Senior Backend Developer

Daylight PMS

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.

The position is offered on a 1-year contract

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

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

• 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

Nice to have:

• 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