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  • $35 hourly
    • 5.0/5
    • (12 jobs)
    I have 18+ years of experience in software development in Telecom, Banking, and Healthcare domains. Primary skillsets include Big Data eco-systems (Apache Spark, Hive, Map Reduce, Cassandra), Scala, Core Java, Python, C++. I am well versed in designing and implementing Big data solutions, ETL and Data Pipelines, Serverless and event-driven architectures on Google Cloud Platform (GCP), and Cloudera Hadoop 5.5. I like to work with organizations to develop sustainable, scalable, and modern data-oriented software systems. - Keen eye on scalability, sustainability of the solution - Can come up with maintainable & good object-oriented designs quickly - Highly experienced in seamlessly working with remote teams effectively - Aptitude for recognizing business requirements and solving the root cause of the problem - Can quickly learn new technologies Sound experience in following technology stacks: Big Data: Apache Spark, Spark Streaming, HDFS, Hadoop MR, Hive, Apache Kafka, Cassandra, Google Cloud Platform (Dataproc, Cloud storage, Cloud Function, Data Store, Pub/Sub), Cloudera Hadoop 5.x Languages: Scala, Python, Java, C++, C, Scala with Akka and Play frameworks Build Tools: Sbt, Maven Databases: Postgres, Oracle, MongoDB/CosmosDB, Cassandra, Hive GCP Services: GCS, DataProc, Cloud functions, Pub/Sub, Data-store, BigQuery AWS Services: S3, VM, VM Auto-scaling Group, EMR, S3 Java APIs, Redshift Azure Services: Blob, VM, VM scale-set, Blob Java APIs, Synapse Other Tools/Technologies: Dockerization, Terraform Worked with different types of Input & Storage formats: CSV, XML, JSON file, Mongodb, Parquet, ORC
    Featured Skill Apache Cassandra
    C++
    Java
    Apache Spark
    Scala
    Apache Hadoop
    Python
    Oracle PLSQL
    Apache Hive
    Cloudera
    Google Cloud Platform
  • $40 hourly
    • 5.0/5
    • (7 jobs)
    I help businesses build high-performance, scalable applications using C#/.NET, ASP.NET Core, and cloud-native technologies. With 22+ years of experience in .NET Fullstack Development, Microservices Architecture, and DevOps, I specialize in designing robust, maintainable, and future-ready enterprise solutions. As a Microsoft-certified Azure Developer & DevOps Expert, I ensure efficient cloud adoption, automation, and seamless integration. I have extensive experience in Azure, where I leverage cloud-native technologies to architect resilient, cost-effective applications. Specializing in Azure, I design scalable microservices, build high-availability APIs, and implement automated CI/CD pipelines to ensure seamless integration and continuous delivery. Additionally, my hands-on experience with AWS allows me to apply similar best practices to deliver solutions that align with business goals and scale efficiently across cloud environments. Why Choose Me? ✅ Top Rated+ Freelancer with 2000+ Upwork hours ✅ Enterprise-Grade Expertise in Cloud-Native & Distributed Systems ✅ .NET Fullstack: ASP.NET Core, C#, Blazor, Angular, React ✅ Microservices & APIs: Web API, GraphQL, gRPC, Event-Driven Architecture ✅ Databases: SQL Server, PostgreSQL, MongoDB, CosmosDB, Cassandra ✅ Cloud & DevOps: Azure, AWS, Kubernetes, Docker, Terraform, CI/CD Pipelines ✅ Software Best Practices: Clean Architecture, SOLID, DDD, CQRS ✅ Performance Optimization: Caching, Database Tuning, API Efficiency ✅Agile & Collaborative – Transparent workflow, clear communication, and timely delivery How I Can Help You: 🔹 Architect and develop high-performance enterprise applications 🔹 Migrate monolithic apps to modern microservices 🔹 Design & implement scalable APIs with Web API, GraphQL, and gRPC 🔹Enhance cloud infrastructure & DevOps workflows with Azure, AWS, Kubernetes, and CI/CD 🔹 Provide expert consulting on .NET, Microservices, and Cloud Architecture Let's Work Together! I am committed to delivering value-driven solutions tailored to your needs. Let’s discuss your project and take it to the next level! 🚀
    Featured Skill Apache Cassandra
    Azure OpenAI Service
    Software Architecture & Design
    Azure App Service
    Azure Cosmos DB
    React
    MQTT
    GraphQL
    Blazor
    Microservice
    Azure DevOps
    Microsoft SQL Server
    ASP.NET Web API
    ASP.NET Core
    C#
  • $25 hourly
    • 4.9/5
    • (32 jobs)
