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$65/hr
100% Job Success
$200K+ earned
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āŒ Sorry, I don’t take small fixes or quick, one-time setups. āœ… I focus on long-term engagements, solving advanced DevOps challenges & delivering real business results, covering US, European & Australian timezones. My standard rate is $65 With 15+ years in Dev Ops, AWS DevOps & Azure DevOps, aws kubernetes, aws docker, I have designed architectures supporting 10,000+ concurrent users, reducing operational costs by 40% through automation. My 12+ years of expertise as a Senior DevOps Engineer in Kubernetes (DevOps Kubernetes / DevOps K8s), Terraform & CI/CD has enabled the deployment of 5,000+ containers daily, optimizing cloud workflows for enterprises managing petabytes of data across multi-cloud environments, including Application Release Automation, Deployment Automation & System Automation. 🌟 Certified Kubernetes Administrator (CKA) & AWS Certified Solutions Architect šŸ’» Proficient in DevOps Tools: AWS DevOps, Azure DevOps, Kubernetes, Docker, Jenkins, Terraform, GitLab CI/CD, AWS Glue, Sensu & Automated Monitoring. — Automated 90% of deployments with Jenkins, built 50+ apps using JavaScript & managed 100K+ daily requests on AWS, cutting costs by 30%. — Designed 100+ CI/CD pipelines, boosting delivery speed by 70% & optimized 200+ backend apps with Node.js. — Containerized 300+ apps using Docker, reducing provisioning time by 60% & provisioned 100+ environments with Terraform, cutting setup time by 80%. — Managed GCP with 500+ nodes, ensuring 99.99% uptime & improved efficiency by 70% with DevOps practices. — Optimized resource use by 40% with k8s, developed 20+ interactive apps using React, & automated 50+ microservices. — Led 50+ projects as a DevOps Engineer, automated 60% of tasks with Python, & ensured 99.99% uptime with Linux, Ubuntu, & CentOS — Managed 100+ projects with Git & automated 200+ configurations with Ansible. I specialize in aws dev ops & azure dev ops terraform workflows, enabling businesses to achieve high-performance, scalable, & secure deployments. My expertise includes automation with tools like Terraform for K8s infrastructure & devops amazon web services cloud environments, as well as advanced ci/cd processes for seamless integration & delivery, including Infrastructure Management & AlOps. With Kubernetes DevOps, I deploy containerized applications across platforms like AWS EKS, Azure AKS & GCP GKE. I also design efficient ci cd pipelines using tools such as Jenkins, GitLab CI/CD & GitHub Actions, ensuring reliable deployment with minimal downtime. In addition to infrastructure automation, I bring expertise in workflow automation, QA automation, & ML deployment. Core Competencies: As a Senior DevOps Engineer, devops Consultant, & CTO, I deliver innovative, scalable & efficient solutions for complex business challenges. ā˜ļø Cloud Infrastructure Design: Expertise in building robust architectures with aws devops engineer, azure devops engineer & gcp devops, integrating services like AWS RDS, AWS Big Data, AWS Cognito, & Google Cloud Platform. šŸš€ CI/CD Pipelines: Proven experience designing & optimizing dev ops CI/CD workflows, including AWS CI/CD, Azure DevOps CI/CD, GitLab CI/CD, & advanced CICD pipelines. šŸ“¦ Container Orchestration: Advanced knowledge of Kubernetes devOps & Azure Kubernetes for managing scalable, secure & automated environments. šŸ¤ Automation Engineering: Proficient in tools like Terraform, Ansible & scripting with Python aws developer to automate workflows & infrastructure provisioning. šŸ“Š Monitoring & Observability: Expertise in setting up monitoring tools like Sensu, Prometheus, Grafana, ELK & CloudWatch to ensure Automated Monitoring, real-time insights & performance tracking. šŸ”’ Security & Compliance: Skilled at implementing secure & compliant cicd pipelines, including DevOps Docker CI/CD, to protect sensitive data & ensure regulatory adherence. šŸ¤– Machine Learning Deployment: Hands-on experience deploying AI/ML models on AWS Lambda, GCP Terraform & Azure Machine Learning platforms. Services Offered: – Cloud architecture design & implementation on AWS Architect, Azure & GCP – CI/CD pipeline creation & optimization, including AWS CI/CD & Azure DevOps CI/CD – Infrastructure automation using Terraform, Ansible & devops kubernetes – End-to-end deployment solutions, including AWS deployment, Kubernetes Terraform & Azure DevOps automation – Secure microservices architecture migration, leveraging Docker & AWS Kubernetes – Workflow automation & QA process optimization for faster delivery cycles – Real-time monitoring & logging integration using Prometheus, Grafana & ELK stack – Support for Python AWS development, AWS RDS & AWS DynamoDB for database management ⭐⭐⭐⭐⭐ Client Testimonial: "We have been able to scale their platform by 300%, which has enabled them to onboard many customers. The team has done a remarkable job, they go beyond their duty & manage the project seamlessly." Let's connect & create a value-driven plan for your next project šŸ‘‰šŸ»
Aleksey Y.
