Hire the best SQL Consultants in Gdansk, PL

Check out SQL Consultants in Gdansk, PL with the skills you need for your next job.
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Rating is 4.8 out of 5.
4.8/5
based on 104 client reviews
  • $40 hourly
    I am an experienced Software developer with 10+ years of experience in web development, adept at crafting robust PHP and JS applications across diverse complexities. I possess a first-class computer science degree and specialize in PHP 5.x/7.x/8.x and JavaScript ES5/ES6. Proficient in leading frameworks like Symfony and Laravel, skilled in REST API, CI/CD with GitHub/Jenkins, and well-versed in MySQL, PostgreSQL, and MSSQL databases. Passionate about collaborative projects and contributing to open-source. 𝐊𝐞𝐲𝐰𝐨𝐫𝐝𝐬 𝐟𝐨𝐫 𝐭𝐡𝐞 𝐩𝐫𝐨𝐟𝐢𝐥𝐞: Back-End Developer, Back-End Development, PHP Frameworks, PHP Web Developer, PHP programming, Symfony Developer, Symfony 1.X, Symfony 2.X, Symfony 3.X, Symfony 4.X, Symfony 5.X, Symfony 6.X, Symfony 7.X Sylius ,Laravel 4, Laravel 5, Laravel 6, Laravel 7, Laravel 8, Laravel 9, Laravel 10, Laravel 11, API’s, Custom PHP, JavaScript, API Integration, Web Development, HTML, HTML5, MySQL, Bootstrap, CSS. Laravel Engineer, Laravel Developer, PHP Laravel Expert, Symfony Expert, Senior Full Stack Laravel Developer, PostgreSQL, Docker, Gitlab, AWS, RESTful API, jQuery, AJAX, PHP Script, Database, Web Service, MySQL Programming.
    vsuc_fltilesrefresh_TrophyIcon SQL
    Laravel
    Symfony
    API
    Amazon Web Services
    Software Architecture & Design
    WHMCS Development
    Docker
    RabbitMQ
    PostgreSQL
    MySQL
    JavaScript
    Redis
    WordPress
    PHP
  • $15 hourly
    Greetings! I'm Shilpa SItlani, a meticulous and results-driven Software Tester with 3+ years of dedicated QA experience in ensuring the reliability and functionality of web and mobile applications. My journey in Quality Assurance (QA) has spanned multiple domains, including e-commerce, edtech, gaming, the ServiceNow platform, Website design on WordPress testing, and financial applications. My expertise include Domain Expertise, Tool Proficiency, Test Scenarios Creation, Test Execution and Bug Reporting & Verification. My achievements include successful completion of 25+ tasks on up-work, 5+ enterprise projects and solid feedback on my completed tasks. I would like to offer my services to perform QA on your products to deliver a bug-free, user-friendly application. Scope of my Tasks: Comprehensive Testing Writing User Stories with Acceptance Criteria Writing Functional Test Scenarios/Test Cases Writing Non-Functional Test Scenarios/Test Cases Writing and Executing API Tests Executing Functional Tests Bug Hunting and Reporting Test Summary report Tools - JIRA ,Trello ,Notion Video - Loom Automation Testing - Selenium WebDriver Expertise in Adding reviews for websites & apps Devices Available for Mobile App Testing : iPhone 11 iPhone 16 Pro Samsung s10 Samsung s24 ultra Web App Testing - Chrome - MS Edge - IE - Firefox - Safari - Opera
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    SaaS
    GUI Testing
    Review
    Software QA
    Test Report
    Mobile App
    Test Case Design
    Test Plan
    Mobile App Testing
    Test Execution
    Test Results & Analysis
    Manual Testing
    Test Requirements
    Web Testing
  • $40 hourly
    Founder of wheretopark.app, former founder of an IoT platform. In the past, I have also built a few publicly available mobile and web applications, also active in open source. Achievements that prove my skills in software development: - Laurette of E(x)plory 2023, the biggest technology competition in Poland for young people. - Finalist of ISEF Regeneron 2024 in Los Angeles - the world's largest science competition for young people. - 3rd place in Young Innovator 2022/2023 - Polish competition for high-tech projects. - 1st place in "Konkurs Geoinformatyczny" - competition about geoinformatics organized by Warsaw University of Technology. - Almost 1k stars collected on my repositories on Github.