    I’ve 12+ years of full-stack development experience. I have extensive experience in both front end development as well as back-end development. Here's my area of expertise: Technology Platforms ★ LLM Integration ★ LangChain ★ Custom PHP ★ Python ★ WordPress ★ WooCommerce ★ Laravel ★ NodeJS ★ CodeIgniter ★ Yii ★ PHP ★ ChatGPT Database ★ MySQL ★ MongoDB ★ Cassandra ★ HBase ★ Oracle Front End Technologies that I master in: ★ HTML5 ★ CSS ★ JavaScript ★ Angular/ AngularJS ★ ReactJS ★ VueJS AI (Artificial Intelligence) ★ Computer Vision Application Development ★ Custom Object Detection (by training the system with custom objects) ★ Deep Learning ★ Voice Processing ★ Image Processing ★ LLM integration ★ ChatGPT integration ★ Gemini 2.0 integration ★ Dall E Integration for image generation Functional Feature Development and API integration ★ Booking and Payment ★ Data Scraping ★ Subscription and Membership ★ Payment Gateway Integration ★ Shopping cart customisation ★ Inventory management and Inventory Automation ★ Flight Status, Flight Booking and Flight Tracking ★ Product synchronisation using RESTful API services ★ Payout Management ★ Chatbot Integration ★ Stock Market Data ★ IDX Real Estate Property Listing ★ WooCommerce based plugin development ★ WooCommerce customisation I am well-versed with RESTful API services (API integration), data scraping using Python and developing custom forms which are dynamic. I have worked with the following API: ★ ChatGPT API ★ Claude API ★ LLM API ★ Roadie API ★ Ingram API ★ Synnex API ★ Apple Weather Kit API ★ Stripe API ★ Plaid API ★ ChatGPT API ★ Assistants API ★ OpenAI API ★ Coupons ★ Affiliation My sole focus is to deliver projects as per the client’s expectations and find my success.
    Featured Skill Apache Cassandra
    API
    WordPress Development
    Shipping Plugin
    WooCommerce
    Django
    TypeScript
    NGINX
    Bootstrap
    Angular
    WordPress
    Python
    PHP
  • $25 hourly
    • 5.0/5
    • (30 jobs)
    Hi I am an experienced Python and Golang Developer I am looking for full-time opportunities I am also willing to give test if required for the position Thanks
    Featured Skill Apache Cassandra
    Python
    Golang
    MongoDB
    API Development
    Heroku
    Flask
    Keras
    Machine Learning
    Computer Vision
    Deep Learning
    Machine Learning Model
    C++
    Deep Neural Network
  • $50 hourly
    • 5.0/5
    • (3 jobs)
    Over 9+ years of experience in the IT industry, specializing in DevOps and Site Reliability Engineering (SRE) principles * End-to-end project management * Experience in implementing highly Availability kubernetes clusters focusing stateful workloads. * Experience with both on-premise and cloud infrastructure. * Experience in managing k8s clusters with 300+ nodes and 3000+ pods. * Experience in managing Elasticsearch on Kubernetes (ECK) with 1200+ nodes. * Experience with setting up highly available observability platforms * Experience in setting up kafka clusters for streaming 1M events/second * Passionate about Linux systems * Experience with ArgoCD, CI/CD, terraform, ansible, puppet, vault, consul
    Featured Skill Apache Cassandra
    CI/CD
    Microsoft Azure
    Azure DevOps
    Docker
    Linux
    NoSQL Database
    Grafana
    Prometheus
    Redis
    Elasticsearch
    Datastax Cassandra
    Apache Kafka
    Python
    Kubernetes
  • $70 hourly
    • 4.7/5
    • (7 jobs)
    I have 12+ years of hands on in Big data technology based on Scala Framework. Designed Architecture for several projects. Also, I'm proficient in Akka , spark and this technology has currently a priority in my area of interests. Experienced multiple Domains. My Skill set include - Scala, AWS, Angular 2+ Scala stack: - Akka - Play Framework - Spray (Akka IO) - Spark - Play Env tools: - PostgreSQL / MongoDB / ElasticSearch - RabbitMQ - Kafka Front-end technologies: - Angular 2+ I am GCP certified and have hands-on experience with multiple cloud providers, including GCP, AWS, and OpenShift. I have been working on AWS services for several years, and my recent projects include: Building Terraform modules to build CI/CD pipelines with AWS CodePipeline 1. Designing and developing software applications 2. Automating and managing infrastructure with Terraform 3. Deploying and operating applications in the cloud 4. Working with a variety of cloud technologies, including AWS, GCP, and OpenShift I am passionate about security and cost optimization, and I believe this sets me apart from other consultants. I am always looking for ways to improve the security of my client's systems and reduce their costs. I am a highly skilled and experienced IT professional with a passion for cloud computing. I am confident that I have the skills and knowledge necessary to be a valuable asset to your team. My focus is on building practical business solutions and looking for opportunities to expand my knowledge and take part in projects that present a challenge. Dedicated to exceeding your expectations with highest-quality solutions, delivered on time and to your precise needs.
