Hire the best Apache Kafka Developers in Krakow, PL

Check out Apache Kafka Developers in Krakow, PL with the skills you need for your next job.
  • $40 hourly
    Greetings! I am Yigit and I am a full-stack developer with a love of programming and a passion for building websites/web apps. What sets me apart from other developers is my ability to collaborate with my clients to understand their unique needs and deliver web apps/websites that are fully functional and visually appealing/user-friendly. I specialize in creating complex websites and web applications using modern technology stacks like React, Vue, Angular, Node, Django, Shopify and Laravel. Whether you need a new web application built from scratch or an existing one updated, I am confident that I have the skills and expertise to deliver outstanding results. Let's manage your projects together!
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    PostgreSQL
    Vue.js
    Node.js
    Web Development
    HTML
    Angular
    CSS
    Spring Boot
    Laravel
    JavaScript
    Django
    React
    MySQL
    Java
  • $40 hourly
    I have many years of experience in web applications development. Development stack: Java, JavaScript, TypeScript, SQL Experienced in java backend, frontend, web development, layout, dashboards, charts, maps, REST, forms, user management systems, complex data visualization, database, state management and much more. I took part in different projects for finance and analytics sector with full development cycle - customer specific portals for managing business processes, data visualization tools for risk analysis, complex user and content management systems. My primary skills: - Java, JavaScript, Typescript - Spring, Guice, Hibernate, Google Web Toolkit - Angular, RxJs, NgRx, D3.js, jQuery - HTML, CSS, SVG - SQL It is important for me to build long-term relationships with clients. I am ready to discuss requirements and communicate with your team.
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    Couchbase Server
    Azure DevOps
    Docker
    Kubernetes
    HTML
    Angular
    Hibernate
    JavaScript
    TypeScript
    CSS
    D3.js
    Java
    Spring Framework
    SQL
  • $120 hourly
    🥇Expert-vetted (top 1%) Upwork freelancer. 💡Top AI voice in LI. 👔 10+ years of experience on executive tech positions. ⭐️⭐️⭐️⭐️⭐️ "Ivan seamlessly navigated the complexities of the non-deterministic nature of OpenAI/LLMs. Highly recommend! Ivan - Exceptional work on our POC. Thank you." ----------------------- Hello! I'm all about technology and the magic it brings to our lives. . There's something truly special about building things from scratch and watching them take off. With a solid foundation in tech, I have a particular interest in the final product — its user experience, design, and the customer's journey. Collaborating with product and business teams is something I thoroughly enjoy, as it brings together different perspectives for a common goal. My area of expertise lies in Artificial Intelligence, Machine Learning, and Natural Language Processing. Here are some of the services I commonly offer: - Strategic AI audits and guidance - Elevating existing products with AI enhancements - Designing and developing new AI-centric solutions - PoC/MVP for AI projects I've had the privilege of working with over 50 companies, including notable names like UBS, Yahoo, STC, and Hitachi. This experience has allowed me to contribute significantly to the growth and transformation of various products. Interested in exploring how AI can revolutionize your product? I'd love to chat about your vision and how we can bring it to life. Feel free to reach out, and let's start a conversation about your next big step in innovation. ----------------------- Some of my AI and ML skills include: ✅ Data Science and Machine Learning expertise including Deep Learning, Natural Language Processing, and Computer Vision using TensorFlow, PyTorch, Keras, scikit-learn, Numba, etc. ✅ API Development and Integration, including external API integration like OpenAI API. ✅ Expertise in Reinforcement Learning and its applications in complex environments using libraries like OpenAI Gym, Stable Baselines, and RLlib. ✅ Advanced skills in data preprocessing, feature engineering, and dimensionality reduction techniques for machine learning models. ✅ Proficiency in time-series analysis and forecasting using ARIMA, LSTM, and Prophet for predicting future trends. ✅ Development of chatbots and virtual assistants using platforms like Dialogflow, Rasa, and Microsoft Bot Framework. ✅ Experience with Generative Adversarial Networks (GANs) for creative applications such as art generation, style transfer, and data augmentation. ✅ Implementation of recommendation systems using collaborative filtering, content-based, and hybrid approaches. ✅ Proficient in big data analytics using Apache Spark, Hadoop, and related ecosystems for handling large-scale data processing. ✅ Knowledge of edge computing and deploying AI models on edge devices using TensorFlow Lite, PyTorch Mobile, and ONNX. ✅ Expertise in computer vision tasks like object detection, image segmentation, and facial recognition using OpenCV and Dlib. ✅ Strong background in mathematics and statistics, essential for algorithm development and model optimization. ✅ Experience with cloud platforms like AWS, Google Cloud, and Azure for deploying and scaling machine learning models. ✅ Capable of conducting AI-driven research and development, staying at the forefront of emerging technologies and methodologies. ✅ Ability to communicate complex AI/ML concepts to non-technical stakeholders and collaborate effectively with interdisciplinary teams. P.S. Curious about the future of AI in your industry? Drop me a message, and I'll share my insights and predictions!