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    Software Development
    Swift
    Git
    Flutter
    Web Server
    Microcontroller
    Linux
    Serverless Computing
    Web Application
    Rust
    TypeScript
    JavaScript
  • $23 hourly
    Hi! I'm full-stack(.Net + Angular2+) developer with 6 years of experience in development of Web and desktop applications. I'm Microsoft Sertified Solution Developer(MCSD) and quite familiar with cloud technologies such as AWS, Google Cloud and Microsoft Azure. I have had experience developing applications in various fields such as medicine, the Internet of things, banking. In addition to classic apps I have experience writing apps with new technologies such as Azure functions and Cosmos DB. By the way I'm quite familiar with databases, especially with MS SQL Server. One of my strengths it is that I can both create architecture and understand the code that has already been written and always happy to make your project better.
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    Microsoft IIS
    HTML5
    Microsoft SQL Server
    Angular
    Azure App Service
    ASP.NET MVC
    .NET Core
    C#
    Azure Cosmos DB
    TypeScript
  • $25 hourly
    ✅ Excel & VBA ✅ Python (data analysis, task automation, AI/ML) ✅ web development (JavaScript & React, HTML, CSS/Sass, XML/XSD, PHP, SQL) ✅ cybersecurity & computer networks ✅ AutoHotkey ✅ web automation (Selenium) ✅ RPA (UiPath)
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    Back-End Development
    HTML
    Web Development
    Linux
    Data Processing
    CSS
    XML
    Visual Basic for Applications
    UiPath
    Data Extraction
    Automation
    Microsoft Excel
    JavaScript
    Python
  • $20 hourly
    Hello! 👋 I’m Oleksandr, a Senior Full-Stack Developer with over 4 years of experience. I specialize in building robust web applications using Spring Boot and Angular, and have extensive experience in backend and frontend development. I help businesses streamline their processes, improve performance, and deliver seamless user experiences. Tech stack: - Java, Spring Boot, Spring Security, Spring Framework, JUnit, Mockito - JavaScript, TypeScript, Angular, Vue - SQL (MySQL, MariaDB), NoSQL (Redis) - HTML, CSS (SCSS, Bootstrap, Tailwind) - Maven, Docker, Git, Jira, Jenkins - PHP, Symfony , Laravel Let's talk I can help you! 💬 Regards Oleksandr
    vsuc_fltilesrefresh_TrophyIcon SQL
    Web Development
    SCSS
    NoSQL Database
    Git
    JavaScript
    TypeScript
    Jenkins
    Docker
    Docker Compose
    Hibernate
    Spring Security
    Spring Boot
    Spring Framework
    Java
  • $30 hourly
    Over the last 13 years, I have developed a wide range of websites using ASP.NET MVC, WEB API, ASP.NET Web Forms, EF, LINQ, NHibernate, MS SQL, MySQL, Mongo and .NET based desktop applications. My core competency lies in development of data and business layers of big web systems.
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    Database Design
    DevExpress
    .NET Core
    API Development
    ASP.NET MVC
    Angular
    JavaScript
    .NET Framework
    C#
  • $30 hourly
    ✔ 100% Job Success ✔ 15+ years experience ✔ 4000+ hours worked on Upwork with excellent client feedback. I'm an experienced software engineer who has spent 11+ years designing and developing various win, web and mobile applications. My main principals are the following: - Clean code, - Automation of processes, - Lack of nothings. Important to say, that I always try to find simple and elegant solutions for complex technical problems. Satisfied customers and thankful clients are the main factors that can confirm my professionalism ● General ⠀⠀✔ C# ✔ .Net ✔ Design Patterns ✔ MS Visual Studio ✔ DevExpress XAF ● Web Dev ⠀⠀✔ ASP.NET MVC ✔ ASP.NET Web API ✔ WCF ✔ JavaScript ✔ jQuery ● ORM ⠀⠀✔ Entity Framework (Code-First, Database First) ✔ XPO ● Database ⠀⠀✔ T-SQL ✔ MS SQL ✔ MySQL ✔ MongoDB ✔ Oracle ✔ PostgreSQL ● Version Control System ⠀⠀✔ TFS ✔ Git ● Reports ⠀⠀✔ Crystal Reports ✔ Fast Report ✔ DevExpress Reports ● CMS ⠀⠀✔ Umbraco ● Other skills ⠀⠀✔ Data Scraping ✔ Parsing Feel free to contact to know more about my work and how I can help you.
