Barcelona, Spain (hybrid) Hybrid Employment 70.000 € to 85.000 € / year

JOIN is hiring a Senior Backend Engineer

Responsibilities

  • 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.)

Nice to Have

  • Experience with Node.js, GraphQL, GCP or AWS, gRPC and protobufs
  • Strong grasp of SOLID principles

Benefits

  • Impact Over Effort – We optimize for outcomes, not hours. What matters is the impact we generate for our teams and customers
  • Yes, You! – It starts with you. We take ownership, act with initiative, and don’t wait for permission to make things better
  • We Grow Together – As individuals and as a team. We invest in each other and get stronger collectively
  • Ambition At Scale – We think big. We’re building something that matters, and we set the bar high for what’s possible
  • 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

Work Arrangement

Hybrid

Team

Structure: Backend Guild, collaborating closely with Product, Platform, DevOps, and Frontend teams

Additional Information

  • We love collaborating in the office sharing knowledge with all colleagues, and we do understand the flexibility of working from home when needed
  • We adapt quickly and embrace change in a growth-oriented startup environment
  • We continuously challenge ourselves and each other to improve
Required Skills
a strongly typed language or TypeScriptRDBMSmessage brokersNode.jsGraphQLGCP or AWSgRPCprotobufs a strongly typed language or TypeScriptRDBMSmessage brokersNode.jsGraphQLGCP or AWSgRPCprotobufs
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About company
JOIN
At JOIN, we are revolutionizing the way companies and candidates connect in the fast-paced world of recruitment. Our platform simplifies hiring, making it more efficient and accessible.
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Job Details
Department Engineering
Category backend
Posted 3 hours ago