Upstaff Developer Profile Directory

- 15+ years of professional experience in system administration and Windows/Linux IT infrastructure management; - Knowledge of the full device lifecycle, debugging, patching, software deployment; - Experience with virtualisation/containerisation technologies (Hyper-V, VMware, Proxmox, Docker) and cloud platforms (AWS, Azure); - Automation experience using Ansible, PowerShell, and Bash scripts; - Experience with infrastructure monitoring and troubleshooting (Zabbix, Nagios, Grafana, CheckMK, Splunk, ELK stack); - Skilled with backup and disaster recovery solutions (Veeam, Avamar) and centralised log management (rsyslog, ELK); - Experience with IAM, VPN configuration, and secure remote access management; - Knowledge of ITSM tools and workflows, including JIRA, Asana, GLPI, and Notion; - Experience with SaaS platforms administration and integration (Google Workspace, GitLab, Tableau, HubSpot, Miro, Slack, etc.); - Led the team of system administrators, documented processes, and managed assets.

Experienced IT professional with more than ten years of expertise in Cloud Systems, DevOps, Machine Learning and MLOps practices. Pavlo specializes in building scalable and reliable ML pipelines, optimizing models for real-world use, and managing full lifecycle of machine learning projects. Pavlo's technical skills include TensorFlow, PyTorch, Kubernetes, Kubeflow, Terraform, Python, as well as cloud platforms and services such as AWS SageMaker and Azure Cognitive Services.

- Over 20 years in IT with a master's degree in Cybernetics - Proficient in Ansible: Extensive experience in deploying and managing Ansible-driven infrastructure, particularly highlighted in roles as SRE/Architect (Aug 2018 – Present) and Senior DevOps Engineer/Lead Sysadmin (Aug 2020 – May 2021), where Ansible was pivotal in scaling a learning platform from 1,000 to over 100,000 students and in key migration projects. - Expertise in Windows Environments: Demonstrated strong skills in managing Windows environments, especially as an SRE/Architect (Aug 2018 – Present) and CTO (2013 – Mar 2022), involving Windows AD+MSSQL backoffice management and ITIL Service Management framework implementation on Windows platforms. - Versatile IT Roles with Ansible and Windows: Across various roles including IT Service Manager, Senior DevOps Engineer, and CTO, consistently applied Ansible and Windows technologies in large-scale infrastructure projects and day-to-day operations, showing versatility and depth in these areas. - Managing the growth of the learning platform from 1,000+ to 100k+ active students - ITIL v3 Foundations Certificate - More than 5 years of experience in leading ITIL Service Management capability and implementing end-to-end ITIL Service Management framework - Strong experience in using ServiceNow and Jira Service Desk for ITSM - Experienced IT/Telecom Specialist - UNIX and UNIX-Like OS (FreeBSD, Linux, SunOS, MacOS X) background - Over 20 years of Windows/windows server family. From NT4.0 /win3.1 up to Server2019. As well as upgrading Up to 15 years with server HW, and 13 years with storage solutions - Infrastructure problem-solver with a strong view on reliability, performance, and disaster recovery - Fluent English

Ivan is a Lead Kotlin/Java Engineer with solid experience in backend and Android development. He builds reliable and maintainable applications, works well with cross-functional teams, and enjoys improving codebases and system architecture. Ivan is comfortable mentoring others and contributing to both mobile and backend projects, making sure they run smoothly and efficiently.- Software Engineer with 5+ years of experience in developing Android and backend solutions in the healthcare, fitness, and automotive industries; - Strong Skills with Kotlin, Java, and TypeScript, creating Android applications on Jetpack Compose, Firebase, Android SDK, KMM, as well as backend solutions on Spring Boot (and basic experience with Node.js / React for integrations and prototypes); - Experienced with AWS (Serverless, Lambda, S3, API Gateway) and GCP, builds cloud infrastructure, and is undergoing Google Cloud certification; - Skilled with Firebase as a backend platform; - Experience CI/CD, Docker, GitHub Actions, works according to Agile principles; - Interested in implementing AI models in production solutions.

