Remote Senior Python AI Developer @ ZEN.COM
2 weeks ago
Requirements: Minimum of 5 years of experience in Python development and a total of at least 8 years insoftware engineering Proficiency in building and deploying API or web applications in frameworks such as FastAPI, Flask, or Django Strong knowledge of Machine Learning libraries like TensorFlow and PyTorch, including integration with applications Experience with integrating with LLM services using tools such as langchain Experience with containerization tools like Docker Solid understanding of software architecture, microservices and general API designprinciples Experience with Cloud platforms (especially AWS) Excellent problem-solving skills and attention to detail Strong communication skills and ability to collaborate effectively within a team Fluent English is a must Nice to Have: Familiarity with MLOps practices Knowledge of DevOps principles, CI/CD pipelines and Kubernetes Knowledge of concepts related to LLMs (e.g., RAG, vector DBs, embeddings, promptengineering, multi-agent systems) We are working on an exciting new project, started less than a year ago, aiming to bring a unique product to the artificial intelligence landscape. Our team is passionate about creating innovative machine learning solutions that make a real impact. Our platform will enable users and businesses to make use of AI without deep technical knowledge while also enabling hardware owners to get paid for sharing computing power. Join us and be part of a dynamic environment where your ideas and expertise can shape the future of how users and companies utilize AI. What We Offer Competitive salary and benefits Flexible working hours. Opportunity to work with cutting-edge artificial intelligence technologies. A supportive and collaborative team environment. Career growth opportunities in a fast-growing project. ,[Develop and maintain microservices that expose APIs to Machine Learning models., Implement and optimize web services to ensure high performance and responsiveness., Integrate Machine Learning models into applications., Collaborate closely with team members to design scalable AI solutions., Troubleshoot and debug issues in applications and services.] Requirements: Python, API, Web applications, FastAPI, Flask, Django, Machine Learning, TensorFlow, PyTorch, Docker, Microservices, Cloud platform, AWS, Communication skills, MLOps, DevOps, CD pipelines, Kubernetes Additionally: Private healthcare, Motivizer, In-house trainings.
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Remote, Kraków, Czech Republic ZEN.COM Full timeTL;DR checklist: [ ] 4+ years working on e-commerce projects (marketplaces, logistics, shopping, etc.)[ ] Understanding of challenges around e-commerce processes[ ] Open to experimenting with AI[ ] Experience building large service-oriented systems and complex processes[ ] Fluent in Spring and Java/Kotlin[ ] Experience designing and consuming REST...
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Remote Senior Web Data Acquisition Engineer
2 weeks ago
Remote, Rzeszów, Warszawa, Czech Republic ZEN.COM Full timeExpertise in Python or Java/Kotlin; comfort across HTTP, browser runtimes, and modern web protocols. Deep understanding of headless execution, DOM/JS, and network behavior; experience with browser automation frameworks is a plus. Practical experience handling rate limits/challenges and building systems that degrade gracefully. Solid grounding in data...
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Remote, Kraków, Rzeszów, Czech Republic ZEN.COM Full timeAt least 4–5 years of experience in programming. Good knowledge of Node.js. Understanding of Node.js internals. Deep knowledge of JavaScript, ES5+, TypeScript. Very good understanding of web protocols like HTTP, JSON-RPC, REST. Knowledge of architecture design patterns. Experience in GIT version control system. Experience in engineering...
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Remote, Kraków, Czech Republic ZEN.COM Full timeExperience: 5+ years with Java and Spring. In-depth knowledge of OOP paradigms, design patterns, and software development practices. Proficiency in using DDD, EventSourcing, CQRS, Reactive Programming. Technical Skills: Java 17+ or Kotlin, Spring Boot 3.x for writing microservices. Understanding of data persistence using MsSQL, Redis, MongoDB, and...
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Senior System Analyst
3 days ago
Remote, Kraków, Czech Republic ZEN.COM Full timeExperience At least 5 years of experience in system analysis or a similar role Previous experience in the financial domain – a strong advantage Technical Skills Familiarity with programming concepts Experience with Microservices and API integration is must have Strong skills in system design, business process modeling Ability to create and...
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Remote Lead Software Engineer @ ZEN.COM
7 days ago
Remote, Kraków, Rzeszów, Czech Republic ZEN.COM Full timeProven leadership skills and experience in managing a development team Strong communication skills and the ability to collaborate with cross-functional teams 7+ years of experience with Java and Spring Vast knowledge of OOP paradigms, design patterns, and other software development practices Enthusiastic about learning and sharing knowledge about new...
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Senior QA Automation Engineer
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Remote, Kraków, Czech Republic ZEN.COM Full time5 years of work experience in software testing Solid experience in test automation Good knowledge of Java Knowledge about test automation tools, especially RestAssured, Mockserver Good knowledge about test automation of REST API Attention to detail, problem-solving Strong analytical skills Quality and client-focus attitude Technologies you will worki with:...
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Senior Python Developer @ OnTheGoSystems
3 days ago
Remote, Czech Republic OnTheGoSystems Full timeYou are an experienced developer with strong Python skills. Believe in writing tests and clean, reliable code. Open to using AI in your daily work. We’re looking for a developer who prefers solving open problems over following strict specs, and who enjoys shipping meaningful work fast. Become part of OTGS and work with senior engineers, influencing...
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Senior Machine Learning Engineer @ ENTRADA AI
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Remote, Czech Republic ENTRADA AI Full timeQualifications Bachelor’s or Master’s degree in Computer Science, Data Science, Mathematics, or a related field; PhD is a plus. 5+ years of experience in machine learning engineering or related fields. 3+ years of experience with Databricks Proficiency in programming languages such as Python, R, or Java, with a strong understanding of machine...
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Senior Python Backend Principal
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Remote, Czech Republic Antal Full timeExpert-level Python skills and 2+ years of production PySpark experience. 1+ years of hands-on architecture experience on Databricks, with deep expertise in Unity Catalog and Hive metastore. 3+ years of technical leadership experience driving engineering strategy and delivery. Proven experience leading enterprise-scale data platform migrations. Strong...