I am a software engineer with 26+ experience (18 years in corporate world and rest as freelancer). A data analytics, warehousing and BI specialist - as a freelancer, I have been building super efficient, cost effective and light weight solutions using data modeling, ETL, power bi, vba scripting (excel/word/powerpoint), sharepoint power apps, power query and SQL. I have been leveraging my knowledge in various technologies, process, problem redressal, transparent communication etc. to deliver solutions/implementations for customers. I have played roles of business analyst, architect, technocrat, project manager and a business user which helps me in gaining a 360 degree view of a problem. My technical skills helps me arrive at a problem that is viable and meaningful. Prior to freelancing i have worked for large companies like Texas Instruments, Microsoft, Apple, Intel, Boeing, Syngenta in technical and managerial capacities. Technically I have worked in Java, dotnet and PHP technologies with Oracle/MSSQL/MYSql as backend. I am very strong in the all web technologies as well as databases. I would be able to perform solution architecture, design and implementation. I Hold 2 patents in USA. I am very passionate about using my analytical and technical ability to comprehend the problem and design a solution that is accurate, easy to use, scalable and highly maintainable. There are many that do just what is told to you, but i like to own up the problem on my customer's behalf and define and implement a solution. I am very well versed with remote execution model having executed over 250 projects in technical and leadership roles from USA as well as from India.

Core Expertise I am a Data & SQL Specialist with 20+ years of experience delivering reliable, high-performance data solutions. I help businesses clean, transform, analyze, and automate data efficiently—saving time and improving decision-making. What I Can Help You With Database & Data Warehouse Design – ER models, Data Marts, scalable schemas Data Transformation & Cleanup – Unstructured → structured data SQL Development & Performance Tuning – Complex queries, optimization Excel Automation & Dashboards – Advanced formulas, PivotTables, reports PDF, Excel & Word Automation – Data extraction, formatting, conversions Python Automation – Web scraping, PDF parsing, task automation ETL & Data Integration – SSIS, ADF, AWS Glue, Databricks Data Quality & Governance – Validation, controls, consistency checks Clear Documentation – Well-structured design and process documents Tech Stack Databases: SQL Server, Oracle, PostgreSQL, Athena, MariaDB, MySQL Tools: Python, SQL, Excel, Power BI ETL/Cloud: AWS, Azure, Databricks, Snowflake Open to all data-related work—from quick Excel/PDF tasks to full-scale data pipelines and performance tuning.