- 10+ years in Forecasting, Analytics & Math Modelling - 8 years in Business Analytics and Economic Processes Modelling - 5+ years in Data Science - 5+ years in Financial Forecasting Systems - Master of Statistics and Probability Theory (diploma with honors), PhD (ABD) - BSc in Finance - Strong knowledge of Math & Statistics - Strong knowledge of R, Python, VBA - Strong knowledge of PostgreSQL and MS SQL Server - 3 years in Web Development: Knowledge of C#, .Net and JavaScript for web development - Self-motivated, conscientious, accountable, addicted to data processing, analysis & forecasting - Engineering, Understanding AI and LLMs

- Oriented Data and Business Intelligence Analysis engineer with Data Engineering skills (SQL, Airflow). - 6+ years of experience with Tableau (Certified Tableau Engineer) - Experience in Operations analysis, building charts & dashboards - 20+ years of experience in data mining, data analysis, and data processing. Unifying data from many sources to create interactive, immersive dashboards and reports that provide actionable insights and drive business results. - Adept with different SDLC methodologies: Waterfall, Agile SCRUM - Knowledge of performing data analysis, data modeling, data mapping, batch data processing, and capable of generating reports using reporting tools such as Power BI (advanced), Sisence(Periscope) (expert), Tableau (Advanced), Data Studio (Advanced) - Experience in writing SQL Queries, Big Query, Python, R, DAX to extract data and perform Data Analysis - AWS, Redshift - Combined expertise in data analysis with solid technical qualifications. - Advanced English, Intermediate German - Location: Germany

- DevOps/Cloud Architect with 10+ years of experience in DevOps, Cloud, and MLOps engineering; - Led large-scale projects including Hadoop-to-AWS OLAP migration, cutting operational costs by 25% and improving system performance; - Expertise in Kubernetes-based microservices architectures, AWS Fargate, and high-availability designs achieving 99.99% uptime; - Experience in multi-cloud (AWS, GCP) and hybrid on-prem/cloud adoption; - Skilled in containerization and orchestration with Docker, Kubernetes, and OpenShift; - Advanced in Infrastructure as Code (Terraform, Helm, Ansible) and GitOps/CI/CD automation (GitLab CI, GitHub Actions, ArgoCD, Jenkins); - Delivered automated CI/CD for serverless apps with AWS SAM, reducing deployment time from hours to 20 minutes; - Experienced in MLOps with AWS Sagemaker and Kubeflow, building end-to-end ML workflows; - Skilled in DevSecOps, implementing RBAC, Secrets Manager, SAST/SCA scans, reducing vulnerabilities by 50%; - Skilled in cloud networking, storage, and big data systems (Spark, Hadoop, EMR, Kinesis); - Expertise in Python, Go, Java, and Bash for automation and integration; - Experience of technical leadership, mentoring engineers, and guiding 50+ developers in Kubernetes/Docker adoption; - Experienced in architectural design, Cloud as Code initiatives, and cross-team collaboration; - Certified Kubernetes Administrator (CKA), AWS Solutions Architect, and GCP Professional Cloud Architect.

- 10+ years in AI/ML & Data Science, high-performance systems, 10+ years in DevOps and 5+ years in MLOps; - Expertise in Python, Asyncio, Aiohttp, Redis, PostgreSQL, Neo4j, ElasticSearch, and cloud platforms (AWS, GCP, Azure); - Experience with high-load environments, Redis queues, custom assemblies, and data isolation in production-ready systems; - Skilled in Active Directory integrations, NLP, similarity engines, and AI-driven architectures, with focus on context engineering, summarization, and agentic RAG pipelines (LlamaIndex, Quadrant, IntentRouter); - Experienced with both text and voice AI models (speaker identification, speech-to-text) and ontology-driven algorithms (PCA, classifiers, semantic understanding from scratch); - Knowledge of AWS services (S3, EC2, Fargate, EKS, Bedrock pipelines), Kubernetes, CI/CD automation, and cloud migrations (AWS to GCP); - Passion for NLP, AI, and similarity engines, with preference for applied AI/ML approaches over purely statistical methods; - Experienced leadership in R&D and engineering management, delivering production-ready AI/ML solutions in defense, search, and semantic platforms.

- Senior Blockchain Engineer with 20+ years in software development and a strong track record in the Solana ecosystem; - Experienced in Rust for Solana smart contract development, with extensive experience building on-chain programs for DeFi, staking, NFT, and messaging platforms; - Skilled in full-stack development: React and TypeScript for front-end dApps, Node.js and Python for backend systems; - Experience with AWS and Google Cloud for scalable cloud applications and infrastructure; - Ability to lead teams and manage projects, including migrating Ethereum products to Solana (Community Gaming); - Skilled in blockchain frameworks and tools: Anchor, CPI, Metaplex, Token-2022; - Strong SQL background with hands-on experience in PostgreSQL, MySQL, and SQLite; - Experienced in system architecture, Linux server administration, and distributed applications; - Notable achievements include leading Solana product delivery for NeuralBond (on-chain messaging) and Palus Finance (staking platform).

