Senior Backend Developer | C#

Senior Backend Developer | C# Miejsce pracy: Katowice Technologies we use Expected C# .NET SQL Entity Framework Microservices Unit testing Integration test Optional Docker Operating system Windows Linux About the project Your job will be to develop a part of a distributed system that serves the hospitality industry. It is a solution that allows hotel employees or hotel managers to handle various activities such as managing reservations, payments and hotel services within the hotel or between hotels. The system consists of many domain-oriented microservices developed under a few cross-functional teams. Technologies: .NET 8 (C#), Web API, Entity Framework, REST, Open ID (JWT), Identity Server, Federated Security, SSO, PostgreSQL, Elastic Search, Redis, Kafka, Kubernetes, Docker, AWS (S3, EC2, ESB, Route53, CloudFront, VPC, API Gateway etc.), ELK Stack, Graphana, Opsgenie, Kong Api Gateway Our System •Cloud Native, deployed in Kubernetes on AWS infrastructure •Written in .NET, API First (REST) approach with thin UI client •Written in microservices, DDD, CQRS, Event Based, Saga Pattern for Distributed Transactions •Multi-tenant and multi-region (US, EU, China, APAC, Middle East deployed regions) •Green field development, with less than 5 years old code, started from scratch in .NET Core Your responsibilities Collaborating with Product Owners in grooming the business requirements before development Designing, implementing and then maintaining new functionalities inside a living system Performing code reviews daily Guiding other developers into the correct implementation of business requirements Our requirements Experience 4 years in a similar role Advanced Object-Oriented and or Functional Programming paradigms Good knowledge of C#, .NET, Web API (REST), Entity Framework, or any other ORM (Dapper/NHibernate, etc.) Knowledge of DBs, such as PostgreSQL or Elastic Search Good Knowledge of testing (Unit/Integration tests) The capability of writing clean code along with tests Being an open-minded, proactive person Optional Experience with Integration Systems and patterns (XML/SOAP, JSON, CSV, FTP or HTTP message transformation/delivery, competing consumers pattern, pipes and filter, off loading queue etc.) Experience with distributed systems, transactions, multi-tenant and multi-region systems Basics of Linux, Docker This is how we organize our work This is how we work in house scrum This is how we work on a project Clean Code code review design patterns DDD architect / technical leader support Continuous Deployment Continuous Integration DevOps integration tests performance tests test automation unit tests manual tests Development opportunities we offer development budget external training industry-specific e-learning platforms intracompany training support of IT events technical knowledge exchange within the company What we offer Choose your preferred form of employment (B2B, CoE) Flexible working hours Lloyds insurance - available for B2B contractors Subsidy for the purchase of glasses (300 PLN/year, CoE) Private medical care with dentists package for you and your family Group life insurance for you and your partner Multisport card included in the Worksmile package Dell laptop, keyboard, mouse, wireless headphones and monitor 40h for development during work time Free access to group language lessons Udemy platform Worksmile cafeteria and 500 (or 310 depending on your choice of other benefits) points per month to be used in vouchers Referral bonus if you refer a new employee (6500 PLN gross or more, depending on the position) Chill room with table football & PlayStation Free snacks (every day) Benefits sharing the costs of sports activities private medical care sharing the costs of foreign language classes sharing the costs of professional training & courses life insurance flexible working time fruits no dress code video games at work coffee / tea drinks leisure zone employee referral program Recruitment stages HR meeting (the interview will take about 20 minutes) technical interview (up to 1,5h) Our Daily Work We follow Scrum with iterating Sprints, Grooming & Sprint planning sessions, Code Freeze after sprint and retrospective meetings We use Gitlab to sync the code with develop and master branches, and create feature branch for each User Story We commit daily and use CI/CD using Gitlab/Jenkins We open merge requests and wait for review for other team members before merge We use docker and docker compose for local development and deployment of all microservices We create nuget packages to share work with others in our own Nuget Server We use Visual Studio or Rider or VSC for coding We use teams to communicate and or participate in meetings with other team members Shiji Poland Shiji Group provides software solutions and services for the hospitality, food service, retail and entertainment industries, ranging from hotel management solutions, to food and beverage and retail systems, payment gateways, data management, online distribution and more. Founded in 1998 as a network solutions provider for hotels, and later changed to a software provider for the whole consumer market, Shiji Group today comprises 5,000 employees in 80 subsidiaries and brands, serving over 91,000 hotels, 200,000 restaurants and 600,000 retail outlets. Shiji is committed to connecting the global business of hospitality. We provide an integrated suite of technological solutions that empower hotel, retail, food, and entertainment companies to better connect with their guests. Please don't forget to put the clauses you accept in your resume:I agree that my personal data will be processed by Shiji Poland Sp. z o. o. in order to recruit for the position I am applying for. I agree to the processing of my personal data by Shiji Poland . z o. o. for the needs of future recruitment.