I am Ivan, a proactive and results-driven professional with a background in Systems and Industrial Engineering and Computer Science. My career has focused on developing end-to-end solutions that make meaningful impacts on efficiency and user experience. I thrive on challenges that require innovative thinking and courageous decision-making, whether it's creating scalable APIs, architecting complex systems, or leading new initiatives. Collaboration is a core part of my work. I strive to understand customer pain points and needs, finding solutions that bring teams together and yield positive results. As a mentor and acting team lead, I focus on developing my team's talents, providing constructive feedback, and guiding them with tools for success. Learning agility is central to my approach—I constantly stay updated on market trends, new technologies, and industry best practices to apply them quickly in my projects. I’m passionate about continuous improvement and enjoy reflecting on my work to gain insights for growth. Through a combination of hands-on experience and leadership, I'm eager to drive meaningful changes and contribute effectively to both team success and organizational goals.

I am a Senior Java Full Stack Architect with 12 years of enterprise software development and 2 years technical leadership experience. I specialize in Spring Boot, Spring Cloud Alibaba, microservices & distributed high-concurrency system design, with solid front-end development capability based on Vue.js. I deliver end-to-end solutions covering multiple business domains: e-commerce auction, WMS warehouse management, IoT data platform, government fund system and multi-tenant online education system. I handle full project lifecycle including requirement analysis, architecture design, database modeling, coding, performance tuning, Docker & K8s deployment, and post-launch maintenance. Skilled in distributed locks, message queue asynchronous processing, Flink stream computing and third-party API integration (payment gateway, IoT hardware, AI recognition). I follow international remote collaboration standards, provide complete API documentation, weekly progress reports and stable long-term technical support, ensuring on-time delivery with low defect rate for global clients.

I am a seasoned software engineer with 23 years of experience, specializing in innovative technical solutions that address complex challenges. My recent role as Principal Member of Technical Staff involves collaborating with cross-functional teams to deliver high-impact projects at a leading communication platform. I excel at designing scalable systems, optimizing performance, and ensuring seamless integration. I hold a Master of Engineering from Carnegie Mellon University and have contributed to projects at various tech companies, including a major player in eCommerce. My background combines hands-on development with research experience, allowing me to approach problems from multiple angles. If you need a technical partner who can transform your ideas into robust applications, I am ready to help you achieve your goals. Let’s discuss how my expertise can bring value to your project.

I am a Lead Data Engineer with over 14 years of extensive IT experience, specializing in large-scale Data Engineering and Cloud Data Platforms. I excel in architecting and delivering scalable batch and real-time data solutions for global enterprises, efficiently processing multi-TB datasets. My expertise includes designing cloud-native data pipelines and modern ETL/ELT frameworks using tools such as Spark, PySpark, Scala, and cloud platforms like Google Cloud and Snowflake. I have a proven track record of leading end-to-end data platform development, ensuring scalability, reliability, and cost optimization. Over my career, I have developed high-performance analytics platforms and mentored cross-functional teams, empowering them to achieve their data goals. If you're looking for a seasoned professional who can turn complex data challenges into actionable insights, let's discuss how I can contribute to your project.

I'm an AI Engineer and Data Analytics | Data strategist specialist with 5+ years of experience helping businesses transform raw data into intelligent, scalable solutions. I specialise in Python, SQL, Machine Learning, Data Engineering, Power BI, RAG applications, vector databases, and AI automation. I have worked on projects involving predictive analytics, ETL pipelines, interactive dashboards, AI-powered chatbots, text-to-SQL systems, knowledge retrieval, and business process automation. My focus is not just on writing code—I build solutions that improve efficiency, uncover actionable insights, and solve real business problems. **My expertise includes:** • Python, SQL, PostgreSQL, Pandas, NumPy • Machine Learning (Scikit-learn, XGBoost, TensorFlow, PyTorch) • Data Visualization (Power BI, Plotly) • RAG, FAISS, Vector Databases, LLM Integration • ETL Pipelines & Data Processing • API Development, Docker, Git I value clear communication, clean and maintainable code, and delivering projects on time. Whether you need a data dashboard, an AI application, a machine learning model, or an end-to-end data solution, I'm committed to providing high-quality work that creates measurable business value. Let's build something impactful together.

