Riad Lakehal-Ayat

Senior .NET Developer | Azure | Kubernetes

Salary / Daily rate

Amsterdam, Netherlands

Freelance

Can come onsite

Skills

Clean ArchitectureBackend DevelopmentC#.NETClean CodePostgreSQLRedisGitGitLabRESTful APIsAngularAzureMongoDBMicrosoft SQL ServerRabbitMQDockerSwagger/OpenAPIGitHubScrumRetoolElasticsearchKubernetes

Languages

French (Native)English (Fluent)Dutch

About me

Intro

Senior .NET Developer with 15+ years of expertise in full-stack development across web and mobile platforms. Proficient in architecting solutions with .NET Core, Angular, and Xamarin, while leveraging Azure and AWS cloud services. Deliver enterprise-grade applications with modern architecture patterns and both SQL/NoSQL databases, backed by Professional Scrum Master certification for efficient project delivery.

Links

Work experience

Senior .NET Developer

Elia GroupFreelance

Aug 2025 - Present

1 year 3 months

Brussels, Belgium

Senior .NET Developer

INGFreelance

Sep 2023 - Aug 2025

2 years

Amsterdam, Netherlands

Senior .NET Developer

Heijmans

Apr 2023 - Aug 2023

5 months

Rosmalen, Netherlands

Senior .NET Developer

RTL BelgiumFreelance

Nov 2022 - Mar 2023

5 months

.NET, Angular

.NET Developer

We are you (becoming iO)Freelance

Aug 2021 - Jul 2022

1 year

Remote, OR 97458, USA

.NET Core, Xamarin

.NET Developer

Synigo PulseFreelance

Oct 2021 - Jul 2022

10 months

.NET Core, Xamarin.Forms

.NET Developer

SibelgaFreelance

Jan 2020 - Jul 2021

1 year 7 months

Remote, OR 97458, USA

.NET Core, Couchbase, Xamarin.Forms

Xamarin Developer

AlrecFreelance

Oct 2019 - Dec 2019

3 months

Mijdrecht, Netherlands

Xamarin.Forms

Founder

CoinstantineFreelance

Jan 2018 - Oct 2019

1 year 10 months

Région de Amsterdam, Pays-Bas

Make your mass distribution easier and cheaper with Coinstantine. The app helps people to subscribe to distributions or airdrops easily. They can share their social media accounts : Twitter, Telegram and Bitcoin Talk for now. Coinstantine works with all Ethereum-based tokens respecting ERC-20 standard. The app is available for Android and iOS.

.NET Developer

SibelgaFreelance

Jun 2019 - Oct 2019

5 months

Région de Bruxelles, Belgique

.NET Core, Couchbase, Xamarin.Forms

.NET Core Developer

CarNext.comFreelance

Dec 2018 - Jul 2019

8 months

Région de Amsterdam, Pays-Bas

.NET Core, AWS, Node.js

.NET Developer

DLLFreelance

Apr 2016 - Dec 2018

2 years 9 months

Région de Eindhoven, Pays-Bas

.NET Core, Xamarin

.NET Developer

Groupe EurotunnelFreelance

Jul 2015 - Jan 2016

7 months

.NET Developer

GDF SUEZ TradingFreelance

Sep 2014 - May 2015

9 months

Project: Emir. Transaction reporting project. Within a 4-person team Developments: o Deal export batchs to CPML o ACK collection batchs from eRR – Collection agency reports Technical Environment C#, .NET 4.0, T-SQL, SQL Server 2008

T-SQL Developer

BNP ParibasFreelance

Nov 2013 - Aug 2014

10 months

Région de Paris, France

Project: Bolivar. Securities lending and borrowing application. Within a team of 5 developers, 8 business analysts and 3 project managers. As a Research and Development Engineer specialized in SQL. Developments: o Stored procedures in T-SQL o Optimization of stored procedures and other processes o Processing several millions of lines. o Support and work with Indian teams. Technical Environment T-SQL, SQL Server 2008, SVN, Eclipse, Jira

C# & T-SQL Developer

Société Générale Corporate and Investment BankingFreelance

Jan 2012 - Oct 2013

1 year 10 months

Project: Cobalt. Surveillance project of all the operations made by SG brokers. Within a team of 12 developers, 3 business analysts and 1 project manager. Research and Development Engineer Technical leader and head of a 3-to-5 persons sub team Developments: o Stored procedures in T-SQL o Processing several millions of lines. o Launching batches developed in C# .net o Data Integration via SSIS o Support and work with Indian teams. Management: o Developments following o Code reviews o Project coasting Other: o Staffing o Technical validations Technical Environment Visual Studio 2008/2010, C#3.5/4, T-SQL, SQL Server 2008, Oracle 10g, SSIS, ClearCase.

Developer/Support

Chapitre.com

Aug 2011 - Dec 2011

5 months

Project : Back-Office Within the e-shopping division of chapitre.com, in the Support team of the Back-Office. Users support, bug fixing and incident management. In a difficult context where IT teams have lost the management trust, the mission was to stabilize quickly the different applications managed and developed by the back-office. o Incident prioritization; o Bug and incident fixings; o Data correction. o Software correction – VB6 or C#.net –. o Contacts with third parties : Ogone and Paypal for payment module, LinkByNet server administrator; o Releasing; o Regular contacts with users; o Writing documentations for new users and new co-workers. Technical Environment Visual Studio 2008/2010, VB6, C# 3.5, SQL Server 2008, Oracle, TFS, IWS (incident management)

.NET & T-SQL Developer

Natixis

Aug 2009 - Jul 2011

2 years

Project: eMatch. Economical and accounting PNL Reconciliation. Within an 8-person team, as a Research and Development Engineer. Daily contact with business analysts. Developments: o Stored procedure in Transact-SQL – for Sybase IQ & ASE – representing 70 à 80% of the daily tasks. · Writing and editing stored procedure, queries on several millions lines tables · Optimizations by a better index management, functions, temp tables… o GUI with VB.net o Process batches with VB.net o Support and production monitoring: o User support (60 people) o Process monitoring and workload automation with Control-M Management: o Coaching a developer trainee. Technical Environment Visual Studio 2005, T-SQL, VB .NET 2.0/3.5, Sybase IQ/ASE, Control-M, Quality Center, SVN

C# Developer

Bouygues Telecom

Dec 2008 - Jul 2009

8 months

Project: Bogedo NSS. Configuration management software of telecommunication equipment of Bouygues Télécom wired network. Within a 5-person team as a developer Migration of the application from VB6 to C# .Net o Development of the GUI with C# 2.0 (Winform) o Stored procedure with Transact-SQL o Writing test plans o Releasing o Modification of the graphical charter o New icons creation o Development of a module of statistics (graphs and histograms) o Writing a user manual Technical Environment C# .NET 2.0, SQL Server 2005, T-SQL, Visual Studio 2005, Visual SourceSafe


Education

Université de Rennes I

Master 2

2002 - 2008

6 years 1 month


Licenses & certifications

Professional Scrum Master™ II (PSM II)

Issued: Sep 2022

Certified by Scrum.org

Professional Scrum Master™ I (PSM I)

Issued: Sep 2022

Certified by Scrum.org

Xamarin Certified Mobile Developer

Issued: Jan 2016

Certified by Xamarin

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