC 6 xUnit.net xUnit

Portfolio

NEOGOV

T-SQL (Transact-SQL), Microsoft SQL Server, AngularJS, TypeScript...

HR Cloud

T-SQL (Transact-SQL), Microsoft SQL Server, AngularJS, TypeScript...

Siemens

Java, C++

Experience

Object-oriented Design (OOD) - 8 years C# - 8 years Test-driven Development (TDD) - 5 years REST - 4 years ASP.NET Web API - 4 years Domain-driven Design (DDD) - 3 years TypeScript - 2 years React - 1 year

Availability

Part-time

Preferred Environment

Git, Sublime Text, Visual Studio, Windows, JetBrains Rider, Visual Studio Code (VS Code), .NET 5, TypeScript, Python 3

The most amazing...

...feeling is knowing that whatever I do today will pale in comparison with what I'll do tomorrow.

Work Experience

Software Architect

2017 - 2019

NEOGOV

Architected and improved high-availability web applications in a structured and fault-tolerant manner using domain-driven design, SOLID principles, and various design patterns.
Optimized existing applications to improve performance and scalability through refactoring of code using .NET, LINQ, and stored procedures. Analyzed and optimized relational database management systems on QA, staging, and production environments.
Automated the build and deployment and implemented CI to frequently deploy high-quality code into production with minimum downtime.
Performed interviews, onboarding, mentoring, and reviews of developers. Led and drove development operations initiatives. Performed code reviews resulting in quality/maintainable code.
Automated and implemented migration, backup, and recovery procedures. Automated load tests using Python and Locust. Created joins and subqueries for complex queries involving multiple tables.

Technologies: T-SQL (Transact-SQL), Microsoft SQL Server, AngularJS, TypeScript, Entity Framework, C#, ASP.NET Web API

Senior Software Developer

2013 - 2017

HR Cloud

Designed and implemented a RESTful API for performance. Designed and implemented query architecture to read data without violating business rules.
Designed and implemented rating and approval workflow according to domain-driven design principles.
Implemented a unit testing framework on top of xUnit to enable BDD tests.
Designed and implemented an engine for transferring business rule validation metadata to the front-end.
Created an in-house database migration tool (support for multiple interconnected databases).
Implemented a web application used as a single sign-on provider for all company applications.

Technologies: T-SQL (Transact-SQL), Microsoft SQL Server, AngularJS, TypeScript, Entity Framework, C#, ASP.NET Web API

Senior Software Engineer

2012 - 2013

Siemens

Implemented both back-end (C++) and front-end (Java) features.
Implemented a configurable HTTP server for serving sample XML documents (C++), used in testing the application.
Implemented automated acceptance tests in Robot Framework.
Implemented tools to validate sent and received voice data (C++).

Technologies: Java, C++

Software Developer

2006 - 2012

Internet Partner

Implemented an administrative website for managing hotel accommodations and pricing using WebForms and MS Access.
Implemented a customer-facing embeddable website component for booking hotel accommodations.
Integrated the system with a GDS provider using an exchange of CSV documents via FTP.
Exposed XML web service implementing OTA standard.
Implemented a website for searching and booking hotel accommodations (ASP.NET MVC).

Technologies: Microsoft Access, CSS, HTML, JavaScript, ASP.NET MVC, ASP.NET Web Forms, Visual Basic, C#

Experience

Perform

https://www.neogov.com/products/perform/

Perform is the only full-featured employee performance management software targeting the US public sector. I worked on the project as senior back-end developer and junior architect.

xUnit.InheritBDD

https://github.com/omittones/inheritbdd-xunit

xUnit extension to allow writing BDD style tests using class inheritance. Minimum configuration required, ability to create self-hosted test suits.

eBooking - Online Reservations

http://www.internetpartner.hr/index.php/2011-09-30-14-26-41/2011-09-30-14-26-41/hoteli

Application for managing availability and pricing for hotels and private accommodation. It includes the ability to integrate into hotel pages as well as a full administrative interface, integration with GDS and other distribution systems, and a booking portal site for tourists searching for accommodation. I was a junior back-end and front-end developer.

Dispatcher System for GSM-R Network

http://www.convergence-creators.siemens.com/gsm-r-dispatcher.html

A complete dispatcher solution built with C++ and Java on a GSM-R network infrastructure.
- Adaptive Communication Environment
- Interface to network via ISDN, MLP, and SMPP
- Cross-platform compatible with Linux as the primary platform
- Continuous integration
- Acceptance testing done with Robot Framework

Skills

Languages

T-SQL (Transact-SQL), TypeScript 2, HTML5, JavaScript, C#, TypeScript, SQL, C, C++, Visual Basic, Java, HTML, CSS, Python, Python 3

Frameworks

Entity, NUnit, ASP.NET Web API, .NET, ASP.NET MVC 6, ASP.NET, Windows PowerShell, AngularJS, Angular, ASP.NET Web Forms, ASP.NET MVC, .NET 5

Libraries/APIs

LINQ, Web API, Web API 2, jQuery, Node.js, React, Entity Framework

Tools

Microsoft Visual Studio, Sublime Text 3, Hangfire, xUnit, xUnit.net, Visual Studio, Sublime Text, Git, Microsoft Access, JetBrains Rider

Paradigms

REST, Test-driven Development (TDD), Object-oriented Design (OOD), Object-oriented Programming (OOP), Domain-driven Development

Other

APIs, Domain-driven Design (DDD), Back-end, Command-line Interface (CLI), OWIN

Platforms

Amazon Web Services (AWS), Windows, Visual Studio Code (VS Code)

Storage

Azure Cloud Services, SQL Server 2014, SQL Server 2016, Microsoft SQL Server

Education

2002 - 2006

Master's Degree in Computer Engineering

Faculty of Electrical, Mechanical and Naval Engineering (FESB) - Split, Croatia

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