Hire the best SQL Consultants in Poznan, PL

Check out SQL Consultants in Poznan, PL with the skills you need for your next job.
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based on 104 client reviews
  • $40 hourly
    ☁️🌐 FULL-STACK SOFTWARE ENGINEER | AWS | JavaScript | TypeScript | React | NodeJS | .Net 🌐☁️ I'm a Full-Stack Software Engineer passionate about creating scalable and performant back-ends with beautiful and fluent front-ends. With a Master of Engineering degree, you can be sure my exceptional analytical and problem-solving mindset will bring extra value to your projects. 👉 I'll be a perfect candidate for your next project. Here's why: ✅ Expert in .NET, C#, Entity Framework and ASP.NET ✅ Highly proficient in TypeScript, JavaScript, Node.js, React ✅ Proficient in AWS based software development ✅ Proficient in Android Kotlin app development ✅ Familiar with various SQL databases ✅ Familiarity with OpenTelemetry and telemetry concepts ✅ Detail-oriented and committed to delivering high-quality work ✅ Keeping clients up-to-date with any changes so everyone is aware of what's being done at any given moment 🎓 EDUCATION 🔸I hold a Bachelor of Engineering Degree in Computer Sciences 🔸I hold a Master of Engineering Degree in Computer Sciences with spieciality in Intelligent Internet Technologies (AI in context of internet. technologies) I'm your ideal candidate if you're looking for a passionate Full-Stack Software Engineer with a unique blend of skills. Let's create something extraordinary together!
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    AWS Development
    Amazon Web Services
    Android App Development
    Selenium
    .NET Core
    Node.js
    JavaScript
    Java
    Python
    ASP.NET Core
    Kotlin
    C#
    TypeScript
    React
  • $65 hourly
    I'm a programmer. I'm best and most efficient in Python and backend. Still, I also do full stack programming, SQL, shell-scripting, etc... I have participated in viariety of different projects and I can easily cope with many different IT problems. In spare time I make IoT hobby projects, write games for my kids and train my dog (also using my IoT projects).
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    Celery
    Kivy
    Unit Testing
    AngularJS
    Vue.js
    Docker
    Django
    Python
    Flask
  • $80 hourly
    ✅ AWS Certified Solutions Architect ✅ Google Cloud Certified Professional Data Engineer ✅ SnowPro Core Certified Individual ✅ Upwork Certified Top Rated Professional Plus ✅ The author of Python package for cryptocurrency market Currency.com (python-currencycom) Specializing in Business Intelligence Development, ETL Development, and API Development with Python, Apache Spark, SQL, Airflow, Snowflake, Amazon Redshift, GCP, and AWS. Accomplished lots of complicated and not very projects like: ✪ Highly scalable distributed applications for real-time analytics ✪ Designing data Warehouse and developing ETL Pipelines for multiple mobile apps ✪ Cost optimization for existing cloud infrastructure But the main point: I have a responsibility for the final result.
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    Data Scraping
    Snowflake
    ETL
    BigQuery
    Amazon Redshift
    Big Data
    Data Engineering
    Cloud Architecture
    Google Cloud Platform
    ETL Pipeline
    Python
    Amazon Web Services
    Apache Airflow
    Apache Spark
  • $25 hourly
    On daily basis I am engaged in backend development for websites and web applications. I am fluent C#, ASP.NET MVC, ASP.NET Core technologies. I know SQL. If necessary, I can work with frontend (HTML5, CSS, jQuery, JS, Ajax). I prefer developing web applications in .NET MVC C #, but I am open to learning and using new technologies.
