# Backend Engineer (m/f/d) at JOIN

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Collaborate with frontend, product and D

- **Company:** JOIN (https://jobs.trythestack.co/companies/join)
- **Location:** Germany
- **Work arrangement:** On-site
- **Employment type:** Full-time
- **Experience level:** 5–10 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** Backend development, TypeScript, RDBMS, Unit testing, Integration testing, Message brokers, Node.js, GraphQL, GCP, AWS, gRPC, Protobufs, SOLID principles, Agile, Kanban, Test-driven development
- **Posted by employer:** 2026-07-31
- **Added to The Stack:** 2026-07-31
- **Status:** May no longer be active (posted more than 60 days ago)
- **Apply:** https://join.com/companies/join/16519053-backend-engineer-m-f-d (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/backend-engineer-mfd-join

## About the role

Responsibilities:
- Collaborate with frontend, product and DevOps/platform teams to design and deliver backend features in an Agile/Kanban workflow.
- Implement scalable, reliable server-side components and APIs used by tens of thousands of users.
- Define technical requirements, choose implementation approaches and trade-offs that meet product goals.
- Write and maintain unit and integration tests; follow TDD and testing best practices.
- Conduct and participate in peer code reviews, retrospectives and continuous improvement activities.
- Improve platform architecture, performance and developer experience (linters, templates, code generation).
- Work with message brokers, RDBMS and async systems to ensure robustness and observability.

Requirements:
- 5+ years backend development experience.
- 2+ years working with a strongly typed language (TypeScript preferred) or equivalent experience.
- Strong experience with RDBMS (raw queries or ORM) and designing reliable data access patterns.
- Practiced in unit and integration testing and test-driven development.
- Experience with message brokers (SNS, RabbitMQ, Kafka, Google Pub/Sub, etc.).
- Familiarity with Node.js, GraphQL, cloud platforms (GCP/AWS), gRPC and protobufs is a plus.
- Good understanding of SOLID principles, clean architecture and pragmatic engineering trade-offs.
- Comfortable working in cross-functional teams and contributing beyond code to product and UX improvements.

## Responsibilities

You will collaborate with cross-functional teams to build scalable features and improve platform architecture using Agile methodologies. Your role involves conducting code reviews and defining technical requirements to ensure high-quality, robust software delivery.

## Requirements

Candidates should have at least 5 years of backend development experience and proficiency in strongly typed languages or TypeScript. Strong knowledge of RDBMS, testing practices, and message brokers is required for this position.

## FAQ

- **Is this Backend Engineer (m/f/d) role still open?** It was posted on 2026-07-31. Listings more than 30 days old may no longer be active, so check JOIN's site before applying.
- **Does JOIN offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on JOIN's site.
- **Where is this role located?** The listing gives the location as Germany. It is marked on-site.
- **What skills does this role ask for?** The listing names: Backend development, TypeScript, RDBMS, Unit testing, Integration testing, Message brokers, Node.js, GraphQL, GCP, AWS, gRPC, Protobufs, SOLID principles, Agile, Kanban, Test-driven development.

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## About The Stack

The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday.

- Newsletter: https://www.trythestack.co (subscribe: https://www.trythestack.co/subscribe)
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## Notes for agents

- Apply on the employer's page (https://join.com/companies/join/16519053-backend-engineer-m-f-d). The Stack does not take applications.
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