Distinguished Senior Enterprise Cloud and Cybersecurity Solution Architect with 26+ years of experience designing and delivering state-of-the-art cloud, security, and AI architectures for Fortune 500 and multinational corporations. Recognized for driving large-scale on-premises-to-cloud migrations across AWS, Azure, GCP, and OCI, with 13+ years of specialized expertise in public cloud solution architecture, identity & access management, and enterprise security frameworks. Proven track record leading Architecture Review Board presentations, building migration factories, and aligning technical strategy to business outcomes across banking, pharmaceuticals, telecommunications, insurance, healthcare, and government sectors. C O R E C O M P E T E N C I E S ◆ Enterprise & Cloud Solution Architecture ◆ Zero Trust & Cybersecurity Architecture ◆ AWS · Azure · GCP · OCI Cloud Platforms ◆ AI / LLM & Generative AI Integration ◆ IAM / PAM / PIM — Okta · Azure AD, AWS IAM ◆ SIEM — Splunk & Azure Sentinel ◆ AI Agent Security & Agent Policy Fabric ◆ OWASP LLM Top 10 · NIST AI RMF ◆ OPA / Rego Policy-as-Code ◆ Landing Zone Design & Migration Factory ◆ CNAPP / CSPM / CWPP / CIEM ◆ Secrets Mgmt — HashiCorp · Azure KV, Thales HSM T E C H N O L O G Y S U M M A R Y Cloud Platforms: AWS, Microsoft Azure, Google Cloud Platform (GCP), Oracle Cloud Infrastructure (OCI) Security & Compliance NIST CSF / 800-53 / 800-128, NIST AI RMF 1.0, CIS, CSA, FedRAMP, PCI-DSS, SOX, HIPAA, SOC2, ISO, 27001, ISO 42001, FISMA AI / ML Services: OpenAI, Azure AI Studio, Azure AI Hub, Azure Document Intelligence, Azure Form Recognizer, Azure AI Speech & Vision, Vertex AI, AI Agent Security Agent Policy Fabric (OPA / Rego policy-as-code), OWASP Top 10 for LLM Applications, MITRE ATLAS, NIST AI RMF, agent trust boundaries & workload identity, tool-call and MCP invocation authorization, prompt-injection defense, RAG scope enforcement, AI gateway PDP/PEP, agent telemetry & decision logging IAM / PAM / Secrets Participated in full lifecycle management across Plan, Build, and Run phases for each initiative; provided technical leadership and architectural advisory; collaborated with Oracle WebLogic, Apache, IIS, Oracle Database, MarkLogic, Actiance Vantage, Oracle Fusion Middleware, and SQL Server environments. Interacted with all levels of management including Senior Directors and Executive leadership; helped businesses solve complex IT challenges by providing state-of-the-art architectures that met both business objectives and time-to-market requirements. Okta, Azure Entra ID, AWS IAM, CyberArk, BeyondTrust, HashiCorp Vault, Azure Key Vault, AWS KMS, Thales HSM, Thales Sentinel EMS, SIEM & Security Tools Splunk, Azure Sentinel, Wiz, Rapid7, Tenable Nessus, DivvyCloud, AppOmni, Adaptive Shield, BitSight Container & IaC Kubernetes (AKS, EKS), Docker, Azure Service Fabric, Terraform, ARM, CloudFormation, Azure DevOps, Chef Network & SASE SASE (Palo Alto Prisma), ExpressRoute, VPN, NSG, WAF, Load Balancers, Firewalls, LLB/GLB, DNS Data & Analytics Azure Data Factory, Azure Data Lake Gen2, Azure Synapse Analytics, Snowflake, Hadoop, Spark, Hive, HBASE, Cloudera EA Frameworks TOGAF, Zachman, STRIDE, MITRE ATT&CK, MITRE ATLAS, OWASP, Zero Trust Architecture Virtualization VMware ESXi / vSphere / VCenter, Oracle VirtualBox, VBlock

