Senior Software Engineer – C#

ABBYY ABBYY · Enterprise · Hungary · R&D (Engineering)

Senior Software Engineer to build and evolve services for ABBYY's Document AI platform (Vantage), focusing on OCR pipelines, skill training, API integrations, and analytics infrastructure. Requires C# .NET expertise, CI/CD, microservices, and cloud-native patterns.

What you'd actually do

  1. Design, develop, test, and deploy features and services within the Vantage platform, contributing to areas such as document processing pipelines, AI skill management, cloud infrastructure, and API layers.
  2. Write clean, maintainable, well-tested code; actively participate in code reviews and champion engineering best practices across your team.
  3. Work closely with product managers, UX designers, ML engineers, and fellow software engineers to translate Vantage feature requirements into well-architected solutions.
  4. Identify and surface improvements to existing Vantage services, tooling, and delivery workflows; contribute to reducing technical debt and increasing engineering velocity.
  5. Monitor the health and performance of Vantage cloud services; investigate and resolve production incidents in a timely manner.

Skills

Required

  • C# .NET
  • CI/CD pipelines
  • microservices architecture
  • distributed system design
  • cloud-native patterns
  • GitHub Actions
  • Azure DevOps Pipelines
  • analytical and debugging skills

Nice to have

  • C++
  • Microsoft Azure (AKS, Storage, Key Vaults, Azure SQL)
  • workflow-driven systems (orchestration, retries, timeouts, and state management)
  • integrating Machine Learning, Neural Networks or LLMs
  • OCR
  • NLP
  • computer vision technologies

What the JD emphasized

  • deep expertise in C# .NET
  • willingness to work with both C# .NET and C++
  • microservices architecture, distributed system design, and cloud-native patterns at enterprise scale
  • workflow-driven systems (orchestration, retries, timeouts, and state management)
  • integrating Machine Learning, Neural Networks or LLMs into enterprise applications and workflows

Other signals

  • cloud-native
  • microservices
  • document AI
  • LLM integration