Most software projects don’t fail because of the code. They fail because of a disconnect between the business vision and technical reality. 👋 My name is Ronan Murphy. For over 8 years, I have acted as a hands-on technical operator and strategic partner for startups, solo entrepreneurs, and global enterprises alike. Based out of Dubai, I bridge the gap between high-level operational goals and rugged, scalable software infrastructure across Finance, HVAC/IoT, and Oil & Gas. My clients don’t leave me because I build with a Zero-Tolerance framework for data drift, system lag, and budget runaway. I do not bypass potential structural holes or ignore underlying failure roots just to ship a feature faster. I speak up early, challenge ambiguous metrics, and expose hidden technical friction before it costs you capital. My goal is simple: maximize your operational profit while protecting your bottom line. 🏆 Why Most Freelancers Fail Your Project (And Why I Don’t) If you have hired contractors before, you’ve likely experienced the standard pitfalls: developers ghosting when a feature gets difficult, missing deadlines due to a day job, or building exactly what you asked for even when they knew it would break your budget. I run my practice on an entirely different set of operational ethics. The absolute success of your product and the protection of your business capital are the entire reasons my consulting practice exists. Here is exactly how I distinguish my services from the rest of the market: ✅ Proven Adaptability Across the Business Lifecycle: I have engineered systems across the entire corporate spectrum, adapting seamlessly to the unique friction points of each tier: - Solo Entrepreneurs: I act as a technical co-pilot, turning raw ideas into highly practical tools that optimize day-to-day operations and maximize solo margins. - High-Growth Startups: I build lean, high-velocity MVPs designed to hit market validation rapidly, preserving your runway while building an architecture robust enough to secure your next funding round. - Global Enterprises: I integrate flawlessly into existing enterprise structures—running on strict compliance, signing NDAs without friction, participating in daily standups, and delivering clean, fully documented code that aligns with internal governance. ✅ This is My Dedicated Corporate Career, Not a Side-Hustle: I am a full-time, professional IT consultant. I do not squeeze your project into my evenings or treat your architecture as a weekend hobby. Because this is my full-time dedication, I have the absolute flexibility to fully overlap with your team’s working hours and timezones. You will never have to chase me down for an update or suffer from radio silence because of a corporate day job. ✅ My Professional Working Ethic: Your Success First, Money Second: I am an ecosystem partner, not a transactional vendor. I measure my value by the longevity of my client relationships, many of which span years. If your business encounters a temporary funding bottleneck or a pre-revenue hurdle, I do not vanish. I have consistently stepped up to provide free technical audits, engineer lightweight Proof of Concepts (POCs), or restructure milestones to keep the momentum alive until you achieve market traction. I do not give up on a client who is fighting for their vision. ✅ I Speak Up Early to Protect Your Capital: I don’t quietly build flawed logic just to bill hours. If an initial requirement contains structural holes, edge-case failures, or hidden technical debt, I will speak up clearly and early. I will challenge unoptimized choices before they hit your bank account, saving you thousands of dollars in wasted development cycles. ✅ Domain Mastery on Day One: You don’t waste billable hours teaching me basic business terms, compliance rules, or industry formulas. Having spent years embedded within Finance, HVAC/IoT, and Oil & Gas, I understand your operational realities natively. Whether it is job-costing logic, asset telemetry streams, or multi-tenant financial isolation, I hit the ground running immediately. 🛠️ Core Toolkit - AI/ML: Jupyter Notebooks, PyTorch, TensorFlow, Scikit-Learn - Data Analysis: Excel, PowerBI, Tableau, Snowflake, ETL, MS Fabric, R, Pandas, NumPy - Web Development: Python/FastAPI/Django, JS/TS/Node.js/NestJS/ExpressJS/Next.js/React.js/Angular/jQuery, C#/ASP.NET, PHP/Laravel/WordPress - Mobile Development: React Native, Flutter, Java/Android, Swift/iOS - Databases: SQL, PostgreSQL, MySQL, SQL Server, MongoDB, Supabase, Redis - Cloud & DevOps: AWS, Azure, Google Cloud, Vercel, Digital Ocean, Netlify, CI/CD, Docker If you are looking for a strategy-only consultant to tell you what is wrong with your business, I am not your guy. If you are looking for a highly responsive technical builder who will understand your vision, protect your capital, and do the heavy lifting required to make it a working operational reality—let’s talk.

Welcome to my world of professional software, web, and app development! As a highly skilled and experienced developer, I specialize in automation, with expertise in Make.com, Zapier, and ChatGPT. My proficiency in these platforms allows me to create seamless and efficient workflows for your business, giving priority to your automation needs. In addition to my automation expertise, I am well-versed in PHP, NodeJS, Angular, Flutter, React, React Native, C#, VB.net, WooCommerce, Magento, PrestaShop, MySQL, PostgreSQL, ORACLE, SQL Server technologies, and more. I have experience integrating marketplaces like eBay, Amazon, Shopify, Wish.com, Lazada, Walmart, USPS, UPS, FedEx, and DHL using their respective APIs to simplify sellers' lives. No project is too big or complex for me to deliver outstanding results. My diverse portfolio includes apps for tutors, parcel tracking, restaurant management systems, and real estate solutions. I am confident in my abilities and resourcefulness to research and learn about any project, even if it's outside my comfort zone. Don't just take my word for it – explore the examples of my work provided below and let my results speak for themselves. I guarantee you won't be disappointed with my exceptional services, especially when it comes to automation.

