All offersKrakówJavaMid/Senior Java Engineer
Mid/Senior Java Engineer
Java
Loopme

Mid/Senior Java Engineer

Loopme
Kraków
Type of work
Full-time
Experience
Mid
Employment Type
B2B
Operating mode
Hybrid
Loopme

Loopme

LoopMe is a technology company that uses AI to improve brand advertising performance & outcomes.

Company profile

Tech stack

    Java
    master
    Microservices
    master
    Kubernetes
    master
    Kafka
    advanced
    SQL
    advanced
    Concurrency
    advanced
    ClickHouse
    regular
    Docker
    regular
    RxJava
    nice to have

Job description

Online interview
Friendly offer

Are you interested in working with cutting-edge technologies and developing high-performance applications capable of handling over 2 million data queries per second? If so, we have the perfect job for you at LoopMe!


We are a team of skilled engineers who develop and maintain real-time bidding platforms for global advertisers. As part of our team, you will work alongside other talented engineers on a daily basis, using technologies such as Java, Postgres, Clickhouse, Kafka, and others to scale performance, optimize cloud infrastructure, and create innovative features for our various product lines. At LoopMe, we follow Agile methodology to deliver features rapidly to the market.


Join us and be a part of our mission to push the boundaries of what is possible in the advertising industry!


What we need

We are looking for a Senior Java Backend Engineer to help build out our high-load ad serving system, capable of handling over 2M requests/second under 50ms response time.


What you'll be doing

  • Developing features and performance optimisation for our Java ad-serving application
  • Implementing complex targeting algorithms developed by our data science team into the core ad-serving flow
  • Implementing backend for BI ad-hoc queries


You'll have

  • 3+ years experience in engineering
  • Strong Java knowledge and concurrency understanding
  • Strong knowledge of SQL
  • Experience with PostgreSQL (or any other database)
  • Experience with Kafka
  • Experience with columnar DB (Clickhouse, Vertica, etc)
  • Linux shell
  • Docker
  • Nice-to-have: experience with gRPC, RxJava, Project Reactor
  • A proactive attitude towards improving processes and finding new solutions to challenging business problems
  • Be a self-motivated, reliable and flexible team player


Benefits

  • Competitive compensation package
  • International work environment
  • Flexible working schedule and the hybrid type of work
  • Annual performance bonus (up to 10%)
  • One month of workation (you can work from any part of the world for one month)


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.