join.com

Senior Backend Engineer

join.com

full-time

Posted on:

Location Type: Hybrid

Location: BarcelonaSpain

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Salary

💰 €70,000 - €85,000 per year

Job Level

About the role

  • Collaborate with frontend engineers, product managers, and DevOps/platform teams to build meaningful features through our Agile SDLC/Kanban workflow.
  • Conduct peer code reviews and contribute to retrospectives to drive continuous improvement.
  • Define technical requirements and identify the best solutions to meet team goals.
  • Participate in engineering retrospectives focused on testing, architecture, automation, and coding standards.
  • Always think beyond the code - you’ll focus on delivering value and improving the user experience for our customers.

Requirements

  • 5+ years of backend development experience.
  • 2+ years of experience with a strongly typed language or TypeScript.
  • Strong experience with RDBMS (raw queries or via ORM).
  • Solid background in unit and integration testing.
  • Experience with message brokers (SNS, RabbitMQ, Kafka, Google Pub/Sub, etc.).
  • Bonus: Experience with Node.js, GraphQL, GCP or AWS, gRPC and protobufs.
  • Bonus: Strong grasp of SOLID principles.
Benefits
  • Apple hardware – The best tools for the job (MacBook).
  • Team events – Brunches, sports activities, and quarterly gatherings in Berlin.
  • Productivity from Everywhere – 104 days per year remote (post-probation), following our hybrid policy.
  • Competitive salary – Tailored to align with your experience level.
  • Relocation support – Assistance with paperwork, travel, and one month of furnished accommodation.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
backend developmentTypeScriptRDBMSunit testingintegration testingmessage brokersNode.jsGraphQLGCPAWS
Soft Skills
collaborationcontinuous improvementproblem solvinguser experience focus