$50/hr
100% Job Success
$100K+ earned
Available now
Offers consultations
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šŸ‘‹ Hi, I’m a šŸ† ā­ļøā­ļøā­ļøā­ļøā­ļøTop Rated Python Web Scraping and Data Mining Expert at GroupBWT - a 100-person engineering team delivering scalable, high-accuracy data extraction and web scraping systems since 2009. I specialize in building end-to-end data mining and lead generation pipelines using tools like Python, Selenium, Playwright, and Puppeteer to extract structured information from complex, dynamic, and protected sources. Over the years, I’ve worked on systems where data mining and web scraping are core infrastructure components, not just scripts. We help clients replace spreadsheets, manual monitoring, and unreliable sources with fully automated pipelines delivered into APIs, dashboards, or databases: āœ… Our Python Web Scraping and data mining systems process over 1.5 million URLs per day, with proxy rotation, retry logic, and real-time monitoring. āœ… We reduce reporting delays by 70% using real-time data mining and web scraping pipelines for inventory, pricing, and market tracking. āœ… Our systems collect and structure more than 15,000 news articles weekly using web scraping and data mining pipelines, converting unstructured content into usable insights. šŸ” What I do šŸ“¦ Python Web Scraping Data Mining: We build large-scale Python Web Scraping data mining systems that extract structured data from marketplaces, real estate platforms, B2B directories, social networks, and news sources. āœ” Product & Price Monitoring āœ” Competitor Analysis āœ” Business Directory extraction āœ” Lead Generation & Contact Discovery 🧹 Cleaning, Enrichment & Integration We don’t stop at extraction - every data mining and Python Web Scraping pipeline includes cleaning, normalization, deduplication, and enrichment. We turn raw outputs into Data Analyst-ready datasets that integrate with CRMs, BI tools, and internal systems. āœ” Document & Market analysis āœ” Data matching and enrichment āœ” Classification and tagging šŸ“¤ Automation & Scalable Delivery We design recurring web scraping data mining pipelines that run daily or hourly with full observability. Every web scraping data mining system includes monitoring, alerts, retries, and structured delivery into APIs, databases, or BI dashboards. āœ” Scheduled web scraping data mining pipelines āœ” Real-time dashboards āœ” Automated reporting feeds āœ” Lead Generation database creation and enrichment āœ” Custom bot developer solutions āœ” Data Analyst-ready dataset 🧾 Data Entry & Data Scraping Support We provide structured Data Entry services: āœ” Lead Generation database creation and enrichment āœ” Data Entry for large-scale scraped datasets into spreadsheets, CRMs, and databases āœ” Data Entry automation for transforming unstructured data scraping outputs into structured records āœ” High-volume Data Entry handling for product, business, and directory information āœ” Data Entry validation to ensure accuracy and consistency across datasets āœ” Semi-automated Data Entry workflows āš™ļø Tech Stack: Languages: Python, JavaScript, PHP Databases: MySQL, PostgreSQL, MongoDB, DynamoDB, MSSQL, Snowflake Frameworks: Scrapy, Twisted, Hadoop, DRF, Laravel, ApacheSpark Containerization: Docker, k8s Message Brokers: RabbitMQ, Redis AWS: EC2, SQS, RDS, S3, Lambda, Gateway, Neptune Libraries: Celery, Puppeteer, NLTK, numpy, pandas, spaCy, TensorFlow, scikit-learn, React-PHP, Keras, sqlalchemy, Gensim, pyTorch RPA & Workflow: Selenium, Playwright, UI automation, Slack/Google Sheets integrations, API workflows, Excel automation Bot Developer: Custom bot developer | data scraper solutions Platform: Databricks, Snowflake, BigQuery, Airflow, DBT, Redshift, Power BI 🧩 SAMPLE WEB SCRAPING & DATA MINING PROJECTS āœ… Built a platform covering 300+ marketplaces using Python Web Scraping and data mining, processing 60M+ records daily āœ… Built pricing intelligence system using data mining and Python Web Scraping across 120+ eCommerce domains āœ… Delivered news intelligence platform powered by web scraping data mining from 80+ global media sources āœ… Built a lead generation platform using Python scraping and web scraping data collection across multiple business directories, generating thousands of verified leads weekly šŸ¤ Why Clients Work With Us: āœ… Enterprise-Grade Web Scraping & Data Mining Systems šŸ”¹ We build full-scale ecosystems, not scripts - every Python Web Scraping and data mining system includes monitoring, scaling, error recovery, and Data Analyst-ready outputs. šŸ”¹ Clients reduce manual work by up to 60% using automated web scraping data mining pipelines šŸ”¹ Result: 25-35% lower operational costs through stable web scraping data mining infrastructure āœ… Built to Scale šŸ”¹ Systems handle 100M+ pages/month using web scraping data mining architecture šŸ”¹ Designed for horizontal scaling of web scraping data mining workloads šŸ”¹ Real-time updates through scheduled web scraping and data mining execution šŸš€ Ready to turn data into structured intelligence using web scraping and data mining? āž”ļø Invite me to your job and let’s build your pipeline
GroupBWT
Associated with
GroupBWT
$3M+
earned
Bohdan P.
