Senior Software Developer

ATP; Fatih; On-site; TRY 223,200 - 334,800; Full time

Job summary

ATP is seeking a skilled software developer to enhance and maintain our software modules. In this role, you will apply your expertise in C# .NET and SQL Server to improve and support our existing applications.

The ideal candidate holds a Bachelor's degree in a relevant field and has a minimum of 4 years of experience in software development. Join us to make a real impact on our innovative projects.

Qualifications

• Minimum 4 years of professional experience in software development.
• Strong proficiency in C#.NET, including .NET Framework and .NET Core.
• Solid hands-on knowledge of Microsoft SQL Server, including query optimization.

Responsibilities

• Make the necessary updates to the existing software modules in a timely manner.
• Improve the program according to feedback from the analysis team.
• Perform performance reviews for queries running in SQL.

Skills

C# .NET

RESTful and SOAP-based Web Service design

Microsoft SQL Server

Object-oriented programming (OOP)

Analytical thinking

Education

Bachelor's degree in Computer Engineering, Mathematical Engineering, or a related field

Job description

Join us, learn from us, teach us. Let’s make a difference together!

ATP is touching the lives of millions every day, perhaps yours as well! Whether you are trading stocks on your mobile device, placing an order for a burger at a restaurant or waiting for delivery to arrive you may be interfacing with one of our software solutions, without even realizing it.

Working at ATP, you will touch people’s lives and contribute to a more productive and sustainable future. As a team, we define our values with the words “team spirit”, “people centricity”, “innovation” and “sustainability”. We challenge new members joining our team not only to learn from us, but also to teach us and make a difference together.

ATP (Ata Technology Platforms) is one of the leading providers of enterprise class IT platforms and services for mission critical applications. Having gone public in June 2021 (Borsa Istanbul: ATATP), we are expanding our business in Turkey, China, Asia Pacific and the EMEA region. As a multinational company, we differentiate ourselves with innovative technologies, exclusive team of talents and strategically focused brands. Execution of our strategy is carried out with an organization that consists of 5 major brands;

• Tradesoft, develops software solutions for brokerage firms, fund/portfolio management companies and other financial institutions. Our state-of-the-art trading system handles over 5,000 transactions every second and our systems currently account for 50% of the trading volume of Istanbul stock exchange among competitive systems used by brokerage firms.
• Zenia, enterprise POS (point-of-sale), restaurant management, and multi-channel order management and delivery solutions are currently used by quick service restaurants at over 2,800 locations globally. We have proudly delivered over 350 million orders and still counting.
• ATP Digital, is a leading provider of digital transformation solutions to mid-to-large size companies, with technical know-how and industrial expertise that have resulted in over 540 successful projects.
• ATP GSYO, our corporate venture capital arm, invests in and supports technology startups with commercially viable solutions that have strategic importance to ATP and global sales potential. ATP GSYO has recently invested in AtaExpress embodying the digital delivery application TiklaGelsin and the delivery service platform Fiyuu.
• ATP GreenX, is a global marketplace for sustainable energy products that brings together producers and consumers, actively contributing to the global Green Energy Market.
• ATP RobotX delivers autonomous robotic solutions for the retail, logistics, manufacturing, and service industries, accelerating operational efficiency across business processes. Our robots seamlessly integrate with existing systems to optimize in-store operations, inventory management, and customer experience.

What You’ll Bring

• Bachelor’s degree in Computer Engineering, Mathematical Engineering, or a related field
• Minimum 4 years of professional experience in software development
• Strong proficiency in C# .NET, including .NET Framework and .NET Core
• Proven experience in RESTful and SOAP-based Web Service design and development
• Solid hands‑on knowledge of Microsoft SQL Server, including query optimization, stored procedures, and performance tuning
• Familiarity with object-oriented programming (OOP) principles, design patterns, and clean architecture practices
• Strong problem-solving, analytical thinking, and communication skills

What You’ll Be Doing

• Make the necessary updates to the existing software modules in a timely manner
• Improve the program according to feedback from the analysis team, and provide maintenance and support
• Perform performance reviews for queries running in SQL