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Senior Data Scientist with expertise in machine learning, natural language processing, information retrieval, and data engineering.
Extensive experience in developing advanced algorithms and solutions across various industries.
And, years of tutoring experience!
Embark on a transformative coding journey with me, a visionary computer science expert and a passionate mentor, bringing over two decades of rich expertise in the dynamic realms of programming, data science, and software architecture.
My technical skills span across a broad spectrum, including mastery in programming languages like Python, Java, C++, C, and Scala, along with a profound understanding of algorithms, data structures, and the complex art of software design. My research interests include big data analysis, semi-stream join algorithms, and real-time data warehousing. As a mentor, I've illuminated the path for students globally, from prestigious universities in the USA, Australia, Canada, and the UK, in a vast array of subjects from Big Data Analytics to Cyber Security, and advanced programming languages. Currently, I am a lecturer of Computer Science at a Higher Education Institute. My academic prowess is underscored by a **PhD** in Computer Science, with my doctoral thesis titled: "Integrated Real-Time Distributed Stream-Disk Processing Architecture for Unstructured Big Data". Join me on codementor, where together, we'll navigate the intricacies of technology, unleashing the potential to innovate, solve real-world problems, and excel in your programming career.
👋 Hi, I’m Vivek—a Senior Python Backend & Automation Engineer with 6+ years of experience helping clients build, debug, and optmize backend systems, APIs, and data workflows.
I help clients:
🚀 Python backend development (Django, FastAPI) from scratch to deployment).
🧠 Automate business workflows using Python, Pandas, NumPy, SQL, and Excel.
🌐 REST/GraphQL API design, integration & debugging
⚙️ ETL pipelines, data processing & workflow automation (Pandas, SQL)
🧪 Unit testing, performance tuning & production issue fixing
👨🏫 Code reviews, mentoring & problem-solving support
I have 8 years of professional experience with software development mostly with Ruby on Rails, React and AWS. In my latest role as a staff software engineer I had the responsibility of keeping our platform performant and resilient while guiding a cross-funcional team of software engineers, designers, and product members to achieve company wide goals.
Hello
I have been working in the market for the past 10 years.
in the field of Database, SQL, Oracle, SQL Server, MySQL, NOSQL,DWH,ETL ,reporting and BI tools.
Have knowledge of multiples domain areas
such as Finance & banking ,Telecom, health care, Tax & Legal and FMCG
Antonio is a programmer with over two decades of experience in the FinTech and Telecom industries. He aspires to be a master of C#, SQL, React, NextJS Typescript. He values curiosity, resourcefulness, and honesty. His hobbies include hiking, photography, meat, driving, and exploring medieval structures
I am an expert Data Engineer having 10 years of experience with exposure on in-house, hybrid & AWS, GCP cloud services. I hold **Data Architect Nanodegree from Udacity**. My Primary skills include -
- Languages - Python, PHP, Ruby, Javascript, HTML, CSS
- Packages - PySpark, Pandas, Numpy, Flask, Jquery, Bokeh
- Tools - Spark, Hadoop, Hive, Mysql, Postgres, Airflow
- File Formats - json, csv, txt, Parquet
- GCP - Cloud functions, DataProc, Bigquery, GCS
- AWS - Lambda functions, API Gateway, Athena, Cloudwatch, Glue, DataBrew, Kinesis, S3, Redshift, Redshift Spectrum, SNS, SQS
I mostly worked on developing, maintaining, optimising ETL/Data pipelines, used variety of tools & process during pipeline execution. Apart from building pipelines i holds good hands on building custom scripts or solutions.
I am a quick learner & having positive mindset which helps me to tackle a complex problem in easy way. During my experience i optimised numerous pipelines where improved time by ~70% & saved cost with magnitude of 10th part.
If you are looking for any help in learning, solving complex data problem, you are at right place. I am happy to help here.
Thanks.
I drive revenue. All other metrics pale in comparison.
Be it billion dollar brands or startups, I've spent the last two decades architecting technology solutions and innovative search marketing strategies (domestic & international) for e-commerce. I believe in the power of 'what if?'; leveraging hybrid expertise in search engine optimization (SEO), web development, e-commerce, and digital strategy to achieve extraordinary results.