$30/hr
100% Job Success
$100K+ earned
Available now
Offers consultations
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I help businesses adapt to rapid technological change and optimize their sales and service workflows using Salesforce. With 9+ years of experience as a Salesforce Developer and Architect, I specialize in building scalable, high-performance solutions using Apex, Lightning Web Components (LWC), and API integrations. My focus is always on delivering measurable business outcomes through smart automation and system design. I have worked with global enterprises and Fortune 500-level companies, including British American Tobacco, DHL, and Airbnb, contributing to large-scale Salesforce implementations and enterprise CRM transformations. I also supported major clients such as Howden Group Holdings, Novidea, and Equifax, delivering Salesforce Sales Cloud and Service Cloud solutions that combine technical depth with business strategy. One of my key achievements includes delivering automation-driven improvements that led to a 50% increase in sales performance for a client. Core Focus: While I am fully specialized in the Salesforce ecosystem, I do not work with Zoho CRM or HubSpot CRM as primary platforms. My expertise is centered on Salesforce CRM only, delivering scalable and enterprise-grade solutions across: • Salesforce Administrator responsibilities • Salesforce Consulting and solution design • Salesforce Development and architecture What I Do: Salesforce Development & Customization • Apex, LWC, Visualforce development • Salesforce Lightning UI enhancements • Custom business logic and scalable architecture Salesforce CRM Implementation • End-to-end Salesforce setup and configuration • Sales Cloud and Service Cloud implementations • System design aligned with business requirements Process Automation & Optimization • Flow-based automation and Apex triggers • Workflow optimization for sales and service processes • Reduction of manual operations and inefficiencies Integrations & APIs • REST API integrations with third-party systems • Salesforce App Development with external platforms • Seamless data synchronization across systems Marketing & Engagement Support • Salesforce Marketing Cloud experience • Customer journey automation • Campaign integration and performance optimization Additional Expertise: • HTML, CSS, JavaScript for Salesforce UI enhancements • System audits and performance optimization • Ongoing support, maintenance, and upgrades • CRM architecture and scalability planning Value I Bring: • Strong balance of technical and strategic Salesforce expertise • Focus on measurable business outcomes • Enterprise-level experience across multiple industries • Clean, scalable, and future-proof solutions If you're looking for a Salesforce Developer, Architect, or Consultant who understands both technical execution and business impact, I’d be happy to connect and discuss your needs.
Bohdan P. has worked .
EverREST
Associated with
EverREST
$100K+
earned
$60/hr
$10K+ earned
Available now
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Experienced software engineer delivering end-to-end product development - from concept and architecture to deployment and production scaling for both web and mobile applications Strong experience developing AI-powered products, including LLM integrations, intelligent automation, data processing pipelines, and AI-driven SaaS platforms Designed and built scalable distributed systems and cloud-native platforms on AWS, Google Cloud, and dedicated infrastructure, focusing on reliability, performance, and maintainability Achievements: Web applications, SaaS Platforms & Business Systems * Designed scalable backend architectures and cloud infrastructure for business applications. * Developed asset maintenance and management platforms for tracking equipment, scheduling maintenance, and generating automated reports. * Integrated with multiple 3rd party providers to support large-scale products * Built analytics dashboards that allowed cutting costs and increased companies profit * Built IoT platforms for management and operational tools for maintenance Cross-Platform Mobile Apps * Built cross-platform apps for business operations and service platforms * Delivered production-ready applications for both iOS and Android * Built mobile tools connected to SaaS platforms for asset management and reporting High-Load Data & Backend Systems * Developed data aggregation services processing millions of API requests daily * Designed microservices and scalable backend architecture for high-traffic marketing systems * Optimized performance and database structures to support rapid growth and unpredictable load spikes
Quality Geek LLC
Associated with
Quality Geek LLC
Nazarii H.
