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Haystack

Software Engineer

Haystack
Estonia · Full-time · Mid-Senior

Senior Software Engineer .NET (AaaS) | Tallinn, Estonia | Remote


We're working with Riverty on this exciting opportunity. Join a fast-growing fintech organization as a Senior Software Engineer, playing a crucial role in evolving their Azure cloud services and shaping their engineering culture. This is a chance to contribute to innovative accounting solutions and drive technical excellence.


The Role

• Assist in 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 critically, challenge assumptions, and architect systems aligned with future business needs.

• Drive best practices, standards, and actively shape the engineering culture.

• Participate fully in agile processes, contributing to an outcome-driven approach.

• Mentor team members and set a high standard for quality and architectural thinking.


What You'll Need

• 6+ years of hands-on experience in C#/.NET, with direct contribution to architectural decisions.

• Strategic, outcome-driven experience with cloud platforms, preferably Azure.

• Proficiency in designing RESTful APIs and experience with microservices and distributed architectures.

• Practical exposure to messaging systems like RabbitMQ or Kafka in a production environment.

• Basic experience with frontend JS frameworks, sufficient for communication and prototyping.

• Ability to challenge assumptions, prioritize ruthlessly, and defend technical choices.

• Strong written and spoken English skills.


What's On Offer

• Be part of a dedicated development team in a rapidly growing fintech company.

• Contribute to the technical evolution of innovative "Accounting as a Service" products.

• Collaborate in a dynamic environment that values architectural thinking and quality.

• Opportunity to influence and shape engineering culture and best practices.


Apply via Haystack today!

Key Skills

Ranked by relevance

cloud microservices restful apis rabbitmq kafka
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Posted
Feb 23, 2026
Type
Full-time
Level
Mid-Senior
Location
Tallinn
Company
Haystack

Industries

Technology Information Internet

Categories

Information Technology

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