    Featured Skill Apache Cassandra
    Angular 4
    Scala
    Akka
    Apache Spark
    Apache Kafka
    MongoDB
  • $35 hourly
    • 5.0/5
    • (32 jobs)
    Seasoned data engineer with over 11 years of experience in building sophisticated and reliable ETL applications using Big Data and cloud stacks (Azure and AWS). TOP RATED PLUS . Collaborated with over 20 clients, accumulating more than 2000 hours on Upwork. 🏆 Expert in creating robust, scalable and cost-effective solutions using Big Data technologies for past 9 years. 🏆 The main areas of expertise are: 📍 Big data - Apache Spark, Spark Streaming, Hadoop, Kafka, Kafka Streams, Trino, HDFS, Hive, Solr, Airflow, Sqoop, NiFi, Flink 📍 AWS Cloud Services - AWS S3, AWS EC2, AWS Glue, AWS RedShift, AWS SQS, AWS RDS, AWS EMR 📍 Azure Cloud Services - Azure Data Factory, Azure Databricks, Azure HDInsights, Azure SQL 📍 Google Cloud Services - GCP DataProc 📍 Search Engine - Apache Solr 📍 NoSQL - HBase, Cassandra, MongoDB 📍 Platform - Data Warehousing, Data lake 📍 Visualization - Power BI 📍 Distributions - Cloudera 📍 DevOps - Jenkins 📍 Accelerators - Data Quality, Data Curation, Data Catalog
    Featured Skill Apache Cassandra
    SQL
    AWS Glue
    PySpark
    ETL Pipeline
    Apache Hive
    Apache NiFi
    Apache Kafka
    Big Data
    Apache Hadoop
    Scala
    Apache Spark
  • $60 hourly
    • 5.0/5
    • (7 jobs)
    Senior Software Engineer with 7 years of experience in functional programming, machine learning, AI & BigData. Also got front-end experience building websites and tools.
    Featured Skill Apache Cassandra
    Functional Programming
    React
    Big Data
    Apache Kafka
    Akka
    Amazon DynamoDB
    Databricks Platform
    Machine Learning
    Apache Spark
    Python
    Scala
    JavaScript
  • $49 hourly
    • 5.0/5
    • (2 jobs)
    1) Kubernetes expert (CKA, CKAD & CKS Certified) with highly scalable Cloud Native Applications Development. 2) DevSecOps pipelike set up . Application containerization . 3) AWS Solutions Architect with 4x Certifications. 4) 18+ Years of experience in Application Development, Designing Highly Scalable Cloud Native Applications on AWS platform. 5) Ex-AWS/Amazon Employee 6) Python AWS Developer . 7) Data Engineering , LLM , SLM , RAG, LangChain, LlamaIndex
    Featured Skill Apache Cassandra
    Datastax Cassandra
    Data Engineering
    Serverless Computing
    AWS CodePipeline
    Databricks Platform
    CI/CD
    Docker
    DevOps Engineering
    Kubernetes
    Python
    Amazon Web Services
  • $35 hourly
    • 5.0/5
    • (2 jobs)
    I am a dedicated software engineer with a proven track record in building websites tailored for small and medium-sized businesses. Whether the goal is to secure new clients, showcase services, or establish an online store, I bring a wealth of experience to the table. My expertise lies in backend development, and I specialize in crafting scalable systems using cutting-edge technologies, including Java, Spring Boot, MySQL, MongoDB, Cassandra, Kubernetes, CI/CD pipelines, and authentication protocols like JWT. Committed to staying ahead in the rapidly evolving tech landscape, I ensure that the solutions I develop not only meet current needs but also anticipate future trends. My innovative approach, coupled with technical proficiency, has consistently contributed to the success of startup ventures. 1. Proven expertise in backend development with a focus on scalability. 2. Proficient in Java, Spring Boot, MySQL, MongoDB, Cassandra, Kubernetes, CI/CD pipelines, and JWT authentication. 3. Extensive experience in crafting websites for small and medium-sized businesses. 4. A track record of success in contributing to the growth of startup ventures. Dedication to staying abreast of the latest technological advancements to create future-ready solutions.