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    Xamarin
    .NET Framework
    ASP.NET
    Web Application
    jQuery
    PHP
    JavaScript
    C#
    HTML5
    ASP.NET MVC
    ASP.NET Core
    CSS
  • $60 hourly
    Experienced backend Java developer with over a decade of expertise in developing and maintaining high-quality software solutions. My career includes roles at Accenture, Credit Suisse and GFT Group. Based in Poland, I have also worked in London with Luxoft and Unibet, a leading company in the gambling industry. Top-rated Upwork freelancer, ranked in the top 5% of performers with a 100% Job Success Score. Proficient in Java, Spring Boot, REST APIs, and cloud technologies (AWS). Adept at working with distributed international teams, emphasizing clean code practices and delivering challenging projects. Programming Languages: Java, JavaScript, Scala APIs & Integrations: RESTful APIs, GraphQL, WebSocket, RabbitMQ, JMS, Kafka Cloud & DevOps: AWS (Cloudformation), Docker, CI/CD (Jenkins, GitHub Actions) Frameworks & Tools: Spring Framework, Spring Boot, Hibernate, JPA Version Control: Git, GitLab, Bitbucket Databases: MySQL, PostgreSQL, MongoDB, Redis Testing: JUnit, Mockito, Cucumber, TDD Others: Observability, Keycloak, Angular, Maven, Bash
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    CI/CD
    Amazon Web Services
    Spring MVC
    Java Persistence API
    Hibernate
    API
    Spring Boot
    RESTful API
    Docker
    Web Application
    AngularJS
    Java
    MySQL
    Spring Framework
  • $50 hourly
    Pavlo is a results-driven software engineer with a passion for understanding, innovating, and fostering improvements. With deep expertise in JavaScript, TypeScript, PHP, Vue, React, Node.js, Laravel, and MySQL, he specializes in building scalable, high-performance web applications using modern technology stacks like Laravel and Vue. Throughout his career, Pavlo has successfully delivered complex and diverse projects across gambling & gaming, travel & hospitality, blockchain, and social media industries. His approach goes beyond coding—he sees programming as a way to teach machines to serve humans better, always prioritizing user experience and long-term value creation. Pavlo thrives in both frontend and backend development, seamlessly bridging UI/UX elegance with backend efficiency. He is experienced in building secure, maintainable, and high-performing applications using methodologies like OOP, MVC, ORM, RESTful APIs, microservices, and TDD. Technical Expertise ✅ Backend: PHP (Laravel, Symfony, CodeIgniter), Node.js (Express) ✅ Frontend: JavaScript, TypeScript, Vue (Nuxt), React (Next), Webpack ✅ Databases: MySQL, PostgreSQL, MongoDB, ElasticSearch ✅ UI & Styling: Tailwind CSS, Bootstrap, Bulma, UIkit, HTML5 Canvas ✅ DevOps & Cloud: Docker, Nginx, AWS (Lambda, CloudFront, S3), Linux, CI/CD ✅ Security & Performance: Auth0, SSL/HTTPS, MySQL query optimization, PageSpeed Insights ✅ API Integrations: Stripe, Mollie, Facebook, Google, Instagram, Twilio, OpenAI ChatGPT, DeepSeek With a calm demeanor, strong analytical skills, and a focus on delivering impactful solutions, Pavlo brings both breadth and depth of experience to every project. Whether building robust backends, crafting intuitive frontends, or optimizing system performance, he is always dedicated to creating meaningful, high-quality digital experiences. 🚀 Let's build something great together!