I am a tech-agnostic data engineer who enjoys solving complex data problems, finding patterns in messy datasets, and making sure the work actually supports the business. My focus is always on clean architecture, performance, and making data useful - not just moving it around.Here is what I have worked with: - Programming & Scripting: Python (Flask, FastAPI, Django, Selenium, PySpark), SQL - Data Engineering & Integration: Talend, Mage.ai, Apache Airflow, Airbyte, Databricks, Kafka, Debezium - Databases & Data Warehousing: Data Modeling, PostgreSQL, MySQL, Snowflake, Greenplum, MongoDB, Firebase, ClickHouse - Cloud & DevOps: AWS (Lambda, API Gateway, S3, RDS, SQS and more), Docker, Kubernetes, Azure DevOps, Terraform, CloudFormation - Security & Compliance: Secure and compliant pipeline design (HIPAA, GDPR, SOC 2), data governance, privacy-first architectures - Testing & Automation: Postman, Cypress.io, Swagger, Automated Data Workflows - Data Visualization: Power BI, Metabase, Google Data Studio, Grafana - Collaboration & Leadership: Cross-functional team mentoring, process optimization, data-driven decision-making

Need a Data Analyst or Data Engineer without hiring full-time? 🤝🎯 I have 9+ years of experience designing analytics systems, ETLs, dashboards, and KPIs for growing businesses. I work as a fractional analyst, helping teams understand what’s really happening in their data. Data Engineering - Data Integration, ETL, API, SQL, Python, Analysis Visualization: Google Looker Studio, Power BI, Tabluea Cloud: Google Cloud, Azure Power BI Fabric Datawarehouse: BigQuery/Fabric Lakehouse

With over 10+ years of knowledge and experience in Full Stack web and mobile development in React.js/redux/Vue/Angular applications for the web, mobile hybrid react native/flutter app and embedded in Electron with proficient backends including PHP, NodeJS, Python Flask, ASP.NET and others. My primary abilities include: * Frontend - React.js, Vue, Redux, Angular 2, 4, 5, 6, jQuery, Material Design, HTML/CSS/Bootstrap * Backend - Node.js, Ruby on Rails, Express, PHP, Firebase, Python/Flask * Framework - React Native, Flutter, IONIC, CodeIgnitor, Laravel, Drupal, Django * Database - Firestore, MongoDB, Postgre, MySQL * Native Mobile - Objective-C, Swift, Java, Kotlin * Unit Testing - Jest, Jasmine * Source Control / CI - Git, GitHub, GitLab, BitBucket, CircleCI, Travis CI * Deployment - AWS(Amazon Web Services), GCP(Google Cloud Platform), Heroku, DigitalOcean * Task management tool - JIRA, Asana, Pivotal Tracker, Trello As new techniques emerge in the software field, I am able to provide faster and more efficient development. My approach is to create applications that are easier to use and more "inviting" to the user. Aesthetically pleasing sites and applications that look great, and work hard to make everyone's job easier. Thank you for taking the time to learn more about me. Feel free to contact me any time so that I can help you reach your online goals and make you and your team successful.

