🌟 Atlassian Specialist: 10+ Years of Expertise in Jira & Automation 🌟 With 17 years in the technology sector and 8 years as an Atlassian Certified Professional, I specialize in Jira, Confluence, Service Desk, and workflow automation. My ACP-100 (Cloud) and ACP-120 (Data Center) certifications enable me to deliver customized solutions that align with your business goals. ⸻ ✨ Jira & Confluence Consultancy ✨ Jira Services: • Jira Setup & Configuration – Initial setup, fine-tuning, and ongoing management. • Workflow Customization – Tailored workflows for your business requirements. • Jira Automation – Automating tasks using Groovy scripting and automation rules. • Jira Cloud Migration – End-to-end migration from Data Center/Server to Cloud (apps, workflows, users). • Custom Plugins & Scripts – Extend Jira functionality with tailored solutions. • Jira Health Checks – Reviews for performance, compliance, and scalability. • Team Training – Practical training sessions for Jira best practices. Confluence Services: • Setup & Management – Initial installation and administrative support. • Content Organization – Structuring spaces, pages, and permissions. • Template Design – Custom templates for projects or departments. • Collaboration Best Practices – Boost team collaboration efficiency. • Plugins & Macros – Enhance functionality with tailored configurations. ⸻ ✨ Additional Services ✨ • Jira Service Management (JSM): ITSM setup with request types, SLAs, automation, and Confluence KB integration. • Performance Optimization: Enterprise-level tuning and monitoring for Jira & Confluence. • n8n Workflows & Integrations: Automating business processes like Facebook Ads workflows, Google Sheets/Drive sync, and API integrations. ⸻ 💡 I combine Atlassian expertise with automation experience to help IT, business, and marketing teams work smarter, faster, and more efficiently.

About me: Experienced in electronics and software developing. Skilled in circuit design, PCB development, FPGA. Proficient in multiple programming languages like Assembler, C, C++, C#, Java, js, Verilog, Bash. Plus, last 4 years an experience of working with AUTOSAR project. Many years of experience to develop and support cross-platform desktop SW under Windows/Linux/MacOS with using Java Spring, Groovy, MSVC, .NET (C#), Qt and bash scripting. Experience in DevOps and logging area: Amazon AWS, Ansible, Packer, Terraform, Concourse, ELK stack and oth. Team Lead experience - capable of managing and guiding developer teams. Worked in teams on projects of varying complexity in companies like Comcast (US) and Harman, Continental (Germany). Friendly, responsible, and punctual, with a collaborative mindset.