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    Symfony
    React
    Web Application
    Amazon Web Services
    TypeScript
    JavaScript
    PHP
    Vue.js
    Laravel
  • $300 hourly
    I have Expert-Vetted Talent (EVT) badge - it's Upwork's top 1% freelancers — pre-screened by Upwork Talent Managers and experts in their field. Out of ~30 million programmers worldwide, only a few thousand know Algorithms & Data Structures better than I do, which is proven by programming competitions. Please, contact me if you need that skill level (top 0.01%). I can do algorithmic/performance work in C/C++, Python, SQL, Java, MQL4, MQL5, C#, Assembly, JavaScript, and probably other languages. I also work with AI, mostly in NLP and NLU: large language models including OpenAI GPT-3, Bloom, BloomZ, GPT-J 6B, LLaMA, Alpaca, etc.; HuggingFace Transformers, Accelerate; Petals, Deepspeed, zfp/zfpy; CUDA, CPU, and MPS (AArch 64 M2 MacOS Metal GPU) backends. I have some work experience with Apple Neural Engine (ANE). In AI, I also worked with XGBoost for predictions (including trading), LibSVM, TensorFlow, PyTorch, Scikit-learn, etc. I have the hardware in my home office for training and inference with large language models and other AI. English: C1 (Grammarly plugin says I use more unique words than 95% of other users, native speakers included). Polish: B1 (86%). Russian, Belarusian: Native. - With unique skills in Algorithms & Data Structures, I improve programs asymptotically (often 100 or more times on large input data). - 29 years of programming (started Basic and assembler on ZX Spectrum), 24 years of C/C++, 16 years of commercial work experience + 3 years of research projects. - Contributed to widely used Open Source projects: LLVM/Clang (my contribution is XRay profiler on ARM32 and AArch64 systems), Katana Graph (multiple small contributions mostly driven by the proprietary part where I do GPU/CUDA), CBMC "C Bounds Model Checking" (I contributed parallelized output of DIMACS formatted Boolean Satisfiability formula), oatpp (C++ web framework, I contributed bug-fixes), OWL (OptiX Wrapper Library, I contributed build fixes for Ubuntu), Galois (research project for distributed computations on graphs, I contributed GPU improvements) - Actively participated in bug reporting and reproduction (for NVIDIA CUDA, Cadical&kissat boolean satisfiability solver, JBOSS, MariaDB, Tensorflow, Linux, etc) - Led several open-source projects of my own: ProbQA (a video game recommendation system based on a high-performance Bayesian inference engine with CUDA, SIMD, and multi-threading); InSoAr (automatic reconstruction of software architecture from source code ), a multi-threaded Boolean Satisfiability solver, etc. Working for hire, implemented: - efficient multi-threading, scaling real-world workloads almost linearly with the number of CPU cores (128x for AMD Ryzen Threadripper 3990X) - SIMD vectorization (SSE/AVX), up to 8x improvement in computing thread or even copying (see my "Faster alternatives to memcpy" answer on Stackoverflow, URL upon request). - cache-aware algorithms: up to 50x improvement on some workloads - up to 20 trillion operations/second in CUDA (thousands of times faster than CPU) - up to the theoretical limit (6.8 Gigarays/second on RTX 2080 laptop GPU) in ray-tracing with OWL and OptiX - AVX512 and RTM (Restricted Transactional Memory) based acceleration, 16x improvement for float numbers -up to 20x improvements to cryptocurrency miners on CPU using AVX512 and cache-friendly algorithms 13K reputation on Stackoverflow: (1915854/serge-rogatch) Topcoder SRM score: 1480 - among top 5K programmers in the world - top 0.02% (rSerge) During my career, I also took (technical) leadership roles such as Team Lead, Manager, Chief Architect, Vice-President, and CTO. I developed all kinds of networking applications, from Linux Kernel modules up to Web applications. The majority of work was, of course, done at TCP/IP level with socket calls like send/recv/select. Programming languages: C++, C++11/14/17/20, C, Python, x86/x64/ARM/AArch64 assembly, SQL, C# .NET, JavaScript, HTML, CSS, Java, MQL4, MQL5, XML, Cypher, Rust. Libraries/Frameworks: PyTorch, Tensorflow, HuggingFace Transformers/Accelerate/Safetensors, Hivemind/Petals, OpenAI, tiktoken, Django, Flask, STL, LibSVM, XGBoost, libcurl, Selenium, PyTorch, Transformers. Technologies: OpenMP, CUDA, SIMD (AVX&SSE, RTM), Linux Kernel Modules, OptiX, OWL (OptiX Wrapper Library), RTX, raytracing. Theory/Principles/Know-how/Methodologies: Algorithms & Data Structures, Performance Optimization, Artificial Intelligence, Multithreading, Vectorization, Object-Oriented Programming, compiler implementation, linkers, Low-latency, High-frequency, Blockchain. Open source code: Clang, LLVM, LLVM's compiler-rt library, Linux Kernel, a few of my own repositories, contributions to AI and Algorithm open-source projects such as Petals and CBMC. Tools/APIs/Architectures/Platforms: PostgreSQL, MSSQL, MySQL, Neo4j, MATLAB, CMake, GIT, MT4, MetaTrader 5, Conda, PyCharm. Virtual Machines / Containers: Docker, VMWare, VirtualBox, QEmu, Hyper-V. OSes: Windows, Linux, Android, macOS
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    ChatGPT
    PyTorch
    GPT-3
    XGBoost
    Transformer Model
    Large Language Model
    Artificial Intelligence
    Multithreaded Programming
    CUDA
    Database
    Performance Optimization
    C++
    Linux
    Python
  • $15 hourly
    Responsibility for my job and for my processess is basis for me, that is why I always do my best to complete my taskss as good as I can, in required time. I really love efficiency so I always automate my work so it's easier for the future. I have experience in production companies, in big Pharma and e-commerce, gaming industry. All this experience gave me huge overview of different accounting and business models depending on the industry. I can organize book, prepare deep analysis of financial statements, calculate payments based on sales.
