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An accomplished Senior Software Developer with around 18 years of experience in banking and finance industries. Have extensive hands-on experience in all phases (analysis, design, implementation, deployment and management) of software projects and have in-depth knowledge of loans, core-banking, accounting and internet banking. I have contributed to the development of important products in the field, by applying multi-tier architecture , NET technology, rest api, micro services,react.js and blazor…An accomplished Senior Software Developer with around 18 years of experience in banking and finance industries. Have extensive hands-on experience in all phases (analysis, design, implementation, deployment and management) of software projects and have in-depth knowledge of loans, core-banking, accounting and internet banking. I have contributed to the development of important products in the field, by applying multi-tier architecture , NET technology, rest api, micro services,react.js and blazor

Yasin Alkan

Full Stack Developer, Web Developer, Front-End Developer, +2

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An accomplished Senior Software Developer with around 18 years of experience in banking and finance industries. Have extensive hands-on experience in all phases (analysis, design, implementation, deployment and management) of software projects and have in-depth knowledge of loans, core-banking, accounting and internet banking. I have contributed to the development of important products in the field, by applying multi-tier architecture , NET technology, rest api, micro services,react.js and blazor…An accomplished Senior Software Developer with around 18 years of experience in banking and finance industries. Have extensive hands-on experience in all phases (analysis, design, implementation, deployment and management) of software projects and have in-depth knowledge of loans, core-banking, accounting and internet banking. I have contributed to the development of important products in the field, by applying multi-tier architecture , NET technology, rest api, micro services,react.js and blazor

Available to hire

An accomplished Senior Software Developer with around 18 years of experience in banking and finance industries. Have extensive hands-on experience in all phases (analysis, design, implementation, deployment and management) of software projects and have in-depth knowledge of loans, core-banking, accounting and internet banking. I have contributed to the development of important products in the field, by applying multi-tier architecture , NET technology, rest api, micro services,react.js and blazor

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Sr Software Developer at American Insurance Group / Aviva

May 1, 2025 - October 21, 2025

Developed and maintained core policy system modules, including insurance quoting and underwriting. Implemented enhancements to improve system performance, compliance, and user experience. Upgraded the system from .NET 4.7 to .NET 8 and updated NuGet packages to improve performance, security, and maintainability. Contributed to the rebranding project during the transition to Aviva, ensuring seamless system updates and integration.

Sr .Net Front Office Developer at Shell Energy

May 1, 2024 - October 21, 2025

Developed and implemented forecasting visualization tools for weather, gas, and power markets by visualizing in C#.NET Core, Blazor and Highchart components. Collaborated closely with analysts and traders to gather requirements and translate them into intuitive trading decision support tools and make development. Designed and deployed Web APIs to facilitate seamless data exchange between different systems. Maintained and enhanced the Market Data Portal using Blazor, consistently adding new features to improve functionality and user experience. Took role in upgrading existing systems to .NET 8, ensuring compatibility and leveraging the latest advancements in the technology stack. Provisioned and managed cloud infrastructure using Terraform as Infrastructure as Code (IaC).

Sr Integration Developer at MS Amlin Insurance Company

March 1, 2023 - October 21, 2025

Played a pivotal role within the integration team, responsible for seamlessly integrating various systems into the policy management infrastructure. Designed and developed an admin portal application in React integrated with Redux to monitor the health of queues and services, including the functionality to requeue messages when necessary. Developed integration pipelines to efficiently transfer data from source to target systems. Built and integrated web APIs for smooth communication between systems. Utilized SSIS packages extensively for data extraction and transformation between databases. Wrote T-SQL scripts, stored procedures, sql jobs and views in SQL Server to support database operations. Implemented RabbitMQ for reliable messaging and created queues for data transfer. Engineered custom Windows services to manage message queues effectively.

Sr Software Developer at Irish Progressive Services International Insurance Company (FNZ Group)

March 1, 2022 - October 21, 2025

Worked as part of a development team to develop the policy management software. Extended GDPR application for new tenants. Participated in Azure Migration Gateway Project and migrated on-prem applications to Azure cloud environment. Delivered on multiple projects concurrently and moved between technologies, encompassing design, specification, estimation, scheduling, development and delivery of projects of all scales. Extended GDPR application for new tenant; completed decommissioning of insurance policies for a leaving tenant; implemented new functionalities on Policy Admin System business layer; contributed to multiple Azure cloud initiatives.

Sr Software Developer at Wesleyan Bank

March 31, 2021 - October 21, 2025

Finance Portals for Loan Application: design and development of finance portals with ASP.NET Core, Entity Framework Core, SQL Server. Implementation of greenfield finance Portal for Dentists with Umbraco support. Involved in all phases (analysis, design, implementation, deployment). Developed the Supplier module using Blazor, ensuring efficient data flow and seamless user experience. Developed Web APIs for critical modules like clients and suppliers, and integration with core banking system. Maintained existing Web API endpoints, E-sign integration to sign loan documents online. Converted legacy .NET Framework projects to .NET Core and created Docker images before Azure migration. Built unit tests and End of Day/Cron jobs on Windows services. Migrated on-prem to Azure and worked on Dockerized deployments.

Lead Developer at INTERTECH INFORMATION TECHNOLOGY

September 1, 2017 - October 21, 2025

Intertech is a major banking software development company in Turkey. Led agile teams in implementing INTERVISION Banking Software for HSBC Bank, Bank Of China Turkey, AlbarakaTurk Bank and Ziraat Bank utilizing C#, ASP.NET MVC, SQL Server, JavaScript and Entity Framework. Involved in HSBC Bank Turkey core banking conversion project, designed and developed gaps in Loan Module, supported users during test Set up Process, defined integration requirements for other modules (Windows services, Enterprise Service Bus services).

Sr Software Developer at KUVEYTTURK PARTICIPATION BANK

June 1, 2013 - October 21, 2025

Participated in the Main Banking Conversion Project on .NET 4.0, WPF and Service Oriented and Entity Based Framework Platform and MS SQL Server. Converted and redesigned cheque book, blockage, account constraints modules. Participated Internet Branch conversion project and developed payment screens. Participated in document management system project and developed user interface. Data converted from IBM Filenet to Microsoft FileServer. Developed architectural research on Workflow Engine and Rule Engine; improved Credit Score application using data from Experian.