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Aleksandr A.
Dubai, United Arab Emirates
CTO with 20+ years of exp in IT. Deep knowledge of middle east and Europe specifics. Built B2B and B2C global financial services from scratches. Launched multiple projects and startups. Managed team of 100+ employees. Most recent project - earn.network - non custodial global staking solution
Agile / Team Management / Stakeholders communication / Evaluation / Strategic planning
JS / TS / Nest.js / SQL / Mongo / K8s / Elixir / Phoenix / React / Next.js / Flutter / Web3 / AI
💎 Recent accomplishments:
🔥 Executed and strategically planned B2C and B2B non-custodial staking solution from scratch: client / business dashboard, staking pools CRUD, liquidity, utility token. Managed team of 20, emerging agile best practices. Technologies used: Nest.js, Next.js, Typescript, PostgreSQL, Solidity, GraphQL. Result: $15 mln+ TVL and mass adopted product.
🔥 Engineered a highly scalable and reliable IT infrastructure for all company services: bare metal servers with Kubernetes clusters, DB replica sets, and AWS Cloudfront, Cloudflare, HahsiCorp Vault sitting on top of that.
Result: 0 downtime, data leaks and breaches.
🔥 Engineered and executed a revolutionary solution for connecting niche and lesser-known cryptocurrency wallets, pioneering a seamless user experience on both mobile and desktop platforms. This innovation filled a critical gap in the market, resulting increase in wallet interactions.
🔥 Created and expanded team to almost 100 people (interviewed, hired, evaluated), then together we engineered and delivered multiple projects. Result: moved from monolith to microservices (Docker, dotnet, elixir, javascript, typescript) and microfrontends (lit, later react federation) architecture; cashback, mining, auto withdrawals, referral system, nodes deployment, mobile app for iOS and Android and more.
🔥 Created ML based fraud detection system for on chain big data analytics, AML and KYC system, integrated it on top of 3rd party solution. Result: 100% compliance for company in tightening European regulations and worldwide.
🔥 Together with colleague developed several startups leveraging AI and promo engineering. Technologies used: Elixir (PETAL stack), ChatGPT 4, 4o, 4o-mini. Results: all startups failed in finding the right PMF, but was a lot to learn along the road
📚 Team management experience using world best practices: agile, waterfall. Various tech skills set: frontend / backend developer, cybersec, devops, administration, assets management, layouts, design. 20+ years in tech.
⚙️ Techs and stacks list:
TypeScript, JavaScript, Elixir, PHP, Dart, Nest.js, Phoenix, LiveView, LiveView Native, Symphony, MongoDB, SQL (PostgreSQL, MySQL, SQLite), Flutter, React Native, React, Next.js, lit, Vue, Svetle, StyledComponents, Tailwind, AWS EC2, Cloudfront, Playfab, S3, EKS, RDS, lambda, Azure, Google Cloud (BigQuery), Kubernetes, Docker, bare metal servers (Linux, OS X, Windows), blockchain, web3 (Ethereum EVM, Tron TVM, Solana SVM, Substrate), crypto currency nodes, LLaMa, GPTs and many more.
🔑 APIs: REST, GraphQL, JSONRPC, WebSockets based, Telegram, gRPC
- Unix
- Cryptocurrency
- API Development
- DevOps
- Node.js
- React
- MongoDB
- Docker
- TypeScript
- Elixir
- Phoenix
- NestJS
- Kubernetes
- Amazon
- Flutter
- Front-End Development
Sumit M.
Hackensack, United States
My core service offerings focus on fully supporting the accounting and analytics needs of growing businesses. I work with businesses of all sizes to utilize financial and operational data to make informed decisions. If you need insights into what is going on with your business and developing a strategic plan for growth, then I can help.
About me :
- Data Science Expert - Tableau and Power BI Projects with experience of 8+ years
- Expert in PowerBI and Tableau Visualizations
- Expert in Microsoft Excel, Pivot Tables, and Macros
- Create programs to analyze and visualize any data
- Data sourcing using APIs and SQL queries
- Expert on working with different databases like Teradata, SQL Server, Netezza, Postgre, MySQL and cloud-based DB like AWS Redshift, Aurora, GCP suite.