$17/hr
100% Job Success
$400+ earned
Available now
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I'm a Manual QA Engineer with 4 years of experience and 5,500+ hours of hands-on testing across web, mobile, and API products. I've worked with SaaS platforms, CRM systems, logistics solutions, and e-commerce websites - helping teams ship stable releases by catching issues before real users do. I work best on long-term contracts where the team needs a reliable QA engineer who can own the full testing cycle independently - from test plan to release sign-off, without constant handholding. WHAT I DO āœ“ Manual QA Testing ⦁ Functional, regression, smoke & exploratory testing ⦁ End-to-end flow validation ⦁ UI/UX testing & design verification against Figma āœ“ Web & SaaS Testing ⦁ User auth & registration flows ⦁ Dashboard & admin panel validation ⦁ Role & permission testing ⦁ Cross-browser & cross-device coverage āœ“ Mobile App Testing ⦁ iOS & Android testing on real devices ⦁ Cross-device & responsive design validation āœ“ API Testing ⦁ Endpoint validation via Postman ⦁ Request/response verification ⦁ Integration & error handling checks āœ“ E-commerce Testing ⦁ Checkout & payment flows ⦁ Product catalog & filtering ⦁ Order management & post-purchase flows WHAT I'VE SHIPPED SaaS CRM Platform Full-cycle QA for a cloud-based CRM system. Tested user flows, dashboards, role & permission logic, and third-party integrations. Validated API contracts via Postman, ran structured regression before each release, and maintained test cases in TestRail. Logistics Platform End-to-end QA for a logistics web platform. Covered order management, driver assignment, status tracking, and API sync validation. Ran full regression cycles before releases and reported bugs in Jira with clear reproduction steps and severity classification. E-commerce & Corporate Websites Tested multiple web products including e-commerce stores and corporate websites. Covered checkout flows, UI consistency, cross-browser compatibility, and functional testing across different devices and screen sizes. TOOLS I USE DAILY Jira Ā· TestRail Ā· Zephyr Ā· Postman Ā· Figma Ā· Chrome DevTools Ā· SQL Ā· Git / GitHub WHY CLIENTS WORK WITH ME āœ“ Sharp eye for detail - I catch what others miss āœ“ Clear, developer-friendly bug reports āœ“ Fast turnaround without cutting corners āœ“ Honest feedback, not just a checklist āœ“ Product-oriented mindset Let's find the issues before your users do. Manual QA Engineer, Software Tester, QA Analyst, Quality Assurance, Manual Testing, Web Testing, Mobile Testing, iOS Testing, Android Testing, Functional Testing, Regression Testing, Smoke Testing, Exploratory Testing, UI/UX Testing, API Testing, Postman, Cross Browser Testing, Bug Reporting, Test Case Design, TestRail, Jira, Figma, SaaS Testing, E-commerce Testing, Logistics Platform Testing
Nazarii H. has worked .
$20/hr
40% Job Success
$10K+ earned
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I'm a Full-stack Web Developer who’s working with the up-to-date and most effective technologies. I specialize in JavaScript plus frameworks/libraries based on this language. To ensure the highest quality standards, I tend to adhere to best coding practices. My technology stack: - JavaScript/TypeScript - React v18, Next.js - Redux-Toolkit, MobX, Jotai, Zustand - React Query, SWR - Vue 3, Vue-router, Pinia, vee-validate - MUI/React-bootstrap - HTML/CSS/SCSS - Node.js - Express.js - Sequelize - PostgreSQL Text me right away so we can discuss everything and start work immediately.
Dmytro B.
