As a Junior Back - End Developer, you'll maintain TypeScript microservices and work on the GraphQL API. Join Callan's IT team to support investment consulting services.
About the role
- Backend Engineer at JOIN working on a modern tech stack to enhance hiring experiences. Collaborating closely with frontend and DevOps teams in a hybrid model in Barcelona, Spain.
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.).
- 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.
- Relocation support – Assistance with paperwork, travel, and one month of furnished accommodation.
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