Hire the best PostgreSQL Developers & DBA in Chicago, IL

Check out PostgreSQL Developers & DBA in Chicago, IL with the skills you need for your next job.
  • $85 hourly
    𝗪𝗘𝗟𝗖𝗢𝗠𝗘🙌 I'm a software engineer with more than 𝟖+ years of experience in Python. I have a proven track record of delivering scalable solutions using Django, Flask, and FastAPI frameworks. ⬇️Let's discuss how I can assist you with your project⬇️ 𝗠𝗬 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧 𝗣𝗥𝗢𝗖𝗘𝗦𝗦 🔹𝙍𝙚𝙦𝙪𝙞𝙧𝙚𝙢𝙚𝙣𝙩 𝘼𝙣𝙖𝙡𝙮𝙨𝙞𝙨. I thoroughly analyze the technical assignment or task, seeking clarification for any ambiguous aspects. For larger assignments, I break them down into tasks and further into subtasks. 🔹𝙎𝙤𝙡𝙪𝙩𝙞𝙤𝙣 𝘿𝙚𝙨𝙞𝙜𝙣. I devise an implementation plan, creating a new git repository or cloning an existing one. Each task has its own branch. If time allows or if the task requires it, I write tests. 🔹𝙄𝙢𝙥𝙡𝙚𝙢𝙚𝙣𝙩𝙖𝙩𝙞𝙤𝙣. I start by developing a minimum viable prototype and then proceed with refactoring. I ensure that the code meets the specified requirements, such as speed or database query optimization. If needed, I perform additional refactoring. Once complete, I run the tests and either merge the changes to the main branch or create a pull request if I lack repository admin privileges. 🔹𝙏𝙚𝙨𝙩𝙞𝙣𝙜. Depending on the pipeline in use, the changes are typically transferred from the development branch to the test branch, where QA engineers evaluate them. If everything is satisfactory, I create a controlled backup of the production environment and introduce the new version. ✅ 𝗪𝗛𝗬 𝗖𝗛𝗢𝗢𝗦𝗘 𝗠𝗘? ✔ Extensive experience developing scalable web applications across diverse industries. ✔ Expertise in Python, Django, and Databases. ✔ In-depth understanding of industry-specific challenges and solutions. ✔ Proven ability to tackle complex technical problems effectively. ✔ Proficient in utilizing AWS, Google Cloud, and Microsoft Azure cloud-based services. ✔ Committed to delivering exceptional results and ensuring client satisfaction. ✔ Strong advocate for open and transparent communication. ✔ Efficient project management skills, ensuring timely delivery. ✔ Reliable and skilled partner dedicated to bringing your vision to life. 🛠 𝗦𝗞𝗜𝗟𝗟𝗦 🔸𝗖𝗼𝗿𝗲. Python, Django, Flask 🔸𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀. MySQL, PostgreSQL, SQLAlchemy, pyodbc 🔸𝗡𝗼-𝗦𝗤𝗟. MongoDB, Redis, ElasticSearch 🔸𝗖𝗹𝗼𝘂𝗱. AWS EC2, S3, SES, Route 53 🔸𝗔𝗣𝗜. REST API, Django REST Framework, FastAPI ▶️Click the Invite button on my profile to get started on your project right away!
    vsuc_fltilesrefresh_TrophyIcon PostgreSQL Administration
    MariaDB
    PostgreSQL
    MySQL
    SQL
    Database Design
    Django
    RESTful API
    API Development
    FastAPI
    Flask
    Python
  • $60 hourly
    Full stack developer based in Chicago, IL. Excellent at communication and working with clients through complex problems. I've worked with a wide variety of technologies over the 7+ years of my career. Currently, I enjoy working with clients to build custom software using the JAMstack (Javascript, API, Markup). My focus is primarily back-end and I love building RESTful APIs in Python. My goal is to build things that last. As a business owner myself (check out my project Fantasy Congress), I know how precious time & money are to your business. Not only do I execute projects in a timely manner, but I ensure the future success of your project by writing maintainable code, comprehensive tests, and sensible documentation. Skills: Front-end: HTML, CSS, JavaScript, Vue.js Back-end: Python, Django, Django Rest Framework, Flask Deployment: Heroku, AWS Databases: Postgres, MySQL, No-SQL Templating Systems: Liquid, Jinja2
    vsuc_fltilesrefresh_TrophyIcon PostgreSQL Administration
    Front-End Development
    Vue.js
    Django
    PostgreSQL
    Python
    RESTful API
  • $50 hourly
    **IF I'M BIDDING ON YOUR JOB I WILL DO THE WORK MYSELF** I know my rate might seem low - I'm interested in solving interesting problems more than in maximizing my pay and I will not be outsourcing your work to someone else. I'm a full-stack engineer and product manager with past experience working in AI platforms at Microsoft. I graduated with a degree in Computer Science Magna Cum Laude from Harvard. I'm looking for interesting companies to consult with. I can be especially helpful with: - Data science and machine learning projects in Python or R - Projects with ambiguous goals that need some product management expertise - Web development in JavaScript (especially React) - Social media marketing
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    PostgreSQL
    Computer Science
    React
    Social Media Marketing
    JavaScript
    Artificial Intelligence
    C
    Deep Neural Network
    Data Science
    Python
    Deep Learning
    R
  • $150 hourly
    Experienced software architect with many years of experience working in cloud architectures. Specialist in bootstrapping companies from 0-10. Proven track record of challenging the status quo to bring the latest engineering best practices to bear on new and legacy problems. Modern engineering manager with proven leadership skills to mentor emerging engineering talent while also developing culture and teams. * Cloud Computing Architecture (AWS Certified) * Cross-Functional Teams
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    Data Engineering
    Spring Boot
    PostgreSQL
    AWS Lambda
    Mongoose
    Event-Driven Programming
    SQL
    AWS Amplify
    Java
    AWS IoT Core
    Twilio
    TypeScript
    Python
    JavaScript
  • $175 hourly