    Featured Skill Apache Cassandra
    CI/CD
    OAuth
    Redis
    MongoDB
    API Development
    API
    Python
    Kubernetes
    Apache Kafka
    MySQL
    Back-End Development
    Java
    Spring Boot
  • $40 hourly
    • 4.9/5
    • (27 jobs)
    Database Administrator (Oracle/MySQL/MariaDB/SQLServer/PostgreSQL), SaaS DBA/DevOps -- Hands-on experience as DBA in MySQL/MariaDB, Galera Cluster, SQLServer, PostgreSQL/Cassandra -- Hands-on experience with AWS (RDS, EC2, S3), Azure, GCP -- Maintaining k8s clusters and infrastructure in AWS, GCP and Azure -- Experience as DB Chief Architect in fin-tech and SaaS based product firms. --Expertise in Terraform, Docker, Kubernetes Skill Set : Oracle, MySQL, Azure, MSSQL, PostgreSQL, MongoDB, Aurora, SSIS, AWS EC2, RDS, S3, CloudWatch, Unix, Linux, Windows, Shell Scripting, PL/SQL, TSQL Support experience: 24x7 on-call support and issue-resolution
    Featured Skill Apache Cassandra
    Perl
    Amazon EC2
    DevOps
    Amazon RDS
    Microsoft Azure
    Unix Shell
    Amazon S3
    Microsoft SQL Server Administration
    Amazon Aurora
    PostgreSQL
    MariaDB
    MySQL
    MongoDB
    Microsoft SQL Server
  • $60 hourly
    • 4.5/5
    • (8 jobs)
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    Featured Skill Apache Cassandra
    Vertica
    Amazon EC2
    Microsoft SQL Server Administration
    NoSQL Database
    Microsoft Azure
    Microsoft SQL Server Programming
    Apache Hadoop
    SQL
    MongoDB
  • $47 hourly
    • 4.8/5
    • (21 jobs)
    I am a Software/Big Data Engineer with 9+ years of experience in building highly scalable and robust applications. I am your one stop solution for end-to-end Software and Big Data solutions. ☆ Software Areas: - Developing scalable and quality applications (with best practices) - Test Driven Development (great test coverage) - Deployment using best practices (complete DevOps) - Continuous Integration and Delivery ☆ Big Data Ecosystem: - Data Engineering - Data Streaming & Processing - Data Warehousing - ETL Development - Data Sciences & Machine Learning - Analytics & Dashboarding ☆ Core Languages Python, Ruby, Scala, NodeJS, Golang, Java, Javascript, PHP, R, Shell, SQL ☆ Framework/Libraries Ruby on Rails, ExpressJS, Flask, Sinatra, CodeIgniter, Bootstrap, Django. ☆ Big Data and NoSQL Expertise - Databases: Hadoop, Cassandra, Datastax Enterprise, MongoDB, Redshift, RDS, DynamoDB, Hive, Redis, Memcache, HBase. - Frameworks: Apache Spark, Amazon EMR, Airflow, Pentaho, PrestoDB - Streams & Brokers: Apache Kafka, RabbitMQ, Amazon SQS, ZeroMQ, Kinesis - Others: ECS, Beanstalk, Nutch, Solr, Mahout. ☆ Cloud Platforms Amazon Web Services (AWS), Google Cloud, Docker, DigitalOcean, Heroku, OpenStack. ☆ Mobile & Apps Android Native, Ubuntu Apps, Windows Apps, Chrome Extensions. I am also a great Consultant, Tech Lead & Manager. I promise quick turnaround times and great customer service!
