Senior Backend Developer (C#)

At Darya Solutions, we don't focus on job titles; we focus on real impact. We believe your value isn't defined by a label, but by your skills, effort, and ability to solve real-world challenges.

This is a place where you're a valued collaborator on a path of endless growth. We help you unlock your full potential through regular, focused conversations and a culture free of rigid hierarchy.

If you're looking for an environment where you can truly make a difference, send us your resume. We're excited to get to know you.

Location: Tehran, West
Employment Type: Full-Time
Our official working days are Monday through Friday.

Experience
  - A minimum of 6 years of professional experience designing, developing, and deploying .NET applications in     complex, high-availability environments.

Technical Skills
  - Expert-level proficiency in C# and ASP.NET Core (including .NET 6/8), with proven experience delivering production-grade backend systems.
  - Demonstrated expertise in architecting microservices and distributed systems, including hands-on experience with gRPC and RESTful APIs.
  - Deep understanding of event-driven architectures and messaging patterns; practical experience with at least one message broker (e.g., Kafka, RabbitMQ, Azure Service Bus).
  - Advanced knowledge and hands-on implementation of caching mechanisms (Redis, Memcached), with a track record of optimizing for scalability and performance.
  - Strong experience integrating and querying Elasticsearch for analytics and search, including indexing strategies and performance tuning.
  - Proficiency in relational databases (SQL Server or similar), including database design, query optimization, and troubleshooting.
  - Solid foundation in object-oriented programming, software design patterns, and principles such as SOLID, DRY, and clean architecture.

System & DevOps
  - Experience with CI/CD pipelines, automated testing, and version control (Git).
  - Familiarity with Docker and Kubernetes for containerization and orchestration.
  - Working knowledge of cloud platforms (Azure and/or AWS), including deployment and monitoring best practices for cloud-native applications.

Leadership & Collaboration
  - Proven track record of mentoring engineers, conducting code reviews, and driving technical excellence within teams.
  - Ability to lead architectural discussions, make decisions balancing business and technical goals, and communicate complex ideas clearly to stakeholders.
  - Experience collaborating in cross-functional teams (QA, product management, infrastructure) within an Agile/Scrum environment.

Domain & Soft Skills
  - Eagerness to learn and evolve in the financial technology sector; prior experience building trading or market data systems is a strong plus.
  - Strong analytical and troubleshooting skills, with the ability to resolve complex technical problems independently.
  - Excellent verbal and written communication skills; ability to articulate technical concepts to both technical and non-technical audiences.
  - High standards of professionalism, ownership, and accountability.

Preferred Qualifications

- Hands-on experience with low-latency, real-time, or multi-threaded systems in trading or fintech.
- Contributions to open source projects or active participation in technical communities.