I excel in establishing robust foundations for product development with a high-caliber development team, specializing in both on-premise and cloud-based solutions. My expertise spans AI Agents and AI Solutions, Video Editing and Streaming Solutions, Blockchain, SaaS, AI, and IoT applications, driving digital transformation with a strategic approach to technology. Technical Proficiencies: 1. Languages: Java, Node.js, Python, TypeScript, JavaScript, Apache Groovy 2. Frameworks: Spring Boot, Spring, Express.js, NestJS, Django 3. Databases: MySQL, PostgreSQL, MongoDB, ElasticSearch, Redis, Neo4j 4. Architecture: Microservices, Serverless, Monolithic 5. Cloud Expertise: AWS, GCP, Azure 6. AI : OpenAI, Tensorflow, Deepseek, Langchain, Pinecone, ChromaDB Full Stack Development: With around 12 years of experience, I leverage a broad spectrum of technologies to meet diverse business needs. My toolkit includes Angular, Node.js, Express.js, Django, Lucene, Jenkins, and Spring Boot, enabling me to deliver complex projects effectively. My proficiency in high-level languages ensures comprehensive, high-quality solutions. AI Agent, AI Chatbot, and AI Application Development: I build Generative AI-powered Agents, Chatbots, and AI apps for automation and human-like interactions. With expertise in LLMs, NLP, deep learning, and real-time AI, I develop scalable solutions using OpenAI, LangChain, TensorFlow, and PyTorch. My work spans AI-driven automation, SaaS integrations, and conversational AI for support, analytics, and enterprise workflow Security Compliance: My focus on security ensures robust protection and adherence to industry standards: 1. SOC2: Implementing SOC2 compliance measures to secure data and provide assurance on security, availability, processing integrity, confidentiality, and privacy. 2. OKTa: Utilizing OKTa for secure single sign-on (SSO) and user authentication to enhance security and streamline access management. 3. Encryption: Applying encryption protocols to safeguard sensitive information in transit and at rest. 4. Nginx Security: Configuring Nginx for enhanced web server security with rate limiting, IP whitelisting, and SSL/TLS configuration. 5. Continuous Improvement: Exploring and integrating advanced security practices and tools to stay ahead of emerging threats. Microservice Architecture: I design and implement microservice architectures to build scalable, resilient, and flexible systems: 1. Modern Architecture: Breaking applications into modular services to support independent development, deployment, and scaling, enhancing agility. 2. Scalability: Facilitating granular scaling and efficient resource management to handle varying loads effectively. 3. Deployment: Utilizing cloud environments (AWS, GCP) with Kubernetes, serverless computing, and auto-scaling, as well as robust service discovery, load balancing, and inter-service communication for on-premise setups. 4. Resilience and Fault Tolerance: Ensuring operational continuity with redundancy, automated failover, and circuit breakers. 5. CI/CD: Implementing CI/CD pipelines to accelerate build, test, and deployment processes for rapid and reliable updates. 6. Monitoring and Observability: Integrating tools for distributed tracing, metrics collection, and log aggregation to monitor performance and address issues proactively. 7. Security: Applying rigorous security measures for inter-service communication, including encryption, authentication, and authorization. Video Solutions and Video Editing Applications Development: I specialize in developing end-to-end video solutions using technologies like FFmpeg, OpenGL, Fabric.js, and WebAssembly (WASM). My expertise includes: 1. Video Streaming: Creating live and on-demand platforms with low-latency, high-quality streaming, supporting HLS and DASH for adaptive bitrate. 2. Video Editing: Building custom editors using Fabric.js, HTML5 Canvas, OpenGL, and FFmpeg for video processing and video animations. Users can trim, crop, apply effects, and overlay elements with high flexibility, while OpenGL enhances performance for complex graphics, and FFmpeg enables efficient export of edited videos. 3. WASM & FFmpeg.js Integration: Leveraging WASM for browser-based video processing at near-native speeds, enabling complex tasks like encoding, transcoding, and editing without heavy server reliance. 4. Encoding & Compression: Optimizing video quality and performance using codecs such as H.264, VP9, and AV1, ensuring cross-device compatibility. 5. AI Video Processing: Incorporating AI features like automatic tagging, object detection, and summarization to streamline workflows. 6. Video Transcoding Pipelines: Designing scalable transcoding systems for efficient cloud or on-premise video conversion. 7. Security & Compliance: Implementing DRM, watermarking, and encryption to safeguard content while meeting industry standards. My focus is on delivering performant, scalable, and interactive video experiences.

I am an Atlassian certified jira admin and Atlassian's community leader Have 4+ years experience in this field also have strong knowledge with scriptrunner plugin

