Senior Fullstack Engineer (Elixir/Phoenix)

Introductory paragraph

We’re looking for a Senior Elixir Fullstack Engineer to join our empowered product team, building simple, elegant software from complex requirements. This is meaningful, fast-paced product work with real impact. We’re a small, hands-on team that owns a single product end to end. Start date: December 1, 2025 or January 5, 2026.

About us

• My name: Klaus Breyer

• My position: CPTO

• Company name: Myosotis GmbH

• Company website: https://myo.de

• Company headquarters (country): Germany

• Company info and history (how you’re using Elixir etc): We build “Formfix,” a digital platform for social-care subsidy applications (“Hilfe zur Pflege”) used by thousands of families and care providers across Germany. Our stack is Elixir, Phoenix, LiveView, TailwindCSS, daisyUI, and a modern fullstack setup focused on reliability, privacy, and simplicity. We care deeply about product outcomes, quality, and building a long-term platform.

About the job

• Job title: Senior Fullstack Engineer (Elixir/Phoenix)

• Job description: You will design, build, and maintain our Elixir/Phoenix codebase, shape our architecture, collaborate closely with Product and Design, and help build a privacy-first platform that handles sensitive data securely and reliably.

• Salary range: Competitive, based on experience

• Qualifications or experience required: Several years of professional experience as a Fullstack Engineer; ideally Elixir or Ruby background; strong product mindset; understanding of GDPR and secure software design; professional English.

• What the successful job applicant will be working on:Building and maintaining a clean, reliable codebase with Phoenix/LiveView; iterating quickly in small cycles; contributing to architecture decisions; taking responsibility for privacy and security; influencing processes, tooling, and team culture.

Position on remote work

• Remote job: yes

• Remote restrictions: EU only

• Remote leeway: Hybrid in Berlin preferred, remote is also ok (if everything else fits)

• Any other notes about your position on remote work: We are a distributed-friendly product team with a preference for periodic in-person collaboration in Berlin.

About the interview process

Our process is straightforward and human.

• Cultural fit call with the CPTO

• Technical interview with our current Elixir developer.

• Short homework assignment.

• Meeting the team (Product and Design).

• Decision and offer.

Further info

Nice to have experience: handling sensitive data, encryption/key management, DevOps familiarity, Shape Up.

Benefits include an empowered team, real product ownership, mentorship from an experienced Elixir developer, flexible hours, hybrid options, 29+1 days vacation, a €1,000 annual learning budget, Urban Sports subsidy, and the option for part-time (80%).

To apply, please send: a concise CV, a short cover letter explaining your motivation and working style, and optionally a small portfolio or repo snippet.