Senior Backend Engineering Lead - Scala/Java & AdTech

LoopMe; Kraków; Hybrid; PLN 240,000 - 320,000; Full time

Job summary

A leading ad technology firm in Kraków is seeking a Backend Engineering Leader to build and lead a team responsible for a high-performance advertising exchange. This role requires strong Scala experience and a proven ability in software engineering, focusing on high-traffic systems. The position offers a flexible hybrid working model, an annual performance bonus, and unique workation opportunities.

Benefits

Flexible working schedule

Annual performance bonus (up to 8%)

One month of workation

International work environment

Multikafeteria

Qualifications

• 3+ years of Scala programming experience.
• 2+ years of AdTech experience (DSP, SSP, Exchange).
• 6+ years of software engineering experience.
• Proven track record of designing and delivering large scale software systems.
• Understanding of microservices and distributed systems with hands-on experience.
• Experience in high capacity, high traffic, high availability systems.
• Experience working in an agile environment.

Responsibilities

• Build and lead a team of engineers working on the exchange.
• Design, build, and evolve backend services for the advertising ecosystem.
• Translate the advertising exchange from Scala to Java.
• Define and own APIs and developer tools.
• Collaborate with engineers, system architects, QA, and Operations.
• Lead technical discussions to improve product and process.
• Mentor engineers and raise the bar for code quality.
• Deliver quality work on time driving developer productivity.

Skills

Scala programming

Software development

Microservices

Distributed systems

Data engineering

Education

BS in Computer Science or related field

Tools

Kafka

Job description

A leading ad technology firm in Kraków is seeking a Backend Engineering Leader to build and lead a team responsible for a high-performance advertising exchange. This role requires strong Scala experience and a proven ability in software engineering, focusing on high-traffic systems. The position offers a flexible hybrid working model, an annual performance bonus, and unique workation opportunities.