Available to hire
Hi, I’m Sameera Fonseka, an IT Specialist with over 14 years of experience building full-stack, high-performance, scalable business applications. I work with C#, .NET, Azure, Angular, Docker, and SQL to deliver robust solutions that boost security, reliability, and time-to-market.
I enjoy exploring new technologies and solving complex problems, and I’m always looking for opportunities to apply secure, maintainable, and efficient software practices across finance and automotive domains. Based in Stuttgart, I’m excited to contribute to innovative teams in Germany and beyond.
Skills
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Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Language
English
Fluent
Work Experience
Lead Developer at Mercedes-Benz Mobility AG
September 10, 2018 - PresentLead development of INFINITE, a global web-based point of sale system for car dealers, improving customer journey and purchase experience by streamlining transactions like quotations, financing applications, contract generation, and e-signature. Responsibilities included requirement analysis, feature development, DevOps setup using Octopus and Teamcity, production support, and application maintenance. Technologies used included MS Visual Studio, MS SQL Server, HTML5, CSS3, Angular 5, Asp.Net API, Entity Framework, Docker, Kubernetes, Azure, and Microservices.
Senior Consultant at Crédit Agricole Corporate & Investment Bank
September 7, 2018 - July 10, 2025Worked on multiple projects including a mini document management system, a mobile site for SharePoint 2010 portal, a fully responsive contact directory, issue tracking application, and a standard request tool for new initiatives. Responsibilities involved requirement analysis, design, development, support, and maintenance. Utilized technologies such as MS Visual Studio, MS SQL Server, HTML5, CSS3, Angular 5, Asp.Net MVC, SharePoint, Lucene.Net, Bootstrap, WCF, LINQ, Entity Framework, SSIS, and SSRS.
Senior Software Engineer at Ogilvy & Mather Pte Ltd
March 21, 2014 - July 10, 2025Developed Dumex project, a web portal facilitating communication between consumers and experts on parenthood issues. Designed and implemented question and answer platforms, article publishing modules, administrative modules, data migration and synchronization, and SEO-friendly URLs. Worked with SharePoint 2010 backend, Microsoft Visual Studio, SQL Server 2008, LINQ, and ASP.Net 3.5.
Software Engineer at Content Management & Solutions Pvt Ltd
January 11, 2013 - July 10, 2025Led design and development of a B2B shopping portal with stock management and third-party integrations such as QAS for address lookup and Lyris for newsletters. Ensured SEO friendly URLs and customizable platform for different client looks. Technologies included Microsoft Visual Studio .Net, Microsoft SQL Server, IIS Server, LINQ, Classic ASP, and ASP.Net.
Software Engineer at Creo360 (Pvt) Ltd
May 8, 2011 - July 10, 2025Designed and developed DealerUps CRM to track vehicle leads and manage customer relationships and activities. Developed vehicle search, administration, and reservation modules supporting multiple clients and customization. Included integration of driver's license scanning. Also worked on Pen project for digitizing paper forms using Anoto pen for business analysis. Technologies used were Microsoft Visual Studio .Net, SQL Server, IIS, LINQ, Extjs, Coolite, ASP.Net.
Software Engineer at IParadim (Pvt) Ltd
January 31, 2010 - July 10, 2025Developed software solutions as part of a team.
Associate Software Engineer at Centuryware Solutions (Pvt) Ltd
December 23, 2008 - July 10, 2025Started career as an Associate Software Engineer.
Lead Developer at Mercedes-Benz Mobility AG
September 10, 2018 - PresentLed development of INFINITE (Insurance Finance IT Enabler), a global web-based POS for car dealers aimed at streamlining customer journeys and purchase experiences by digitalizing credit processes. Handled requirement analysis, design, new feature development, DevOps setup, production support, and maintenance. Technologies used included MS Visual Studio 2019, MS SQL Server 2016, HTML5, CSS3, Angular 5, Asp.Net API, Entity Framework, Docker, Kubernetes, Azure, and Microservices. Also developed a Financial Calculator application to provide simple financial quotes fitting customer capabilities and financial products.
