Backend Team Lead

Rakuten Viber

full-time

Posted on: 1/27/2026

Location Type: Office

Location: Warsaw • Poland

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About the role

Lead, mentor, manage and inspire a diverse agile team of backend developers across different locations, alongside hands-on coding
Actively participate in the design, development, and maintenance of backend systems and applications while analyzing business requirements to create scalable, high-performing, and testable solutions
Collaborate closely with product managers, client developers, scrum masters, and other stakeholders to deliver high-quality solutions
Effectively manage and integrate the contributions of a full-stack web developer within the backend team’s scope.

At least 3 years of experience as a team leader
At least 8 years of hands-on experience in server-side development
At least 2 years of hands-on experience with Go lang
Proven experience in developing large-scale systems using cloud services and NoSQL databases (such as GCP or\and AWS, Couchbase)
Experience with microservices architecture, Docker, and container orchestration (e.g., Kubernetes) & CI/CD
Experience with Agile methodology
Ability to quickly understand complex systems and drive solutions.
Fluent in written and spoken English
Excellent spoken and written communication skills

Benefits

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Hard Skills & Tools

server-side developmentGo langcloud servicesNoSQL databasesGCPAWSmicroservices architectureDockerKubernetesCI/CD

Soft Skills

team leadershipmentoringcollaborationcommunicationproblem-solvingadaptabilityinspirationunderstanding complex systems