Back End Developer (.NET)
Athens (Center), Attiki, Greece |
8.1.2026 ·
ES1 Technology Teams
ENTERSOFTONE - Redefining Business Software in an AI-powered Future
ENTERSOFTONE supports 90,000+ businesses with 1,500+ employees across 10 cities in 4 countries. We deliver Cloud, Web, and AI-driven solutions (ERP, CRM, HCM, WMS, e-Invoicing) to help organizations work smarter, grow faster, and leverage AI insight
We are looking for a Back End Developer (.NET) to join our high caliber team.
Your Role
We are looking for a talented Back End Developer (.NET) to join our innovative team in developing our cutting-edge AI platform. This role is central to building the infrastructure and services that power our AI-driven solutions.
Your contribution to the success of the team
- Design, develop, and maintain backend services and APIs for our AI platform using C# and .NET ecosystem
- Architect and implement scalable AI model integration, deployment, and serving infrastructure
- Build robust microservices architecture to support AI workloads and real-time inference
- Develop RESTful and gRPC APIs for AI model interaction and data processing
- Design and implement data pipelines for training, validation, and production AI systems
- Implement comprehensive monitoring, logging, and observability solutions for AI services
- Work with vector databases, caching layers, and distributed systems
- Participate in architectural decisions and code reviews
- Drive technical documentation and knowledge sharing initiatives
Qualifications & Skills
- Strong proficiency in C# and .NET Core/.NET 8+ with 4+ years of experience
- Deep understanding of RESTful API design, microservices architecture, and distributed systems
- Experience with both SQL (SQL Server, PostgreSQL) and NoSQL databases
- Expertise in asynchronous programming, multithreading, and performance optimization
- Solid understanding of software design patterns and SOLID principles
- Experience with version control (Git), CI/CD pipelines, and DevOps practices
Preferred Qualifications
- Experience with LLM integration (OpenAI, Azure OpenAI, Anthropic, Claude, etc.)
- Hands-on experience with RAG (Retrieval-Augmented Generation) architectures
- Deep knowledge of authentication/authorization patterns (OAuth 2.0, JWT, Azure AD)
- Experience in SAAS or enterprise software development
- Familiarity with monitoring tools (Application Insights, Prometheus, Grafana)
Your Benefits:
We are growing our team with the vision of having top performers who contribute directly to the growth of the company. As a result, we offer:
💰Competitive remuneration package
❤️Private health insurance plan
🏠Hybrid working model
💯Opportunity to work alongside people who are always eager to mentor
🚍Transportation with company’s bus from central stations
📖 Funded training & development opportunities
🥪Catering food services