My core competencies include search engine optimization (SEO), search marketing strategy, data wrangling (NLP/computational ontologies), and e-commerce marketing automation.
As founder and CTO of MarketKarma, I oversee organic search strategy for all enterprise accounts and work to create innovative solutions to assist retailers in tackling their online marketing challenges.
I work with brands like..
Ace Cash Express, Athleta, Banana Republic, Blackhawk Network, Blockbuster, Buckle, CheapCaribbean, CheckPast, DashFly, Diesel, DistroMex, Ebates, Eddie Bauer, Fossil, GUESS, Gap, GiftCardMall, Gold's Gym, Horchow, JCPenney, Livingston Lures, Marciano, Mavis Tire, Mavor Lane, Old Navy, Orbitz, Oriental Trading Company, PacSun, Piperlime, Red Envelope, Ritter Dental, SPFM LP, Sacha Cosmetics, ShearComfort, Smart Bargains, Swanson Health, Williams-Sonoma
Connect with me @:
Email: joey@marketkarma.com
Call: (888) 277-0225
Web: https://www.marketkarma.com
Social: https://joeyburzynski.dev
Connect: https://calendarhero.to/JoeyBurzynski
AngelList: https://angel.co/u/joeyburzynski
CoderRank: https://profile.codersrank.io/user/joeyburzynski
CodePen: https://codepen.io/JoeyBurzynski
Quora: https://www.quora.com/profile/Joey-Burzynski
Quora Spaces: https://optimization.quora.com/
LinkedIn: https://www.linkedin.com/in/miamibeachseo/
Fast Company: https://board.fastcompany.com/profile/Joey-Burzynski-Founder-CTO-MarketKarma/12629614-d0b7-4a8c-8076-5be2166473a0
Forbes: https://profiles.forbes.com/members/tech/profile/Joey-Burzynski-Founder-CTO-MarketKarma/72b6886c-bd96-4988-ad8b-14287a291009
GitHub: https://github.com/JoeyBurzynski
Gist: https://gist.github.com/JoeyBurzynski
Google: https://g.dev/EcommerceSEOExpert
LinkTree: https://linktr.ee/joeyburzynski
Medium: https://medium.com/@joeyburzynski
ORCID: https://orcid.org/0000-0002-7448-8294
StackOverflow: https://stackoverflow.com/users/3767344/joeyburzynski
Twitter: https://twitter.com/JoeyBurzynski
If you've gotten this far you're on the right track and have come to the right place. As a serial entrepreneur, passionate about spreading knowledge and guiding others, It would be my pleasure to help whoever might need it. I have a soft spot for budding Software Engineers, and because of that I make it my mission to help you grow.
Whether it's help with course work or complex web development projects, I'm here to help in any way I can!
Look forward to working with you!
Rich
Hi!
My name is Jordi, I'm from Mexico and I'm a BI/DW professional with over 17 years of experience. I have a master degree in Business Intelligence by the Univesity of Barcelona and a batch of relevant training in this field.
I have worked with several BI tools like QlikView, Tableau, Artus and during this last five years I have been working with Power BI.
I have experience as an ETL analyst/developer and most of my experience is using MS SQL Server DTS/SSIS tools. I possess good knowledge in dimensional modelling using Kimball's approach. I have plenty of experience in data analytics, integration & visualization.
All this experience has been obtained while working for big US companies like Jhonson Controls, Mohawk Industries/Daltile and medium size companies here in Mexico.
How to hire a freelance ETL developer on Codementor
STEP 1
Post a ETL request
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STEP 2
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Use our messaging feature to instantly chat with freelance ETL developers around the world.
STEP 3
Hire the best ETL freelancer
Choose the best freelance ETL developer that meets your needs.
Frequently asked questions
How long do ETL projects normally take?
The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance ETL project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance ETL request on Codementor, check out our article.
How much does it cost to hire a freelance ETL developer?
We don’t charge anything when you post a freelance hiring request for ETL developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.
What makes Codementor ETL developers different?
We do a comprehensive technical and communications screen of all ETL developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing ETL developers’ user satisfaction rates.
What happens if I’m not happy with the freelancer’s work?
As a platform, we strive to ensure you’re always happy with your ETL project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.
For more answers to frequently asked questions, see here.