Experience: 8+ years
Job Description:
We are looking for a Senior Backend Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be development of all server-side logic, definition and maintenance of the database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your coworkers into the application. A basic understanding of front-end technologies is therefore necessary as well.
Responsibilities:
- Integration of user-facing elements developed by a front-end developers with server side logic
- Integration of external platform and libraries
- Building reusable code and libraries for future use
- Optimization of the application for maximum speed and scalability
- Implementation of security and data protection Design and implementation of data storage solutions
Skills Required:
- Proficient knowledge of a back-end programming language Java/Groovy, with a good knowledge of its ecosystems
- Familiarity with concepts of MVC, JDBC, RESTful, and Microservices
- Experience with frameworks, such as Micronaut/Grails/SpringBoot
- Doświadczenie z frameworkami, takimi jak Micronaut, Grails i SpringBoot
- Experience with databases (MySQl, MongoDB, Redis, ElasticSearch)
- Knowledge of Reactive Streams Programming(RxJava2/Project Reactor)
- Understanding accessibility and security compliance based on microservices
- User authentication and authorization between multiple systems, servers, and environments
- Integration of multiple data sources and databases into one system
- Management of hosting environment, including database administration and scaling an application to support load changes
- Data migration, transformation, and scripting
- Setup and administration of backups
- Outputting data in different formats
- Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3
- Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
- Creating database schemas that represent and support business processes
- Implementing automated testing platforms and unit tests
- Proficient understanding of code versioning tools, such as Git
- Proficient understanding of OWASP security principles
- Understanding of “session management” in a distributed server environment
Other work attributes:
- Atlassian tools: JIRA, Confluence, BitBucket
- Unit testing
- Integration tests
- Continuous Integration: Jenkins
- Operating System: MS Windows
About the Project:
Sensfix is a silicon-valley based startup with working team in Poland. We are building a first-of-its-kind, machine-2-service platform that enables every machine & device to automatically search, find and call the nearest service personnel to fix before they break.
Salary:
B2B Contract: 17 000 – 24 000 PLN gross/month
Employment Contract: 17 000 – 24 000 PLN gross/month
Languages:
English: minimum B2
Polish: Native
Other Benefits
Employee Stock Option