Senior Back End Engineer

Backend Engineer (Senior / Principal Level)

Location: Remote or Hybrid (Athens)

€80,000 - €100,000

As a Backend Engineer (Senior to Principal level), you will design, develop, and maintain high-performance backend systems used across customer-facing platforms, internal tools, and large-scale services. You’ll work closely with Agile teams, product leaders, and cross-functional stakeholders to deliver robust, scalable, and maintainable software solutions.

You may be involved in:

• Architecting new services or modules, from concept through deployment
• Building reliable, reusable, and high-quality code
• Optimizing performance, scaling, and reliability
• Working with microservices, message queues, and asynchronous flows
• Mentoring and guiding more junior engineers (especially at the Principal level)
• Defining best practices, coding standards, and contributing to the technical roadmap

Required / expected competencies:

• Strong experience in C# (.NET Core, ASP.NET) and MVC frameworks
• Solid understanding of web technologies (HTTP, REST)
• Experience with distributed systems and microservices architecture
• Familiarity with message brokers (e.g., RabbitMQ, Kafka)
• Skills in performance optimization, concurrency, and asynchronous programming
• Experience with large-scale systems: logging, metrics, monitoring
• Capability to design and work autonomously on complex tasks
• Fluent in English (written & spoken)
• Bachelor’s degree (or equivalent) in Computer Science, Software Engineering, or relevant field

Nice to have:

• Experience in event-driven or reactive architectures
• Expertise in DevOps, containerization, observability tools
• Experience in mentoring, setting up architecture guidelines
• Advanced knowledge of algorithms, design patterns, and software best practices

Then offer

• Competitive salary plus performance bonus
• Remote / hybrid work flexibility
• Private health insurance (and family coverage)
• Relocation support
• Access to continuous learning and training (e.g. Udemy)