Eray A.

Eray A.

Senior Backend Developer

Top performer 9.5/10
Turkey
Trusted member since 2022
15 years of experience

Known for his commitment to high-quality code, Eray focuses on refactoring, unit testing, and thorough documentation. His strong sense of collaboration and independent problem-solving make him both a reliable team player and a trusted contributor.

Having worked successfully with Proxify clients, Eray is recognized for his technical excellence, professionalism, and approachable nature, earning the respect and appreciation of both colleagues and clients.

Main expertise

REST APIREST API7 years
Entity FrameworkEntity Framework8 years
UiPathUiPath6 years
C#C#15 years
8+

Experience4

Backend Developer

Contrain Consulting and Training | Proxify AB
Information Technology (IT) and Services
May 2025 - Aug 2025 · 3m
  • Designed and implemented REST APIs for secure and efficient communication between ERP and ticketing systems.
  • Worked with .NET 9.0, C#, WPF, and MSSQL, optimizing existing modules and developing new components to extend ERP functionality.
  • Ensured scalability and maintainability by writing clean, well-documented, and unit-tested code.
  • Enhanced the performance and user experience of ERP extensions, enabling faster issue resolution and smoother operations.
MSSQLMSSQL
C#C#
.NET.NET
WPFWPF
Enterprise ArchitectEnterprise Architect
REST APIREST API

Software Developer

Aleon | Proxify AB
Information Technology (IT) and Services
Apr 2023 - Apr 2024 · 1y
  • Contributed to RaceCon, a desktop application used for configuring high-end race cars.
  • Implemented dynamic interface structures in C#/.NET Framework, managing a large and complex software infrastructure.
  • Enhanced performance and reliability by refactoring code and introducing improved design patterns.
  • Extended the modular architecture to simplify the integration of new hardware components and telemetry data.
  • Collaborated with experienced engineers to ensure software features aligned with race car configuration requirements.
MSSQLMSSQL
C#C#
.NET.NET
.NET framework.NET framework
WPFWPF
Softtech

Software Architect

Softtech
Information Technology (IT) and Services
Jan 2019 - Apr 2023 · 4y 3m

Avaloq Project:

  • Worked with İşbank AG in Frankfurt, Germany, on a large-scale core banking system.
  • Developed API-based systems for the Netherlands Government using Avaloq.

RPA – Pathifier Project:

  • Developed a low-code in-house interface for fast, reliable, and customer-specific RPA solutions—a desktop application similar to UiPath, consisting of multiple Windows Services, APIs, and Management UI websites.

UI and Background Automation Project:

  • Implemented automation workflows using both UiPath and Pathifier.
  • Standardized multiple financial document types into a unified format, improving processing efficiency.

Jobber Project:

  • Pioneered a NuGet package to create and schedule custom operations (“jobs”) efficiently.
  • Configured job parameters—such as scheduling, thread count, process data count, and activation settings—through a configuration file, with plans to enable remote management via a UI system.
MSSQLMSSQL
C#C#
OracleOracle
.NET.NET
Entity FrameworkEntity Framework
4+
GKFX

Senior Software Developer

GKFX
Banking and Finance
Jul 2017 - Jan 2019 · 1y 6m
  • Developed robust, low-latency backend systems to support high-frequency trading operations.
  • Implemented financial calculation engines and optimized transaction pipelines to maximize speed and accuracy.
  • Applied S.O.L.I.D. principles and maintained high test coverage to ensure code reliability in critical systems.
  • Integrated CI/CD pipelines with Octopus Deploy, improving release efficiency and reducing human error.
MySQLMySQL
MSSQLMSSQL
C#C#
.NET.NET
ASP.NETASP.NET
2+

Assessments

Engineering excellence

Eray’s overall performance in a 90-minute live technical assessment ranks in the top 50% of vetted Senior Backend Developers at Proxify.

Education

Boğaziçi University
Boğaziçi University
Computer Software Engineering2008 - 2010
HU
Halic University
Computer Engineering2002 - 2007

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