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    Microsoft Azure
    DevExpress
    JavaScript
    ASP.NET MVC
    .NET Framework
    C#
    ASP.NET
  • $20 hourly
    6 years of experience in creating Web and Desktop applications in C# (Net Framework, Net Core, Net 6/7/8, Asp.Net/Asp.Net Core) and NodeJS/Python with Angular 8+/React 17+ frontend. Proficient in technologies: Azure/Aws, JavaScript, TypeScript, NodeJS, Angular, React, SQL, MongoDB, Docker, RabbitMQ, MassTransit, WCF/CoreWCF, SignalR, Python. 2 years of experience in Web Automation testing. 3-rd degree diploma in 1/2 final of ACM International Collegiate Programming Contest 2016 Past experience: 1) AI/ML recognition of engineering parts in drawings and generation of an electronic database from PDF drawings (Angular 8, Python 3.8, MongoDB) 2) A tool for marking up and preparing documents for machine learning (React 18, Python 3.8) 3) Supporting and extending of an existing web-application in Asp.Net MVC 4.x (.NET Framework 4.5, MS SQL) 4) Migrating WCF service to NET 6 version (NET 6, CoreWCF) 5) Extending web-application by adding RabbitMQ message broker to handle new clients (.NET Framework 4.8) 6) Create a card game using SignalR and Asp.Net core (Net 8)
    vsuc_fltilesrefresh_TrophyIcon SQL
    ASP.NET
    .NET Framework
    .NET Core
    HTML
    Angular
    Docker
    React
    C#
    TypeScript
    JavaScript
    Python
  • $30 hourly
    Summary I am Full Stack Engineer specializing in C#, .NET core, microservices, SQL query optimization, Database migration, DevOps practices, IIS managing, system integration with third parties and focused mainly on Azure Infrastructure.
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    Microsoft SQL Server
    Angular
    Data Migration
    Database
    Netting
    SQL Programming
    Microservice
    Docker
    Azure DevOps
    Migration
    Cloud Computing
    Microsoft Azure
    C#
    Microsoft IIS
  • $30 hourly
    I am an experienced software engineer with a strong background in Java, Spring Framework, Maven. I am passionate about building robust and scalable applications that deliver exceptional user experiences, discovering new technologies, approaches and patterns to resolve business issues and improve stability and perfomance of applications. With my experience in Java development, I have successfully delivered complex projects utilizing frameworks like Spring Boot and Spring MVC. My proficiency in designing and implementing RESTful APIs, database integration, and application security allows me to develop efficient backend systems. In addition to my backend skills, I have skills in JavaScript, TypeScript and React, enabling me to build interactive and responsive user interfaces. I have hands-on experience with front-end development, including state management, component architecture, and integrating APIs. In addition to that, I am experienced in Jira Platform. I have an
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    Spring Cloud
    React
    JavaScript
    Jira
    TypeScript
    Apache Maven
    Spring Boot
    Spring Framework
    Java
  • $10 hourly
    About Me Graduate looking for growth opportunities in the IT industry. Interested in the area of artificial intelligence and data analysis. Eager for continuous professional development, adapting well to new tasks. With a solid theoretical foundation and a readiness for practical involvement in a dynamic IT environment. PROJECTS Experience includes developing team matching software, collaborating with the University of Social Sciences and Humanities to create a personality test, working on multimedia conversion of a Likert test, adding an online speed dating module, and participating in a project focused on detecting emotions from video. As part of my engineering thesis, I developed a complex system dedicated to face detection, identification and tracking, as well as emotion recognition, based on the use of neural networks. It allowed me not only to broaden my
    vsuc_fltilesrefresh_TrophyIcon SQL
    Web Development
    Web Page
    Node.js
    React
    Git
    pandas
    PySpark
    JavaScript
    TensorFlow
    PyTorch
    C++
    Python
  • $15 hourly
    Fluent in English: Professional proficiency in speaking, writing, and reading Platform Support & Maintenance: Expertise in supporting and maintaining document processing platforms, including performance monitoring and problem identification. System Updates & Implementation: Skilled in implementing updates in production systems with minimal disruption to operations. Cloud Infrastructure Support: Experience in troubleshooting and resolving cloud infrastructure issues (AWS, IBM Cloud, Azure) Data Analysis: Strong ability to analyze and interpret data to support problem resolution and platform optimization. Hardware Support: Skilled in resolving issues with PCs, laptops, and Cisco phones. Automation Scripting: Ability to create scripts for automating repetitive tasks, improving efficiency and consistency (Batch, Power Shell, Python) Problem Solving: Proven ability to identify, diagnose, and resolve complex platform and system issues. Attention to Detail: Strong focus on accuracy and thoroughness in troubleshooting and documentation.
