Senior Software Engineer .NET (AaaS) | Tallinn, Estonia | Remote
We're working with Riverty Administration Services GmbH on this exciting opportunity. Join a dynamic fintech organization specializing in "Accounting as a Service" for eCommerce and Mobility industries. This role involves enhancing high-performance backend systems and Azure cloud services.
The Role
• Assist with architectural and coding challenges, focusing on migration, refactoring, and modernization of Azure cloud environments.
• Design, build, test, and deploy robust, maintainable, and reliable code and APIs.
• Analyze requirements, challenge assumptions, and architect systems aligned with future business needs.
• Drive best practices and standards, identifying and addressing inefficiencies.
• Actively shape engineering culture by providing feedback and adopting new ideas.
• Participate in agile processes, scrutinizing deadlines and priorities.
• Mentor team members and uphold high standards for quality and architectural thinking.
What You'll Need
• 6+ years of hands-on experience in C#/.NET, including direct contributions to architectural decisions.
• Strategic, outcome-driven experience with cloud platforms (Azure preferred).
• Proficiency in designing RESTful APIs.
• Experience with microservices, distributed architectures, and event-driven integration.
• Practical exposure to messaging technologies (e.g., RabbitMQ, Kafka).
• Basic experience in frontend JS frameworks for communication and prototyping.
• Ability to challenge assumptions, prioritize ruthlessly, and defend technical choices.
• Strong written and spoken English.
What's On Offer
• Opportunity to work in a fast-growing fintech organization.
• Be part of a dedicated and innovative development team.
• Hybrid working conditions available.
• Engagement in technically challenging projects within the Azure Cloud.
Apply via Haystack today!
Key Skills
Ranked by relevance
Related Jobs
3 roles aligned with this opportunity
Senior Embedded Machine Learning Engineer (C++)
2026-05-28
DevOps Engineer
2026-05-27
Full Stack Developer
2026-05-27
- Posted
- Jan 08, 2026
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Tallinn Metropolitan Area
- Company
- Haystack
Industries
Categories
Related Jobs
3 roles aligned with this opportunity
Senior Embedded Machine Learning Engineer (C++)
2026-05-28
DevOps Engineer
2026-05-27
Full Stack Developer
2026-05-27