* 7 years of experience in a Web Development team environment. Experience with Web Technologies: HTML5, CSS3, PHP, Symfony, Laravel, Javascript, Vue.js and jQuery. * Working knowledge of Data Formatting Technologies: XML, XSL, and JSON. Experience with Web Servers: Apache and NGINX. * Strong understanding of Utility Languages: FTP, SSH, Shell Scripting. * Working knowledge of Content Management Systems: WordPress, modX. Experience with Common Development tools (Git, SVN, etc).

- 12+ years of experience in IT, with 12+ years in Data Engineering and Data Architecture, including Oracle Databases, Data Warehousing, Big Data, and real-time streaming systems; - Experience in designing and maintaining enterprise Data Warehouses, leading cloud migration initiatives across Azure, AWS, and GCP; - Strong architectural expertise in ETL/ELT pipelines, batch/real-time processing, and data governance/quality frameworks; - Deep knowledge of Big Data ecosystems (Cloudera, Hadoop, Databricks, Synapse Analytics, HDInsight, AWS EMR); - Skilled in multi-cloud architecture design using Snowflake, DBT, Cosmos DB, Redshift, BigQuery, Athena, and Data Lake solutions; - Experienced in data streaming and integration with Apache Kafka, Apache Spark, PySpark, and Airflow; - Expertise in BI and reporting systems with Power BI and Tableau for data visualization and analytics delivery; - Strong foundation in database administration and security: Oracle EBS R12, RAC/ASM, WebLogic, SOA Suite, ERP systems, database audits and compliance; - Certified in Azure Data Engineer, AWS Data Analytics Specialty, Confluent Kafka, Oracle DBA.

10+ years of experience in web development, M.Sc in Software Engineering, GAI, LLMs Front-End: Angular, React, Vue.js (JavaScript & TypeScript) Back-End: Node.js, Next.js, TypeScript , PHP Mobile: React Native AWS Cloud infrastructure Control systems (e.g., Git) and familiarity with DevOps practices for continuous integration and deployment (CI/CD). Unit testing, integration testing, and end-to-end testing. Experience leading and mentoring a team of developers, including assigning tasks, providing guidance, and ensuring the team's success. Ability to motivate and inspire team members, resolve conflicts, and provide constructive feedback. Experience conducting assessments and interviews remotely.

- Data Engineer with a Ph.D. degree in Measurement methods, Master of industrial automation - 16+ years experience with data-driven projects - Strong background in statistics, machine learning, AI, and predictive modeling of big data sets. - AWS Certified Data Analytics. AWS Certified Cloud Practitioner. Microsoft Azure services. - Experience in ETL operations and data curation - PostgreSQL, SQL, Microsoft SQL, MySQL, Snowflake - Big Data Fundamentals via PySpark, Google Cloud, AWS. - Python, Scala, C#, C++ - Skills and knowledge to design and build analytics reports, from data preparation to visualization in BI systems.

* Master’s Degree in Computer Science * 19 years in Software Engineering: Python, Kotlin, Swift, C/C++, and TypeScript in software engineer, team lead, and software architect roles. * Data processing with numpy, pandas, moving pandas, airflow, spark,and nifi. * Designed and implemented a scalable multi-microservice backend for an enterprise AdTech CRM, integrating 10+ third-party services and streamlining client management operations. * Built and deployed a billing system for a money exchange platform, integrating third-party payment systems and delivering a user-friendly web interface for seamless transactions. * Optimized data processing pipelines by implementing quantiles on streams, enabling real-time analytics and supporting large-scale data operations for scientists and business stakeholders. * Extensive background in data processing and reporting. Good abilities in SCM tools like Git, and in multi-threading and networking. Strong skills in Docker, gRPC; * Cloud service platforms: AWS, Google Cloud, and MS Azure; * Experience with DBMS, PostgreSQL, MySQL, MongoDB; * Certificated knowledge of Blockchain; * Certified Senior Go Engineer (12 years with GoLang).