    Experienced CTO, software developer and architect with a demonstrated history of architecting and deploying fullstack Ruby on Rails (RoR) software, including LMS and SaaS products that have dedicated APIs for native clients consumed at scale. I’ve been at it since Rails 3 and personally migrated apps from Rails 4 to 7. Rails performance — faster than 300ms for a fullstack response from server; less than 1s to paint clientside — is a passion of mine, as is building software that works and satisfies constraints. If you want software that is performant while accomplishing business goals — I’m probably a good choice. If you’re looking for websockets (the Hotwired stack, mostly in RoR), background jobs (Redis / Sidekiq) help with frontend JavaScript (yes, I spent a few years working in React) or more general help designing web products that accomplish your broader goals (e.g., you want your pages to load faster; I’d help you make some of your content load asynchronously to do that). A second skillset I have relates specifically to analytics. I have considerable experience building out data tracking with various accompanying metrics and dashboards in Ruby on Rails, but I also have considerable experience with data analysis (R; Python; PyTorch; PySpark) and familiarity with with bigger data tooling and analytics (e.g., Hadoop; Pig; Spark; DataBricks; Snowflake) and specialized reinforcement learning (RLlib). Re: deployment — I usually deploy on Heroku because I have a standard Continuous Integration (CI) / Continuous Deployment (CD) playbook. That said, I have deployed software in AWS and run super intense compute processes in Azure and Google Cloud Platform (GCP). So while I focus on shipping software that works, you can expect all code I oversee to come with appropriate tests. And finally, concerning data structures and databases for production applications ... I don’t do NoSqL — I just think it’s never the right choice. Any standard relational database — e.g., PostgreSQL (best), MySQL (acceptable) — is fine. I’ve written a bunch of raw SQL — from custom procs and functions to standard INSERT commands and used a variety of add-on modules for natural language features, UUID generation, etc. And yes, I’ve migrated and updated countless databases, and I would be happy to tag which indices your database should add or remove for performance. If you want to shard your database or created read-only versions for performance, I’m happy to help you develop that strategy.
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    Ruby on Rails Stack
    Amazon S3
    A/B Testing
    R
    Heroku
    Technical Project Management
    Analytics
    JavaScript
    React
    PostgreSQL
    Ruby
    Ruby on Rails
    Web Application
    Web Development
    Python
  • $135 hourly
    Top rated is top 10%, but apparently I am top 1% on Upwork based on email I got from them. "Congrats on being in the top 1% of talent on Upwork! " NOTE: Due to a dispute with Upwork I will not be available for work through this platform. You can find me on the web, search for Inverudio. ______________________________________________________________________________ I am a software engineer with 20 years of professional experience and several years of scientific multidisciplinary research experience which involved data analysis from various domains, from physics to cardiology. I am an expert in web information retrieval, web crawling and scraping, data normalization, data science applications, structuring unstructured data, fuzzy matching csv and json data, text analysis. My main areas of expertise are: Python, PHP, JAVA, MySQL, PostgreSQL, SOLR, Machine Learning areas like Natural Language Processing, Data Mining, Recommendation Systems, Document Classification. I have rich experience in both writing functional scripts and system architecture design. See my portfolio below for a selection of projects I worked on. Over the last ten years I have developed hundreds of scraping scripts/applications and several custom topical search engines, including news search based on perspectives, recipe search for ingredients in the fridge and health conditions, IT job search for easy team building with complementary skills, dating and match-making website, etc. By learning about IR, I got good at SEO. And vice versa, by experimenting, reading papers and patents from Google, Yahoo, Microsoft, etc, optimizing dozens of websites, through SEO I learned a bit about IR as well :) I do SEO audit where I focus on crucial issues and changes with most impact and ROI. I brought several websites from 0 to 100k+ visits per month with on-page SEO and very little or no off-page SEO. In my keyword research I use six tools made by Google or based on Google data, three tools I developed (two using machine learning), and several other well know keyword tools. However, I do not overwhelm you with thousands of phrases found, but select only the top ones most useful for increasing rankings of your particular site based on its current SERP rankings. For the NetflixPrize competition I independently came up with a common sense approach to collaborative filtering, named by others 'Slope One'. I combine my algorithms and open source packages and add a bit of my own twist to them to solve the problems I encounter. In the spare time I work on researching and developing educational software and collaboration tools, and participate on specialized conferences with such inspiring people like collaborators of the late inventor of "The Mother of All Demos". My first web project was a graph based discussion forum for brainstorming, first one of the kind and, to the extent of my knowledge, dozen years later still the only one. Have done work with Multi Agent Simulations, and the emergence of complex patterns from simple behavior changes, including virus spreading. In addition to widely known ML / numeric libraries (NLTK, Scikit, NumPy, Gensim, etc.) I also use less known and proprietary NLP / ML packages. I can also help with cloud APIs like IBM Watson Natural Language Understanding, GPT-3, and others.
