Software Engineer, Applied AI

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{
  "id": "2659375",
  "name": "Software Engineer, Applied AI",
  "office": "Frankfurt am Main",
  "keywords": [],
  "schedule": "full-time",
  "createdAt": "2026-06-05T12:50:37+00:00",
  "seniority": "experienced",
  "department": "Engineering",
  "occupation": "general_and_other_engineering",
  "subcompany": "Matrix42 GmbH",
  "employmentType": "permanent",
  "jobDescriptions": [
    {
      "name": "Your mission",
      "value": "<span>Design and build the software that turns large language models into reliable, production-grade<br>  products. You'll work across the full stack — backend services, AI tooling, and user-facing interfaces<br>  — shipping features that let AI agents reason over data and act safely on behalf of users.<br> <br> <br>  Responsibilities & Duties<br> <br>  - Implement and design features: Develop high-quality software components — both conventional services<br>  and AI/LLM-powered capabilities — that align with established architectural patterns and business<br>  requirements.<br>  - Task decomposition: Break down assigned features into manageable technical tasks and provide reliable<br>  estimates for delivery timelines.<br>  - Code ownership: Write, maintain, and optimize clean, modular code, ensuring performance, scalability,<br>  and (for AI features) cost and context efficiency are considered during implementation.<br>  - Quality assurance: Participate actively in code reviews, provide constructive feedback to peers, and<br>  adhere to defined coding standards and quality protocols. Evaluate AI features for correctness, safety,<br>  and regressions.<br>  - Cross-functional collaboration: Coordinate with colleagues to clarify requirements and ensure<br>  seamless integration of new features.<br>  - Knowledge sharing: Contribute to internal documentation to promote team-wide understanding of the<br>  codebase and AI system behavior.<br>  - Process contribution: Identify opportunities for technical-debt reduction and suggest improvements to<br>  the development workflow or toolset to increase efficiency.</span>"
    },
    {
      "name": "Your profile",
      "value": "Must have<br> <br>  - Strong experience in at least one backend language and ecosystem (e.g. Python, TypeScript, Go, Java,<br>  or C#/.NET).<br>  - Deep understanding of software design fundamentals — OOP, SOLID, and separation of concerns.<br>  - Expertise in developing RESTful web services and web applications.<br>  - Solid knowledge of SQL and database/data modeling.<br>  - Comprehensive knowledge of version control systems, particularly Git.<br>  - Experience writing automated tests (unit and integration).<br>  - Communication skills, with the ability to synchronize effectively within a team.<br>  - Proven experience working with scalable, high-performance systems.<br><br> <br>  AI / ML engineering<br> <br>  - Hands-on experience building LLM-powered applications — prompt design, tool/function calling,<br>  structured outputs, or RAG.<br>  - Understanding of how to make AI features reliable and evaluable — handling non-determinism, context<br>  limits, latency, and cost.<br>  - Familiarity with agent patterns and orchestrating multi-step AI workflows.<br> <br> <br>  Nice to have<br> <br>  - Knowledge and experience with cloud technologies (Azure, AWS, or GCP); infrastructure-as-code (Bicep,<br>  Terraform) a plus.<br>  - Experience with vector databases, embeddings, or retrieval pipelines.<br>  - Experience with model evaluation / observability tooling (e.g. tracing, prompt management, eval<br>  frameworks).<br>  - Understanding of cyber security essentials (auth, secrets management, least-privilege access).<br>  - Experience developing and maintaining microservices.<br>  - Frontend experience (e.g. React/TypeScript) for building AI-driven user interfaces."