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    RESTful Architecture
    RESTful API
    NGINX
    Web Application
    Database Architecture
    API Integration
    Elasticsearch
    Hibernate
    Spring Framework
    Java
    Docker
    Microservice
    Kubernetes
    Architectural Design
  • $40 hourly
    I'm a Senior Software Developer with over 20 years of experience in Java. Most of the time I worked as an external freelancer in financial projects. Skills and tools: Java, Spring, Spring Boot, Spring MVC, Spring Web, RESTful API, Spring Data JPA, Spring Batch, Kafka, Redis, Aerospike, Hazelcast IMDG, JUnit, GitHub. Examples of services I can deliver: + Implement a microservice with N endpoints, N entities, Spring Security configuration and JUnit test coverage delivered as a Maven project on GitHub + Code review of your existing software repository + Bug fixing and modification of your existing software repository + Consultancy, software architecture proposal I'm based in Krakow, Poland. Please note: I'm offering my services as a freelancer working part-time. I'm NOT interested in full-time employment offers.
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    Git
    Aerospike
    Redis
    Database
    Microservice
    Spring Boot
    Java
  • $28 hourly
    I’m a developer experienced in building and support REST applications for big and medium-sized businesses Knows Java, Python, SQL, MongoDB, REST, Spring, Kafka Full project management from start to finish Regular communication is important to me, so let’s keep in touch.
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    Python Script
    Amazon Web Services
    SQL
    Java
    MongoDB
  • $12 hourly
    Engineer in E-Commerce realm for 13 years and 4-year insurance domain. I'm passionate in technical engineering and learning, like to support team members in various aspirations, has peaceful character that helps me in retaining relationships with different kind of people.
    vsuc_fltilesrefresh_TrophyIcon Apache Kafka
    REST API
    Apache Tomcat
    Apache Camel
    Spring Integration
    Spring Framework
    Spring Boot
    JavaScript
    React
    RxJava
    Java
    Apache Cassandra
    Apache Solr
    MySQL
    PostgreSQL
  • $40 hourly
    In short: 💎 Java Master (JDK 21): Advanced and practical knowledge of common frameworks such as Spring and Hibernate. Open to learning new, relevant technologies. 💎 REST API Design & Implementation Expert: Skilled in developing robust API integrations. 💎 Cloud Solutions Enthusiast: Focused primarily on AWS implementations and solutions. 💎 Database Proficiency: Experienced with both relational and non-relational databases, specializing in PostgreSQL. 💎 Testing Proficiency: Proficient in unit, integration, and end-to-end (E2E) code testing. 💎 CI/CD Practitioner: Experienced in Continuous Integration/Continuous Deployment methodologies. 💎 Version Control Practitioner: Daily usage and proficiency in Git. 🤝 Exceptional Communication Skills: Adept at conveying complex technical concepts clearly and effectively. 🤝 Team Player: Collaborative and cooperative, consistently contributing positively to team efforts. 🤝 Can-Do Attitude: Proactive and solution-oriented in all professional endeavours. 🤝 Problem-Solving Skills: Excellent at diagnosing issues and implementing effective solutions. My story: Software engineer focused on JVM programming with over five years of commercial experience, which I acquired after completing my master's degree in Computer Science at the AGH University of Science and Technology in Cracow. In my role of a developer, in addition to continuously improving technical expertise, I highly value broadly understood soft skills. I enjoy closely collaborating with both business teams and clients. I willingly take on the responsibility for managing projects and overseeing various initiatives in the workplace. I appreciate knowledge sharing - for over two years, I have been regularly mentoring junior engineers and also being mentored by seasoned engineering managers to prepare myself for future leadership roles. I also enjoy public speaking. In 2023, I have been a speaker at conferences such as 4 Developers, GeeCON, Google I/0 Extended, Ya!va Conf, as well as smaller events aimed at students from universities in Cracow and Warsaw.
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    REST API
    Mockito
    JUnit
    Git
    Apache Maven
    Docker
    Terraform
    Hibernate
    Jenkins
    AWS Development
    PostgreSQL
    Vaadin
    Spring Boot
    Java
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