    Featured Skill Apache Cassandra
    Data Management
    Web Development
    Big Data
    Data Science
    Machine Learning
    Amazon Web Services
    Ruby on Rails
    Python
    Apache Spark
  • $80 hourly
    • 5.0/5
    • (35 jobs)
    🚀 Elevating Data for a Brighter Tomorrow 🌐 📊 Data & AI Enthusiast | Architect | Innovator 🔗 Let's Connect and Transform the Data Landscape Together 🌟 About Me: I'm not your typical Data Architect. I'm a relentless seeker of elegant solutions in the labyrinth of data. With over a decade of software development experience, my journey has been a relentless pursuit of harnessing the power of data to shape the future. 💡 My Path: I've always been drawn to the intersection of technology, innovation, and data. Over the years, I've sculpted a career marked by: 🔹 Deep Domain Knowledge: A versatile architect with an unquenchable thirst for understanding diverse domains. Experienced in most domains, I've dived deep into the essence of industries. 🔹 Innovation Incarnate: I thrive on redefining the limits of what's possible. In R&D, I've crafted innovative software designs and solutions that change the game. 🔹 Technology Savvy: My toolkit boasts cutting-edge technologies - Scala, Python, Akka, Spark, Kafka, AWS, GCP, and more. It's not about the tech; it's about what we can achieve with it. 🔹 Architectural Vision: Actively shaping high-level and low-level design decisions, I'm the maestro behind the symphony of architecture. 🔹 End-to-End Expertise: My journey spans from network infrastructure to the cloud, from code to deployment. Versatility is my middle name. 🌌 My Vision: My career is a quest to conquer the data cosmos. I'm not just solving problems; I'm crafting solutions to real-world challenges. The thrill of making technology serve humanity fuels my passion. 🌎 The Future Beckons: In a world awash with data, I'm your guide to unlock its potential. If you're ready to embark on a journey where data isn't just a tool but a game-changer. Let's Connect.
    Featured Skill Apache Cassandra
    Amazon Web Services
    Google Cloud Platform
    Data Integration
    Scala
    ETL Pipeline
    Python
    Big Data
    Snowflake
    Database Architecture
    BigQuery
    Apache Spark
    Data Science
    Apache Kafka
    Machine Learning
  • $35 hourly
    • 5.0/5
    • (2 jobs)
    Have extensive experience in design and development of web-applications, microservices and APIs in GIS and crypto domain. Languages: JavaScript, PHP, TypeScript, Java, C# Database: Cassandra, MySQL, PostGre with PostGIS and pgRouting, Oracle with ArcSDE GIS APIs and Platforms: Google Maps, OpenLayers, Leaflet, ArcGIS Server, Cesium JS Crypto-currency: Kraken, Blockcypher, Blockchair, Infura, Etherscan, Bitcoin RPC API AWS Services: Lambda wiht NodeJS, API Gateway, EventBridge, EC2, VPC, AWS Pinpoint, S3
    Featured Skill Apache Cassandra
    Web Application
    Leaflet
    PostGIS
    PostgreSQL Programming
    Cesium
    GIS
    Google Maps API
    Apache Kafka
    PHP
    TypeScript
    Java
    JavaScript
    MongoDB
    MySQL
  • $20 hourly
    • 5.0/5
    • (7 jobs)
    I am a full stack developer, having expertise in Data Extraction, Data mining, Web Scraping, MYmta, LangChain having more than overall 7+ years of experience. Responsibilities: 1) Data Extraction: - Identifying and understanding relevant data sources within the organization or on external platforms. - Designing and implementing efficient methods for extracting data from various sources, such as databases, APIs, websites, or other data repositories. - Ensuring data extraction processes are accurate, reliable, and scalable. - Handling data transformation and integration tasks to consolidate extracted data for further analysis. 2) Data Mining: - Applying data mining techniques, algorithms, and statistical methods to analyze large datasets and identify meaningful patterns, trends, or relationships. - Conducting exploratory data analysis to uncover insights and formulate hypotheses. - Developing and implementing predictive models or machine learning algorithms to generate forecasts or make data-driven predictions. - Evaluating the performance and validity of mining models and adjusting parameters as needed. 3) Web Scraping: - Identifying target websites and data sources to extract relevant information. - Developing web scraping scripts or utilizing existing tools to automate data extraction from websites. - Ensuring compliance with legal and ethical standards while scraping data, including respecting website terms of service and privacy policies. - Handling challenges related to website structure changes, dynamic content, and anti-scraping mechanisms. 