Backend Developer (Python)
Persohap GmbH
Persohap builds AI-powered coaching and interview experiences. We're a small, fast-moving team shipping products that put AI in front of real users.
Tasks
Design, build, and maintain backend services and REST APIs. Model data and work with relational databases. Integrate third-party services and AI providers. Take part in code reviews and help keep the backend fast, reliable, and secure.
Requirements
Solid experience building production backend services. Strong in Python (or a similar backend language). Comfortable with SQL, REST APIs, Git, and Docker. A pragmatic problem-solver with a strong ownership mindset.
Benefits
High-ownership role with real impact on the platform, a modern stack, and the freedom to ship.
Skills: PYTHON, DOCKER, MICROSERVICES, AWS, FASTAPI
Apply now — we review every application and move fast.
- ...Als (Senior) Backend Developer im Product Creation & Assignment Team hilfst du uns dabei, die Systeme hinter der automatisierten Erweiterung... ...: Java, Kotlin, Spring Boot, Kafka, MongoDB und EKS sowie Python-basierte Pipelines mit MWAA, Lambda, Step Functions,...Python
- ...Jahre Erfahrung in Software Engineering (davon idealerweise AI/LLM Umfeld) ~ Du denkst in Systemen, nicht in Features ~ Sehr starke Python Skills (Django oder vergleichbar) ~ Erfahrung mit: LLM APIs (OpenAI, Claude etc.), AI-Systemdesign (nicht nur Nutzung) ~...PythonVollzeitWorkationHomeofficeFlexible Arbeitszeiten
- ...As a (Senior) Backend Developer in our Product Creation & Assignment Team, you will help us build the systems behind the automated expansion... ...Java, Kotlin, Spring Boot, Kafka, MongoDB and EKS, as well as Python-based pipelines using MWAA, Lambda, Step Functions, DynamoDB,...Python
- ...Dann komm zu uns als Full Stack Web Developer mit Architekturverantwortung (m/w/d) Deine... ...sowohl im Frontend (React) als auch im Backend (insbesondere Drupal). Du analysierst unsere... ...KI-Suche auf RAG-Basis: Du pflegst die Python-Infrastruktur (FastAPI), bindest externe...PythonVollzeit
- ...Senior Backend Engineer — Trading & Asset Optimization Why Now European energy costs run 2× those in the US and China. Electricity... ...they behave, and improving them over time. Our backend is Python-based: we run on AWS with Terraform, and build with FastAPI,...Python
40 - 50 $ pro Stunde
...Responsibilities Build MCP servers in Python using FastMCP . Integrate web or... ...skills. Experience with APIs , backend systems, and debugging. Familiarity... ...integrating third-party apps or developer tools. Familiarity with web apps, databases...PythonHomeoffice- ...entwickelst unsere Plattform eigenverantwortlich weiter – vom Backend über APIs bis hin zum Deployment. Du konzipierst und implementierst... ...sind von Vorteil. Nice to have Erfahrung mit Python oder FastAPI Erfahrung mit KI-/LLM-Integrationen Kenntnisse...PythonFreelanceHomeofficeFlexible Arbeitszeiten
- ...pipelines, model orchestration, queue management, and the infrastructure that keeps it all running at scale. Design and build backend services in Python that orchestrate multiple AI providers (we work with fal, BytePlus, OpenRouter, AWS and others) and gracefully handle...Python
- .... About the role: As a Senior Backend Engineer, you will work on a marketplace... ...STACK: TypeScript, Node.js, React, Python, FastAPI, Kubernetes, MongoDB, Azure, Kafka... ...code in Typescript ~ Experience with developing and maintaining highly scalable and...PythonVollzeit
- ...About the role: As a Senior full-stack engineer, with a backend focus, you will be at the forefront of shaping the future of customer... .... Proficient in backend programming languages such as Python , Go . Experience with RESTful API design and development...PythonHomeofficeVon zu Hause
€ 109.709 - € 131.651
...defining opportunity. Staff Backend Engineer, Alerting This is... ...if you have familiarity with Python, Java, C++, Rust or similar... ...way Some experience with developing software that runs in the Cloud... ...opportunities to grow and develop your career. ~ Approachable...PythonHomeoffice- ...development team as a Senior Software Engineer (Backend) in the Billing team in Berlin (m/f/d).... ...to the energy transition: You design and develop software solutions that enable our... ...develop robust and scalable solutions using Python and Django, working on data modeling,...PythonVon zu Hause
- ...cybersecurity startup in Berlin is looking for a Backend Engineer(Go) to join as a founding team... ...AI agents. Key Responsibilities Develop and maintain backend applications using... ...Docker Automate processes using Bash/Python scripting Optimize and maintain...Python
- ...Datenverarbeitung & Signalanalyse: Du entwickelst und pflegst Backend-Systeme, die rohe Messdaten aus unseren CMI-Inspektionen aufnehmen... ...Bereich â oder vergleichbare praktische Erfahrung Solide Python-Kenntnisse und Freude daran, damit echte Probleme zu lösen...PythonUnbefristete ArbeitVon zu HauseFlexible Arbeitszeiten
