Senior Business Applications Engineer

SESTEK

. Own, administer, configure, and maintain Microsoft Dynamics 365 Customer Engagement (Sales / Customer Service) .

Posted 10/22/2026full-timeIstanbul • TurkeySeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Microsoft Dynamics 365 customization and configuration, along with strong skills in integration development using Dataverse Web API and Azure services. Proficient in managing Microsoft 365 environments and translating business requirements into technical solutions.

Highest-signal resume keywords

Microsoft Dynamics 365 CustomizationDataverse Web API IntegrationC# / .NET DevelopmentMicrosoft 365 AdministrationPower Platform Support

ATS Keywords

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Hard Skills

Microsoft Dynamics 365C#JavaScriptDataverseREST/SOAP APIsPower AutomateAzure FunctionsSQLData MigrationApplication Security

Soft Skills

Analytical ThinkingProblem-SolvingIndependent WorkPrioritizationCommunication

Tools & Technologies

Microsoft 365Microsoft Entra IDAzure DevOpsPower BILogic AppsService BusSharePointTeamsOneDriveAzure App Service

Certifications & Qualifications

PL-200PL-400PL-600MB-210MS-102AZ-104AZ-204

Industry Keywords

Enterprise ApplicationsSoftware ImplementationAgile MethodsData QualityIntegration Management

Tech Stack

Tools & technologies

AzureJavaScriptSOAPSQLVault.NET

About the role

Key responsibilities & impact

Own, administer, configure, and maintain Microsoft Dynamics 365 Customer Engagement (Sales / Customer Service)
Design and develop customizations including entities, forms, views, business rules, workflows, and Power Automate flows
Develop plugins, custom workflow activities, JavaScript, and PCF components where needed
Manage security roles, business units, teams, and user access
Handle solution management, deployments across environments, and release planning
Act as the main point of contact for business users by gathering requests, prioritizing them, and delivering improvements
Design and build integrations between Dynamics 365 and internal or third-party systems using Dataverse Web API, Azure Functions, Logic Apps, Service Bus, or similar tools
Run data migration, data quality, and synchronization work
Monitor integrations and resolve failures quickly
Administer the Microsoft 365 tenant, including SharePoint, Teams, OneDrive, and licensing
Manage Microsoft Entra ID users, groups, conditional access, MFA, and app registrations
Manage Azure subscriptions and resources with attention to security, cost, and governance
Support the Power Platform environment and its governance, including environments and maker access
Gather and document business requirements for new enterprise applications
Research the market, compare products, run demos and proofs of concept, and prepare recommendations
Support purchasing with procurement and management and coordinate with vendors and partners
Lead implementations after purchase, including setup, configuration, integration, data migration, user training, and go-live
Keep technical documentation, configuration records, and integration maps up to date
Follow Microsoft release updates and propose business improvements

Requirements

What you’ll need

BSc in Computer Engineering, Software Engineering, Information Systems, or a related field
5–6 years of professional experience
At least 4 years of hands-on experience with Microsoft Dynamics 365 / Dynamics CRM
Strong experience in Dynamics 365 customization and configuration
Solid knowledge of the Dataverse data model
Development experience with C# / .NET (plugins, custom workflow activities) and JavaScript
Experience building integrations using REST/SOAP APIs, Dataverse Web API, and JSON/XML
Working knowledge of Power Platform (Power Automate, Power Apps)
Hands-on experience administering Microsoft 365 and Microsoft Entra ID (Azure AD)
Experience with Azure Functions, Logic Apps, App Service, Key Vault, and Storage
Good SQL knowledge
Experience gathering requirements from business users and translating them into technical solutions
Strong analytical thinking and problem-solving skills
Ability to work independently while managing several priorities
Good command of written and spoken English
Knowledge of application security, including OWASP Top 10, secure coding, OAuth 2.0 / OpenID Connect, API security, and secrets management is nice to have
Familiarity with Microsoft Defender, Purview, or Intune is nice to have
Basic networking knowledge is nice to have
Experience leading an end-to-end enterprise software selection and implementation project is nice to have
Experience with Azure DevOps or GitHub, CI/CD pipelines, and ALM for Dynamics 365 / Power Platform is nice to have
Experience with Power BI and reporting on CRM data is nice to have
Microsoft certifications such as PL-200, PL-400, PL-600, MB-210, MS-102, AZ-104, or AZ-204 are nice to have
Project management experience or familiarity with Agile methods is nice to have

Benefits

Comp & perks

Flexible/hybrid working style with the option to work from our İstanbul or Ankara office
Private health insurance
Meal card
Transportation allowance
Incentive for graduate and postgraduate studies
Training opportunities for technical and personal development
Support for certificate programs related to the field
Budget for external activities with colleagues, organized by the SESTEK Social Activity Committee
Birthday celebrations, parties, happy hours, and seasonal events
Breakfast and healthy snacks available all day long in the office
Exclusive discounts at partner institutions