Data Science engineer with over 3 years of practical commercial experience in Natural Language Processing (NLP), Computer Vision (CV), and Recommender Systems. Available skills in data analysis using machine learning approaches to satisfy business needs, problem-solving, and other tasks in this sphere. A person, focused on obtaining the best results, using all knowledge and skills. Friendly and ready to help the team complete tasks and solve certain problems.

- Python Developer with 5+ years of experience in backend development and automation: Django (3 years), Flask, and Fast API for web application development; - Maintaining and supporting production systems using FastAPI and SQLAlchemy, API integrations including financial services and crypto platforms; - Built and supported Telegram bots and automation tools for business operations; - Docker containerization: Docker-compose, Docker via Render (serverless). Deployment and Linux server management (Ubuntu); - Familiar with data reporting and basic analytics through internal monitoring tools; - Open to part-time and distributed team environments with a focus on ongoing system support. - Reached the Top 10 freelance Python engineers on the local market at the age of 17 (showcasing early talent and initiative). - Worked on projects with a multi-million user base, contributing to scalable architecture and high-load system stability. - Successfully launched an educational platform in the USA, now actively used by students, tutors, and academic institutions. - Represented the dev team at the international Wefi Beyond Banking Summit, delivering a product presentation to a global fintech audience.

Software Engineer with proficiency in data engineering, specializing in backend development and data processing. Accrued expertise in building and maintaining scalable data systems using technologies such as Scala, Akka, SBT, ScalaTest, Elasticsearch, RabbitMQ, Kubernetes, and cloud platforms like AWS and Google Cloud. Holds a solid foundation in computer science with a Master's degree in Software Engineering, ongoing Ph.D. studies, and advanced certifications. Demonstrates strong proficiency in English, underpinned by international experience. Adept at incorporating CI/CD practices, contributing to all stages of the software development lifecycle. Track record of enhancing querying capabilities through native language text processing and executing complex CI/CD pipelines. Distinguished by technical agility, consistently delivering improvements in processing flows and back-end systems.

- 12+ years of experience in IT - 10+ years of experience with XSLT - Writing, testing and maintaining the XSLT code that applies some filtration and conditions on XML - Converting IATA NDC Standard XML Content format into IATA NDC Standard XML format using XSLT - Familiar with many processing engines like Saxon (Java) - libxslt (C) - Python’s package - Upper-intermediate English - Available ASAP

- 3 years of experience in Plutus / Cardano smart contracts developer role (Plutus Core, Plutarch) - Cardano ecosystem knowledge - Haskell, Scala, Cabal/Stack, GADTs/Type families, Generics, Servant, lenses, mtl, free monads - senior-level professional - Functional programming with FRP, Redux, Event sourcing, Category theory - OOP, OOD, UML, Design patterns, SOLID, DI. TDD, BDD, Unit, functional, and integration testing - 14 years of experience in software engineering

Experienced engineer with 11 years of experience in the following areas: - Adobe AEM Lead Developer (AEM 5.6 Lead Developer Certified) - Java, JavaScript (React), Vanilla JS - AEM Component creation (UI as well as server-side), including both reusable and page components with best in standard coding practices - AEM DAM (Digital Asset Management) - Servlet, Job Scheduler, Search Functionality, Email API, Sightly - Workflow implementation - MSM-Creation of multilingual sites using live copy - Selective Dispatcher cache invalidation - Unit testing frameworks, such as JUnit and Mockito. - Source control management tools, such as Apache Subversion, Git - Well-versed with a technical understanding of Extjs, Apache sling, and OSGi, needed for the development of an AEM project, starting from scratch. - Involved in Design, Coding, Testing, Code review, and performance tuning of code and queries.

- 10+ years in software quality engineering with priority in automation testing and SDET; - Programming languages: Javascript, Typescript, Ruby, Java (Basic); - SQL Server SQL/TSQL, MS SQL Server 2005/2012, PostgreSQL/MySQL/MongoDB, MariaDB; - Methodologies include Agile, Scrum, TDD, and BDD; - Projects with large software service companies, SMBs and startups. Domains include CRM, banking, healthcare, insurance, and trading. Business oriented projects, working as team member and independent engineer ( USA, France, and UK teams), open source projects; - Created test documentation/test plan; Performing functional, integration, e2e, API, system testing of product; - Automation with Cypress, and CI/CD maintenance using tools like Jenkins, CircleCI, Docker, Github Actions, GitlabCI, and AWS cloud infrastructure; - QA tools include Cypress, Cucumber, Jenkins, Postman, Selenium and Capybara; - Holds a Master's Degree in Network Engineering and Economics; - ISTQB Certification. AWS and Cisco security trainings. - Availability and start: full-time, in two weeks

