# Ivan Melnyk - Applied AI Engineer and Architect · Salesforce B2C Commerce Architect > I am an Applied AI Engineer and Architect with over 19 years in software and web development, and a Claude Certified Developer. I build AI-assisted and agent-driven applications end to end, and I design the architecture they run on, from prototype through to production. Last updated: 2026-09-11 Canonical CV: https://cv.ivanmelnyk.com Machine-readable resume: https://cv.ivanmelnyk.com/resume.json ## Current role Salesforce B2C Commerce Architect at Cognizant (London, United Kingdom), since 2026-06 ## Core competencies - **AI Engineering**: LLM Integration, Retrieval-Augmented Generation (RAG), Prompt Engineering, AI Skills Engineering, Agent and Tool Interfaces, Model Context Protocol (MCP), AI-Assisted Development and Review. - **AI Architecture**: Agentic Workflow Design, Model Selection and Routing, Context and Data Boundaries, Evaluation and Guardrails, Human-in-the-Loop Review, Cost and Latency Budgeting, AI Governance. - **Development Stack**: Node.js, TypeScript, JavaScript, React, Next.js, Tailwind CSS, PHP, Webpack, HTML, XML, JSON, REST, HTTP, SSL/TLS, Docker, Claude Code, MCP, LLM APIs. - **API Design & Engineering**: REST and API-first Design, Contracts and Versioning, OpenAPI Schemas, Webhooks and Event Flows, Authentication and OAuth 2.0, Rate Limiting, Error Semantics, Backward Compatibility. - **Data & Retrieval Engineering**: Vector Stores and Embeddings, Chunking and Indexing Strategies, SQL and NoSQL Data Modeling, Query Optimization, Data Pipelines, Structured Outputs and Schema Design, Caching Layers. - **Testing & Observability**: Automated and Integration Testing, Evaluation Harnesses for Model Output, Logging and Tracing, Monitoring and Alerting, CI/CD Pipelines, Regression and Release Verification. - **Systems Integration**: Salesforce OMS, ERP, CRM, Service Cloud, Payment Gateways, Omni-Channel Inventory, Marketing and Analytics Platforms, Shipment, Address Validation, Cross-Border (Global-e). - **Headless & Composable e-commerce**: MACH architecture: Microservices, API-first, Cloud-native, Headless. Composable Storefront, Salesforce Managed Runtime (MRT), PWA Kit. Scalable, high-load platform design. - **Cloud Infrastructure**: Amazon AWS, Cloudflare, Google Cloud, Microsoft Azure, Oracle Cloud. Serverless and edge architectures, containers, CI/CD pipelines. - **Security & Compliance**: PCI DSS, OAuth 2.0, encryption in transit and at rest, PII and data-handling boundaries, protection against SQL injection and XSS vulnerabilities. - **Performance Optimization**: Core Web Vitals, caching strategies, CDN configuration, load balancing, bundle optimization, server-side rendering, database query tuning. - **Salesforce B2C Commerce**: OCAPI, SCAPI, SLAS and Script API, Cartridge Engineering and Certification, Agentforce, Composable Storefront, PWA Kit, SFRA, SiteGenesis. Custom checkout, loyalty, subscriptions, promotions, multi-currency and gift card implementations. ## Skills - **AI Engineering**: I build LLM integrations, retrieval-augmented generation over real product and content data, agentic workflows, AI skills and tool interfaces, and Model Context Protocol servers. I use large language models and agentic coding tools daily for proofs of concept, code generation and review, and drafted documentation that I verify and own. Certified as a Claude Certified Developer and Salesforce Certified Agentforce Specialist. - **AI Architecture**: I decide how AI systems hold together: which model fits which task, where retrieval belongs, how context and data boundaries are drawn, and what evaluation, guardrails and cost and latency budgets a design has to meet. I keep human-in-the-loop review in place and clear limits on where model output reaches production. - **API Design & Engineering**: I design REST and API-first services and the contracts between them: resource and schema design, versioning and backward compatibility, authentication and OAuth 2.0, webhooks and event flows, rate limiting and predictable error semantics. - **Testing & Observability**: I keep systems verifiable in production: automated and integration testing, evaluation harnesses for model output, logging, tracing, monitoring and alerting, and CI/CD pipelines that catch regressions before a release reaches customers. - **Full-Stack Engineering**: I'm experienced in programming languages such as Node.js, TypeScript, JavaScript, PHP, and frameworks commonly used in e-commerce development (Webpack, React, Nextjs, Tailwind CSS). I build with AI-assisted and agentic coding tooling as a standard part of that stack. - **Agentic & AI-Enabled Commerce**: Designing commerce experiences for AI agents as well as people: Salesforce Agentforce, conversational and