    vsuc_fltilesrefresh_TrophyIcon PostgreSQL Administration
    MySQL Programming
    PHP
    Gensim
    Data Mining
    PostgreSQL
    Search Engine Optimization
    SEO Keyword Research
    Machine Learning
    Python Scikit-Learn
    Python
    Java
    Natural Language Processing
  • $35 hourly
    I'm a software engineer originally from Chicago. I've been working full-time as a software engineer for the web space for over ten years, now looking to work freelance. I've done work in both frontend and backend software. I've got years of experience writing code in JavaScript and PHP. Within JavaScript, I'm proficient in React/Redux as well as vanilla JavaScript MySQL and PostgreSQL are my databases of choice. Most of the work I've done has been within an AWS ecosystem in some form or another.
    vsuc_fltilesrefresh_TrophyIcon PostgreSQL Administration
    React
    Node.js
    Redux
    React Native
    MySQL Programming
    JavaScript
    Object-Oriented Programming
    MySQL
    PostgreSQL
    GraphQL
    PHP
  • $35 hourly
    I specialize in end-to-end web and mobile application development, API design, and database management. My expertise extends to cloud-based solutions, DevOps, and version control. Whether you need a scalable business application, innovative integrations, or cutting-edge projects like home automation or cloud storage, I bring a wealth of experience to deliver exceptional results. Let's collaborate to bring your vision to life and stay ahead in the rapidly evolving tech landscape. Some Technologies I work with Languages: HTML, CSS, JavaScript, TypeScript, Python, Java, GoLang, C, C++, SQL Backend Frameworks/Tools: Node JS, Express JS, Gorilla Mux, Spring Boot, REST APIs, GraphQL APIs, Web Sockets Frontend Frameworks/Tools: React JS, React Native, Next JS, Redux, Tailwind CSS, Material-UI Databases: MongoDB, PostgreSQL, DynamoDB, DocumentDB, MySQL, Redis DevOps Tools/Frameworks: Serverless, Docker, Kubernetes, Amazon Web Services, Google Cloud Platform, Firebase, AWS Amplify Version Control: Git
    vsuc_fltilesrefresh_TrophyIcon PostgreSQL Administration
    Next.js
    Python
    Firebase
    Serverless Stack
    Make.com
    React Native
    Google Cloud Platform
    TypeScript
    Redis
    MySQL
    PostgreSQL
    MongoDB
    ExpressJS
    Node.js
    React
  • $65 hourly
    I am an analyst helping key stakeholders identify root causes to achieve desired outcomes. I utilize Excel, SQL, PowerBI, Python, and Tableau to communicate information through dashboards and presentations. I am passionate about experiential learning and feedback loops to drive outcomes. Additionally, I possess strong people management and training skills. I have collaborated with a team of four to manage multiple projects, conducted interviews, hired and onboarded staff, and conducted performance evaluations and corrective action plans. Furthermore, I have planned, coordinated, and executed three annual events with over 60 attendees each. This included vendor management, marketing promotions, and event itineraries. I am transitioning from education to technical support, aiming to leverage my skills to enable organizations to maximize efficiency and achieve their goals."
    vsuc_fltilesrefresh_TrophyIcon PostgreSQL Administration
    Google
    Online Instruction
    People Management
    PostgreSQL
    Microsoft Power BI Development
    Microsoft Power BI Data Visualization
    Analytics
    Visualization
    Tableau
    Python
    SQL
    Data Analytics
  • $50 hourly
    I’m a developer with years of experience in application design, construction, testing, and maintenance, with a focus on building features as ruby gems.