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    Xero
    Translation
    Google Sheets
    PRECISION
    Excel Formula
    Financial Analysis
    Data Entry
    Bookkeeping
    Google Docs
    Microsoft Excel
    Accounting
  • $75 hourly
    I'm a full stack web developer and designer I have experience as a Web Developer, Designer and UX Manager .Notable projects include creating a web application for a fantasy sport website, a CRM for a 10,000+ client NPO and optimising sales funnels for high traffic (million+ monthly) websites.I am interested in a roles in Front End or Back End web development.
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    WordPress
    Git
    jQuery
    Web Application
    HTML5
    AJAX
    JavaScript
    PHP
  • $15 hourly
    I am a beginner no-code developer. Currently, I am using Budibase for my apps. I like unconventional challenges and I'm constantly looking for new solutions. So I can create an app for you or your business. Also I'm interesed in project management and the Agile methodology impresses me the most, so I can be helpfull in your project.
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    Microsoft Excel
    Trello
    No-Code Development
    Management Skills
  • $45 hourly
    Senior Developer and Architect experienced in end-to-end application development, from initial concept to production deployment. Salesforce Skills & Expertise: Programming Languages & Platforms: - Apex, Visualforce, Aura, LWC. API Integration: - REST API, BULK API, Metadata API, Tooling API, SOAP API. Security Review: - Expert in preparing and passing Security Reviews. Backend Skills & Expertise: Programming Languages & Frameworks: - Nodejs, Typescript, Nestjs. Containerization: - Proficient in Docker containerization, lifecycle management, and deployment orchestration. Other Skills & Expertise: Architecture & Scalability: - Expert in scalable system design, including microservices architectures for high-performance applications. Linux Systems: - Skilled in configuring, managing, and troubleshooting Linux servers. Leadership & Management: - Successfully led cross-functional teams in projects, ensuring timely delivery and high-quality outcomes. AWS, Azure, Google Cloud: - Adept at utilizing and managing cloud services, including deployment, scaling, and optimization of cloud resources.
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    Swagger
    Database Design
    Architectural Design
    Microservice
    Docker
    NoSQL Database
    NestJS
    TypeScript
    Node.js
    Salesforce Lightning
    Visualforce
    Apex
    Salesforce
  • $40 hourly
    👋 I’m Serhii, an experienced web developer with over 6 years of history in web development and software engineering, currently based in Poland. As a skilled full-stack developer, I specialize in creating aesthetically pleasing and functional web applications. I am committed to writing clean, maintainable, and scalable code that adds real business value. Whether working with startups, small teams, or enterprises, I focus on collaboration and client satisfaction. My goal is to not only meet your expectations but to exceed them, delivering exactly what you need with precision and care. Core Skills: • Frontend: HTML, CSS, JavaScript, TypeScript, React, Next.js, Vue.js, Angular • State Management: React Query, Zustand, Redux • Backend: Node.js, Express, Nest.js, PHP, Laravel, RoR, Python, Django • APIs: REST, GraphQL, Apollo • UI Libraries: Tailwind CSS, Shadcn UI, Radix UI, Material UI, Ant Design, AG Grid • Databases: PostgreSQL, MySQL, MongoDB, Redis • DevOps: AWS, Vercel, GitHub
    vsuc_fltilesrefresh_TrophyIcon SQL
    Django
    Python
    Ruby on Rails
    API
    Web Development
    Laravel
    PHP
    Node.js
    Angular
    Vue.js
    Next.js
    React
    TypeScript
    JavaScript
  • $35 hourly
    Innovative and solutions-driven software engineering professional with an established track record of designing and developing scalable and high-performance software systems that meet business needs. Proficient in Python, Data Science, and MERN stack as well as cloud services like AWS.