agent-driven shopping and service flows, retrieval over product and content catalogs (RAG), and API surfaces - SCAPI, OCAPI, MCP - designed to be consumed by autonomous agents as cleanly as by a storefront. - **e-commerce Architect**: I'm proficient in designing scalable, secure and high-performance e-commerce architectures. This includes blueprints and detailed documentation that outline the overall structure and components of the solution. - **Salesforce B2C Commerce**: I have extensive experience in Salesforce B2C Commerce platform and all its APIs such as OCAPI, SCAPI, SLAS. Proficient in Managed Runtime, Composable Storefront, PWA Kit, SFRA and SiteGenesis storefront versions. - **Data & Retrieval Engineering**: I design and manage the data layer that AI and commerce systems depend on: SQL and NoSQL modeling, indexing and query optimization, plus vector stores, embeddings and chunking strategies for retrieval over product and content data. - **Integration Skills**: I have extensive knowledge and experience in integrating various systems and third-party services seamlessly into the e-commerce platform, such as payment gateways, address validations/suggestions, ERP systems, CRM, OMS, Inventory systems, marketing tools and others. - **Security and Compliance**: I understand and apply industry security standards and regulations, including PCI DSS, data encryption, preventing security breaches and protecting against common vulnerabilities like SQL injection and cross-site scripting (XSS). - **Performance Optimization**: Proficient in optimizing website performance, including Core Web Vitals, load balancing, caching strategies, and content delivery networks (CDNs). - **UX/UI Design**: I have strong knowledge of user experience (UX) and user interface (UI) design principles to ensure the platform is user-friendly and intuitive. - **Problem-Solving**: I have strong analytical and problem-solving abilities to troubleshoot complex problems and find innovative solutions, ensuring timely resolutions of issues to minimize disruption to business operations. - **Communication and Collaboration**: Proficient in excellent communication to work effectively with business stakeholders and cross-functional teams, including developers, designers, marketers, and business analysts. - **Continuous Improvement**: I always stay up-to-date with the latest Salesforce B2C Commerce, Cloud and AI technologies - including large language models, agentic tooling and the Model Context Protocol - as well as software architecture updates, trends and best practices. - **Project Management**: Proficient in project management, I oversee the development process, coordinate with various stakeholders, and ensure projects are completed on time and within budget. ## Certifications - Claude Certified Developer - Foundations, Anthropic, Sep 2026 (https://cv.ivanmelnyk.com/certificates/anthropic/Claude_Certified_Developer_Foundations_2026.pdf) - Claude Certified Associate - Foundations, Anthropic, Sep 2026 (https://cv.ivanmelnyk.com/certificates/anthropic/Claude_Certified_Associate_Foundations_2026.pdf) - Salesforce Agentforce Specialist, Salesforce, Sep 2025 (https://cv.ivanmelnyk.com/certificates/salesforce/Salesforce_Certified_Agentforce_Specialist_2025.pdf) - Salesforce AI Associate, Salesforce, Oct 2024 (https://cv.ivanmelnyk.com/certificates/salesforce/Salesforce_Certified_AI_Associate_2024.pdf) - Salesforce B2C Commerce Architect, Salesforce, Jul 2020 (https://cv.ivanmelnyk.com/certificates/salesforce/Salesforce_Certified_B2C_Commerce_Architect_2020.pdf) - Salesforce Commerce Cloud Digital Developer, Salesforce, Jan 2018 (https://cv.ivanmelnyk.com/certificates/salesforce/Salesforce_Certified_B2C_Commerce_Developer_2018.pdf) - Demandware Certified Developer, Demandware, Oct 2016 (https://cv.ivanmelnyk.com/certificates/demandware/Developer_Certificate_2016.pdf) - Architecting and e-commerce Solutions in Demandware, Demandware, Feb 2012 - Demandware Certified Developer, Demandware, Dec 2011 (https://cv.ivanmelnyk.com/certificates/demandware/Demandware_Certificate_2011.pdf) ## Experience ### Salesforce B2C Commerce Architect, Cognizant Jun 2026 - Present · Full Time · Hybrid · London, United Kingdom - Architect on a large-scale enterprise replatforming programme for a global client, migrating legacy and custom-built e-commerce systems to the Salesforce ecosystem. - Providing architectural governance and technical leadership across discovery, design and delivery, using large language models to analyse legacy code and data models and surface integration risk early. - Designing the storefront layer on Composable Storefront and Salesforce Managed Runtime (MRT), with SCAPI, OCAPI and SLAS as the integration surface, validated through AI-assisted proofs of concept. - Working