• 15+ years of commercial software development experience • Solid knowledge of Solidity, C++, JavaScript, TypeScript; • Deep understanding of blockchain architecture and smart contract logic; • Cosmos, Tron, Avalanche, Binance Smart Chain, Ethereum dApps; • Strong skills in developing NFT smart contracts. Support and payload verification; • NFT Marketplaces (ERC - 721/1155), Crypto Payment Solutions & DeFi Cross Chain Bridges - ERC-20 Tokens, ICO, DEX, Staking, Swapping; • Highly qualified knowledge of Stripe payment system integration to blockchain data; • 10+ years experience working with Python; • 5 years experience working with Node.js; • Strong abilities with Express; • Experience working with Docker, and Kubernetes (K8s); • 3+ years of development experience with React.js. • No scheduled vacations within the next 3 months;

- 9 years of proven professional expertise in the IT industry; - Advanced experience in Web Development using JavaScript 7+ years; - Solid experience in software development using ReactJS and React Native (6+ years); 3 Years with Node.js - Good experience in Web development using PHP; - Beginner experience in Web Development using Ruby on Rails; - Beginner experience in Web Development using Java; - Upper-Intermediate English

- 7 years of commercial experience with Tableau - 8 years of experience as a BI Consultant, providing data visualization expertise in Tableau, Power BI, Python, SQL - Created visually compelling and interactive Tableau dashboards for clients in the real estate domain in the US - Upper-Intermediate English

- IT experience starting in 2015. - Experience with the full lifecycle of designing, developing, installing, configuring, and maintaining applications on SharePoint 2007/2010/2013/2016/2019 Online. Nintex products (Workflows, Forms) - Strong knowledge of .NET, C#, ASP.NET, HTML (HTML5), JavaScript, CSS (CSS3). - Experience with Dynamics CRM, Power Apps, CDS, Power Automate, TypeScript, jQuery, Bootstrap (3, 4), Data Tables, SharePoint libs, ReactJS, React-Redux, Vue.js, Semantic UI. - Extensive experience with MS Visual Studio 2012/2013/2015/2017/2019, VS Code, TFS, Jira, Git. Android, Windows Phone, Xamarin, Outlook Add-ins, Outlook framework, React Native, Parse Platform, Firebase. - Upper-Intermediate English

- 14 years of AEM experience in design, development, integration, and delivery of small to large-scale enterprise-level applications. - An experienced solution architect with a keen interest in business domains, hands-on in technology-based solutions, and a strong focus on delivering measurable value. - Industry Experience: Vast industry experience covering aviation, telecommunications, media, finance, retail, mutual funds, and services sectors. - Technical skills: Best-in-class analytical and problem-solving skills with a track record of on-time and within-budget delivery. - Soft skills: Ability to build strong personal and professional relationships using excellent interpersonal skills. - E-commerce and AEM Expertise - Certificated Adobe Experience Architect, Components Developer, ManagerAreas of expertise include: - Digital transformations including Content Management Systems (CMS) like Adobe Experience Manager (AEM/CQ5). - Application/Software development right from inception to implementation - Implementation strategies, planning, and execution - Agile methodologies such as continuous integration and continuous delivery, features/domain-driven development, extreme programming - Worked with esteemed customers like ANZ Bank, Old Mutual Group (South Africa), Ford, Farmers Insurance, Aegon Insurance, LaQuinta, Cummins, and AT&T in consulting roles - Fluent English

- 5 years of experience in the IT industry as a Python Engineer - Proficient in using technologies such as Django DRF, Flask, Pandas, BeautifulSoup, SQLAlchemy, Asyncio, Flask + Marshmallow, Apscheduler, Jinja, Quip API, Docker, Nginx, Amazon MWS API, Amazon SP-API, Google API, and Telegram API; - Strong in refactoring, bug-fixing, and working with Python, JavaScript, Django, Django Rest Framework; - Skilled in developing faceted search and matching algorithms using ElasticSearch; - Experienced in PDF generation and importing from various formats; - Developed web applications, API interfaces, and automated scripts for data transformation; - Previous experience includes working as a Python developer focused on data scraping for Amazon, eBay, and Walmart products in dropshipping projects; - Also worked as a C# developer on various projects, specializing in web development, scraping, and parsing data; - Upper-Intermediate English; - Available ASAP

