Senior Backend Engineer (.NET)

TL;DR

Senior Backend Engineer (.NET): Building core file management and document workflows for a secure B2B SaaS VDR platform with an accent on file lifecycle management and access control. Focus on implementing AI-powered RAG-based search and optimizing high-stakes document exchange systems.

Location: Remote-first flexibility with an office and specific support for Ukraine-based teammates (Kyiv)

Company

A global B2B SaaS product company providing secure business collaboration and Virtual Data Room (VDR) solutions for high-stakes processes.

What you will do

• Participate in the full SDLC within a cross-functional team, from requirements analysis and design to deployment and operation.
• Develop and maintain core file operations, document workflows, and access control systems.
• Build AI-powered features, specifically multi-document RAG-based search.
• Ensure high solution quality through comprehensive unit, integration, and service testing.
• Drive modern software engineering practices via design reviews and mentorship within the organization.

Requirements

• 5+ years of commercial experience in backend development using .NET Framework and .NET 6+.
• English: B2 level proficiency (spoken and written).
• Solid understanding of software design, architecture principles, and the SDLC.
• Expertise in API design (REST, RPC) and relational databases (PostgreSQL or MS SQL Server).
• Familiarity with cloud platforms, preferably AWS.
• Product-focused approach and strong sense of ownership for end-to-end development.

Nice to have

• Experience in SaaS or product-based businesses.
• Expertise in .NET 8 and AWS services (SNS, SQS, S3, EC2, OpenSearch).
• Experience with Docker and Kubernetes.
• Knowledge of security best practices for backend development.

Culture & Benefits

• Remote-first flexibility and a dedicated home workplace budget.
• Comprehensive medical insurance and a wellness package for sports.
• 20 business days of paid time off per year plus unlimited health-related leave.
• Professional growth via hirify.global Academy, external learning budgets, and personal development plans.
• Specialized support for Ukrainian teammates, including a resilient home budget and a physical office in Kyiv.

Hiring process

• Screening call with a Talent Acquisition Specialist.
• Technical interview featuring live coding.
• Engineering Competency-based interview with the Engineering Manager.
• Final interview with the Hiring Manager.