    },
    {
      "name": "Our Benefits",
      "value": "<p style=\"margin:0px 0px 10.6667px;padding:0px;font-weight:normal;font-style:normal;background-color:transparent;text-align:left;\"><span style=\"margin:0px;padding:0px;font-size:14px;line-height:20.85px;font-family:Arial, Helvetica, sans-serif;\"><span style=\"margin:0px;padding:0px;\">We could tell you about the free breakfast, the drinks in the fridge, and the 30 vacation days. Or that flexible hours and remote work are part of the deal. But honestly? That’s just standard.</span> </span></p><p style=\"margin:0px 0px 10.6667px;padding:0px;font-weight:normal;font-style:normal;background-color:transparent;text-align:left;\"><span style=\"margin:0px;padding:0px;font-size:14px;line-height:20.85px;font-family:Arial, Helvetica, sans-serif;\"><span style=\"margin:0px;padding:0px;\">Here’s what makes working with us in Frankfurt extra special:</span> </span></p><div style=\"margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Segoe UI', 'Segoe UI Web', Arial, Verdana, sans-serif;font-size:12px;font-style:normal;font-weight:400;background-color:rgb(255,255,255);\"><ul style=\"list-style-type:disc;margin-left:0px;\"><li style=\"margin-left:24px;font-family:Arial, Helvetica, sans-serif;font-size:14px;\"><span style=\"margin:0px;padding:0px;line-height:20.85px;font-weight:bold;\"><span style=\"margin:0px;padding:0px;\">Work from (almost) anywhere</span></span><span style=\"margin:0px;padding:0px;line-height:20.85px;\"><span style=\"margin:0px;padding:0px;\">– Take your job with you on a workation and get inspired bynew places.</span></span></li><li style=\"margin-left:24px;font-family:Arial, Helvetica, sans-serif;font-size:14px;\"><span style=\"margin:0px;padding:0px;line-height:20.85px;font-weight:bold;\"><span style=\"margin:0px;padding:0px;\">Time for growth</span></span><span style=\"margin:0px;padding:0px;line-height:20.85px;\"><span style=\"margin:0px;padding:0px;\">–A career framework to support your professional and personal growth with up to 6 extra days off per year foryourdevelopment.</span></span></li><li style=\"margin-left:24px;font-family:Arial, Helvetica, sans-serif;font-size:14px;\"><span style=\"margin:0px;padding:0px;line-height:20.85px;font-weight:bold;\"><span style=\"margin:0px;padding:0px;\">Social Day</span></span><span style=\"margin:0px;padding:0px;line-height:20.85px;\"><span style=\"margin:0px;padding:0px;\">– One paid day per year to give back: volunteer, support a cause, or attend an environmental event.</span></span></li><li style=\"margin-left:24px;font-family:Arial, Helvetica, sans-serif;font-size:14px;\"><span style=\"margin:0px;padding:0px;line-height:20.85px;font-weight:bold;\"><span style=\"margin:0px;padding:0px;\">Bike leasing</span></span><span style=\"margin:0px;padding:0px;line-height:20.85px;\"><span style=\"margin:0px;padding:0px;\">– Stay fit and sustainable.We’llhandle the contract and insurance.</span></span></li><li style=\"margin-left:24px;font-family:Arial, Helvetica, sans-serif;font-size:14px;\"><span style=\"margin:0px;padding:0px;line-height:20.85px;font-weight:bold;\"><span style=\"margin:0px;padding:0px;\">Pick yourperk</span></span><span style=\"margin:0px;padding:0px;line-height:20.85px;\"><span style=\"margin:0px;padding:0px;\">– Choose the benefit that fits your life best: fitness membership, public transport pass, retirement plan, or a monthly bonus.</span></span></li><li style=\"margin-left:24px;font-family:Arial, Helvetica, sans-serif;font-size:14px;\"><span style=\"margin:0px;padding:0px;line-height:20.85px;font-weight:bold;\"><span style=\"margin:0px;padding:0px;\">Dog Friendly Office</span></span><span style=\"margin:0px;padding:0px;line-height:20.85px;\"><span style=\"margin:0px;padding:0px;\">-Bring your furry coworker along. Just make sure theydon'tsteal anyone’s lunch.</span></span></li></ul><p style=\"margin:0px 0px 10.6667px 24px;padding:0px;font-weight:normal;font-style:normal;background-color:transparent;text-align:left;\"><span style=\"margin:0px;padding:0px;font-size:14px;line-height:20.85px;font-family:Arial, Helvetica, sans-serif;\"><span style=\"margin:0px;padding:0px;\">Hybrid work is a natural part of how we operate, but we also believe in the power of coming together. That’s why we regularly connect in the office - whenever it makes sense. </span><br style=\"margin:0px;padding:0px;\"><span style=\"margin:0px;padding:0px;\">And that’s just the beginning. Ask us what else is waiting for you!</span> </span></p></div>"
    },
    {
      "name": "Your contact person",
      "value": "Send us your application <u><strong>IN ENGLISH</strong></u>, including your salary requirements and earliest possible starting date, directly through our online portal via the <strong>\"APPLY NOW\"</strong> button. If you have any questions, please do not hesitate to contact <strong>Diane Djongoue. </strong><br><br><em>We would like to know that MATRIX42 can only accept applications online via the applicant portal in connection with our applicant management system because of the currently valid EU data protection regulations.</em><br><h6><em><br></em></h6><div style=\"font-family:'Segoe UI';font-size:14px;font-style:normal;font-weight:400;line-height:20px;\"><em><span style=\"font-family:Arial, Helvetica, sans-serif;\">We are an equal opportunity employer. We welcome applications from all genders and do not discriminate on the basis of gender, gender identity, age, disability, ethnic origin, religion or belief, or sexual orientation.</span></em></div>"
    }
  ],
  "occupationCategory": "engineering",
  "recruitingCategory": "Permanent employee - Matrix42 standard process"
}