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Symbio Sweden          

Senior Java Developer (Contract)

Ort:San Francisco Typ:Heltid
Bransch:Data/IT Sista ansökningsdag: 2020-12-31

At Symbio, you will be given the resources to be successful, and have a lot of ownership and autonomy. We foster a culture that is consistent with our mission, vision and values, and drives our employee satisfaction forward. We value taking a responsible mindset to create value for our clients and colleagues by transferring ideas into high quality products and services. Our career path lets you both widen and deepen your expertise, work directly with customers that are global multinational or cutting edge pioneers, both in your local market as well as abroad.

We are looking for a Java Developer to develop core algorithms for building the analytics platform, which will act as an abstraction layer between data warehouses and its consumers from the analytics, reporting or data science teams.


What you’ll do as a Java Developer:

  • Write code to access data warehouses and extract the data as Java objects, which are then serialized into byte streams.

  • Create an API for analysts/users of the Java objects to take outputs of analytics functions written in Python or SQL and persist these outputs into the Java objects.

  • Extract data from Java objects and byte streams and create industry standard formats like Apache Parquet or Mongo collections.

You could be a great fit if you have:

  • Strong experience with the full software development life cycle: architecting scalable platforms, object-oriented      programming, database design and Agile methodologies
  • Strong aptitude in core infrastructure development using Core Java; along with database programming      (JDBC/ODBC), data serialization, data buffers and networking using TCP sockets, multithreading and distributed computing
  • Proficiency in SQL databases, such as Microsoft SQL Server, particularly using application access
  • Working experience with Git and setting CI/CD pipelines using Jenkins
  • Experience in setting up, using and deploying unit testing frameworks like JUnit and Google Test
  • Proficiency using design patterns and building web services in both Java- and Python-based environments
  • In-depth understanding of HTTP, TLS/SSL/Kerberos security mechanisms and REST architecture
  • Familiarity with basic UNIX /Linux internals, basic cryptography and security
  • Experience working with AWS (Amazon Web Services) cloud platform and various Python Integrated Development Environments
  • Prior experience using Google protobuf libraries and gRPC for cross-platform communication in Java/C++/Python, along with knowledge of Redis/MongoDB or other cloud-based data store is      desirable
  • Aptitude with Pandas and NumPY Python libraries during development lifecycle is desirable


Job Demands:

  • Must be able to review and analyze data reports and manuals; must be computer proficient.
  • Must be able to communicate effectively via telephone and in person.


Education—Bachelor’s degree in computer sciences, engineering, management information systems or equivalent working experience.


This description portrays in general terms the type and level(s) of work performed and is not intended to be all-inclusive, nor the specific duties of any one incumbent.


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