Lead Software Engineer Seasoned Technology Leader with around 20 years of experience driving the system design, development, and delivery of highly resilient, multi-tiered enterprise applications. Proven expertise leading cross-functional product engineering squads, bridging enterprise Java microservices ecosystems with modern Agentic AI orchestration frameworks. Expert in crafting Event-Driven Architectures (EDA) utilizing Kafka to orchestrate high-throughput, distributed messaging systems. Adept at managing end-to-end API designs, steering cloud modernization strategies, and pioneering Retrieval-Augmented Generation (RAG) pipelines to optimize enterprise content processing and data accessibility. Technical mentor to drive modern engineering cultures cantered on automation, security, and high-performance scalability. I have worked on many enterprise application from scratch and carried it to logical conclusion by deploying them successfully. I have worked on many of important and highly demanded technologies that include Java, Spring boot, MySQL, Oracle, Kubernetes and also on the latest technologies like AI, RAG, Vector DB, AI Agents and MCP Servers.

Summary 2 years of Rust experience and 5 years of Java development and project design experience, having participated in the development and maintenance of projects across the telecommunications, banking, and precious metals industries. Proficient in common Java frameworks and microservice architecture. Familiar with the full product lifecycle from requirements to design, development, and launch. Capable of independently completing complete projects with full-stack development skills. Currently focused on backend development and AI application domains. Skilled at using AI-assisted tools for coding and testing to improve development efficiency. Technical Stack - Primary Languages: Java, Rust, JS/TS - Java Ecosystem: Solid command of Java fundamentals; familiar with the Spring Boot / Spring Cloud microservice ecosystem; proficient in service governance with Nacos / Eureka; experience in secondary development and capability enhancement of Gateway / Zuul. - Rust Ecosystem: Proficient in the Rust language and its async ecosystem Tokio; experienced in building high-performance backend applications with Rocket/Axum, Diesel, Rbatis, and Serde; familiar with the vector database LanceDB. - Databases: Proficient in MySQL, able to translate business requirements into well-designed data models, capable of analyzing and decomposing complex SQL; familiar with ORM frameworks such as MyBatis / MyBatis Plus; experience with MongoDB, Oracle, and GaussDB; experience with MyCat sharding; familiar with KV stores such as Redis and Sled. - Middleware: Familiar with message queues such as Kafka and RabbitMQ; familiar with S3-protocol storage systems such as MinIO, OSS, and COS. - Networking: Familiar with transport protocols such as TCP / UDP; familiar with application protocols such as HTTP, SSE, and WS; familiar with QUIC. - AI-related: Experienced in integrating mainstream LLM APIs such as the OpenAI API; proficient in RAG architecture design, vector retrieval, and knowledge base construction; familiar with MCP development and integration. - Frontend: Familiar with Vue and Element UI; capable of developing APP-side applications with AI assistance. - DevOps: Familiar with Alibaba Cloud services, Docker, and GitHub CI.

I'm a senior Java backend developer with 17 years of experience building scalable systems, including 6+ years in connected car platforms and microservices architecture. I specialize in: • Java/Spring Boot/Spring Cloud microservices development • High-concurrency data pipelines (Kafka, Redis, MQTT) • Cloud deployment (AWS, Huawei Cloud CCE, Docker) • Legacy system modernization and domestic OS adaptation (Kylin, openEuler) • Overseas platform deployment and multi-region integration I've delivered core modules for major OEMs including Wuling, GAC, and King Long — covering remote vehicle control, OTA updates, device management, CAN data parsing, and Bluetooth key systems. I also have hands-on experience migrating platforms to AWS Jakarta and handling full-stack integration across mobile apps, vehicle terminals, and cloud services. Currently focused on enterprise system development, cloud-native deployment, and using AI-assisted tools to accelerate delivery. I'm comfortable working across time zones and committed to clear communication throughout the project lifecycle.