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  • $25 hourly
    • 4.7/5
    • (386 jobs)
    As an Engineer and inventor with over 15+ years of professional experience, I thrive on developing products that meet today's technical challenges head-on. My career has been a fusion of rigorous curiosity and precise technical skill, topping in a deep well of expertise thatā€™s ready to tackle your project. Here's a snapshot of the domains I've grasped: Hardware Specialties šŸ’»šŸ”Œ āœ… Embedded systems: programming, hardware design, and firmware development from concept to execution, including ARM-based controllers, DSP, and FPGA technologies. āœ… PCB Design: Expert in designing layouts and schematics, bringing circuits to life flawlessly. Wireless Communication: Proficient with Bluetooth, WiFi, RF protocols, and crafting IoT devices that empower smart connectivity. āœ… Sensor Savant: MEMS / IMU, GPS tracking, and biometric identification through RFID and fingerprint technology. āœ… Design Tools: Proficient with industry-leading software such as Altium Designer, Eagle CAD, KiCAD, Proteus, etc. Software Proficiency šŸ‘Øā€šŸ’»šŸ“² āœ… App Development: Crafting responsive, user-friendly web and mobile apps optimized for IoT solutions, enhancing functionality and user experience. āœ… Web Design & Deployment: Custom WordPress solutions, e-commerce, APIs, and more. āœ… Coding Languages: Kotlin, Java, C++, and C# form the foundational backbone of my custom software solutions. āœ… Data Handling: Experienced in CMS, API integrations, and web scraping for robust, seamless user experiences. Mechanical Design Services šŸ§° āœ… Enclosure Designing: Merging technical requirements with aesthetic considerations to design custom enclosures that heighten the value and usability of electronics. šŸš€ I'm excited to collaborate and bring your vision to completion, incorporating your innovative ideas with my technical know-how to leave a mark on the future. Tags: Electrical Engineer, Electrical Engineering, Electronics, Hardware, Firmware, PCB, PCB layout, Board Layout, Schematics, Altium Designer, IoT, Internet of Things, Power Electronics, Bluetooth, BLE, TI, Texas Instruments, FPGA, SoC, VHDL, Verilog, Xilinx, Altera, VHDL, C, C++, MCU, RTOS, Microcontroller, prototype, validation, Enclosures, BMS, SolidWorks, Android, iOS, Java, Swift, Mobile Apps, Database, React, AWS, Python, ESP32, Arduino, PLATFORMIO, PIC, NXP, Texas Instrument, Nordic, DIALOG, STM32, LCD, Raspberry Pi, Robotics, Oil and Gas Automation, RF, XBEE, Wi-Fi, BLE, Production, Prototyping, LoRa WAN, Manufacturing, Assembly, Motor Driver, Prototype, Wireless Module, Controllers, PLC, CREO, Industrial Designer, EASY EDA, KiCAD. Warm Regards, Huzaifa Ali
    Featured Skill Sikuli
    PCB Design
    Multilayer PCB
    Electronic Design
    Electronic Circuit Design
    Internet of Things Solutions Design
    Digital Electronics
    React Native
    Circuit Design
    Altium Designer
    Arduino Firmware
    Raspberry Pi Firmware
    STM32
    ESP32
    Embedded System
    Microcontroller Programming
  • $25 hourly
    • 4.9/5
    • (102 jobs)
    Database design, SQL, C/C++, Java, Oracle, MySQL, and MS SQL Server - all this are my areas of expertise. Over the last 30 years I have developed a lot of desktop and server side business applications using C, C++, Java, SQL, PL/SQL, T-SQL languages for customers from all over the world. I am trying constantly improve my skills and learning some new fashionable tools and technologies. Currently I am learning Golong and I like it. Also I have great experience in developing enterprise-scale applications using relational databases. I can do for you full-cycle applications development - from business analysis to end-user support. Let me assure that overwhelming majority of successful projects during my 12-years freelancer career is a good reason to hire me. My resume available on request. Sincerely, Nick Mukhin