4) MYmta Expertise: - Understanding the functionality and structure of the MYmta system or similar transportation systems. - Extracting data from MYmta APIs or other available data sources. - Analyzing transportation data, including schedules, routes, delays, or real-time information, to derive insights or develop applications. - Collaborating with other stakeholders or developers to integrate MYmta data into relevant projects or systems. 5) LangChain Expertise: - Understanding the principles and technologies behind blockchain and smart contract platforms, such as Ethereum or Hyperledger. - Designing and implementing smart contracts and decentralized applications (DApps) using programming languages like Solidity or Vyper. - Auditing smart contracts for security vulnerabilities, ensuring they meet the required specifications and business logic. - Collaborating with blockchain developers, legal experts, and stakeholders to design and implement blockchain-based solutions for specific use cases. It's important to note that these responsibilities can overlap, and the specific tasks and priorities will depend on the organization's goals and project requirements. The expert should possess a strong technical skill set, including proficiency in relevant programming languages, data analysis tools, and domain knowledge in the respective areas. Let's connect soon :)
    Featured Skill Apache Cassandra
    Akka
    MySQL
    Ansible
    Apache Kafka
    MySQL Programming
    Linux
    React
    Scala
    Java
  • $15 hourly
    • 5.0/5
    • (3 jobs)
    I am Big Data Engineer with expertise in Hadoop, Cloudera and Horton Works Distributions and also Azure Data Services proficiency. Having good experience in all trending popular tools and technologies like Azure: Azure Data Factory, Azure Logic Apps, Azure Function apps, Azure Event Hub and Azure Service bus, Azure SQL DB. Apache: Apache Spark, Apache NIFI, Apache Kaka , Apache Hive. Having strong knowledge in programming languages like Java, Scala and Python. Also have good knowledge in SAP process.
    Featured Skill Apache Cassandra
    Microsoft Azure
    ETL Pipeline
    Apache Hive
    Apache Hadoop
    Database Design
    Apache Spark
    Apache Kafka
    Apache NiFi
    Elasticsearch
  • $8 hourly
    • 4.8/5
    • (18 jobs)
    🚀 Experienced Full Stack Developer (React + Python) | Delivering Solutions Since 2017 With over 7 years of hands-on experience in the dynamic realm of software development, my journey as a full stack developer has been strong enough to deliver top-notch solutions across diverse industries. Backend Mastery: Venturing into the backend realm, I've honed my skills in Python with the robust Django framework. My track record boasts the creation of over 200 API services, fortified with JWT authentication security and API gateway prowess. I've architected microservices for seamless internal communication, optimizing API performance to deliver blazing-fast responses with Python and Elasticsearch. My expertise extends across many databases, including Elasticsearch, MongoDB, Cassandra, Postgres, and Redis SQL, ensuring scalability and reliability at every turn. Tech Stack on the Backend Side: - Python | Django | Scrapy | NumPy | AI - Elasticsearch | MongoDB | Cassandra | Postgres | Redis - AWS Services (S3, EC2, Cognito, Route53, Lightsail) - Digital Ocean Server Management - Redis Caching | Apache Kafka | RabbitMQ Frontend Mastery: On frontend side, specializing in Next.js, React.js, TypeScript, and JavaScript with a strong background in building high-performance web applications. I've developed real-time dashboards, e-commerce platforms, and banking/fintech solutions, focusing on creating engaging, user-centric interfaces. Skilled in web optimization, PWA development, and delivering seamless UX across complex, data-driven applications. Tech Stack on the Frontend Side: - React, NextJs, Typescript, Javascript - Tailwind CSS, Material Design, Bootstrap, Antd, Chakra UI, CSS - Redux, Axios, Context API, Charts - Web Optimization, PWA Let's Collaborate: Driven by a passion for innovation, I'm open to projects of any scale, eager to tackle challenges head-on and deliver solutions that resonate with your vision. Whether you're a startup striving for digital transformation or an established enterprise seeking to elevate your tech stack, let's embark on this journey together. Reach out, and let's turn the ideas into reality!
