# \[TEST NS\] Senior backend developer - Elixir at Marketplace integrations

> Hybrid · Poland · Senior · Backend · open. Source: https://alderhq.app/jobs/recruitee%3Atechpartnerships%3A2550047 (read 2026-11-08).

## Facts (observed)

- Company: [Marketplace integrations](https://alderhq.app/companies/marketplace-integrations)
- Location text: Poznan, Lubelskie, Poland
- Where it can be done from (inferred): Hybrid · Poland (evidence: "Location: Poznan, Lubelskie, Poland")
- Posted: 2026-04-01 (221 days ago)
- First seen by alder: 2026-11-07 · last verified: 2026-11-07
- Reposted: 0 times · edited: 0 times
- Apply on the employer's site: https://techpartnerships.recruitee.com/o/test-ns-senior-backend-developer-elixir

## Pay and sponsorship

- Posted pay: €40k–€50k per year (from the listing's pay field)

## Description (the employer's text)

Senior backend developer - Elixir

### Senior Backend Developer - Elixir

We are seeking a talented Senior Backend Developer with expertise in Elixir to join our dynamic team. As a Senior Backend Developer, you will be responsible for designing, implementing, and maintaining high-performance, scalable backend services using Elixir.

Design and develop robust and secure backend solutions using Elixir

Collaborate with cross-functional teams to define, design, and ship new features

Optimize and improve existing backend systems for performance and scalability

Write clean, maintainable, and efficient code

Participate in code reviews and provide constructive feedback to peers

Stay up-to-date with emerging technologies and trends in backend development

If you are a passionate Backend Developer with a strong background in Elixir and a proven track record of delivering high-quality code, we would love to hear from you.

### Requirements

Senior backend developer - Elixir

### Senior Backend Developer - Elixir Requirements

Minimum 5 years of experience in backend development

Proficiency in Elixir programming language

Strong understanding of database management

Experience with RESTful APIs

Ability to work independently and in a team environment

Excellent problem-solving skills

Good communication and interpersonal abilities

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Data: alder (https://alderhq.app). Cite https://alderhq.app/jobs/recruitee%3Atechpartnerships%3A2550047 and the date you read it. Observed facts come from the employer's own listing; location reach, level, family and skills are inferences.