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Java Backend Engineer - Kraków

Kraków, Lesser Poland Voivodeship, Poland | Marketing and Advertising | Full-time

Description

We are looking for a Java Backend Engineer to help build out our high-load ad serving system, capable of handling over 3M requests/second under 300ms response time. Our backend platform team is a highly talented collaborative group of developers with a number of interesting technical challenges that will excite the best of superstars. You will get experience working with various technologies like Cassandra, Elastic Search, Aerospike, Kubernetes, Clickhouse and Kafka. Your responsibilities will depend on your years of experience and accomplishments.

Experience:

Required:

  • 2+ years' experience in working in development teams doing daily commits into a single code base
  • 2+ years of working experience with Java, Spring
  • Experience in reactive programming (RxJava, CompletableFuture, etc)
  • Experience with SQL DB (PostgreSQL, MySQL or Oracle)
  • Experience with NoSQL DB (Mongo, Cassandra, Elasticsearch, etc)

Desirable:

  • Knowledge of database optimization
  • Knowledge of Kafka, Elasticsearch

Key Responsibilities:

  • Develop features and performance optimization for our Java ad-serving application
  • Implement complex targeting algorithms developed by our data science team into the core ad-serving flow

About You:

  • Proactive attitude towards improving processes and finding new solutions to challenging business problems
  • Strong self-motivation, reliable and flexible team-player
  • High attention to detail, ability to remain focused under pressure
  • Good sense of humor

Benefits:

    • Flexible working schedule with a hybrid working model
    • Annual performance bonus (up to 8%)
    • One month of workation (work from any location worldwide for one month)
    • Training budget


About LoopMe:

LoopMe was founded with the mission of closing the loop on brand advertising. Our full-stack tech platform harnesses mobile data, using a powerful combination of attribution, Artificial Intelligence, and analytics to deliver outstanding campaign performance against brand outcomes — consideration, purchase intent, foot traffic, and offline sales.

The company was founded by experienced mobile advertising executives Stephen Upstone (CEO) and Marco Van de Bergh (CTO) in 2012. LoopMe has global offices in New York, London, Chicago, LA, Atlanta, Boston, Dallas, Detroit, San Francisco, Dnipro, Singapore, Beijing, Dubai, and Johannesburg.

To all recruitment agencies: LoopMe does not accept agency resumes. Please do not forward resumes to our jobs career page, LoopMe employees or any other company location. LoopMe is not responsible for any fees related to unsolicited resumes.

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