    Featured Skill Apache Cassandra
    Material UI
    Next.js
    Redux
    TypeScript
    React
    Django
    Elasticsearch
    MySQL
    PostgreSQL
    JavaScript
    CSS
    Python
    MongoDB
    Redis
  • $18 hourly
    • 5.0/5
    • (4 jobs)
    Hello! I'm Akshay Kamble, an experienced Indian Java developer with a proven track record of delivering high-quality, scalable solutions. With five years of expertise, I've successfully collaborated with clients across diverse industries, including finance, security, and e-commerce. I craft reliable, high-performance applications using top-tier technologies like the Spring Framework, Hibernate, JPA, MySQL, MongoDB, and cloud platforms like Amazon AWS and Microsoft Azure. My deep technical skills are complemented by extensive experience with Apache Kafka, Cassandra, Elasticsearch, Jenkins, Docker, and Kubernetes. What sets me apart is my commitment to clean coding practices. I ensure that every line of code I write is not only efficient but also maintainable, featuring robust logging, comprehensive error handling, and other best practices that contribute to long-term software reliability. Clients consistently praise my ability to identify and resolve issues quickly, allowing me to deliver projects on time and within budget. Whether you need to build a new application from scratch or optimize an existing system, I bring a solution-oriented mindset and a dedication to excellence that ensures your project's success. If you're looking for a Java developer who can translate your vision into a robust, scalable solution, I’m ready to help you confidently achieve your goals. Let's work together to bring your project to life!
    Featured Skill Apache Cassandra
    Consul
    CI/CD
    Docker
    Jenkins
    Android App Development
    Data Structures
    Apache Kafka
    Elasticsearch
    Hibernate
    MySQL
    Spring Data MongoDB
    PostgreSQL
    Java
    Spring Boot
  • $45 hourly
    • 5.0/5
    • (3 jobs)
    Tech Stack :- Mongo, Cassandra, Elastic Search, Redis, Kafka, Kibana, AWS Congnito,, Postgresql, Zookeeper, Kibana, Logstash, Elastic Search I have to build microservice either from scratch or add new feature in it. And also manage it end to end like bug fixing, deployment, design etc
    Featured Skill Apache Cassandra
    Elasticsearch
    Apache Kafka
    Redis
    Database Design
    Spring Boot
    MongoDB
    Microservice
    Amazon Cognito
    RESTful API
    Database Query
    Apache Maven
    Engineering & Architecture
    SMTP
    Java
  • $50 hourly
    • 0.0/5
    • (0 jobs)
    Hi, I am Vikas from Bangalore, India I am a growth-focused website designer and developer with over a decade of experience. I integrate relevant trends and best practices to build websites with longevity.
    Featured Skill Apache Cassandra
    Haskell
    Database Design Consultation
    Engineering & Architecture
    Apache HBase
    Apache Hadoop
    JavaScript
    Management Skills
    SQL
    Python
    Java
    PHP
    Apache Spark
  • $45 hourly
    • 0.0/5
    • (1 job)
    I am a Sr. Software Developer looking for full time and long-term working relationships. I can help in building microservices, Secured REST APIs, small to large websites, cloud native solutions with user volumes ranging from few thousands to millions. I can manage all of these activities right from bootstrapping to successful delivery and managing them on production environments. Strong Areas of Expertise: Product Design and Architecture, Automation of the DevOps process, or building native cloud SaaS applications or building containerized microservices.
    Featured Skill Apache Cassandra
    Spring Data MongoDB
    Security Engineering
    React
    Web Development
    Apache Camel
    RESTful Architecture
    Software Architecture & Design
    Apache Kafka
    Postman
    RESTful API
    Spring Framework
    Spring Boot
    MongoDB
  • $5 hourly
    • 5.0/5
    • (2 jobs)
    I have a solid experience as Software/Infrastructure engineer. Below are my skills. RESTful API Development: Building and integrating APIs to ensure seamless data flow between frontend and backend services. Database Management: Knowledge of NoSQL (Elasticsearch,MongoDB,Cassandra) and relational databases (e.g., MySQL, PostgreSQL,Oracle), including indexing, querying, and data modeling. Data Structuring and Parsing: Experience with JSON and data structuring for efficient search query building and data retrieval. Backend Frameworks: Proficiency with frameworks such as Node.js, Django, or Spring Boot to manage and optimize server operations. Query Optimization: Skilled in optimizing complex queries for speed and accuracy, ensuring efficient response times and minimizing latency. Scripting and Automation: Experience with scripting languages (Python, Shell) for task automation, data migration, and backend improvements. Security Best Practices: Implementing secure data handling and access control measures in backend systems. Version Control: Proficient with Git for collaborative development and