    vsuc_fltilesrefresh_TrophyIcon SQL
    ChatGPT
    OpenAI API
    API Integration
    Python
    Amazon S3
    Git
    MongoDB
    Node.js
    Next.js
    React
    TypeScript
    JavaScript
    CSS
    HTML
  • $15 hourly
    Currnetly I'm working as a developer for nearly 8 years. I was taking part in many different projects - document workflows, banking, WMS, development institutions. My expirience covers following topics: - java 8, - spring boot, - microservices, - AWS, - postgresql, - maven/gradle -webservices -git -jira
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    TypeScript
    Jira
    MongoDB
    JUnit
    SOAP
    RabbitMQ
    PostgreSQL
    Gradle
    Kotlin
    RESTful Architecture
    Hibernate
    Spring Boot
    Java
    Git
  • $15 hourly
    🐍Python developer with more than 3 years of experience. ⏰On Time Delivery ⏳ Urgent requirements 💯Over-Delivering: I aim to provide exceptional value and go the extra mile to exceed client expectations. With a commitment to delivering outstanding results, I believe in over-delivering on every project I undertake. ⭕My area of expertise is web development, web scraping and automation. I can scrape a wide range of websites of both types: static and dynamic. ⭐In additional to this I can provide wide range of solutions in below mentioned technologies. 📌Languages ✔️Python ✔️JavaScript ✔️TypeScript ✔️SQL ✔️HTML/CSS 📌Web Development: ✔️Odoo ✔️Django ✔️FastAPI ✔️Flask 📌Background Task Managers ✔️Celery 📌Social Logins ✔️Google, LinkedIn, Facebook, Twitter, Github 📌Scraping ✔️Scrapy ✔️Beautiful Soup ✔️Selenium 📌Cache ✔️Redis ✔️MemCached 📌Message Brokers ✔️Redis ✔️RabbitMQ 📌Databases ✔️PostgreSQL ✔️MongoDB ✔️MySQL ✔️SQLite ✔️DynamDB 📌Other technology ✔️Docker ✔️AWS[EC2, RDS, Elastic Beanstalk, S3 Bucket, Route 53, Cloud Front, SSL Certificate Manager, IAM]
    vsuc_fltilesrefresh_TrophyIcon SQL
    TypeScript
    JavaScript
    Web Development
    Odoo Development
    Odoo
    Keras
    TensorFlow
    Machine Learning
    Data Science
    PostgreSQL
    Redis
    Django
    FastAPI
    Python
  • $12 hourly
    I'm a data analyst and I can help with generating reports and building dashboards. I'm experienced in MS Excel, SQL, Python, Google Date Studio
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    Google Analytics Report
    Data Visualization
    Microsoft Excel
    Probability Theory
    Visualization
    Test Results & Analysis
    Statistics
    English
    A/B Testing
    pandas
    NumPy
  • $25 hourly
    Hobbies: My main interest is traveling, especially to Asia. I lived in Thailand for 7 months. I really like Asian food and the culture there. I run my own YouTube channel about living in Thailand. Besides, my interest is learning programming and further training in this topic. ABOUT ME I am very dynamic and hardworking all the time after graduation I am learning and developing new skills. Currently, my goal is to work in the Data Science and Python industry to expand my knowledge in practice. I want to work in a team to exchange knowledge and experience with other people. I quickly assimilate new knowledge and act to achieve my goal. PYTHON LIBRARIES Pandas NumPy Matplotlib Scikit-Learn Dash Seaborn Plotly Scipy
    vsuc_fltilesrefresh_TrophyIcon SQL
    GitHub
    Git
    Plotly
    Python Script
    Matplotlib
    Machine Learning
    Python
    Data Science
    Python Scikit-Learn
    pandas
    Unsupervised Learning
    SciPy
    NumPy
    Supervised Learning
  • $20 hourly
    Dedicated QA Tester focused on finding every possible bug and error not only at work, but also in the real life. Paying attention to details in every aspect of my work is the thing I strongly value but also practice. I would be more than happy to get to know each other and prevent your system from any deviations.