Senior Consultant at Crédit Agricole Corporate & Investment Bank
September 7, 2018 - July 28, 2025Developed and maintained various banking applications such as document management systems, mobile versions of SharePoint portals, contact directory websites, issue tracking, and request tools. Responsibilities covered requirement analysis, design, development, and maintenance using technologies including MS Visual Studio, MS SQL Server, HTML5, CSS3, Angular 5, Asp.Net/MVC, SharePoint, Lucene.Net, LINQ, Entity Framework, SSIS, SSRS, and K2 Black Pearl. Featured focus on workflow management, dashboards, reports, and data migration.
Senior Software Engineer at Ogilvy & Mather Pte Ltd
March 21, 2014 - July 28, 2025Designed and developed a Q&A communication web portal for Danone, supporting interaction between consumers and experts. Developed features included Q&A platform, administration modules, search, article management using SharePoint backend, data migration, synchronization, and SEO URL rewriting. Technologies included SharePoint 2010, Microsoft Visual Studio .Net 2010, Microsoft SQL Server 2008, IIS Server, LINQ, Entity Framework, and ASP.Net 3.5.
Senior Software Engineer at Content Management and Solutions Pvt Ltd
January 11, 2013 - July 28, 2025Developed B2B shopping portal with stock management functionalities. Designed a single customizable code platform with third-party integration for address lookups and newsletter services. Responsible for SEO URL rewriting. Technologies used included Microsoft Visual Studio .Net 2012, Microsoft SQL Server 2005, IIS Server, LINQ, Classic ASP, and ASP.Net 4.0.
Software Engineer at Creo360 (Pvt) Ltd
April 30, 2011 - July 28, 2025Developed DealerUps CRM for vehicle and customer relationship management. Implemented user activity tracking, dynamic dashboards, customer relationship monitoring, and driver's license scanning module integration. Developed Car Rental System managing customers, dealers, vehicles, reservations, and pricing. Mentored undergraduate students. Technologies included Microsoft Visual Studio .Net 2008, Microsoft SQL Server 2008, IIS Server, LINQ, LINQ to Sql, ASP.Net 3.5, Extjs, and Coolite.
Software Engineer at IParadim (Pvt) Ltd
January 31, 2010 - July 28, 2025Worked as software engineer, details of specific responsibilities are not provided.
Associate Software Engineer at Centuryware Solutions (Pvt) Ltd
December 23, 2008 - July 28, 2025Entry-level role as associate software engineer developing software solutions, further details not specified.
Lead Developer at Mercedes-Benz Mobility AG
September 10, 2018 - PresentResponsible for requirement analysis, designing, developing new features, DevOps setup, production support, and maintenance of the INFINITE web-based POS platform for car dealers. Technologies used include MS Visual Studio, MS SQL Server, Angular, Asp.Net API, Entity Framework, Docker, Kubernetes, Azure, and microservices. Also developed a Financial Calculator application for car financing quotes.
Senior Consultant at Crédit Agricole Corporate & Investment Bank
September 7, 2018 - July 29, 2025Analyzed requirements, designed, developed, and maintained multiple applications such as CSE Portal (document management), InsideLive Mobile site, Pocket Directory, ISISControls issue tracking, and START Project loan requests workflow. Worked with technologies including SharePoint, MS Visual Studio, MS SQL Server, Angular, Asp.Net MVC, Lucene.Net, LINQ, Entity Framework, SSIS, and SSRS.
Senior Software Engineer at Ogilvy & Mather Pte Ltd
March 21, 2014 - July 29, 2025Designed and developed a web portal (Dumex Project) for customer interaction including Q&A platform, articles management using SharePoint backend, data migration and synchronization, and SEO enhancements. Technologies included SharePoint 2010, Visual Studio .Net, MS SQL Server, LINQ, Entity Framework and ASP.Net.
