Senior Software Engineer (Scala/Java)

LoopMe; Kraków; Hybrid; PLN 180,000 - 240,000; Full time

Job summary

A leading advertising technology company in Poland is seeking a backend software engineer to join their exchange team. You will design and implement functionalities on a platform that processes a high volume of requests. The ideal candidate has strong Scala experience and is familiar with transitioning to Java. Benefits include a flexible working schedule, an annual performance bonus, and the option for a one month workation.

Benefits

Flexible working schedule

Annual performance bonus

One month of workation

Qualifications

• 2+ years of Scala programming experience.
• 6+ years of software engineering experience.
• Experienced with high capacity, high traffic systems.

Responsibilities

• Design, implement and test the functionality of our Exchange product.
• Work with other teams to implement enhancements.
• Participate in technical discussions for product improvement.

Skills

Scala programming

Java

Python

Microservices

Agile development

Education

BS in Computer Science or related field

Tools

MongoDB

Kafka

AWS

Job description

LoopMe is the leading in-app monetization and programmatic advertising platform. We reach a mobile audience of over 900 million monthly unique users globally and process over 200 billion ad requests. The Chartboost SDK is the highest-integrated independent mobile ad SDK and through the Chartboost Exchange, Ad Network and other services, we empower mobile app developers to build businesses, while connecting advertisers to highly engaged audiences.

What we need:

We are looking for a backend software engineer to join our exchange team and help us build the best advertising platform for mobile developers. You'll work on a system that processes hundreds of thousands of requests per second and conducts a real-time auction to find and deliver the most effective ads from our global partners. We trust our engineers to own this critical system and handle the full life cycle of feature development, from initial design all the way to shipping into production.

Our system is written in functional Scala and has plenty of opportunities to flex your distributed, low-latency programming muscle, using technologies like mongoDB, protocol buffers and others. We’re planning on moving away from Scala to Java over the next few years, so be prepared to help us with that transition.

What you’ll be doing:

• Responsible for design, implementation and testing the functionality of our Exchange product
• Work effectively with other engineers, system architects, and Operations teams to implement enhancements and issue resolutions
• Help translate our advertising exchange from Scala to Java
• Participate in technical discussions; come up with innovative ways to improve the product and process
• Troubleshoot issues with application, technologies, and infrastructure
• Continuously improve your technical knowledge
• Think creatively and work independently - collaborating with others as needed to maximize efficiency and throughput
• Deliver quality work on time while driving developer productivity across the organization
• You’re the type of engineer that appreciates clean code and has experience in writing unit tests to keep the utmost in code quality

Qualifications:

• BS in Computer Science or related field
• 2+ years of Scala programming experience, along with experience in other programming languages such as java, or python.
• 6+ years of software engineering experience
• You have an understanding of microservices and hands-on experience implementing them
• You are experienced with software development in high capacity, high traffic, high availability websites/systems
• You have experience working with Agile development

The following experience would be a plus:

• Advertising technology experience
• Experience with Python or Java
• NoSQL databases (MongoDB, Bigtable, Aerospike etc)
• Distributed messaging services, like Kafka, PubSub
• Strong skills in Data Engineering
• Experience Managing Cloud infrastructure (AWS or GCP)
• Familiarity with Git and/or Bitbucket

Benefits

• International work environment
• Flexible working schedule with a hybrid working model (50% of the worktime from the office)
• Annual performance bonus (up to 8%)
• One month of workation (work from any location worldwide for one month)
• Multikafeteria