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    Test Plan
    Test Execution
    Test Scenario
    Test Case Design
    Testing
    Manual Testing
    Quality Assurance
    Jira
    Test Development
    Oracle
    Oracle Database
    Atlassian Confluence
  • $15 hourly
    I'm a developer with experience in building robust solutions for small and medium sized businesses. I can help you start an online business, speed up your website, fix server issues, modernise your infrastructure. - I know Python, Flask, PHP, Wordpress/Woocommerce, Linux (Ubuntu, RHEL, Proxmox), Docker, Ansible (infrastructure as code), Amazon Web Services (AWS).
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    Web Hosting
    Ansible
    Flask
    Docker
    Proxmox VE
    Backup & Migration
    WordPress
    WooCommerce
    Linux System Administration
    Amazon Web Services
    Ubuntu
    Bash
    Python
  • $15 hourly
    PROFILE Talented and experienced .NET Developer specializing in Web Development and Cloud Design, with a particular emphasis on Microservices architecture. My strong technical background spans Azure Cloud, .NET, and MS SQL, and I have hands-on experience in designing and maintaining high-load distributed systems. Additionally, I am proficient in creating Infrastructure as Code with Terraform and ARM Templates, and adept at administering Azure Cloud Subscriptions and CI/CD pipelines. I am passionate about embracing new challenges, technologies, and approaches in the ever-evolving landscape of Microservices development.
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    Serverless Computing
    ETL
    Databricks Platform
    Terraform
    .NET Core
    React
    C++
    Python
    Kubernetes
    Azure Cosmos DB
    C#
    Microservice
    ASP.NET Core
    Microsoft Azure
  • $12 hourly
    Summary of qualifications: 4 years of experience as an Software Developer with a Oracle PL/SQL, SQL, Oracle DB, BigQuery,Greenplum,Postgres. 2 years of experience as an Software Developer with a ReactJS, JavaScript, HTML, CSS. * Experience in all phases of software development lifecycle: inception, elaboration, development, testing, production implementation and support; * 4 years of experience in Oracle development (9i,11g), BigQuery,Greenplum,Postgres including: * Logical and physical database design, partitioning, table and index segments, roles and privileges; * knowledge on logical and physical Data Modeling using normalizing techniques; * PL/SQL programming, stored procedures, functions, packages, triggers, types; * Programming using dynamic SQL and PL/SQL; * Developing applications using Oracle Forms; * developing reporting and data visualization using Oracle Reports;
    vsuc_fltilesrefresh_TrophyIcon SQL
    Oracle PLSQL
    Oracle Forms
    Oracle Reports
    PostgreSQL
    Greenplum
    Oracle
    BigQuery
    Looker Studio
    Data Warehousing & ETL Software
    Business Intelligence
  • $9 hourly
    I am a skilled and detail-oriented Bengali translator with 2 years of experience in translating a wide variety of texts, including literary works, technical documents, marketing materials, websites, and legal papers. Fluent in both Bengali and Hindi, I possess a deep understanding of cultural nuances, regional dialects, and idiomatic expressions, ensuring accurate and contextually appropriate translations. Whether you need to localize content for Bengali-speaking audiences or ensure precise communication between languages, I bring expertise and attention to detail to every project. I am committed to delivering high-quality translations on time and to your exact specifications, with a focus on maintaining the essence and tone of the original text.
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    Enterprise Architecture
    UML Diagram
    Data Analysis
    Business Analysis
    Hindi
    English Tutoring
    English
    Bengali
  • $45 hourly
    As a Business System Analyst in a multinational corporation, I analyze and optimize business processes and translate them into system requirements. My role involves gathering and documenting business needs, collaborating with operational teams, IT departments, and other stakeholders on a global level. I create functional specifications, assess the impact of system changes on the organization, and support the implementation of new technological solutions. I work in a dynamic, international environment that requires me to coordinate efforts across different teams, often in multiple time zones.