$39/hr
100% Job Success
$400K+ earned
Available now
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I'm a senior full-stack developer specializing in AI and web platform development, building robust SaaS solutions and custom applications that drive real business growth. šŸ¤ I work with businesses and startups to build custom full-stack web platforms and SaaS applications from concept to launch, ensuring your project is robust, scalable, and perfectly tailored to your needs. šŸš€ I offer comprehensive full-stack web development services, specializing in AI integration and custom SaaS platform builds, helping clients transform their ideas into powerful, efficient, and user-friendly software applications. šŸ’” With extensive experience as a senior full-stack developer and engineer, I've built and scaled numerous web platforms and SaaS applications, learning to deeply understand project requirements, architect efficient systems, and deliver clean, maintainable code across the full stack, from React and Next.js to Node.js, Python, and PHP. āœ… As an expert full-stack AI developer, I help businesses achieve their goals by building custom, AI-powered web platforms and SaaS solutions, ensuring seamless integration and long-term support for your critical projects. šŸ›  I leverage modern technologies like React, Next.js, Node.js, Python, and AI APIs (OpenAI, Claude) to solve complex development challenges, helping clients build robust web applications, integrate custom APIs, and automate workflows, including CRM and ERP systems, with efficiency and security. I pride myself on clear communication, proactive problem-solving, and a collaborative approach to every project, ensuring a smooth and successful partnership. Your idea + my skills = something awesome. Let’s talk! Tags: Senior Full-Stack Developer, AI, Web Platform Development, SaaS Solutions, Custom Applications, Engineer, AI Integration, React, Software Applications, Next.js, API Development, Project, Automation, Node.js, CRM Systems, Claude, Python, Architect, AI-Powered Platforms, Business Growth, Code, PHP, Long-Term Support, Workflow Automation, Systems Architecture, ERP Systems, OpenAI, Security, Full Stack Development, Web Development, Application Development, Platform Builds, Custom APIs, Backend Development, Startups, Scalable Solutions, Robust Applications, User-Friendly Software, Maintainable Code, Problem Solving, Concept to Launch, Project Requirements, Efficient Software, Development Challenges, Custom Web Platforms, SaaS Applications, Seamless Integration, Software Solutions, Web Applications, API Integration, Proactive Problem-Solving, Collaborative Approach, Business Growth Solutions, Custom SaaS, Full-Stack Web Development, Software Engineer, AI APIs, Systems Integration, Custom Development, Web Solutions, Application Development Services, Platform Development, Startup Support, Clean Code Delivery, Scalability, Robustness, User Experience Last update: June 17, 2026
Dmytro B. has worked .
Coality Agency
Associated with
Coality Agency
$200K+
earned
Hanna  R.
$28/hr
100% Job Success
$4K+ earned
Available now
Offers consultations
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ā— ššØš­ ššš§ š€šˆ-š šžš§šžš«ššš­šžš š”š©š°šØš«š¤ š©š«šØšŸš¢š„šž. š‘šžššš„ ššžšÆšžš„šØš©šžš«š¬. š‘šžššš„ š©š«šØšš®šœš­š¬. š‘šžššš„ šœšØš¦š¦š®š§š¢šœššš­š¢šØš§ ā— šŸ† Top 10% Rated Plus Mobile App Developer | 100% Job Success | šŸš€ 8+ Years of Experience šŸ“± iOS & Android App Development | Kotlin | Swift | React Native | Flutter | AI | Full Stack I’m a Mobile App Developer with 8+ years of experience delivering high-quality Mobile App Development projects for iOS and Android. I build scalable, secure, and user-friendly applications that solve real business problems. As a Full Stack Developer, I handle both frontend and backend, ensuring that every stage of Mobile App Development — from idea to release — is smooth, structured, and efficient. My approach combines strong engineering with thoughtful Mobile App Design to create products users actually enjoy. I’ve worked with startups and established businesses, helping them launch reliable apps with strong performance and clear growth potential. šŸŽÆ What I bring: āœ”ļø 8+ years of experience as a Mobile App Developer in Mobile App Development (iOS & Android) āœ”ļø Strong expertise in Swift and Kotlin for native Mobile App Development āœ”ļø Experience as a Full Stack Developer working with backend systems and APIs āœ”ļø Cross-platform experience (React Native, Flutter) when needed āœ”ļø Full-cycle Mobile App Development from idea to release āœ”ļø Clean architecture and scalable solutions āœ”ļø Performance optimization and long-term support āœ”ļø Experience building AI-powered features with a focus on Mobile App