    vsuc_fltilesrefresh_TrophyIcon PostgreSQL Administration
    HTML
    Git
    RSpec
    PostgreSQL
    React
    JavaScript
    Ruby on Rails
  • $75 hourly
    I'm an experienced product manager, product analyst, and management consultant. I'm ex-Bain and ex-The Athletic (acquired for $550MM). I believe firmly in taking an ownership mindset into every engagement (what would I do if I owned this company?), and in bringing solutions and options even in challenging circumstances. - Expert across product management skillsets, specializing in B2C - Management and business consulting expertise, including strategy, insights, and analysis - Proficient at cross-functional team leadership & project management - Equally comfortable in SQL and Excel - Excellent communicator If you're not sure if I'm a good fit, feel free to reach out - I'd love to talk and would rather tell you it's not a good fit than take a project I'm not capable of!
    vsuc_fltilesrefresh_TrophyIcon PostgreSQL Administration
    MySQL
    UX & UI
    Customer Retention Strategy
    Customer Acquisition
    Cross Functional Team Leadership
    Product Roadmap
    Product Management
    Product Analytics
    Microsoft Excel
    Data Visualization
    Data Analysis
    Amazon Redshift
    PostgreSQL
    Management Consulting
    Business Consulting
  • $35 hourly
    Hello! I'm Yurii, and I am a Software Engineer 8+ years of experience in building and maintaining web applications. I have worked with different domains like eCommerce, fintech, healthcare and creating applications scratch and diving into an existing codebase. 🛠️Tech Stacks: - HTML, CSS, JavaScript, TypeScript - React, Next.js, Angular - Node, Express.js, Nest.js - Restful API, GraphQL - MongoDB, PostgreSQL, MySQL, Prisma - Git, Docker, AWS This is what employers say about me: ★★★★★ - Tarun K. | Pinnakl "Yurii is a very talented JavaScript developer. He will understand existing code, figure out the best implementation for the requirements and test out all the edge cases. His pull request did not require much feedback as they were always clean and good. He is also able to work in a highly demanding environment. Would hire him again" Thank you for your time I look forward to assisting you. Yurii Shevchuk
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    PostgreSQL
    NestJS
    Web Development
    Vue.js
    Angular Material
    Angular
    Next.js
    React
    AWS Amplify
    JavaScript
    TypeScript
    CSS 3
    Redux
    HTML5
    Node.js
  • $23 hourly
    Experienced Python web developer with a strong technical background and a year of experience in frameworks like Django ORM, Django Rest Framework, Flask, Aiohttp, FastAPI, and Tornado. Proficient in OOP, design patterns, TDD, and SOLID principles. Skilled in web development, data analysis, and machine learning. Proficient in PostgreSQL, SQLite, Redis, and MongoDB. Familiar with HTML, CSS, JavaScript, C/C++, SDLC, Agile concepts, and Docker/Git for version control. Feel free contact me: Telegram: pokrovetskyi_ E-mail: ihorpokrovetskyi@gmail.com
    vsuc_fltilesrefresh_TrophyIcon PostgreSQL Administration
    CSS
    HTML
    GitHub
    REST API
    Docker
    Git
    PostgreSQL
    Django
    Python
  • $30 hourly
    I’m a developer experienced in building new features and debugging code for web applications. Whether you’re trying to win work, list your services, or create a new online store, I can help. Knows Vue.js, React, Golang, Ruby, Python, jQuery, Wordpress, and SEO Regular communication is important to me, so let’s keep in touch.
    vsuc_fltilesrefresh_TrophyIcon PostgreSQL Administration
    API Integration
    HTML
    CSS
    jQuery
    Ruby on Rails
    Django
    Unit Testing
    API Development
    Golang
    React
    Vue.js
    Python
    PostgreSQL
    JavaScript
  • $17 hourly
    Just a Recent graduate trying to find income post covid. Grew up as a techie I have like studies but between the Internet and maker scene I had far more hands on experience in real world prototype circuit design. Maker space scene open hardware people from maker zine and New York maker space shaped my 20s Lady ada, Hak5(snubs), Diana Eng ( my fav), Colin. Learned from tetsu yatsu at Orlando FamiLab. While in community college, a directional antenna for Wi-Fi was part of the paper I wrote to get into University.. but FamiLab and maker space culture is more where I have learned than in school or internships.
    vsuc_fltilesrefresh_TrophyIcon PostgreSQL Administration
    Email Campaign
    Mailchimp
    Arduino
    KiCad
    Electrical Engineering
    Circuit Design
    Python
    Microsoft Excel
    PostgreSQL
    Data Entry
    Social Media Marketing
    Social Media Marketing Plan
    Social Media Advertising
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