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    Server
    Microsoft Active Directory
    Elasticsearch
    Citrix
    Microsoft Power BI
    Batch Normalization
    Kofax RPA
    MySQL
    Atlassian Confluence
    Jira
    Kibana
    Technical Support
    Tech & IT
    Customer Service
  • $17 hourly
    Result-oriented IT professional, enthusiastic and highly motivated Senior QA Engineer with 11+ years of background in Finance IT Industry in different phases of software testing life cycle. I has profound experience in testing of frontend and backend desktop and web applications. I also have experience in mentoring of new team members and basic experience in Mobile testing.
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    System Testing
    Defect Tracking
    Manual Testing
    Test Execution
    Requirement Analysis
    Web Testing
    GUI Testing
    Exploratory Testing
    Regression Testing
    Functional Testing
    Smoke Testing
    Software Testing
    Software QA
    Quality Assurance
  • $10 hourly
    Hello! I'm a beginner C# programmer. I`m ready to perform various programming jobs. ###################################
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    Blazor
    ASP.NET
    ASP.NET Core
    CSS 3
    C#
    ASP.NET Web API
    HTML5
  • $3 hourly
    I'm a young person who is still learning new skills and develop in different paths. I don't have much experience, but open minded to get.
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    Clip Studio Paint
    Art & Design
    CSS
    HTML
  • $60 hourly
    Seasoned Software Engineer with over 12 years of experience driving innovation across diverse industries including fintech, maritime logistics, real estate, and energy markets. Expertise spans full-stack development, specializing in C#, .NET, Node.js, JavaScript, React, and Angular, with a strong foundation in database management and messaging systems. Demonstrated leadership in spearheading critical projects, optimizing core business processes, and successfully integrating complex systems from acquired companies. Proven ability to architect and deliver robust web platforms and desktop applications, consistently meeting tight deadlines and exceeding performance expectations. Skilled in mentoring and leading development teams, fostering growth and ensuring project success in fast-paced environments. Adept at leveraging cutting-edge technologies to create competitive advantages, from AI-driven maritime solutions to automated publishing systems. Committed to continuous learning and adaptability, evidenced by seamless transitions between diverse tech stacks and industries throughout my career.
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    Desktop Application
    Software Development
    Artificial Intelligence
    Web Application
    Web Development
    AI Chatbot
    TypeScript
    JavaScript
    Node.js
    .NET Framework
    C#
    Angular
    React
  • $30 hourly
    I am an ETL developer with a passion for working with data. In my work, I focus on designing ETL processes. In my current position, as well as in my roles as a BI Analyst, I use SQL and Power BI for daily tasks. As a Depositary Analyst, I used Excel to create reports. In my work, I aim to utilize my experience and continually develop my skills. Working with data, streamlining processes, and problem-solving bring me great satisfaction. I am fluent in English.
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    Microsoft Power BI
    Python
    Informatica
    ETL
  • $30 hourly
    Experienced Senior Fullstack Developer with 7+ years in building and optimizing high-performance web applications using .NET and React. Skilled in database design and management, leveraging diverse database technologies to support scalable and efficient systems. Strong analytical skills and a focus on delivering business value through technology. Proficient in collaborating with cross-functional teams and implementing modern best practices.
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    NoSQL Database
    Web Development
    React
    .NET Core
    .NET Framework
  • $5 hourly
    I would like to work with data. I have some experience with Microsoft Power BI and creating reports.
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    Microsoft Excel
    Database
    Microsoft Office
    Data Extraction
    ETL
    Data Analysis
  • $5 hourly
    I'm a mathematician experienced in Data Analysis. I'm also used to AI technologies. Coding Skills: Python, R, SQL Availability: Full
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    Statistical Analysis
    Mathematics
    R
    Python
    Artificial Intelligence
    Machine Learning
    Information Analysis
    Data Analysis
  • $17 hourly
    Hi! I'm a data scientist and bioinformatician with academic background in biotechnology. My main asset is vast expertise in both computational and biological fields. I have experience working in biotechnological startups on different roles and a portfolio of implemented Machine Learning and programming projects. I can provide help in: • scientific computation • statistical analysis • publication writing • programming tasks • AI implementation • scientific assistance (biomedicine, molecular, cancer, virus biology, etc.) • planning experiments
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    Scientific Writing
    Scientific Research
    Report Writing
    Metadata
    AI Implementation
    Git
    Bioinformatics
    R
    Data Science
    Data Analysis
    Biotechnology
    Python
    Molecular Biology
    Machine Learning
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