Expert .NET Engineer

Ciklum is looking for an Expert .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 an Expert .NET Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. Client for this project is a leading global provider of audit and assurance, consulting, financial advisory, risk advisory, tax, and related services. We are developing an innovative automation platform for the client. It is a globally operating, complex system that is built to enhance and unify the process of collecting, processing and providing Tax and Financial services. The platform is actively used on a daily basis and the team continues to add new features that automate the business flows. Built from the ground up on a fresh codebase, we have been actively developing it. There is no legacy code, and we use the ultra-modern technology stack. The current team is working on a multi-agents eco-system (greenfield project, Digital Assistance Chatbot for Enterprise Tax Platform), and help create Agent architecture, AI agents.

Responsibilities:

• 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
• Proactive position in solution development, processes 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 4 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
• Knowledge of key-value storages (e.g. Redis, Memcached)
• Basic knowledge of containerization and orchestration (Docker, Kubernetes)
• Excellent knowledge and experience with C# and .NET
• Experience with Python (or a desire to work with Python)
• Large Language Models (LLMs), RAG
• Conversational AI (Chatbots), Prompt Engineering, OpenAI models (understanding them, compare)
• Vector Databases (Milvus, Postgres, etc.)
• English – Upper-Intermediate

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)
• Cloud providers (Azure is preferable)
• Testing frameworks (e.g. NUnit, XUnit, MSTest)
• Version control systems (e.g. GIT)

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.

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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.