Position: Senior .NET Developer for Ciklum Digital
Company: Ciklum
Category: .NET
Experience required: 3y
English level: upper

Ciklum is building a team to work on various projects which primary goal to improve and automate the customer’s business processes, reduce time and efforts, required for various operations.

About the 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.)
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 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
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 3 years)
Practical commercial experience with:
REST API development
.NET Framework, .NET Core, ASP.NET (Core, MVC, WebAPI)  (more than 3 years)
Testing frameworks (e.g. e.g. NUnit, XUnit, MSTest) (more than 2 years)
ORM (e.g. Entity Framework, Dapper)  (more than 2 years)
RDBMS (e.g. SQL Server, MySQL/MariaDB, PostgreSQL)  (more than 3 years)
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)
Cloud computing platforms (e.g. Microsoft Azure, AWS, Google Cloud Platform)
Docker
Continuous Integration tools (e.g. Gitlab Pipeline, Jenkins, TeamCity, Bamboo)
Builders
At least 1 years of experience with React
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 or Upper-Intermediate English

**Desirable**

Certifications on:
Microsoft Certified Developer
Cloud computing platforms (Microsoft Azure, AWS, GCP)
Understanding of orchestration and containerisation (e.g. Kubernetes, Swarm)
Knowledge in Deployment patterns
Practical commercial experience with:
Serverless architecture
Integration with 3rd party solutions
NoSQL (e.g. MongoDB, ElasticSearch, CouchDB)
Experience with Search Engines (e.g. ElasticSearch, Azure Search, Apache Solr)
Provisioning tools (e.g. Terraform, Ansible)
Quality tools (e.g. SonarQube)

**Personal skills**

Perform a broad range of complex technical or professional activities, in a variety of contexts
Investigate, define and resolve complex issues
Able to work in distributed cross-functional teams effectively
Influence customers and team members on the project level
May supervise others or make decisions which impact the work assigned to individuals or phases of projects
Plan, schedule and monitor your own work (and of others where applicable) competently
Have learning agility (readiness for challenge and being open to change)
Confident Intermediate English (or higher) is a must

**What's in it for you**

Career growth opportunities
Realization of your innovative ideas in building new solutions and services
Possibility to propose solutions on a project
Friendly collaborative teams and enjoyable working environment
Professional skills development and training programs
Variety of knowledge sharing, training and self-development opportunities
Learn different business domains
Constant flow of new projects
Dynamic and challenging tasks
Projects from scratch
Continuous self-improvement
State of the art, cool, centrally located offices with warm atmosphere which creates really good working conditions
Long-term employment with 20 working-days paid vacation and other social benefits