Senior Software Developer Job Posting

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Astoria Towers Kempinski Residences Büyükdere Cad. No:127 B Kule Kat:8 34394 Şişli/İstanbul

www.perakariyer.com +90 212 244 9222 This email address is being protected from spambots. You need JavaScript enabled to view it.

Job Application Form

Working StatusHybrid
Experience5 Years
Release Date22.06.2026
Locationİstanbul

About the Company

CottGroup is a leading provider of consulting, outsourcing, technology, and training services, dedicated to ensuring our clients meet the highest standards of data privacy and regulatory compliance.

About the Role

We are looking for a Senior Software Developer to join our growing technology team. The ideal candidate will possess strong experience in Microsoft technologies, modern web development frameworks, and enterprise software development. You will be responsible for designing, developing, maintaining, and optimizing business-critical applications while contributing to technical excellence and agile delivery processes.

Responsibilities

Design, develop, and maintain Microsoft SharePoint (SPFx) solutions, including custom web parts and related components.
Develop, integrate, deploy, maintain, and document web-based and client/server applications.
Work across both front-end and back-end technologies to deliver high-quality solutions.
Provide technical guidance to team members and promote software development best practices.
Analyze and resolve application performance issues.
Monitor, maintain, and improve software infrastructure and application architecture.
Ensure compliance with change management, source control, and configuration management processes.
Develop reusable components and encourage continuous improvement initiatives that enhance team productivity.
Actively participate in Scrum ceremonies and contribute throughout the development, testing, and delivery lifecycle.

Qualifications

Bachelor's or Master's degree in Computer Engineering or a related engineering discipline.
Minimum 5 years of experience in enterprise software development using C#, ASP.NET MVC, Entity Framework, and .NET Core/.NET technologies.
Hands-on experience with Web APIs and RESTful services.
Proven experience working in Agile software development environments.
Strong knowledge of Object-Oriented Programming (OOP) principles and experience with RabbitMQ and Redis.
Proficiency in relational databases such as Microsoft SQL Server, MySQL, PostgreSQL, and Oracle.
Experience with Azure DevOps and Git for source control and project management.
Strong front-end development experience with React, Redux, and Hooks.
Knowledge of TDD, SOLID principles, code review practices, and design patterns.
Working knowledge of Python and Java programming languages.
Strong analytical thinking and problem-solving skills.
Excellent communication and collaboration abilities.
Ability to communicate effectively in English, both written and verbal (minimum B1 level).

Your Processed ID Data	Purposes of Processing Your ID Data	Collection Methods of Your ID Data	Legal Reasons Behind Our Data Processing Activities
Name Surname	Execution of Customer Relationship Management Processes Execution of Sales Processes for Goods / Services Conducting Activities for Customer Satisfaction Execution of Goods/Service Sales Processes	Online Electronic Forms Contact Forms	It is required to process your personal data as a party to the contract, provided that it is directly related to the establishment or performance of a contract. It is mandatory to process data for the legitimate interests of the data controller, provided that it does not harm your fundamental rights and freedoms as a data subject.

Your Processed ID Data

Purposes of Processing Your ID Data

Collection Methods of Your ID Data

Legal Reasons Behind Our Data Processing Activities

Name
Surname

Execution of Customer Relationship Management Processes
Execution of Sales Processes for Goods / Services
Conducting Activities for Customer Satisfaction
Execution of Goods/Service Sales Processes

Online Electronic Forms
Contact Forms

It is required to process your personal data as a party to the contract, provided that it is directly related to the establishment or performance of a contract.
It is mandatory to process data for the legitimate interests of the data controller, provided that it does not harm your fundamental rights and freedoms as a data subject.

Your Processed Contact Data	Purposes of Processing Your Contact Data	Collection Methods of Your Contact Data	Legal Reason of Our Data Processing Activities
Your contact data about your work (e-mail, address, phone number) E-Mail Address Address Information	Execution of Customer Relationship Management Processes Execution of Sales Processes for Goods / Services Conducting Activities for Customer Satisfaction Conducting communication activities	Online Electronic Forms Contact Forms	It is required to process your personal data as a party to the contract, provided that it is directly related to the establishment or performance of a contract. It is mandatory to process data for the legitimate interests of the data controller, provided that it does not harm your fundamental rights and freedoms as a data subject.