    Featured Skill Sikuli
    C
    C++
    Java
    Oracle PLSQL
    Database Design
    SQL
    Transact-SQL
    MySQL
  • $25 hourly
    • 4.1/5
    • (26 jobs)
    I'm holding 7 yrs experience as a Software Test Automation Engineer. Currently working as QA Team Lead. ā€¢ I'm "ISTQB Certified Tester" & "Salesforce Admin Certified". ā€¢ Author of "Around the world with 80 Software Testers" e-book by Leanpub ā€¢ Expert in Manual Testing, Functional Testing. ā€¢ Experienced in Cypress Automation with Javascript and Karma, Mocha, Jasmine frameworks. ā€¢ Expert in API Testing using Postman with Javascript & Newman. Postman collection scripts execution and also preparing the API Test report. ā€¢ Expert in Test Planning, Test Strategy, Test Scenario, Test Case preparation & Test Execution. ā€¢ Expert in Bug Reporting and Bug tracking using various tracking tools like Jira, Trello, ClickUp. ā€¢ Experienced in building Performance Testing Scripts for report analysis using JMeter. ā€¢ Experienced in building Performance Testing Scripts using Loadrunner. ā€¢ Duties at my previous company (EPAM, India) included interaction with overseas clients, reporting day to day updates, Analysing the possible test scenarios, explaining the team about the work distribution, Performance Testing Scripting (Using Jmeter& Loadrunner), API REST Webservices testing (Using various API testing tools), X-Path finding of web elements in a effective way, Test Strategy Planning, Preparation and execution of Test Scenario & Test Cases, Bug detection, Bug reporting, Bug tracking in order to solicit the product quality. ā€¢ During my tenure, I implemented few creative strategies & quality working while testing on particular product, reducing risk of faults from Quality Assurance Team. My experience in different types of projects in Epam Systems & in working with different Freelancing QA projects has helped me improve my Quality Assurance skills, hone my organizational skills, and has provided me with extensive knowledge of how to upsell services and goods to potential clients.
    Featured Skill Sikuli
    Bug Reports
    Product Development
    Android
    Software Testing
    Software QA
    Cypress
    Test Results & Analysis
    Mobile App Testing
    User Acceptance Testing
    API Testing
    Functional Testing
    Regression Testing
  • $20 hourly
    • 4.8/5
    • (2 jobs)
    I have seven years of experience working in the industry as programmer in different areas and language. As full stack software developer I have made web portals in Angular (mĆŗltiple versions) and Node JS. Also I have worked in mobile development with Ionic Framework. As success case, I developed "domiciliosinteligentes.com", a success application for delivery in Colombia. In stand alone software development I have worked with Java and Python. As success case I made a software to manage a GYM five years ago, and currently it is in use as the management software of the company. Another success case, I made a software to manage a milk collection center in Colombia. I have also worked with automation bots applications. Also I have experience programming embedded devices as raspberry pi, esp8266, between others. In applications of control and monitoring data, with industrial protocolos with externa components as MODBUS Tcp, and Mqtt for communication with the cloud. As success case I developed industrial tanks level sensors for a big company of paints in Colombia. As other success case I worked making inteligent trash cans, where people who throw plastic bottles are rewarded with money automatically through a fintech application.