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    AI Content Writing
    System Analysis
    Business Analysis
    UX & UI
    Local Operations
    Software Localization
    Tutoring
    Translation
    Live Interpretation
  • $80 hourly
    Hi, I’m Chris 👋 I’ve been solving business problems with code for over 6 years now, and I can help you with: ☑️ Web development ☑️ Data integrations ☑️ Headless e-commerce solutions ☑️ Fast MVP delivery ☑️ Bug fixing and code optimization Let me know what kind of challenge you’re facing, and I’ll tell you how I can help! Tech stack: -JavaScript, TypeScript - React.js, Next.js, React Router, Vite, TanStack Query, Apollo Client, React Hook Form, Redux, React Native, Auth.js, Clerk - Node.js, Express.js - HTML, CSS, Tailwind, MUI, shadcn/ui, Mantine - SQL, MySQL, Prisma, Drizzle ORM, Neon, Planetscale - REST, tRPC, GraphQl, WebSockets - Vercel, AWS, DigitalOcean - Headless Magento 2, Graphcommerce, Shopify Hydrogen, Hygraph, Payload - Posthog, GA4, Plausible - T3 Stack, MERN - Convex, Stripe, Adyen
    vsuc_fltilesrefresh_TrophyIcon SQL
    REST API
    GraphQL
    Tailwind CSS
    API Integration
    Node.js
    JavaScript
    Next.js
    React
    TypeScript
  • $22 hourly
    I'm a young, passionate website developer with experience in React, HTML, CSS, Javascript and C++, as well as the Shopify website creator and creating custom Shopify stores, having experience not only with the website but also with setting up every part of the store.
    vsuc_fltilesrefresh_TrophyIcon SQL
    R
    Google Sheets
    Microsoft Excel
    BigQuery
    Data Analytics & Visualization Software
    Data Analytics
    Data Analysis
    Analytical Presentation
    Website Copywriting
    Sales Funnel Copywriting
    Outreach Email Copywriting
    Sales Copywriting
    Email Copywriting
    Copywriting
  • $20 hourly
    Experienced Python Back-end Developer with 5+ years of building fast and reliable web applications. Programming Languages: Python (5 years), JavaScript (1.5 years) Frameworks: Django Rest Framework (DRF), Flask, FastAPI Databases: PostgreSQL, MySQL, SQLite, MongoDB, Redis Integration: RESTful API, GraphQL, Third-party APIs (Stripe, Twilio, Google Maps) DevOps & Cloud: Docker, AWS (EC2, S3), CI/CD Security & Authentication: OAuth2, JWT, SSL/TLS Others: GitHub, GitLab, Bitbucket, Jira, Asana, Trello Languages: English - B2, Ukrainian - Native Skilled in Django, Flask, and FastAPI, with a strong understanding of databases (PostgreSQL, MongoDB, MySQL). I create RESTful and GraphQL APIs that work smoothly with different systems. Passionate about cloud technologies, automation, and security, making applications efficient and scalable. I love solving problems, writing clean code, and delivering highquality projects. Let’s build something great together!
    vsuc_fltilesrefresh_TrophyIcon SQL
    PostgreSQL
    JavaScript
    CI/CD
    AWS Lambda
    Docker
    REST API
    GraphQL
    FastAPI
    Flask
    Django
    Python
    MongoDB
    Ecommerce
    Web Development
  • $4 hourly
    Hello! My name is Dmytro and I am fullstack developer. I write code in Javascript (Vue, React) and Php (Laravel). For the databases I use SQL, MySQL and GraphQL. About me: I like building online shops and landings, I enjoy studying, sociable, not conflict, I like to work both alone and in a team and I have upper Intermidiate English.
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    phpMyAdmin
    Docker
    Redux
    Vuex
    GraphQL
    MySQL
    CSS
    HTML
    Laravel
    PHP
    Vue.js
    React
    JavaScript
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How much does it cost to hire a SQL Consultant?

Rates charged by SQL Consultants on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.

Why hire a SQL Consultant near Poznan, on Upwork?

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Can I hire a SQL Consultant near Poznan, within 24 hours on Upwork?

Depending on availability and the quality of your job post, it’s entirely possible to sign up for Upwork and receive SQL Consultant proposals within 24 hours of posting a job description.