Senior Business Applications Engineer

SESTEK; Fatih; Hybrid; TRY 420,000 - 700,000; Full time

Benefits offered by this job

Private health insurance

Meal card

Transportation allowance

Hybrid working

Office in Istanbul or Ankara

Training & certificate support

Birthday celebrations

Job summary

SESTEK is seeking a Senior Business Applications Engineer to join our growing team and own our Microsoft Dynamics 365 CRM platform end-to-end. You will administer and develop the system, build integrations with other business apps, and lead enterprise software initiatives.

Excellent English communication is essential. This hands-on role offers ownership and impact across the company, with hybrid work and the option to be based in Istanbul or Ankara.

Qualifications

• 5–6 years of professional experience with at least 4 years in Dynamics 365 / CRM.
• Strong customization, configuration, and Dataverse knowledge.
• Experience building integrations with REST/SOAP APIs and JSON/XML.
• Hands-on Azure ecosystem experience and Power Platform administration.

Responsibilities

• Own, administer, configure, and maintain Microsoft Dynamics 365 CE (Sales/CS).
• Design and develop customizations: entities, forms, views, rules, workflows, and Power Automate.
• Develop plugins, workflows, JavaScript, and PCF components.
• Manage security roles, units, teams, and user access.
• Handle solution deployments and release planning across environments.
• Lead business-user requests gathering, prioritization, and delivery.
• Design and build integrations between Dynamics 365 and internal/third-party systems.
• Run data migration, quality, and synchronization; monitor integrations.
• Administer Microsoft 365 tenant and Entra ID; manage Azure subscriptions and governance.
• Support Power Platform environment, governance, and maker access.

Skills

D365 customization

C# / .NET

JavaScript

Dataverse

REST/SOAP APIs

Power Platform

Azure Functions

SQL

Requirements gathering

English fluency

Education

BSc in Computer Engineering / Software Engineering / Information Systems

Tools

Microsoft Dynamics 365

Dataverse

Power Automate

Power Apps

Logic Apps

Service Bus

Azure AD

Job description

Location: İstanbul or Ankara

Working Style: Hybrid

Overview

WearelookingforaSeniorBusinessApplicationsEngineerwith5–6yearsofexperiencetojoinourgrowingteamandownourMicrosoftDynamics365(CRM)platformendtoend.Inthisrole,youwilladministeranddevelopthesystem,buildintegrationswithourotherbusinessapplications,andtakeresponsibilityforourMicrosoft365andAzureenvironments.Youwillalsoleadenterprisesoftwareinitiatives,fromgatheringbusinessrequirementsandevaluatingvendorstoimplementingthechosensolutionafterpurchase.Thisisahands-onrolewithhighownershipanddirectimpactacrossthecompany.Avery good level of English, both written and spoken, isessentialforthisrole.Ifyouenjoyturningbusinessneedsintoreliabletechnicalsolutions,thisopportunityisforyou.

Who we are

SESTEK is a global technology company developing AI-powered conversational solutions that empower organizations to be data-driven, enhance efficiency, and offer superior customer experiences. We are an R&D center, and our solutions are developed by a team of over 100 engineers specializing in text-to-speech, speech recognition, natural language processing, and voice biometrics technologies. As of 2022, we are part of Unifonic, a leading Communications Platform as a Service (CPaaS) provider, and we have grown into an international organization with over 500 dynamic team members. We have a customer base of 500 enterprises across 20 countries in the US, EU, and MENA regions.

What we expect

• Own, administer, configure, and maintain Microsoft Dynamics 365 Customer Engagement (Sales / Customer Service).
• Design and develop customizations such as 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: gather requests, prioritize them, and deliver improvements.
• Design and build integrations between Dynamics 365 and internal or third-party systems (ERP, telephony, marketing, finance, etc.) using Dataverse Web API, Azure Functions, Logic Apps, Service Bus, or similar tools.
• Run data migration, data quality, and synchronization work, and monitor integrations to resolve failures quickly.
• Administer the Microsoft 365 tenant (SharePoint, Teams, OneDrive, and licensing) and 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 the purchasing process together with procurement and management, and coordinate with vendors and partners throughout the project.
• Lead implementations after purchase, covering 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 improvements to the business.

Who we are looking for

• BSc in Computer Engineering, Software Engineering, Information Systems, or a related field.
• 5–6 years of professional experience, with at least 4 years of hands-on experience with Microsoft Dynamics 365 / Dynamics CRM.
• Strong experience in Dynamics 365 customization and configuration, and 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 core Azure services such as Azure Functions, Logic Apps, App Service, Key Vault, and Storage.
• Good SQL knowledge.
• Experience gathering requirements from business users and turning them into technical solutions.
• Strong analytical thinking and problem-solving skills, and the ability to work independently while managing several priorities.
• Clear communication: you can explain technical topics to non-technical colleagues.
• Good command of both written and spoken English.

We’re also looking for

• A strong can-do attitude and a hands-on, solution-oriented approach: you see what needs to be done and take action.
• A strong sense of ownership and accountability: you take responsibility, follow through, and don’t wait to be told what to do.
• A flexible and collaborative mindset: you enjoy working across teams and are willing to contribute beyond your core responsibilities when needed.
• A willingness to roll up your sleeves, step in where needed, and help the team get things done, even when it falls outside your usual scope.

Nice to have

• Knowledge of application security: OWASP Top 10, secure coding, OAuth 2.0 / OpenID Connect, API security, and secrets management.
• Familiarity with Microsoft security tools such as Microsoft Defender, Purview, or Intune.
• Basic networking knowledge: TCP/IP, DNS, VPN, firewalls, and Azure networking (VNet, NSG, Private Endpoints).
• Experience leading an end-to-end enterprise software selection and implementation project.
• Experience with Azure DevOps or GitHub, CI/CD pipelines, and ALM for Dynamics 365 / Power Platform.
• Experience with Power BI and reporting on CRM data.
• Microsoft certifications such as PL-200, PL-400, PL-600, MB-210, MS-102, AZ-104, or AZ-204.
• Project management experience or familiarity with Agile methods.

What we can offer you

• A chance to be part of a company specializing in artificial intelligence, where you’ll work on real products with real impact.
• Flat organizational structure and an energetic team that moves fast and values your voice, so you own outcomes, not just tasks.
• Freedom to try new ideas and build your own solutions, in a culture where failing fast is fine as long as we learn from it.
• Flexible/hybrid working style with the option to work from our İstanbul or Ankara office.
• Private health insurance, meal card, and transportation allowance.
• Incentive for graduate and postgraduate studies.
• Training opportunities for technical and personal development, and support for certificate programs related to the field, in a culture that encourages you to stay curious and keep learning.
• Budget for external activities with your 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 our partner institutions.

At SESTEK, we believe in the power of diversity and an inclusive organizational culture. All candidates are considered equally regardless of their race, religion, color, age, sex, sexual orientation, gender identity or expression, national or ethnic origin, marital status, family status, disability, or genetic characteristics.

At SESTEK, we place great importance on protecting your personal data. Within the scope of our recruitment processes, you may access the Candidate Privacy Notice regarding the processing of your personal data via the links: English Version / Turkish Version