Ciklum is looking for a Senior .NET Engineer to join our team full-time in Bulgaria.

We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the role:

As a Senior .NET Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. Client for this project is the largest professional services network in the world by revenue and number of professionals. Client provides audit, tax, consulting, enterprise risk and financial advisory services worldwide.

Responsibilities:

• Starting projects from scratch
• Back-end development of new functionality
• Participating in code and architectural reviews, documenting architecture
• Communicating with stakeholders: PMs, developers, architects, QA engineers and other colleagues
• Show exceptional ownership in solution development
• Support cross-stack integration points
• Drive processes and process improvements
• Delivering the product roadmap and planning for the future
• Handle complex problems that might arise during solution development and provide field support with creative and rapid solutions
• Ensure that the highest coding standards are met and write highly testable, automatable and performant code over the whole SDLC

Requirements:

• More than 7 years of experience in commercial software development
• Excellent knowledge of computer science and computing theory:
  • OOP, DDD, SOLID, TDD, BDD
  • Database theory (RDBMS, NoSQL)
  • Algorithms and data structures
  • Design, architectural and enterprise patterns
• Understanding of network protocols and conventions (e.g. HTTP, REST), authentication and authorization flows and practices
• Excellent knowledge and experience with C# and .NET
• Commercial experience with:
  • .NET Framework, .NET Core, ASP.NET (Core, MVC, WebAPI)
  • ORM (e.g. Entity Framework, Dapper)
  • RDBMS (especially SQL Server)
  • Messaging systems (e.g. RabbitMQ, ServiceBus)
  • Experience with REST API development for web or mobile application
  • Cloud providers (e.g. Azure)
  • Testing frameworks (e.g. NUnit, XUnit, MSTest)
  • Continuous Integration (e.g. TeamCity, GitLab, Jenkins)
  • Web Servers
  • Version control systems (e.g. GIT)
  • Containerization and orchestration (Docker, Kubernetes)
• Upper-intermediate English or above

Desirable:

• Experience with NoSQL (e.g. Mongodb, DynamoDB)
• Experience with Search Engines (e.g. ElasticSearch, Azure Search)
• Experience with integration with 3rd party solutions
• Knowledge of key-value storages (e.g. Redis, Memcached)

What’s in it for you?

• Regular salary reviews based on performance
• Corporate events: webinars, offline parties, and meetups
• Internal Mobility Program
• Tailored education path (including full access to Udemy, certifications, etc.)
• 25 paid days off: 20 business days of vacation per calendar year + 5 undocumented sick leave days
• Additional health insurance
• 100% company-covered Multisport card, with discounts available for family members

About us:

At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.

Since expanding to Bulgaria in 2022, we’ve been building a fast-growing team that thrives on learning, collaboration, and innovation. Join us on this exciting journey and help shape the future of our delivery center.

Explore, empower, engineer with Ciklum!

Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.

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