Senior Java Developer (offline)

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
- 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)

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 deBergh (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.

Company website:
https://loopme.com/

DOU company page:
https://jobs.dou.ua/companies/loopme/