Position: Expert .NET Developer
Company: Ciklum
Experience required: 5y
English level: upper

**Description**
Ciklum is looking for an Expert .NET Developer to join our team full-time in Ukraine.
We are a leading global product engineering and digital services company that unites 4000+ seasoned professionals globally on various projects in healthcare, fintech, travel, sportswear, entertainment, and security. Ciklum delivers high-impact technology solutions to Fortune 500 and fast-growing organizations worldwide. 

About the role:
As an Expert .NET Developer, become a part of a cross-functional development team working for the Payoneer. 

About Client:
**Payoneer **is a fast-growing, profitable, well-funded and dynamic global payments company. Payoneer’s offices are located in Israel, New York and more. It is serving thousands of corporates and millions of end-users (payment receivers), in over 200 countries.
Payoneer’s R&D organization holds over 100 workers (Developers, Manual QA, Automation QA, DBA, IT, Professional services/ production support). R&D teams are operating in SCRUM methodology, with product-manager involved in each team.
Payoneer’s systems are based on Microsoft and open-source technology (.NET 4.5, React, Angular, ASP.Net & MVC, CSS/JQuery/JavaScript and AJAX, SQL server 2012/2014, Windows server, IIS) – serving both international WEB users and the Company internal users.
R&D is looking for extending its capacity for new-developments and existing product enhancements, in high quality and fast pace of delivery. 
R&D is looking for new teams in Ukraine that will expand capacity, mainly for WEB applications (server side, and the required matching client side). The team will be assigned various tasks of development, changing along the time (not turn-key projects).
With our Payoneer’s fast, flexible, secure and low-cost solutions, businesses and professionals in both developed and emerging markets can now pay and get paid globally as easily as they do locally.

**Responsibilities**
Back-end development to meet customer’s business needs and implement components according to modern software development environment (cloud-based platforms, microservice architecture, etc)
Develop and review feature design documents and provide inputs/ updates to specifications for the solution
Design and implement a set of various types of tests (unit, integration, functional, etc)
Proactive position in architecture preparation, 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
Up to 20% Front-End tasks
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 7 years
Excellent knowledge in Computer Science, Computing Theory:
Paradigm & Principles (OOP, SOLID, DDD, TDD, BDD)
Database theory (RDBMS, NoSQL)
Code testing practices
Algorithms
Data structures
Architectural, Enterprise and Design Patterns
Deployment 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# and .NET (more than 5 years)
Knowledge and experience in React
Practical commercial experience with:
REST API development
.NET Framework, .NET Core, ASP.NET (Core, MVC, WebAPI) (more than 4 years)
Testing frameworks (e.g. e.g. NUnit, XUnit, MSTest) (more than 3 years)
ORM (e.g. Entity Framework, Dapper) (more than 3 years)
RDBMS (e.g. SQL Server, MySQL/MariaDB, PostgreSQL) (more than 4 years)
NoSQL (e.g. MongoDB, ElasticSearch, CouchDB)
Search Engines (e.g. ElasticSearch, Azure Search, Apache Solr)
Key-value storages (e.g. Redis, Memcached)
Messaging systems (e.g. RabbitMQ, Apache Kafka, Active MQ, AWS SQS, Azure Service Bus, Google Pub/Sub)
Web Servers
Version control systems (GIT)
Cloud computing platforms (e.g. Microsoft Azure, AWS, Google Cloud Platform)
Integration with 3rd party solutions
Docker
Continuous Integration tools (e.g. Gitlab Pipeline, Jenkins, TeamCity, Bamboo)
Builders
Experience with:
Troubleshooting, profiling and debugging applications
Creation software architecture and design of complex applications, platforms, microservices solutions
Agile software processes and technologies
Code Review process
Refactoring process
Fluent English

**Desirable**
Certifications on:
Microsoft Certified Developer
Cloud computing platforms (Microsoft Azure, AWS, Google Cloud Platform)
Delivery processes (SAFe, Agile, etc)
Experience with Supporting medium to large size solution delivery projects
Understanding of orchestration and containerisation (e.g. Kubernetes, Swarm)
Practical commercial experience with:
Serverless architecture
Provisioning tools (e.g. Terraform, Ansible)
Quality tools (e.g. SonarQube)

**What's in it for you**
Care: your mental and physical health is our priority. We ensure comprehensive company-paid medical insurance, Mental Health programs, as well as financial and legal consultations
Tailored education path: boost your skills and knowledge with our regular internal events (meetups, conferences, workshops), Udemy licence, language courses and company-paid certifications
Growth environment: share your experience and level up your expertise with a community of skilled professionals, locally and globally
Flexibility: choose how you want to work – a 100% remote or on-sight in our offices. Own your schedule – you are the one to decide when to start your working day. Just don’t miss your regular team stand-up
Opportunities: we value our specialists and always find the best options for them. Our Internal Mobility Program helps change a project if needed to help you grow, excel professionally and fulfil your potential
Global impact: work on large-scale projects that redefine industries with international and fast-growing clients
Welcoming environment: feel empowered with a friendly team, open-door policy, informal atmosphere within the company and regular team-building events
About us:
Discover the pros of 20-year global experience! Join one of the largest IT companies in Ukraine, awarded as one of the top 10 employers in Ukraine by Forbes.
Boost your skills and make a difference with cutting-edge projects, skilled colleagues and the latest tech stacks. 
Be bold, not bored! 
Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.