Senior Backend Engineer - C#/.NET Core & API Microservices

Monster Notebook; Fatih; On-site; TRY 300,000 - 520,000; Full time

Job summary

Monster Notebook in Turkey is seeking a Senior Backend Developer to join our IT Department and strengthen our backend systems with C# and .NET Core. You will design APIs, implement microservices, and help shape scalable software solutions across our e-commerce and ERP projects.

The role emphasizes SOLID coding, CI/CD, Docker, Git, and collaboration with cross-functional teams to deliver robust software that supports our expanding product lines. Based in Fatih, Istanbul area.

Qualifications

• Bachelor’s degree in a related field.
• Minimum of 3 years of mid-level software development experience.
• Advanced proficiency in English, both written and verbal.
• Proven experience in software development using C# and .NET Core.
• Experience in designing and developing APIs.
• Ability to write clean, maintainable code in line with SOLID principles.
• Familiarity with 12-factor app methodology and microservices architecture.
• Experience with Redis, RabbitMQ, or Kafka; Elasticsearch knowledge is aplus.
• Proficient in SQL Server and/or PostgreSQL (preferred).
• Understanding of software development best practices and standards.
• Experience with CI/CD tools and continuous integration processes.
• Hands‑on experience with Git and Docker.
• Exposure to Agile/Scrum methodologies in software development projects.
• Strong communication and collaboration skills with cross-functional teams.
• Solution-oriented mindset with strong analytical, creative thinking, and problem‑solving skills.

Responsibilities

• Develop systems, processes, programs, and solutions that align with the company’s IT needs in coordination with other departments.
• Design, develop, coordinate, and implement software development projects based company requirements.
• Plan, organize, execute, coordinate, and control software development operations for effective performance.
• Identify and implement the right technologies to improve overall company efficiency.
• Take necessary technical and legal precautions to ensure information security.
• Develop software solutions aligned with user needs and company policies.
• Troubleshoot and resolve issues to ensure the smooth functioning of software systems.
• Test developed software, ensure it operates efficiently, and perform maintenance when needed.
• Ensure software compatibility across multiple platforms, including tablets and smartphones.
• Support vendor relations and assist in securing the most suitable business/service contracts for outsourced IT services.
• Stay updated with the latest technologies and prepare detailed reports on required software solutions.
• Contribute to corporate knowledge by documenting all software development processes and activities.
• Continuously learn and research new technologies in line with the company’s innovation goals.

Skills

C# & .NET Core

API design

SOLID principles

12-factor app

Microservices

Redis

RabbitMQ

Kafka

SQL Server

PostgreSQL

CI/CD

Git

Docker

Agile/Scrum

English

Team collaboration

Problem solving

Education

Bachelor’s degree in Computer Engineering / MIS / Electrical-Electronics Engineering

Tools

Docker

Git

CI/CD tools

Job description

Monster Notebook in Turkey is seeking a Senior Backend Developer to join our IT Department and strengthen our backend systems with C# and .NET Core. You will design APIs, implement microservices, and help shape scalable software solutions across our e-commerce and ERP projects.

The role emphasizes SOLID coding, CI/CD, Docker, Git, and collaboration with cross-functional teams to deliver robust software that supports our expanding product lines. Based in Fatih, Istanbul area.