Design šŸ“± Types of apps I build: • Taxi & Transportation apps with real-time tracking and intuitive Mobile App Design • Booking & Scheduling platforms with scalable backend (Full Stack Developer approach) • Fitness & Health apps with wearable integrations • AI-powered apps (chatbots, automation tools) • Fintech & payment solutions with secure architecture • E-commerce apps with conversion-focused Mobile App Design • Social platforms with messaging and real-time features • Streaming & content apps built through robust Mobile App Development • SaaS products, dashboards, and business tools • IoT & wearable integrations (including Apple Watch) šŸš€ My approach: As a Mobile App Developer and Full Stack Developer, I focus on delivering Mobile App Development solutions that are reliable and scalable: ā–Ŗ Clear architecture and structured development process ā–Ŗ Clean, maintainable code ā–Ŗ Strong focus on user experience and Mobile App Design ā–Ŗ Solutions built for long-term growth šŸ›  Tech Stack & Expertise šŸ“± Mobile Development Swift (UIKit, SwiftUI), Kotlin (Jetpack Compose, Android SDK) React Native, Flutter āš™ļø Architecture & Patterns MVVM, MVI, Clean Architecture, SOLID Modular and scalable app structure 🌐 Backend & APIs REST APIs, GraphQL Firebase (Auth, Firestore, Cloud Functions) Supabase Custom backend systems šŸ’³ Payments & Monetization Stripe, in-app purchases (Apple / Google) Subscriptions and secure payment flows šŸ”” Real-time & Core Features Push Notifications (FCM, APNs) Real-time systems, chat, WebSockets šŸ” Authentication & Security OAuth, JWT, social logins Secure storage and data protection šŸ“Š Performance & Optimization App performance tuning Network optimization, offline-first approach šŸŽØ UI/UX & Product User flows, wireframes, prototyping Pixel-perfect implementation and strong Mobile App Design šŸ”Œ Integrations Maps, geolocation, analytics tools Third-party SDKs and APIs šŸ“© If you’re looking for a reliable Mobile App Developer who can deliver end-to-end Mobile App Development as a Full Stack Developer — let’s connect and build something great. Hanna R.
Natife Mobile
Associated with
Natife Mobile
$700K+
earned
$36/hr
100% Job Success
$300K+ earned
Available now
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An active Laravel and Yii 2 developer in the past, I now continue to expand my skills. I'm a Full-stack developer. Can work efficiently with Back-end and Front-end And I make sure that you get what you want in planned time. We design SaaS applications. We design web apps. We design stores. We design CRM platforms. We design a lot more. And then we code it! And I make sure that it all goes according to the plan. And if you still don't have a plan - I will make one for you. I make websites work: SaaS, CRM - function; marketing automation - deliver; and portfolio sites - allure! Here are only a few of the technologies: - Yii 2, Laravel, Symfony (PHP frameworks) - NodeJS, AngularJS, ReactJS, Socket.io (JavaScript) - Plain HTML/CSS/JS/LESS - MongoDB, MySQL, MariaDB, PostgreSQL - Doctrine2 (PHP + SQL) - Vagrant(virtualization manager) Experience with services integration: - Payment gateways (Pay_Pal, Stripe, Authorize, etc.) - Email services (Mail Chimp, MailJet, etc.) - Cloud solutions (Amazon AWS, Google Cloud) - Elastic search & amp; Logstash I am working smart and efficiently to deliver effective solutions.
TuneLAB
Associated with
TuneLAB
$1M+
earned
Vasyl S.
$50/hr
100% Job Success
$100K+ earned
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Senior Full-Stack Developer • Performance Optimization Expert Java, Kotlin, JavaScript (frontend/backend), C++, Python, PHP, Perl SQL/NoSQL, Web/Desktop apps, Automation, Web Scraping I help companies make their software faster, lighter, and more efficient. 20+ years of hands-on experience in system performance tuning, profiling, solving bottlenecks, and refactoring legacy systems. If your application is slow, unstable, memory-hungry, or needs deep analysis — I can fix it. āø» 🧩 My Core Expertise • Performance optimization (Java/JVM, databases, backend services) • Query optimization, memory leak detection, code profiling • Refactoring legacy code, stabilizing old systems • Full-stack development (Java/Kotlin + JS, Python, PHP, Perl, C++) • Web automation & scraping • Systems analysis, debugging, complex issue resolution āø» šŸš€ What I Deliver • Faster request processing • Reduced memory & CPU usage • Significantly improved database performance • Clean, maintainable, well-structured code āø» šŸ¤ Availability Open to long-term or part-time collaboration (30–40 h/week). Also interested in innovative startups: your idea — my implementation. āø» Let’s make your software fast, stable, and scalable!
Vasyl S. has worked .