Freelancers for hire in Poland
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Sponsored Freelancers
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Welcome to my profile! As a reliable and trustworthy freelancer, I'm here to help you achieve your data-related goals. Whether you need to visualize data with Power BI, manipulate and transform data with Power Query and M language, or perform advanced calculations with DAX, I have the skills and experience to get the...Welcome to my profile! As a reliable and trustworthy freelancer, I'm here to help you achieve your data-related goals. Whether you need to visualize data with Power BI, manipulate and transform data with Power Query and M language, or perform advanced calculations with DAX, I have the skills and experience to get the job done. But that's not all. I'm also skilled in data warehousing, ETL, and SQL, so I can help with data engineering, analytics, and reporting tasks. And if you need to automate tasks or build machine learning models, I'm proficient in Python too. Plus, I have extensive experience with MS Excel, Access, and VBA, so I can help you get the most out of these powerful tools. To top it off, I'm familiar with Git, GitHub, and Bitbucket, and am proficient in Bash and PowerShell, so I can assist with version control and command-line tasks. So why wait? If you're in need of a reliable and skilled freelancer, just click the "hire me" button and let's get started! I'm confident that you'll be satisfied with the high-quality work I deliver. After all, I love what I do and always strive to produce great results for my clients. less
Hire AndreiBird
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1. End to end Qlik application development -- ETL development: ------ data extraction (SAP tables, SAP extractors, MS SQL databases, REST APIs, MS Excel spreadsheets, text files) ------ data transformation (filters, joins, aggregations, cleaning) ------ data loading and modelling (dimensional star schema, slowly...1. End to end Qlik application development -- ETL development: ------ data extraction (SAP tables, SAP extractors, MS SQL databases, REST APIs, MS Excel spreadsheets, text files) ------ data transformation (filters, joins, aggregations, cleaning) ------ data loading and modelling (dimensional star schema, slowly changing dimensions) -- securing application with Section Access -- reports development -- dashboard design -- load script performance tuning 2. Automation with Qlik APIs and Node.js (QlikView Management Service API, NPrinting API, Qlik Engine API) 3. Custom analytical and reporting tools development (JavaScript, HTML, Node.js, Qlik Core) 4. NPrinting reports devlopment less
Hire michalszulborski
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Qualified Python Backend Developer with more than 5 years of commercial experience. Willing to write effective, scalable and reusable code. I have in-depth knowledge of Python, and experience and interest in DevOps. Goal- oriented person with a great desire to learn new things and achieve new results. • Back-end:...Qualified Python Backend Developer with more than 5 years of commercial experience. Willing to write effective, scalable and reusable code. I have in-depth knowledge of Python, and experience and interest in DevOps. Goal- oriented person with a great desire to learn new things and achieve new results. • Back-end: Python, Django, Django REST Framework, FastAPI, Flask, SQLAlchemy, Celery, RQ • Databases: PostgreSQL, MySQL, SQLite, Redis, Clickhouse, Firestore, AWS RDS • Tests: pytest, unittest • CI/CD: Bitbucket CI, GitLab CI, Docker, Docker-Compose • Clouds: AWS (EC2, S3, Lambda, RDS, SQS, ECR, ECS), GC (Firebase), DigitalOcean • Integrations: Payments providers, Push/Email providers, cloud services, etc. • Automations: Ansible, Fabric • Project management: Jira, Confluence, ClickUp • Other: Linux, Nginx, Gunicorn, Swagger, protobuf, gRPC less
Hire moonmvm
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Greetings, I'm Gleb, thrilled to join this community! With a solid background in commerce, I aspire to elevate my freelance career. Primarily a fintech Java/Kotlin developer specializing in the Spring framework, I've honed my skills to optimize performance. In a notable project, I boosted transaction throughput from...Greetings, I'm Gleb, thrilled to join this community! With a solid background in commerce, I aspire to elevate my freelance career. Primarily a fintech Java/Kotlin developer specializing in the Spring framework, I've honed my skills to optimize performance. In a notable project, I boosted transaction throughput from 10 to 60 transactions per second, showcasing my prowess in enhancing system efficiency. Moreover, my proficiency extends to CRM systems like Salesforce, where I've excelled both as a developer and administrator. less
Hire GlebYasenev
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I am very experienced Java/Groovy Developer with solid Unix Administration background (including distributed/cloud/virtualized solutions). Currently I provide services of near-realtime Web Scraping in order to ensure low-latency and secure data acquisition.I am very experienced Java/Groovy Developer with solid Unix Administration background (including distributed/cloud/virtualized solutions). Currently I provide services of near-realtime Web Scraping in order to ensure low-latency and secure data acquisition. less
Hire adamcito