    Featured Skill Sikuli
    Selenium WebDriver
    Embedded Linux
    AutoHotKey
    Ionic Framework
    Java
    Node.js
    JavaScript
    Python
  • $15 hourly
    • 5.0/5
    • (5 jobs)
    I'm an accomplished, process and work oriented senior software test engineer with over fourteen years of software testing experience in the field of automotive, retail, mobile and web. I'm skilled in managing multiple projects in parallel with its resources and I'm also proficient in applying risk assessment management. I thrive in helping my peers to be in their best form by providing them insights and training. I'm highly motivated, disciplined and resourceful. I mentor and interact productively with people coming from a diverse background. When I'm not working, I usually spend my time with my family. They are my inspiration to strive and become a better version of myself. I believe that I am still a work in progress and there is so much more to learn. My dedication and love for my family reflects my dedication towards my work. I want my son to learn from me and carry the same work ethics, values and best practices in whatever profession or field he may choose. Qualifications: - Software testing, quality assurance, software testing methodologies (e.g. white and black box), software development methodologies (e.g. DevOps deployment, agile scrum/Kanban, v-model and waterfall), risk and project management - Object and image oriented programming, C/C++, C# .NET, Java, NI' s LabView, CAPL programming, automation and manual testing, Selenium IDE and WebDriver, Sikuli, Atlassian tools (JIRA, Confluence), Doors, HP QC, Zephyr, SVN, Vector CANoe, Microsoft' s operating systems and office, Auto-tester applications, SelfServ CheckOut automation Tool, - Hardware installation, troubleshooting and maintenance - Onsite support: test and assessment needs (e.g. PS level testing, UAT and others)
    Featured Skill Sikuli
    Functional Testing
    Usability Testing
    Software QA
    Bug Tracking & Reports
    Performance Testing
    Test Management
    End-to-End Testing
    Regression Testing
    Compatibility Testing
    Automated Testing
    Load Testing
    Test Results & Analysis
    Black Box Testing
    Agile Project Management
  • $17 hourly
    • 4.0/5
    • (5 jobs)
    Generative AI Solutions Engineer | Langchain ā€¢ RAG Architectures ā€¢ GPT-4o ā€¢ AI Agents ā€¢ FastAPI I help startups, product teams, and AI-first companies build scalable, production-grade Generative AI systems using state-of-the-art LLM frameworks and retrieval pipelines. From designing Retrieval-Augmented Generation (RAG) systems to deploying intelligent AI agents and full-stack AI applications, I specialize in transforming ideas into working products ā€” fast, robust, and business-aligned. šŸ”§ Core Expertise: RAG Architectures: Custom vector-based retrieval systems using FAISS, Pinecone, Weaviate, Chroma; optimized for speed and relevance - LLM Integration: OpenAI GPT-4o, Claude, Mistral, Ollama, Hugging Face - Frameworks: Langchain, CrewAI, LlamaIndex, Semantic Kernel, LangGraph - AI Agents & Tools: Toolformer-style multi-agent systems, autonomous workflows - Backend Engineering: FastAPI, Django, Python, LangServe - Frontend Stack: React.js, Next.js 14, TailwindCSS, ShadCN/UI - Infra & Deployment: Docker, Vercel, Cloud Run, Hugging Face Spaces, GitHub Actions - Third-Party Integration: Slack, Notion, Jira, Asana, Zapier, N8n - Recent GenAI Projects: AI-Powered Meeting Automation System Built a system that: Captures and processes live meeting transcripts Automatically generates MoMs for all participants Analyzes discussions to identify completed tasks, track task status, and auto-create new action items Syncs with Jira/Asana to update project boards in real time Provides monthly insights into team performance, task follow-through, and meeting success rates - QAide ā€“ GenAI Assistant for QA and DevOps Delivered a domain-specific GenAI assistant that: Enables users to query and interact with test cases from Jira/Asana in natural language Integrates with the teamā€™s test automation framework to generate new test scripts on demand Maintains framework standards, removes manual code overhead, and accelerates QA processes - Custom RAG + Agent System for a Knowledge Platform Designed a blazing-fast RAG pipeline with ms-level retrieval speeds Built a multi-agent orchestration system using LangGraph and CrewAI Connected external APIs, toolchains, and internal KBs to power intelligent responses and automated workflows
    Featured Skill Sikuli
    AI App Development
    LLM Prompt Engineering
    Chatbot Development
    Cloud Run
    Google Cloud Platform
    React
    Socket.io
    Prompt Engineering
    AI Chatbot
    LangChain
    OpenAI API
    OpenCV
    Python
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