Senior SW Engineer

OPTİİM İŞ ÇÖZÜMLERİ A.Ş

OPTiiM is a software and services company based in Istanbul. Founded by experienced information technology and social media evangelists. OPTiiM delivers projects in ~20 Countries including Netherlands, UK, Macedonia, UAE, Bahrain, Lebanon.

We Specialize in:

Project Portfolio Management, Test Automation, Software Testing, Performance Testing, Performance Optimisation, Automated MasterPlanning,  PPM, Portal, Portal development, IT Consulting, Implementation Services, Training, ITSM, IT Operations Management, IT Operations Implementation, RPA Development.

What Will You Do?

• Design, develop, test, and maintain scalable backend services within the customer product platform.
• Build reliable APIs and microservices using modern backend technologies and engineering best practices.
• Collaborate closely with Product Managers, Architects, QA Engineers, DevOps teams, and fellow Software Engineers to deliver high-quality product capabilities.
• Participate in technical analysis, solution design, effort estimation, code reviews, and implementation planning.
• Contribute to the continuous improvement of service reliability, performance, scalability, observability, and maintainability.
• Develop and support event-driven and service-oriented architectures for enterprise-scale solutions.
• Utilize AI-powered engineering tools to improve software development efficiency, code quality, testing, documentation, and troubleshooting activities.
• Follow clean code principles, secure development practices, version control standards, testing strategies, and CI/CD processes.
• Investigate production issues, perform root-cause analysis, and implement sustainable corrective actions.
• Take ownership of assigned features and technical tasks throughout the entire software development lifecycle.
• Support product transformation towards AI-assisted software engineering and modern product development practices.
• Contribute to backend modernization initiatives, engineering automation, AI-powered product capabilities, and quality improvements.

What Do You Need?

• Minimum 5 years of professional experience in software development.
• Strong backend development experience with technologies such as Java/Spring Boot, Node.js, Go, or Python.
• Solid understanding of RESTful APIs, Microservices Architecture, and Service-Oriented Design.
• Experience working with relational and/or NoSQL databases.
• Familiarity with messaging systems, asynchronous communication patterns, and event-driven architectures is a plus.
• Experience with Git-based source control and collaborative development workflows.
• Hands-on experience writing unit tests and participating in peer code reviews.
• Understanding of CI/CD pipelines and modern software delivery practices.
• Strong troubleshooting and problem-solving skills across application, database, and integration layers.
• Ability to translate business requirements into scalable technical solutions.
• Experience working in Agile software development environments.
• At least B1-level English proficiency, with the ability to understand technical documentation and actively participate in cross-functional discussions.
• Strong communication, collaboration, and ownership mindset.
• Practical experience using AI-powered development tools such as GitHub Copilot, Cursor, ChatGPT, Claude, or similar solutions.
• Ability to critically evaluate AI-generated outputs and apply sound engineering judgment.
• Passion for continuous learning and adapting to evolving software engineering practices.

Nice to Have

• Experience in enterprise product development environments.
• Knowledge of TMForum Open APIs and telecom domain solutions (CRM, CPQ, Order Management, Billing).
• Experience with Kafka, RabbitMQ, or similar messaging platforms.
• Hands-on experience with Docker, Kubernetes, Helm, and cloud-native technologies.
• Familiarity with observability tools, monitoring, logging, metrics, and distributed tracing.
• Experience working within large-scale microservice ecosystems.
• Exposure to AI-driven SDLC, Spec-Driven Development, engineering automation, or code generation frameworks.