- 8 years experience with various data disciplines: Data Engineer, Data Quality Engineer, Data Analyst, Data Management, ETL Engineer - Automated Web scraping (Beautiful Soup and Scrapy, CAPTCHAs and User agent management) - Data QA, SQL, Pipelines, ETL - Data Analytics/Engineering with Cloud Service Providers (AWS, GCP) - Extensive experience with Spark and Hadoop, Databricks - 6 years of experience working with MySQL, SQL, and PostgreSQL; - 5 years of experience with Amazon Web Services (AWS), Google Cloud Platform (GCP) including Data Analytics/Engineering services, Kubernetes (K8s) - 5 years of experience with PowerBI - 4 years of experience with Tableau and other visualization tools like Spotfire and Sisense; - 3+ years of experience with AI/ML projects, background with TensorFlow, Scikit-learn and PyTorch; - Extensive hands-on expertise with Reltio MDM, including configuration, workflows, match rules, survivorship rules, troubleshooting, and integration using APIs and connectors (Databricks, Reltio Integration Hub), Data Modeling, Data Integration, Data Analyses, Data Validation, and Data Cleansing) - Upper-intermediate to advanced English, - Henry is comfortable and has proven track record working with North American timezones (4hour+ overlap)

- 7 years of commercial experience with JavaScript, ECMAScript 6. - 5 years with Vue.js framework (including Vue 3 core principles, Style Guide, Composition API, official documentation of the framework) - Deep understanding of HTML5 and CSS3. - Interacting with API endpoints and other web services. - Converting UI/UX mockups into functional web applications with pixel perfection - Experience with responsive layout, web sites, mini applications in JS and SPA in Vue.js. - Familiar with SOLID, DRY and other clean code design principles. - Experience with UI components like UI Kit & Bootstrap - Unit tests (Cypress) - Projects with Wordpress - Intermediary English

* 25 years in Israel high-tech (Video, Streaming) , 5 years with Cloud Gaming (Electronic Arts) * Scalable Video Streaming among LEO satellites (research project of Ben Gurion University) * Cloud Gaming: encoding, decoding, low latency streaming (e.g. RTP/SRT), error resilience etc. * Video Codecs: Subcontracting with Visionular on improving coding efficiency of its own HEVC encoder. * Subcontracting with DSP-IP - military projects * Video optimization and hevc codec development (Beamr Imaging) * Python Programming: development automated testing systems (CI), proofs of concept, computer vision with packages cv2 and cvlib. * Artificial Intelligence: genetics/evolutionary optimization of video codec parameters, facial expressions detection with CNN. * 360/VR: subcontracting with Texel (texel.live) - tiled streaming Computer Vision: OpenCV (including python cv2). * NVIDIA/AMD products: evaluation and modification hw encoders: Tesla T4, A40) of NVIDIA and Navi21 of AMD. * and several technical papers and several technical papers

* Accomplished Solution Architect, Technical manager with 13+ years of progressive experience in architecture design and a comprehensive understanding of project management and software development. * Orchestrating process implementations, ensuring tasks are completed within strict deadlines and budget, and delivering tangible business benefits. * Operational expertise includes Strategic Planning, Process Optimization, Change Management, Risk Management, Compliance and Governance, Requirement Analysis, Delivery Management, Process Improvement, Client Engagement and Retention, Business Analysis, A/B analysis, Product strategy developing, Report generating, and Compiling result reports. * Leadership and Management: Team building, Stakeholder Management, and Conflict Resolution.

- 5+ years of experience as a Front-end JavaScript Developer; - 5+ years of experience in React.js; - Proficient in Solana Blockchain operations, including managing deposits, executing transfers, creating Phantom wallets, and handling contract call interactions; - Strong abilities working with Web3; - Deep experience in Next.js technology; - Experience with WebRTC, Soket.io; - Good knowledge of Tailwind CSS, Bootstrap, and Chakra UI; - Experience working with Redux, and Docker; - Familiar with Node.js; - Proficiency in testing frameworks like Jest and Cypress; - E-commerce, web, and mobile applications, including learning platforms, chatbots, dApps, and cryptocurrency wallet extensions.