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Semrush

Senior Backend Developer, Frozen Team

Semrush

Senior Backend Developer in Semrush's Frozen Team, performing high-quality backend system development and architectural improvements. The role is remote, focusing on stability and maintainability of products.

Posted 4/15/2026full-timeRemote • 🇪🇸 SpainSeniorWebsite

Tech Stack

Tools & technologies
DockerGoJavaKubernetesMongoDBMySQLPostgresRedisSpring

About the role

Key responsibilities & impact
  • Perform high-quality development and introduce necessary architectural improvements to ensure products remain stable and maintainable.
  • Support the transition of services into our standard tech stack and maintain reliable CI/CD processes.
  • Modernize monitorability by refining metrics, logging, and alerts to move toward a proactive and automated support state.
  • Work with various storage solutions, ensuring they are optimized for stability and performance.
  • Participate in code reviews and maintain consistent engineering standards across the portfolio.
  • Support the team with deep technical insights during product transitions and help resolve unique architectural or performance challenges

Requirements

What you’ll need
  • Experience in building and maintaining resilient, distributed backend systems.
  • Strong proficiency in Java (Spring) or Go, with a genuine willingness to work across both stacks and learn the second language as you go.
  • Practical experience with Kubernetes, Docker, and CI/CD pipelines.
  • Expertise with databases (PostgreSQL or MySql).
  • Experience with Redis, MongoDB, or ClickHouse is a plus.
  • Experience with any observability stack (logging-tracing-metrics)
  • Readiness to share ownership and make technical decisions together with the team.
  • Ability to write clear documentation and runbooks that simplify long-term service maintenance.

Benefits

Comp & perks
  • Unlimited PTO
  • Hobby & team building budget allowance
  • Employee Support Program
  • Loss of family member financial aid
  • Employee Resource Groups

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
JavaSpringGoKubernetesDockerCI/CDPostgreSQLMySQLRedisMongoDB
Soft Skills
technical insightscollaborationdocumentationproblem-solvingownership