Senior Software Engineer (Any language)

Senior / Principal Backend Software Engineer

Location: Remote or Hybrid (Athens, Greece)

Salary: €4,000–€6,000 gross per month

We are hiring Senior Backend Engineers who thrive in building scalable, high-performance systems. You will help shape critical backend services used by millions across customer-facing products, internal applications, and large distributed environments.

You will work side by side with product and engineering teams to deliver resilient, secure, and well-structured platforms. At Principal level, your impact also includes guiding engineering decisions, coaching others, and uplifting technical quality across the organisation.

What you will do

• Design and implement backend services, APIs, and data flows
• Lead architecture and development of new features from idea to production
• Enhance system performance, scalability, and fault tolerance
• Work with microservices, message-driven architectures, and async processing
• Produce clean, reusable, and well-tested code
• Support and mentor other engineers through knowledge sharing and reviews
• Contribute to high engineering standards and long-term technical strategy

What you bring

• Proven expertise in backend development
• Experience with any modern backend language considered (Java, .NET, Kotlin, PHP, Go, etc.)
• Willingness to work with our current tech stack: .NET / C#
• Solid knowledge of distributed systems and microservices
• Familiarity with messaging platforms such as Kafka or RabbitMQ
• Experience in Agile environments
• Performance optimization skills including concurrency and async programming
• Experience with observability tooling (monitoring, metrics, logging)
• Ability to take ownership of complex tasks and deliver high-quality outcomes
• Fluency in English

Nice to have

• Experience with event-driven or reactive architectures
• Engineering mentorship or architectural leadership
• Deep understanding of design patterns and modern software practices

What we offer

• Competitive salary with performance-based bonus
• Hybrid or remote flexibility based from Athens
• Private health insurance including family cover
• Daily travel and meal allowance
• Continuous learning and career development opportunities