Senior Java Engineer

Sorry, this job was removed at 02:03 p.m. (CST) on Wednesday, Aug 06, 2025
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2 Locations
In-Office
AdTech • Artificial Intelligence
The Role
Description

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.
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 Engineer to help build out our high-load ad serving system, capable of handling over 2M requests/second with 50ms response time.

What you'll be doing

  • Developing features and performance optimisation for our Java ad-serving application
  • Hardening system architecture to ensure smooth operation during peak-load time
  • Implementing complex targeting algorithms into the core ad-serving flow
  • Working hand-in-hand with multiple teams providing services and data used by our solutions

You'll have

  • 5+ years experience in engineering
  • Strong knowledge of Java, Spring / Spring Boot
  • Practical knowledge of SQL and experience with PostgreSQL (or any other database)
  • Good understanding of microservices architecture and best practices around that
  • Linux shell, Docker

Nice-to-have:

  • Concurrency understanding
  • Experience with gRPC, Project Reactor (formerly RxJava)
  • Experience with Kubernetes
  • Experience with Kafka
  • DGS framework / GraphQL

Benefits:

  • Competitive compensation package
  • International work environment
  • Paid vacation and sick leave
  • Flexible working schedule and possibility to work remotely
  • Annual performance bonus
  • English classes
  • Maternity/Paternity leave

About LoopMe:

Do you want to work with patented-AI technology and develop high-performance solutions? If so, we have the perfect job for you at LoopMe!

We are a global team of skilled engineers who develop and maintain real-time bidding platforms for leading advertisers worldwide. Leveraging technologies such as Java, Postgres, Clickhouse, Kafka, you will be instrumental in scaling performance, optimizing cloud infrastructure, and creating innovative features across our product portfolio. 

As the market leader in AI, LoopMe uses agile methodology to deliver product features at a fast pace. Join us and be a part of our mission to push the boundaries of what is possible in the advertising industry!

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The Company
HQ: Los Angeles, CA
335 Employees
Year Founded: 2012

What We Do

LoopMe, the leading outcomes-based platform, closes the loop on digital advertising. By leveraging AI to optimise media delivery in real-time, we drive measurable uplift for business outcomes and more effective advertising across online and offline marketing goals, including brand lift, purchase intent, consideration, foot traffic and sales.

LoopMe's core business helps brands and agencies achieve better advertising results powered by our AI-platform and flagship product PurchaseLoop. LoopMe's marketplace powers more effective supply and demand connections, rooted in programmatic delivery. LoopMe's robust data and analytics measurement suite, including its proprietary household and device graph, brings deep insights to various companies within the advertising industry including podcasting, out-of-home, connected TV, mobile and more.

LoopMe was founded in 2012 with the mission to create better consumer experiences through innovation, powered by data, in order to bring people and brands together. The Company is headquartered in the UK, with 15 global offices across New York, Boston, Atlanta, Chicago, Detroit, San Francisco, Los Angeles, Toronto, Singapore, Sydney, Tokyo, Dnipro, Krakow and Hong Kong.

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