⭐️ 100% Job Success ⭐️ 320+ Projects with excellent ratings and feedback! Extensive experience in Manual and Automation Testing. Proven success in leading high-impact automation projects. Always up to date with the latest testing frameworks and technologies. WHAT I OFFER -------------------- ◾ Comprehensive Manual/Automation testing for mobile apps and web applications. ◾ Seamless test deployment with continuous integration tools (Jenkins, CircleCI). ◾ API and database testing expertise using Postman and SQL. ◾ Performance testing including load, stress, and scalability assessments. ◾ Security testing encompassing vulnerability scanning, penetration testing, and data protection checks. ◾ Documentation and reporting to maintain clear records of test cases and results. ◾ Collaborative testing integration with development teams. TESTING EXPERTISE --------------------------- - AI Product & LLM Testing Expertise ◾ Experienced in testing AI-powered web and mobile applications including AI chatbots, generative AI tools, browser extensions and custom AI systems built from scratch. ◾ Skilled in validating core AI models, LLM responses, prompt workflows, hallucination handling, context retention and edge cases. ◾ Expertise in testing AI accuracy, response consistency, usability and overall system reliability. ◾ Hands-on experience in testing both AI APIs and complete AI-driven platforms. ◾ Performed functional, usability, API, performance and cross-platform testing for AI products. ◾ Focused on delivering stable, accurate and production-ready AI experiences. - Mobile App Automation: ◾ Developed & maintained automated tests for Web, Android & iOS using Selenium, Appium & XCUITest. ◾ Used CircleCI for CI/CD and optimized parallel testing with cloud-based device farms. ◾ Implemented BDD frameworks (Cucumber) for improved collaboration. ◾ Automated performance testing and tracked results with JUnit and TestNG. - Web Automation: ◾ Automated regression and end-to-end tests using Cypress, Selenium, JavaScript and TypeScript. ◾ Conducted API testing with Postman and database validation with PostgreSQL. ◾ Integrated Jenkins/CircleCI for CI/CD and added visual regression tests for UI consistency. ◾ Used RestAssured for RESTful API testing and enhanced frameworks with custom utilities. TOOLS & TECHNOLOGIES ---------------------------------- ◾Cypress ◾Appium ◾Playwrite ◾WebdriverIO ◾Robot Framework ◾Selenium WebDriver ◾Katalon Studio ◾JUnit ◾PyTest ◾TestNG ◾SoapUI ◾ReadyAPI ◾CI/CD (Jenkins, CircleCI) ◾JSON ◾Postman ◾Eclipse ◾Firebase ◾Unity ◾Mocha ◾Chai ◾Jasmine ◾WinAppDriver ◾NUnit ◾Karate ◾SQL ◾Jmeter ◾Burp Suite ◾Nessus ◾LambdaTest ◾BrowserStack PROGRAMMING LANGUAGES -------------------------------------- ◾Java ◾JavaScript ◾Python ◾Groovy (for SoapUI and ReadyAPI scripting) ◾Ruby ◾C# TESTING DEVICES ------------------------- I have a wide range of physical devices across multiple platforms to ensure comprehensive testing. My device list includes: ◾ Android: From versions 4.0 to 15.0 ◾ iOS: From versions 8.4 to 17.0 ◾ MacOS: From versions 10.10 to 14.0 ◾ Linux: Ubuntu, Fedora, Arch, Kali Linux Contact me to get a detailed breakdown of my testing devices. DOMAINS & INDUSTRIES -------------------------------- ◾E-Commerce ◾Banking and Finance ◾Real Estate ◾Food ◾Hospitality ◾Gaming ◾Digital Marketing ◾VPN ◾E-Learning ◾AI Applications ◾CRM ◾Education ◾Healthcare ◾Insurance ◾Retail ◾Travel and Tourism ◾Telecommunications ◾Manufacturing ◾Supply Chain and Logistics ◾Media and Entertainment ◾Government and Public Sector ◾Construction and Engineering ◾Non-Profit Organizations ◾Energy and Utilities ◾Automotive ◾Pharmaceuticals ◾Cybersecurity ◾Blockchain and Cryptocurrency With a track record of delivering over 500+ successful projects and with a team of highly skilled QA professionals, I am committed to ensuring your software is flawless, user-friendly and ready to outperform the competition. Lets connect & discuss how I can contribute to the success of your project! --------------------------------------- Keywords & Expertise: --- Software Testing, QA Testing, Quality Assurance, Manual Testing, Automation Testing, QA Automation, AI Testing, AI QA, LLM Testing, Generative AI Testing, AI Chatbot Testing, Prompt Testing, AI Response Validation, Functional Testing, Regression Testing, Smoke Testing, Sanity Testing, End-to-End Testing, UI Testing, UX Testing, Cross Browser Testing, Compatibility Testing, Mobile App Testing, Web App Testing, API Testing, REST API Testing, Database Testing, Performance Testing, Load Testing, Stress Testing, Security Testing, Penetration Testing, Usability Testing, Exploratory Testing, Acceptance Testing, Black Box Testing, White Box Testing, Test Case Design, Bug Reporting, Agile QA, SaaS Testing, Selenium, Cypress, Appium, Playwright, WebdriverIO, Postman, RestAssured, JMeter, BrowserStack, LambdaTest, Jenkins, CircleCI, CI/CD Testing, Test Automation Framework, Software QA Engineer.