maintaining clean code history. Database Programming Languages: Proficient in Python, Rust,GO,C++,C#,Java, and JavaScript, with extensive experience in writing clean, efficient code for backend services, data processing, and search functionality. Web Scraping: Skilled in using tools like BeautifulSoup, Scrapy, and Selenium to extract and structure data from web sources, ensuring data quality and consistency for analysis and search indexing. Data Analysis: Experienced in data exploration, statistical analysis, and data visualization using libraries such as Pandas, NumPy, and Matplotlib to derive insights and optimize data handling for search queries. Data Engineering: Strong understanding of data pipelines, ETL processes, and data transformation using tools like Apache Kafka, Airflow, and Spark, ensuring data is properly formatted and available for backend processing and Elasticsearch indexing. Container Orchestration: Kubernetes Data Pipeline Tool: Fivetran, Data Warehouse Tools: Snowflake,Amazon Redshift., Scripting: Python,Bash, Operating System: Linux,Windows, Backup Tool: Rubrik, Monitoring Tools: Splunk,Foglight,
    Featured Skill Apache Cassandra
    Windows Administration
    Elasticsearch
    Data Engineering
    Linux System Administration
    Amazon
    Kubernetes
    Microsoft Azure
    Backup & Migration
    Data Backup
    Snowflake
    Python
    MongoDB
    MySQL
    PostgreSQL
  • $12 hourly
    • 4.9/5
    • (2 jobs)
    Passionate self taught software developer having 3+ Years of professional experience in fintech. I'm experienced in Javascript, Typescript, Dart, Postgresql, Mongodb, Cassandra, Firebase, Flutter Portfolio link - portfolio-angular-xi.vercel.app
    Featured Skill Apache Cassandra
    Dart
    Flutter
    Firebase
    MongoDB
    PostgreSQL
    TypeScript
    JavaScript
  • $18 hourly
    • 4.9/5
    • (1 job)
    I am a data expert with more than 25 years of experience in global projects in multiple domains like retail, banking, healthcare, telecomm, eGovernance, education. I am passionate about Python, SQL, ETL,Hadoop,Spark and cloud services like AWS and Azure. I have worked in Datastage, IICS,SSIS,ODI and Talend. I have extensive experience in swagger files, API integration with ETL tools. I am very committed to data confidentiality and data security (PPI and GDPR) and I have worked on globalization efforts for various clients. Out of interest I have created a distributed data validation and quality platform on top of hadoop architecture. I have migrated huge amounts of data from legacy systems to modern architecture in AWS and Azure. I have also worked on healthcare data conforming to various standards like Hl7, CCDA,CRF and MEDDRA. My exposure to eGovernance projects for different governments gave me insight and deeper understanding of data quality, data security and master data management. I have leveraged DNB data for MDM for customers which is a huge achievement for my client. I am committed to 100 percent data accuracy, elegant code writing and on time delivery. I have absolutely not problem communicating with global clients and my English is super strong.
    Featured Skill Apache Cassandra
    OCR Software
    Scrapy
    Beautiful Soup
    PostgreSQL
    SQL Server Integration Services
    Amazon Athena
    Amazon DynamoDB
    Data Warehousing & ETL Software
    ETL Pipeline
    Apache Spark
    Apache Hadoop
    SQL
    Scala
    Python
  • $35 hourly
    • 0.0/5
    • (0 jobs)
    A passionate web developer in full stack web technologies with a 4 year corporate experience at an Investment Bank. With immense experience in tackling major production challenges, performing Scrum duties and developing performance friendly web applications, I have built confidence to provide valuable results. Here's what I can contribute: >> Full Stack development using Angular, React, JS and Core Java including Spring and Rest API services. >> Extended my role as a DevOps Engineer during my work tenure. >> Web and Mobile support. >> Good grasp on OpenShift, Cassandra DB and Kubernetes. >> Communicative.
    Featured Skill Apache Cassandra
    DevOps
    OpenShift
    Bootstrap
    CSS 3
    HTML5
    React
    Apache Struts
    Scrum
    Kubernetes
    Core Java
    Angular
    JavaScript
    Software
  • $55 hourly
    • 0.0/5
    • (0 jobs)
    I'm a senior developer with experience as a fullstack and now as backend engineer. Love to solve complex backend problems and come up with full end to end solution. Currently working as a full-time senior engineer. Open for consultation and part time with upto 10-15 hrs/week Technical proficiencies Platforms : AWS Databases : Postgres, Mongodb, Cassandra, BigQuery, Redis Languages : Node.js, javascript, Typescript, Java, Kotlin, SQL, NoSQL Tools : Temporal, Git, AWS, Kafka
    Featured Skill Apache Cassandra
    AWS Development
    Web Application
    Product Development
    Java
    TypeScript
    Redis
    MongoDB
    Web Development
    Apache Kafka
    JavaScript
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