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I am a programming enthusiast who passionately engages in script and program development as a hobby. I channel my skills primarily towards automating daily office tasks, finding it to be an exciting challenge. **What I Offer:** - *Office Automation:* I create scripts that automate routine office work, enabling...I am a programming enthusiast who passionately engages in script and program development as a hobby. I channel my skills primarily towards automating daily office tasks, finding it to be an exciting challenge. **What I Offer:** - *Office Automation:* I create scripts that automate routine office work, enabling efficient time and resource management. - *Web Scraping:* I have experience designing programs for data extraction from websites, allowing for quick and effective information gathering. - *API Integrations:* Projects based on external APIs are my specialty. I develop programs that seamlessly interact with various programming interfaces, extending application functionality. **Why Choose Me:** - *Passion:* Programming is not just a job for me; it's a passion that motivates me to continually learn and seek innovative solutions. - *Precision:* I pay special attention to details, ensuring high-quality code and program functionality. - *Reliability:* Timeliness and reliability are my priorities, guaranteeing a professional approach to every project. If you are looking for an experienced programmer ready to take on new challenges related to automation and programming, I am eager to collaborate. Contact me to discuss the details of your project and find the best solution. less
Hire palczowski
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We're group of people working for an international IT corporation as DevOps engineers. In our group experience reaches as high as 20 years working on production solutions. If you want to know more about our scope, please send an email to dev@ops.contact Consulting for us is very important. We get to know the...We're group of people working for an international IT corporation as DevOps engineers. In our group experience reaches as high as 20 years working on production solutions. If you want to know more about our scope, please send an email to dev@ops.contact Consulting for us is very important. We get to know the client's requirements and adapt to them by finding compromises. Each of us have experience and knowledge about different technologies, which helps us make big projects a reality. People in our group are certified by many well-known companies like RedHat or Cisco. We're always adapting to demands of a client. If you want to know more about our scope, please send an email to dev@ops.contact less
Hire Devops021
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My name is Krzysztof, master of mathematics. If you need certainty in the implementation of the order deadlines and quality, then I can help you. I'm an experienced Virtual Assistant, I'm working as a VA almost 5 years, always with good opinion and further cooperation. My qualities: - fast learning - extremely...My name is Krzysztof, master of mathematics. If you need certainty in the implementation of the order deadlines and quality, then I can help you. I'm an experienced Virtual Assistant, I'm working as a VA almost 5 years, always with good opinion and further cooperation. My qualities: - fast learning - extremely accurate - always available contact - fast typing - mathematician knowledge - responsible - I keep my deadlines less
Hire euzebio27PL
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• Backend developer with a solid background in different technologies and platforms • Experienced in multi-tech projects with distributed teams • Quickly and easily switch between projects Hands-on experience in platforms, frameworks and technology domains: • Agile: SCRUM; • Cloud: private clouds • Containers and...• Backend developer with a solid background in different technologies and platforms • Experienced in multi-tech projects with distributed teams • Quickly and easily switch between projects Hands-on experience in platforms, frameworks and technology domains: • Agile: SCRUM; • Cloud: private clouds • Containers and Orchestration: Docker, Kubernetes • Integration Solution: Apache Kafka • REST API: design, implementation, testing • GraphQL: testing • NoSQL: MongoDB • SQL: PostgreSQL, MySQL • Java + Spring Framework • Python: scripting + test • DevOps: Jenkins, Artifactory, Keycloak, git less
Hire arturqaa
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As a freelance programmer, I specialize in creating advanced software in languages such as Delphi, SQL, C, C++ and Arduino. My work focuses on developing applications for Windows and Ubuntu, with a deep understanding of the integration needs of microprocessor systems. My programming skills allow me to create complex...As a freelance programmer, I specialize in creating advanced software in languages such as Delphi, SQL, C, C++ and Arduino. My work focuses on developing applications for Windows and Ubuntu, with a deep understanding of the integration needs of microprocessor systems. My programming skills allow me to create complex solutions that work with PCs, offering clients effective and personalized systems. I have experience in using interfaces and communication systems between hardware and software, which allows me to create reliable and intuitive applications. I am able to adapt to specific design requirements, which is crucial in freelance work. My work is not limited to programming; also includes the design and implementation of PCBs. This ability to combine electronics with programming gives me a unique advantage in creating complex systems. less
Hire LadyBitPL