Building data systems that don't just work—they perform at scale. With over 15 years of experience, I bridge the gap between complex data engineering and business-critical insights. Whether you are dealing with 200k+ RPS high-load environments or building a Modern Data Lakehouse from scratch, I architect solutions that are cost-effective and future-proof. What I bring to your project: - High-Scale/High-Load Expertise: Proven track record in building real-time pipelines (Flink, Spark, Kafka) that handle massive throughput with sub-second latency. - Modern Lakehouse Architecture: Specialist in implementing Delta, Hudi, and Iceberg to provide ACID transactions on top of scalable cloud storage. - Performance OLAP: Deep expertise in ultra-fast query layers using StarRocks, ClickHouse, and SingleStore to slash BI dashboard wait times. - Enterprise Governance: Deploying OpenMetadata and dbt to ensure your data is clean, documented, and ready for LLM/AI applications. 🛠️ Tech Stack & Ecosystems - Processing & Streaming: Apache Flink, Spark, Kafka (Streams/Connect), NiFi, Polars. - Lakehouse & Storage: Hudi, Iceberg, Delta Lake, Databricks, Apache Hadoop. - High-Performance DBs: StarRocks, ClickHouse, Vertica, SingleStore, Oracle. - Cloud & Orchestration: AWS, GCP, Azure, Kubernetes (K8s), Airflow, Prefect. - Analytics Engineering: dbt, BigQuery, CRM/Ads Integration, Medallion Architecture. Why work with me? I don't just "install" tools. I design systems that optimize for Compute Cost (FinOps) and Data Reliability. If your current infrastructure is lagging or your cloud bills are spiraling, I can audit your stack and implement a high-performance alternative. Ready to scale? Let’s talk about your data architecture.

Expert-Vetted AI & Full-Stack Engineer | 100% Job Success | 30+ Projects | $170K+ Earned Past Experience : Goldman Sachs, Morgan Stanley, KPMG, Oracle & Others I help startups and enterprises ship AI products and the backend systems behind them — from RAG chatbots and LLM integrations to scalable APIs, data pipelines, and production deployments. 10+ years building software. 30+ Upwork projects, all 5-star rated. Expert-Vetted (top 1%). One engineer who can own the problem from architecture to live product — clear communication, on-time delivery, code that scales. WHAT I BUILD AI & LLM • RAG chatbots and knowledge assistants over PDFs, docs, wikis, Notion, and internal APIs • LLM integration with OpenAI (GPT-4o, GPT-4), Anthropic Claude, and Google Gemini • AI agents with tool use — CRM, email, Slack, webhooks — plus guardrails and human approval • Streaming chat UIs with conversation memory, citations, and admin dashboards • LangChain, LlamaIndex, vector search (Pinecone, pgvector, Chroma, Weaviate, Qdrant) Backend & APIs • REST and GraphQL APIs in Python (FastAPI, Django, Flask), Node.js, and Java/Spring Boot • Microservices, event-driven architecture, authentication, and third-party integrations • PostgreSQL, Redis, MongoDB — schema design, optimization, migrations • Data pipelines with Kafka, Spark, and Airflow for analytics and ETL Frontend & Cloud • React, TypeScript, Next.js, Angular — SaaS dashboards and polished product UIs • AWS, GCP, Azure — Docker, CI/CD, monitoring, production hardening WHY CLIENTS HIRE ME Most AI projects break at the seams — weak APIs, messy data ingestion, no real UI, nothing deployed. I deliver the full path: data in → embeddings & retrieval → LLM → API → frontend → cloud.

🔹 What I build I build production backend systems that handle real-time distributed traffic at scale using Golang, Python and Node.js. I focus on systems where latency, reliability, and throughput directly impact production outcomes under high concurrency and event-driven workloads. I design and implement blockchain integration layers that connect backend systems with Ethereum-based transaction and wallet workflows in production environments. 🔹 Production impact Focused on building production-grade systems that improve reliability, throughput, and system resilience under real-world traffic conditions. Built real-time backend systems using Go, Node.js, and Python with Redis Pub/Sub and SSE for high-volume event-driven communication Designed and stabilized high-throughput API systems and microservice architectures under concurrent production traffic Developed blockchain transaction and wallet integration systems using Node.js and Ethereum-based stacks in production environments Implemented smart contract interaction layers and backend services for token and transaction workflows Built payment and external API integration systems with strong consistency, idempotency, and failure recovery requirements Operated cloud backend systems on AWS/GCP with scaling, monitoring, and production observability 🔹 Core engineering focus Distributed backend systems (Go / Node.js / Python) Event-driven architecture (Redis Pub/Sub, SSE) Blockchain transaction systems (Ethereum / Web3 integration) Backend ↔ on-chain data flow design High-concurrency API systems Production reliability, scalability, and latency optimization 🔹 How I work I identify bottlenecks in production systems across latency, throughput, and data consistency. I implement changes that improve system stability and performance across backend and blockchain layers without disrupting production traffic. 🔹 Availability Available for backend architecture, blockchain integration, system scaling, and production refactoring projects.