- Expert in Quantitative analysis
- Experimental analysis techniques
- Predictive Modeling
- Data Mining
- Social Network Analysis
- Regression and Classification Models
- Advanced Excel including Pivot Tables, and Macros
I believe a picture is worth a thousand numbers and pride myself on creating easy to understand visuals that provide insights into the financial and operational activity of businesses. I am forward thinking and help clients understand where they stand today so that they may develop realistic expectations for the future. I look forward to earning your business!
- Unix
- Microsoft Excel
- Tableau
- SQL
- Snowflake
- API
- MySQL
- Data Modeling
- Microsoft Power BI Data Visualization
- Data Visualization
- ETL
- BigQuery
- Amazon Redshift
Vivekk J.
Chennai, India
• Having more than decade of work experience with data.
• 11 plus years of strong work experience in Informatica tools.
• Good experience in Powercenter, IICS, DEI/BDM, IDQ, EDC, Axon and CDGC.
• Extensively worked with different data sources: non-relational sources such as delimited and fixed width flat files and relational sources like Oracle, Snowflake and Sales Force
• Had Experience in Data Modeling using Star/Snowflake modeling, Fact and Dimension tables.
• Good exposure in Data Warehousing concepts and creation of logical and physical models
• Had knowledge on Kimball/Inmon methodologies.
• Familiar with UNIX command and shell scripting.
- Unix
- Informatica
- SQL
- Snowflake
- Hive
- Axon
- Informatica Cloud
- Informatica Data Quality
- Data Warehousing & ETL Software
- Data Warehousing
Bright B.
Edmonton, Canada
I am a seasoned AI/ML developer proficient in Python, specializing in the creation and deployment of machine learning models. I have a wealth of experience in data preprocessing and feature engineering, utilizing frameworks such as TensorFlow and PyTorch to deliver optimal results.
With a keen aptitude for problem-solving and analysis, I have successfully developed deep learning models achieving state-of-the-art accuracy in image classification tasks.
Additionally, I have implemented natural language processing systems for sentiment analysis, providing valuable insights for decision-making.
My contributions to the development of recommendation engines have significantly enhanced user engagement and sales metrics. I am highly collaborative and have extensive experience deploying models into production systems.
Skills:
Programming: Python, JavaScript, Vue.js
Web Frameworks: Django
AI/ML Libraries: TensorFlow, Keras, scikit-learn
Data Manipulation: NumPy, Pandas
Visualization: Matplotlib
Computer Vision: OpenCV
Looking forward to working with you on your next project.
- Unix
- Computer Vision
- Natural Language Processing
- pandas
- Data Science
- Deep Learning
- Machine Learning
- Python Scikit-Learn
- Python
- TensorFlow
- Generative AI
- Django
- JavaScript
- Node.js
- C
Ivan S.
Phuket, Thailand
Software / ML / AI Engineer with a strong math and computer science background. Addresses complex challenges with maintainable, scalable solutions. Emphasizes clean code and robust documentation. Proficient in functional, logic, and OOP paradigms. Author of the open-source library in Haskell, advancing ML in functional programming.
- Unix
- Machine Learning
- Python Scikit-Learn
- C++
- NumPy
- Python
- SQL
- C
- Haskell
- Git
- RESTful API
- Django
- PostgreSQL
- Algorithm Development
- GPT-4
Rafik H.
Soliman, Tunisia
Got a website/API/SaaS/ChatBot project? I can help you conceptualize, plan, implement and deliver solutions and work on any part of the software lifecycle, from inception to deployment. 🔁
As an expert Backend Engineer, I am eager to help clients with solution architecture, requirements, implementation, deployment, and cloud infrastructure.
I have experience with the following:
✅ Python, Flask, Fast API, Django, Tornado, Ruby on Rails
✅ PostgreSQL, MongoDB, Apache Kafka, Redis, InfluxDB
✅ C++, Qt, Java, Bash scripting
✅ HTML, CSS, Javascript, Typescript, Node.JS, Svelte, Sveltekit, TailwindCSS
✅ AWS, Microsoft Azure, Heroku, GitHub Actions
✅ Microservices
✅ Kubernetes, AWS EKS, Pulumi
I also have a background in competitive programming, with 5 years of experience, and participations in international competitions 🌍 I love solving challenging problems, creative thinking, and learning new solutions.
- Unix
- C++
- Java
- C
- Python
- Data Structures
- Probability Theory
- Database
- Front-End Development
- Algorithm Development
- Telegram API
- RESTful API
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