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Hey! My name is Matko and I can provide more power to your team! I can build full-stack web apps following best practices from scratch using technologies but I will be most efficient in the JS/TS ecosystem. If I would build scallable web app today I would deploy it using AWS services like Fargate. If I had to build multiple independantly deployable services I would exchange messages using AWS SQS. I can create a multi-stage Docker image so that the production stage is headless with minimum size and build stage image accessible to developers for attaching the shell onto and maintaining the code-base without depending on the local environment setup like managing Node versions with nvm. If you want to save money and time I can do this for you and share the know-how so you can apply this to every other microservice you will work on. In the today's world of AI I can consult your team how to employ Aai agents to work for you and stay in control avoiding the risk of not knowing how internal logic works. I would love to have a chat with You! Best, Matko
Personally I am passionate about programming languages in general, enjoying clear understanding about the way they work. I can help you to learn programming languages, including unconventional ones, like Lisp, Erlang, Prolog, Haskell or Scheme. I also can help you with academic topics such as Lambda Calculus, Finite Automata (Finite State Machine), Push-Down Automata, Finite State Transducers and others. I enjoy explaining complicated things in a simple way. My past production experience mostly comprises from three things: - backend development with Ruby on Rails on various small and average-size projects - work on Flussonic video streaming server at Erlyvideo company using Erlang - frontend development using React, JavaScript and also a wide range of other languages and technologies.
I'm Matei, a full-stack developer with over 10 years of experience, specializing in JavaScript, React, and Node.js. I help developers at all levels overcome challenges, from debugging complex issues to understanding core concepts. My approach is patient and tailored to your needs, ensuring you gain confidence and clarity in your coding journey. Format: - regular (long term) or one-time - for any level (beginner/intermediate/advanced) - personalized take-home tasks & resources - 45-90min sessions, up to 6hrs/day on request Availability: - 4:00-18:00 UTC on workdays - irregular on weekends - last minute or late night sessions on request (email matei@copot.eu) Technologies: - JavaScript: ESNext, NodeJS/Deno, TypeScript, React, Vue, NodeMCU, & more - Front-end Web Dev: HTML5, CSS3, responsive design, PWAs, SPAs, & more - Back-end Web Dev: Express/NextJS APIs, Python, AWS, Docker, SQL, PHP, & more - App Dev: Mac/Linux & Android, Electron, Expo, Python, Stripe, UX, & more - others: always curious about other technologies, e.g. haskell, ruby, WASM, WebGL... = Why me? I'm typically paid €100/hr by top companies, so the lower rate here means you're getting top-tier expertise at an accessible price. I enjoy mentoring because it brings variety and a more collaborative and relaxed dynamic. I have a proven track record of guiding learners from zero experience to landing high-paying jobs. My teaching adapts to your pace and goals: you'll always get honest, actionable advice, including what's realistic and what's not. If you're serious about growing your skills or career in tech, I'd be glad to support your journey.
26 yo Master of Applied Informatics from Saint-Petersburg, Russia — home of World Programming Contests Champions. Ask me everything if your headache contains some of these words: Go (golang), PHP, Laravel, Vue, React, Node.js, JavaScript, Postgres, SQL, MongoDB, Docker, Kafka, GRPC (Protobuf), JSON-API, Firebase and so on. Do you use a Laravel, Vue.js, Vuex or any other framework, library or technology? I came across this and spent thousand of hours to answer my own questions. Are you a beginner? Trust me, I can help you and explain you very complex things in very easy words what makes you to have a fundamental understanding of how things work. P.S. Special offers for Golang newbies since I really like this language!
Accomplished Senior Software Engineer at Conundrum, London, specializing in optimizing ML systems and MLOps with Java, Python, Kubernetes, Spring, and Vert.x for Kafka & Clickhouse feature stores. Also proficient in PostgreSQL and Redis. Recognized for significant achievements, including a 3x improvement in popular queries, a 5x reduction in CPU load for Kafka subscription proxies, and a stellar 15x increase in query speed. I bring a deep understanding of trade-offs, balancing performance enhancements with resource efficiency. Actively contributing to open-source projects such as Keycloak, Apache Camel, Apache Ignite, Clickhouse, Zipkin, and Tornado Swagger, with diverse contributions from implementing a fix for header override by Azure Storage Blob download consumer to advanced features like target encoding preprocessor and CatBoost inference integration. Armed with a Master’s Degree in applied mathematics and computer science from Lomonosov Moscow State University, I am passionate about driving innovation in machine learning technologies.
Hi, I did my PhD in statistics with a focus on machine learning at the TU Dortmund University. I am experienced in **R** and especially the following packages: - *mlr* (co-author) - *mlr3* (co-author) - *mlrMBO* (author) - data.table - shiny - knitr and many more and R package development in general. Since 2018 give R programming courses with the following topics: - R for beginners - Advanced R - Interactive R programs with *shiny* - Dynamic reports with *markdown* and *knitr* - Black-Box-Optimization with *mlrMBO* Since 2020 I work as a senior R engineer at Civey.
Jack-of-all trades programmer who has experience in several technologies. Currently, I'm most experienced Phoenix, an Elixir OTP framework but can fit in any modern MVC framework. I'm also specialized for front end frameworks like VueJS, Angular JS and I'm very enthusiastic about the JavaScript world and I'm all about checking out new rising technologies like Svelte. Eager to learn new technologies and mostly interested in Web software development, especially building high quality backend systems with lots of traffic and making sure everything is optimised and secure for the end users.
I'm currently working as a backend developer using both Rust and Python. I've been the first full-time engineering hire on two startups so I've done many different things across the years spanning the full stack. Most of my experience has been doing backend development though. I have been a trainer both in Spanish and English for security offensive courses.
Software Engineer with 14+ years delivering production systems (11+ years in on-site roles). Full-stack JavaScript expertise across scalable web applications, data analytics platforms, and API integrations. Recent focus on AI agents and workflow automation, including database-connected chat experiences using Mastra, OpenAI, and Vercel AI SDK
Senior Big Data & AI Engineer with 9+ years building data platforms that process 15TB+ daily across AWS, GCP, and Azure. Core focus on agentic AI systems (Google-ADK, LangChain, CrewAI) and production-scale data pipelines on Databricks and Kubernetes. Track record: 40% infrastructure cost reduction, 50% faster data processing, 60% faster analytics delivery through multi-agent workflows and MLOps automation.
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