If your infrastructure is slowing down your team — deployments take too long, environments drift, or your cloud costs keep climbing — I can fix that. I'm a Senior DevOps Engineer with 10 years of experience, specializing in AWS and Azure infrastructure with Kubernetes, Terraform, and CI/CD pipelines. I've worked with large-scale e-commerce platforms handling millions of users, and for the past year I've been consulting for European clients remotely from Lisbon. What I deliver: Production-grade Kubernetes clusters (EKS, AKS) — deployed, secured, monitored Terraform IaC from scratch or migrating existing infra CI/CD pipelines that actually work (Azure DevOps, GitHub Actions, Jenkins) Cost optimization and observability (Prometheus, Grafana, Loki) CKA & CKAD certified. 100% Job Success. I respond fast and communicate clearly throughout the project. Let's talk about your infrastructure.

🚀 I don't just build infrastructure - I design and scale high-performance platforms, integrate AI into production systems, and optimize development workflows. My solutions have helped companies handle high-load systems (1M+ users, up to 27k RPS), reduce cloud costs by 30%, and cut deployment time by up to 70%. Need to scale reliably or integrate AI into your platform? Let's talk. ✔️ With 4+ years as a DevOps Engineer ✔️ High-load systems experience (27k RPS, 1M+ users) ✔️ AI systems integration ✔️ 30% Cost Reduction & 99.9% Uptime ⭐️ My Specialized Services: ✅ Infrastructure as Code (IaC) * Terraform & CloudFormation expertise for AWS, Azure, GCP * Ansible configuration management for consistent environments * Multi-region & high-availability architectures ✅ CI/CD Pipeline Automation & GitOps * Jenkins, GitLab CI/CD, GitHub Actions, CircleCI implementation * ArgoCD (GitOps workflows, automated deployments) * Zero-downtime deployment strategies ✅ Containerization & Orchestration * Docker containerization for legacy and modern applications * Kubernetes (EKS) setup, management, and scaling * Karpenter & KEDA for efficient autoscaling * Helm charts for streamlined deployment ✅ AI Integration & Platform Engineering * AWS Bedrock (Claude) integration * Custom AI model integration into production systems * AI-powered backend services and workflows ✅ Monitoring & Observability * Prometheus, Grafana, Loki, Tempo stack * CloudWatch integration * Automated alerting and incident response ✅ Cloud Cost Optimization * Resource right-sizing and scheduled scaling * Spot & Reserved instances strategy * Cost visibility and optimization pipelines ✅ Security Hardening * Infrastructure vulnerability scanning * Secrets management * Compliance automation (SOC2, HIPAA, GDPR) ⚙️ My Process: 1️⃣ Discovery & Assessment – Analyze current infrastructure, bottlenecks, and scaling limits 2️⃣ Architecture Design – Build scalable, resilient, high-load & AI-ready systems 3️⃣ Implementation – Automate and deploy with best DevOps & GitOps practices 4️⃣ Optimization – Continuously improve performance, reliability, and cost efficiency Best regards, Andrii Keywords: DevOps Engineer, Infrastructure as Code, Terraform, AWS, Azure, GCP, CI/CD Pipeline, Jenkins, GitLab CI, GitHub Actions, Docker, Kubernetes, Helm, ArgoCD, Prometheus, Grafana, ELK Stack, Cloud Optimization, Security Hardening, Ansible, Containerization, Microservices, Cloud Architecture, High Availability, Scalability, Configuration Management, Continuous Deployment, Continuous Integration, Automation, Shell Scripting, Python, Infrastructure Monitoring, Log Management, Disaster Recovery, Cloud Migration, DevSecOps, Site Reliability Engineering, SRE, Platform Engineering, AI Integration, AWS Bedrock, Claude, High Load Systems