Software Engineer at Content Management & Solutions Pvt Ltd
January 11, 2013 - July 29, 2025Designed and developed a B2B shopping portal with stock management features. Integrated third-party services like address lookup and newsletter subscriptions. Re-wrote URLs for SEO optimization. Technologies used were Visual Studio .Net, MS SQL Server, IIS, LINQ, Classic ASP, and ASP.Net.
Software Engineer at Creo360 (Pvt) Ltd
April 30, 2011 - July 29, 2025Developed DealerUps CRM for vehicle and customer relationship management including lead tracking, reporting, dashboards, and integration of driver's license scanning module. Also developed Car Rental System supporting vehicle management and reservations with multi-client and multi-look & feel support. Mentored undergraduate students. Utilized Visual Studio, MS SQL Server, LINQ, ASP.Net, Extjs, and Coolite.
Associate Software Engineer at Centuryware Solutions (Pvt) Ltd
December 23, 2008 - July 29, 2025Initial software engineering role, with responsibilities not detailed in the resume.
Lead Developer at Mercedes-Benz Mobility AG
September 10, 2018 - PresentWorking primarily on the InfiniteINFINITE platform, a global web-based POS solution for car dealers aiming to streamline customer purchasing journeys and backend credit processes. Responsible for requirement analysis, design, development of new features, DevOps setup with Octopus and TeamCity, production support, and application maintenance. Technologies used include MS Visual Studio 2019, MS SQL Server 2016, Angular 5, Asp.Net API, Entity Framework, Docker, Kubernetes, Azure, and microservices. Also worked on a Financial Calculator application providing car loan quotes tailored to customer financials.
Senior Consultant at Crédit Agricole Corporate & Investment Bank
September 7, 2018 - July 29, 2025Worked on multiple applications including CSE Portal (mini document management system), InsideLive Mobile (mobile site for SharePoint 2010 portal), Pocket Directory (responsive contact directory), ISISControls (internal issue tracking with workflows and reports), and START Project (loan request workflow system). Tasks involved requirement analysis, designing, developing, maintaining applications, and performing data migration from SharePoint 2007 to 2010. Technologies included MS Visual Studio, MS SQL Server, SharePoint, Angular 5, Asp.Net MVC, WebApi, LINQ, Entity Framework, Lucene.Net, Bootstrap, SSIS, SSRS, and K2 Black Pearl.
Senior Software Engineer at Ogilvy & Mather Pte Ltd
March 21, 2014 - July 29, 2025Developed Dumex Project, a communication platform for Danone consumers mainly mothers and pregnant women, involving Q&A platform, articles management with SharePoint backend, data migration and synchronization, SEO friendly URL rewriting, and advertising modules. Technologies used included SharePoint 2010, MS Visual Studio .Net 2010, MS SQL Server, IIS Server, LINQ, Entity Framework, and ASP.Net 3.5.
Senior Software Engineer at Content Management and Solutions Pvt Ltd
January 11, 2013 - July 29, 2025Designed and developed a shopping portal with stock management for B2B consumers. Created a customizable platform adaptable to different clients, integrated third-party services like address lookup (QAS integration) and newsletter subscription (Lyris), and ensured SEO-friendly URL structure.
Senior Software Engineer at Creo360 (Pvt) Ltd
April 30, 2011 - July 29, 2025Developed DealerUps CRM for vehicle and customer relationship management tracking leads, user activities, and reports. Designed dynamic user dashboards and integrated drivers’ license scanning modules. Also developed a Car Rental System supporting vehicle management, client support, multi-look-and-feel customization, and reservations. Mentored undergraduate students. Worked on Pen Project integrating Anoto pen for paper digitization and Web to print project featuring real-time document customization with XMPIE, online credit card payments, and multi-language support.
Associate Software Engineer at Centuryware Solutions (Pvt) Ltd
December 23, 2008 - July 29, 2025Engaged in software development assignments though specific responsibilities are not detailed in the resume.