Your Processed Contact Data

Purposes of Processing Your Contact Data

Collection Methods of Your Contact Data

Legal Reason of Our Data Processing Activities

Your contact data about your work
(e-mail, address, phone number)
E-Mail Address
Address Information

Execution of Customer Relationship Management Processes
Execution of Sales Processes for Goods / Services
Conducting Activities for Customer Satisfaction
Conducting communication activities

Online Electronic Forms
Contact Forms

It is required to process your personal data as a party to the contract, provided that it is directly related to the establishment or performance of a contract.
It is mandatory to process data for the legitimate interests of the data controller, provided that it does not harm your fundamental rights and freedoms as a data subject.

Your Processed Contact Data	Purposes of Processing Your Contact Data	Collection Methods of Your Contact Data	Legal Reason of Our Data Processing Activities
Company name Sector	Execution of Customer Relationship Management Processes Execution of Sales Processes for Goods / Services Conducting Activities for Customer Satisfaction Conducting communication activities	Online Electronic Forms Contact Forms	It is required to process your personal data as a party to the contract, provided that it is directly related to the establishment or performance of a contract. It is mandatory to process data for the legitimate interests of the data controller, provided that it does not harm your fundamental rights and freedoms as a data subject.

Your Processed Contact Data

Purposes of Processing Your Contact Data

Collection Methods of Your Contact Data

Legal Reason of Our Data Processing Activities

Company name
Sector

Execution of Customer Relationship Management Processes
Execution of Sales Processes for Goods / Services
Conducting Activities for Customer Satisfaction
Conducting communication activities

Online Electronic Forms
Contact Forms

It is required to process your personal data as a party to the contract, provided that it is directly related to the establishment or performance of a contract.
It is mandatory to process data for the legitimate interests of the data controller, provided that it does not harm your fundamental rights and freedoms as a data subject.

Your Processed Customer Transaction Information	Purposes of Processing Your Customer Transaction Information	Collection Methods of Your Customer Transaction Information	Legal Reason of Our Data Processing Activities
IP Address Request Time and Date Time zone Difference from Greenwich-mean-time (GMT) Access Status/http Status Code Amount of Data Transferred Website to Which the Request Was Sent Browser Information Operating System and User Interface Language and Version of the Scanner Software Approximate Location Information	Execution of Customer Relationship Management Processes Conducting Activities for Customer Satisfaction Conducting Marketing Analysis Studies Execution of Information Security Processes Conducting Activities in Compliance with Legislation	Online Electronic Forms Online Contact Forms	It is required to process your personal data as a party to the contract, provided that it is directly related to the establishment or performance of a contract. It is mandatory to process data for the legitimate interests of the data controller, provided that it does not harm your fundamental rights and freedoms as a data subject.

Your Processed Customer Transaction Information

Purposes of Processing Your Customer Transaction Information

Collection Methods of Your Customer Transaction Information

Legal Reason of Our Data Processing Activities

IP Address
Request Time and Date
Time zone Difference from Greenwich-mean-time (GMT)
Access Status/http Status Code
Amount of Data Transferred
Website to Which the Request Was Sent
Browser Information
Operating System and User Interface
Language and Version of the Scanner Software
Approximate Location Information

Execution of Customer Relationship Management Processes
Conducting Activities for Customer Satisfaction
Conducting Marketing Analysis Studies
Execution of Information Security Processes
Conducting Activities in Compliance with Legislation

Online Electronic Forms
Online Contact Forms

It is required to process your personal data as a party to the contract, provided that it is directly related to the establishment or performance of a contract.
It is mandatory to process data for the legitimate interests of the data controller, provided that it does not harm your fundamental rights and freedoms as a data subject.

Your Processed Transaction Security Information	Purposes of Processing Your Transaction Security Information	Collection Methods of Your Transaction Security Information	Legal Reason of Our Data Processing Activities
Request/Complaint Information	Execution of Customer Relationship Management Processes	Online Electronic Forms Online Contact Forms	It is required to process your personal data as a party to the contract, provided that it is directly related to the establishment or performance of a contract. It is mandatory to process data for the legitimate interests of the data controller, provided that it does not harm your fundamental rights and freedoms as a data subject.

Your Processed Transaction Security Information

Purposes of Processing Your Transaction Security Information

Collection Methods of Your Transaction Security Information

Legal Reason of Our Data Processing Activities

Request/Complaint Information

Execution of Customer Relationship Management Processes

Online Electronic Forms
Online Contact Forms

It is required to process your personal data as a party to the contract, provided that it is directly related to the establishment or performance of a contract.
It is mandatory to process data for the legitimate interests of the data controller, provided that it does not harm your fundamental rights and freedoms as a data subject.

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