— TOP RATED PLUS Freelancer on UPWORK — EXPERT VETTED Freelancer (Among the Top 1% of Upwork Freelancers) — Full Stack Engineer — Data Engineer ✅ AWS Infrastructure, DevOps, AWS Architect, AWS Services (EC2, ECS, Fargate, S3, Lambda, DynamoDB, RDS, Elastic Beanstalk, AWS CDK, AWS Cloudformation etc.), Serverless application development, AWS Glue, AWS EMR Frontend Development: ✅ HTML, CSS, Bootstrap, Javascript, React, Angular Backend Development: ✅ JAVA, Spring Boot, Hibernate, JPA, Microservices, Express.js, Node.js Content Management: ✅ Wordpress, WIX, Squarespace Big Data: ✅ Apache Spark, ETL, Big data, MapReduce, Scala, HDFS, Hive, Apache NiFi Database: ✅ MySQL, Oracle, SQL Server, DynamoDB Build/Deploy: ✅ Maven, Gradle, Git, SVN, Jenkins, Quickbuild, Ansible, AWS Codepipeline, CircleCI As a highly skilled and experienced Lead Software Engineer, I bring a wealth of knowledge and expertise in the areas of Java, Spring, Spring Boot, Big Data, MapReduce, Spark, React, Graphics Design, Logo Design, Email Signatures, Flyers, Web Development (HTML, CSS, Bootstrap, JavaScript & frameworks, PHP, Laravel), responsive web page development, Wordpress and designing, and testing. With over 11 years of experience in the field, I have a deep understanding of Java, Spring Boot, and Microservices, as well as Java EE technologies such as JSP, JSF, Servlet, EJB, JMS, JDBC, and JPA. I am also well-versed in Spring technologies including MVC, IoC, security, boot, data, and transaction. I possess expertise in web services, including REST and SOAP, and am proficient in various web development frameworks such as WordPress, PHP, Laravel, and CodeIgniter. Additionally, I am highly skilled in Javascript, jQuery, ReactJs, AngularJs, Vue.Js, and Node. C#, ASP.NET MVC In the field of big data, I have experience working with MapReduce, Spark, Scala, HDFS, Hive, and Apache NiFi. I am also well-versed in cloud technologies such as PCF, Azure, and Docker. Furthermore, I am proficient in various databases including MySQL, SQL Server, MySql, and Oracle. I am familiar with different build tools such as Maven, Gradle, Git, SVN, Jenkins, Quickbuild, and Ansible.

More than 18 years of Information Technology experience, Outstanding skills and knowledge in database development and programming, relational database design, database and program analysis, and database administration. Responsibilities included database object creation and modifications, backup/recovery, security administration, troubleshooting, performance monitoring and tuning, database propagation, capacity planning, consultation with developers on technical issues, database design and system analysis. Able to plan and coordinate large-scale development and implementation projects. Exceptional proficiency in analyzing systems and processes, determining needs, and developing effective solutions. Database design experience includes responsibilities such as gathering data requirements, data classification and logical and physical model creation. Design specifics included creating/maintaining Entity Relationship Diagrams (ERD), data dictionaries, and physical data structures such as tables, primary/foreign keys and indexes. Excellent verbal and written communication skills. Specialties: - MS SQL Server 2019/2017/2016/2014/2012/2008R2/2008/2005 - SQL Server Integration Services(SSIS) 2014/2008R2/2008/2005 - SQL Server Reporting Services(SSRS) 2016/2014/2012/2008R2/2008/2005 - Transparent Data Encryption - Always On Availability Group - MySQL - PostgreSQL - MongoDB - Automation - Data Modeling - Database Mirroring - Disaster Recovery - SQL Replication - Log Shipping - SQL Profiler - Performance Tuning - DB Backup/Restore - TSQL - Powershell - Python - MongoDB - R Programming - MS Visual Studio Code - MS Visual Source Safe - MS Visio - WinSCP - GPG - Quest Foglight for SQL Server, SQL LightSpeed - Idera SQLSafe - RedGate SQL Toolbelt

Hello! I’m a results-driven Backend Developer specializing in PHP and C#, with 8+ years of professional experience delivering robust, efficient, and scalable solutions for businesses of all sizes. What I Offer: Expert backend development: PHP (Laravel, Symfony), C# (.NET Core, ASP.NET MVC) Database architecture & optimization: MySQL, PostgreSQL, SQL Server, Redis API design & integration: RESTful, JSON, XML Modern development workflow: Git, Agile/Scrum, CI/CD pipelines Clean, maintainable code: Clear documentation and best practices for long-term success I pride myself on clear communication, proactive problem-solving, and always meeting deadlines. Whether you need to build new features, refactor legacy systems, or scale your application, I bring a deep understanding of backend architecture and a commitment to your project’s success. Let’s turn your ideas into reliable, high-performing solutions. Ready to get started? Message me and let’s discuss your project!