Lead Developer at Mercedes-Benz Mobility AG
September 10, 2018 - October 27, 2025Lead Developer responsible for requirement analysis, design, and development of new features for Infinite, a global web-based POS for car dealers. Led DevOps setup using Octopus and TeamCity, provided production support, and maintained the application. Implemented MS Visual Studio-based development, SQL Server data access, HTML5/CSS3/Angular 5 frontend, ASP.NET Web API, and Entity Framework; containerized services with Docker, deployed on Kubernetes in Azure, and adopted microservices patterns to improve security, reliability, and time-to-market.
Senior Consultant at Crédit Agricole Corporate & Investment Bank (Singapore)
September 7, 2018 - September 7, 2018Senior Consultant delivering CSE Portal – a mini document management system featuring document uploading, search, and version control. Responsible for requirement analysis, design, development, and maintenance. Technologies included MS Visual Studio, ASP.NET MVC/Web API, HTML5/CSS3, Angular 5, Lucene.Net, Entity Framework, and SharePoint integration; deployed on VMware; implemented search and data access features to streamline internal document workflows.
Senior Software Engineer at Ogilvy & Mather Pte Ltd
March 21, 2014 - March 21, 2014Dumex Project – Web portal for Danone consumer engagement. Designed and developed Q&A platform, article management, expert interactions, admin tooling, and advertising integration. Built with SharePoint 2010 backend, ASP.NET, SQL Server, and front-end HTML5/CSS/JavaScript; implemented data migration and SEO-friendly URL rewrites; contributed to a large-scale marketing portal for multiple campaigns.
Software Engineer at Content Management & Solutions (Pvt) Ltd
January 11, 2013 - January 11, 2013Shopping Portal – B2B shopping cart with stock management. Designed a single codebase customizable for different clients; integrated address lookup, newsletter subscription, and blasting service; implemented SEO-friendly URLs and integration with external services.
Software Engineer at Creo360 (Pvt) Ltd
May 8, 2011 - May 8, 2011DealerUps CRM – Vehicle and customer relationship management system. Implemented lead tracking, dashboards, reporting, and workflow features; integrated drivers’ license scanning; supported multi-client configurations and client-specific UI themes.
Software Engineer at IParadim (Pvt) Ltd
January 31, 2010 - January 31, 2010Software Engineer focusing on CRM/ERP-related modules; contributed to core modules, data models, and reporting; worked on ASP.NET and SQL Server-based solutions.
Associate Software Engineer at Centuryware Solutions (Pvt) Ltd
December 23, 2008 - December 23, 2008Associate Software Engineer working on Time Tracker, Pen Project, and related applications; contributed to migration, reporting, and UI enhancements; technology stack included .NET 2.0-3.5, SQL Server 2000-2005, ASP.NET, and LINQ.
Education
Bachelor of Science at Sri Lanka Institute of Information Technology (SLIIT)
January 1, 2004 - December 31, 2007Bachelor of Science at Sri Lanka Institute of Information Technology (SLIIT)
January 1, 2004 - December 31, 2007Bachelor of Science at Sri Lanka Institute of Information Technology (SLIIT)
January 1, 2004 - December 31, 2007Bachelor of Science at Sri Lanka Institute of Information Technology (SLIIT)
January 1, 2004 - December 31, 2007Bachelor of Science in Information Technology at Sri Lanka Institute of Information Technology (SLIIT)
January 1, 2004 - January 1, 2007Qualifications
AZ-900 Azure Fundamentals
January 1, 2020 - December 31, 2020AZ-104 Azure Administrator Associate
January 1, 2021 - December 31, 2021AZ-204 Azure Developer Associate
January 1, 2022 - December 31, 2022AZ-900 Azure Fundamentals
January 11, 2030 - October 27, 2025AZ-104 Azure Administrator Associate
January 11, 2030 - October 27, 2025AZ-204 Azure Developer Associate
January 11, 2030 - October 27, 2025Industry Experience
Software & Internet, Financial Services, Transportation & Logistics, Professional Services, Manufacturing, Computers & Electronics
Skills
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Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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