- ...to make an impact. We’re looking for an experienced Senior Backend Engineer (m/f/d) to be a technical anchor across the team at our... ...engineering culture. Tech Stack: Java 21 (Spring Boot 3), Python, LangGraph, LLM APIs (OpenAI, Anthropic, Gemini), PostgreSQL, Kinesis...Python
- ...Your tasks Your Role As a Senior Backend Engineer, you will design and build core... .... Solve complex technical challenges Develop robust solutions involving data modeling,... ...backend development experience ~ Strong Python and Django expertise ~ Experience designing...PythonVollzeitHybrides Arbeitsmodell
- ...performance. Skills & Requirements ~ Strong experience in backend development with Java (Spring Boot) or Kotlin ; experience... ...structured and semi-structured data. ~ Experience with Python or data engineering tools is a plus. Nice-to-have: Experience...Python
- ...customers. You will be responsible for developing scalable, robust backend services that enable seamless... ...project execution Continuously improve developer satisfaction by avoiding/reducing... ...(ideally Terraform) Experience Python in the context of Data Engineering or...PythonVollzeit
10 $ pro Stunde
...bring this vision to life. As a Senior Backend Engineer , you will play a pivotal role... ...board. What you'll be driving Design & Develop : Build and maintain scalable Golang-... ...services and APIs, preferably in Golang (Python is also highly relevant). Cloud & Distributed...PythonHomeoffice- ...entrepreneurs worldwide. Our mission is to develop an all-in-one financial B2B solution that... ...business. We're looking for a Senior Backend Engineer who thinks like a product... ...React (Web), Swift (iOS) / Kotlin (Android), Python/ML frameworks, and modern test automation...PythonHomeoffice
€ 97.034 - € 116.441
...defining opportunity. Senior Backend Engineer, Alerting This is... ...if you have familiarity with Python, Java, C++, Rust or similar... ...way Some experience with developing software that runs in the Cloud... ...opportunities to grow and develop your career. ~ Approachable...PythonHomeoffice- ...Deine Aufgaben You will develop our AWS back-end architecture, You will implement efficient Lambdas using various frameworks,... ...solltest Min. 5 years of experience in back-end development with Python, Extensive experience in TypeScript / JavaScript, Boto3 or...PythonUnbefristete ArbeitHybrides ArbeitsmodellHomeoffice
- ...operating system for small businesses, and the backend infrastructure powering that shift needs... ...role, you will design, architect, and develop infrastructure and systems that enables... ...related is a plus) ~ Advanced proficiency in Python, with hands-on experience building and...Python
- ...impact. We’re looking for an experienced Backend Engineer (m/f/d) to work on the backend... ...across all financial operations Develop and maintain integrations with payment gateways... ...Tech Stack: Java 21 (Spring Boot 3), Python, PostgreSQL, Kinesis, AWS, Terraform, GitHub...Python
- ...wir dich und deine Expertise als Senior Backend-Entwickler:in (d/m/w). Du arbeitest bei... ...Reviews durch und gibst dein Wissen in Developer-Meetings weiter Das bringst du mit... ...in der Backend-Entwicklung mittels PHP, Python oder Java. Du hast gute Kenntnisse im...PythonUnbefristete ArbeitHomeofficeFlexible Arbeitszeiten
- ...mit Erfahrung in der Entwicklung moderner Softwarelösungen im Backend- und Frontend-Bereich. Der Fokus liegt auf der Entwicklung von... ...Technische Kenntnisse (wünschenswert) Programmiersprachen wie: Python JavaScript, TypeScript C#, .NET HTML, CSS...PythonVollzeitWeiterbildungFlexible Arbeitszeiten
- ...Join us as a Senior Backend Engineer ( all genders) - Vehicle Foundation in our Vehicle... ...teams in our Vehicle Integration domain develop the applications and tools needed to enable... ...touching other languages such as Typescript, Python. Experience with AWS IoT and...PythonPraktikumsplatzStudentenjobHybrides ArbeitsmodellHomeofficeVon zu Hause
- ...impact. We’re looking for an experienced Backend Engineer (m/f/d) to help shape the... ...LSP integrations and real-time tracking Develop event-driven pipelines that process high-... ...Tech Stack: Java 21 (Spring Boot 3), Python, PostgreSQL, Kinesis, AWS, Terraform, GitHub...Python
- ...team consists of specialists in frontend, backend, QA, product, and visual design. We work... ...~6+ years of experience as a Backend Developer building enterprise-grade web applications... ...languages (e.g., Node.js, Java, C#, Python). ~ Basic working familiarity with Go...PythonPromotionHomeoffice
- Stellenbeschreibung Als Search Backend Engineer entwickeln und betreiben Sie leistungsstarke Suchsysteme, die Millionen von... ...Services und API-Entwicklung mit Programmiersprachen wie bspw. Python, JAVA oder C# Suchtechnologien wie bspw. Elasticsearch oder...Python2 Tage/WocheUnbefristete ArbeitVollzeitWeiterbildungHomeofficeVon zu Hause
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