Java Team Lead
Are you passionate about leading engineering teams to build scalable, high-performance backend systems that power innovative solutions? Do you thrive in tackling complex technical challenges at scale? This opportunity is for you!

6300 – 8000 EUR

Hybrid from Kraków, Poland (3 days at office)

Full-time

B2B contract
We are seeking a Hands-On Java Team Lead to guide our team in developing a cutting-edge data collection platform that helps mobile marketing managers optimize their business performance. You’ll lead a talented team of developers and work closely with product managers and engineers to deliver value to customers in the rapidly growing mobile marketing space.
Requirements

5+ years of backend engineering experience, with a passion for excellence

3+ years of experience leading a team of at least 3 developers

Solid knowledge of Kafka, SQS, K8s, Postgres, and event-driven systems

Experience with large-scale SaaS production services and databases

Proficiency in at least one backend language (Java, Go, Clojure, etc.)

Proficiency with database technologies such as SQL, Athena, and BigQuery

A team player with a strong sense of ownership and the ability to work collaboratively

Ability to quickly grasp new languages, systems, and frameworks

Strong drive to deliver results as part of a team
Nice to have

Solid knowledge of Clojure

Experience in functional programming

B.Sc. in Computer Science or an equivalent
Responsibilities

Lead and mentor a team of 4-5 Frontend and Backend developers

Develop and enhance our data collection platform to support marketing data aggregation at scale

Solve complex technical problems related to scalability, performance, and system stability

Collaborate with product managers and software engineers to deliver customer value

Optimize engineering processes and tools to enhance team productivity

Analyze and improve the performance, scalability, and stability of our products and systems

Stay up to date with new technologies to ensure continuous improvement and innovation

Participate in our on-call rotation and monitor the system to ensure reliable performance
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