Ciklum is looking for a Senior .NET Engineer to join our team full-time in Ukraine.
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 Money movement team.
Our client is a fast-growing, profitable, well-funded and dynamic global payments company. It is serving thousands of corporates and millions of end-users (payment receivers), in over 200 countries.
Responsibilities:
- Back-end development to meet customer’s business needs and implement components according to modern software development environment (microservice architecture)
- Taking part in the decision-making process in design application architecture, solution development, architecture and code review
- Develop and review feature design documents and provide inputs/update to specifications for the solution
- Design and implement a set of various types of tests (unit, integration, functional, etc)
- Proactive position in solution development, processes improvements
- Working in an international distributed team in an Agile environment
- Communicate with PMs, engineers, Architects, QA and other colleagues and stakeholders
- Delivering the product roadmap and plannings
- To use high coding standards, software best practices and write highly testable, automatable and performant code over the whole SDLC
Requirements:
- Experience in software development for more than 5 years
- Excellent knowledge in:
- Clean code practices, OOP and OOD
- Programming:
- Paradigm & Principles (OOP, SOLID, DDD, TDD, BDD)
- Database theory (RDBMS, NoSQL)
- Code testing practices
- Algorithms
- Data structures
- Architectural, Enterprise and Design Patterns
- Security patterns, Reverse engineering resistance, Common attacks types (OWASP)
- Understanding of network interactions:
- protocols
- conventions (e.g. REST, RPC)
- authentication and authorization flows
- standards and practices (e.g. oAuth, JWT)
- Excellent knowledge and experience in C# ,.NET
- Practical commercial experience with:
- REST API development
- .NET Framework, .NET Core, ASP.NET (Core, MVC, WebAPI)
- Testing frameworks (e.g. e.g. NUnit, XUnit, MSTest) (more than 2 years)
- ORM (e.g. Entity Framework, Dapper)
- RDBMS (e.g. SQL Server, MySQL/MariaDB, PostgreSQL)
- Key-value storages - strong experience with Redis
- Messaging systems (e.g. RabbitMQ, Azure ServiceBus, Apache Kafka, Active MQ, AWS SQS, Google Pub/Sub)
- Web Servers
- Version control systems (GIT)
- Continuous Integration tools (e.g. Gitlab Pipeline, Jenkins, Azure DevOps)
- Builders
- NoSQL (e.g. MongoDB, ElasticSearch, CouchDB)
- Experience with:
- Troubleshooting, profiling and debugging applications
What’s in it for you?
- Strong community: Work alongside top professionals in a friendly, open-door environment
- Growth focus: Take on large-scale projects with a global impact and expand your expertise
- Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications
- Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies
- Flexibility: Enjoy radical flexibility – work remotely or from an office, your choice
- Care: We’ve got you covered with company-paid medical insurance, mental health support, and financial & legal consultations
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.
As one of Ukraine’s largest IT companies and a top employer recognized by Forbes, we’ve spent over 20 years delivering meaningful tech solutions. We proudly support diverse talent and military veterans, recognizing their unique skills and perspectives they bring to shaping the future.
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.
#LI-AV3
Skills Required
- More than 5 years of software development experience
- Strong knowledge of clean code, object-oriented programming, object-oriented design, SOLID, DDD, TDD, and BDD
- Knowledge of database theory, including RDBMS and NoSQL
- Knowledge of algorithms, data structures, architectural patterns, enterprise patterns, and design patterns
- Knowledge of security patterns, reverse engineering resistance, OWASP, and common attack types
- Understanding of network protocols, REST, RPC, authentication, authorization, OAuth, and JWT
- Excellent knowledge and experience with C# and .NET
- Commercial experience with REST API development
- Experience with .NET Framework, .NET Core, ASP.NET Core, MVC, and Web API
- More than 2 years of experience with testing frameworks such as NUnit, xUnit, or MSTest
- Experience with ORM technologies such as Entity Framework or Dapper
- Experience with RDBMS platforms such as SQL Server, MySQL, MariaDB, or PostgreSQL
- Strong experience with Redis key-value storage
- Experience with messaging systems such as RabbitMQ, Azure Service Bus, Apache Kafka, ActiveMQ, AWS SQS, or Google Pub/Sub
- Experience with web servers and Git version control
- Experience with continuous integration tools such as GitLab Pipeline, Jenkins, or Azure DevOps
- Experience with NoSQL databases such as MongoDB, Elasticsearch, or CouchDB
- Experience troubleshooting, profiling, and debugging applications
What We Do
Ciklum is a global Digital Solutions Company for Fortune 500 and fast-growing organisations alike around the world. The company is headquartered in London and has software development centres and branch offices in the United States, Spain, Switzerland, Denmark, Israel, Poland, Ukraine, Czech Republic, Slovakia, Romania, UAE and Pakistan. Ciklum builds tailored digital solutions that leverage emerging technologies for such clients as Just Eat, Flixbus, Metro Markets, EFG International, Zurich Insurance, Lottoland and others. For more information about us visit www.ciklum.com