as an AI-augmented architect: building solution and code proofs of concept with agentic coding tools, generating and reviewing code, and drafting integration blueprints, technical documentation and architecture decision records, all under human review. - Earned Claude Certified Developer - Foundations and Claude Certified Associate - Foundations in 2026. ### Salesforce B2C Commerce Architect, Cognizant Jan 2026 - May 2026 · Contract · Hybrid · London, United Kingdom - Initial contract engagement as Salesforce B2C Commerce Architect on the same enterprise replatforming programme, transitioning to a full-time architect role in June 2026. ### Salesforce B2C Commerce Architect, NTT DATA Inc Aug 2024 - Nov 2025 · Full Time · Hybrid · London, United Kingdom - Leading the expansion of the Salesforce B2C Commerce practice within the organization. - Designing headless, composable and cloud-native e-commerce architectures on Composable Storefront and Salesforce Managed Runtime (MRT). - Building storefronts and services against SCAPI, OCAPI and SLAS APIs, with PWA Kit on Managed Runtime as the delivery target. - Developed Salesforce LWC (Lightning Web Components) and OmniScript API integrations connecting commerce and service experiences. - Introduced AI-assisted engineering into the practice, using LLM-based coding assistants for development, code review and documentation, plus proofs of concept for Agentforce-driven service and shopping experiences. - Achieved Salesforce AI Associate Certificate in 2024, and Salesforce Agentforce Specialist Certificate in 2025. ### Senior Solutions Architect, Astound Digital (former Astound Commerce) Feb 2020 - Apr 2023 · Full Time · Hybrid · London, United Kingdom - Architected and delivered Salesforce B2C Commerce solutions for global fashion and retail brands. - Migrated client brands from other e-commerce platforms to Salesforce B2C Commerce, enabling a seamless transition to enterprise-grade commerce. - Delivered multi-locale, multi-region, multi-currency and multi-realm solutions serving millions of customers across multi-million product catalogs. - Integrated Salesforce OMS, Omni-Channel Inventory, Service Cloud and B2C CRM Sync, alongside payment gateways, shipping providers and analytics platforms. - Provided technical leadership, code reviews and architectural guidance to distributed teams. - Started learning and practicing AI, LLM and agentic AI technologies, exploring how they could apply to enterprise commerce architecture and delivery. - Launched 6 projects such as Faconnable , Burton (Boohoo) , Dorothy Perkins (Boohoo) , Nastygal (Boohoo) , Wallis (Boohoo) , Vivienne Westwood , and supported many others. - Earned Salesforce B2C Commerce Architect Certificate in 2020. ### Technical Architect Salesforce Commerce Cloud, Global-e Sep 2017 - Jan 2020 · Full Time · On-site · London, United Kingdom - Designed and maintained the Global-e B2C Commerce Cartridge . - Rebuilt, refactored and documented the cartridge to meet best practices and scalability requirements, achieving Salesforce certification for it in 2019. - Delivered integrations for more than 23 international clients, such as Boux Avenue , CT Shirts , East , Etam , M&Co , Musto , Undiz , Marks & Spencer , Playtex , Dim Paris , Hackett , Pepe Jeans , Rebecca Taylor , Marc Jacobs , Vince , Chrome Industries , Helmut Lang , Liberty London , ModCloth , Paule Ka , Theory , Eric Bompard , Cole Haan , enabling localized storefronts, cross-border payments, tax, shipping and compliance. - Supported multi-currency, multi-locale and regulatory-compliant cross-border commerce. - Renewed my Salesforce Commerce Cloud Digital Developer Certificate in 2018. ### Software Development Technical Lead, DigitasLBi Feb 2017 - Jul 2017 · Full Time · On-site · Amsterdam, Netherlands - Promoted from Senior Developer to Technical Lead for Salesforce B2C Commerce projects. - Led a distributed team delivering complex multi-market storefronts. - Designed and implemented integrations with ERP, OMS, payment providers and analytics platforms, plus custom Loyalty Program and RMA workflows. - Ensured high performance, scalability and maintainability across client implementations. - Delivered Britax Römer on Salesforce B2C Commerce, alongside fashion brands including Springfield , Women Secret , Pedro del Hierro , Fifty Factory and Cortefiel . - Renewed my Demandware Certified Developer Certificate in October 2016. ### Senior Demandware Developer, DigitasLBi May 2015 - Jan 2017 · Full Time · On-site · Amsterdam, Netherlands - Joined as Senior Demandware Developer, delivering Salesforce B2C Commerce storefronts for international fashion brands before being promoted to Technical Lead. ### Senior Web (Demandware) Developer, PulsarFour LLC (acquired by Valtech) Mar 2014 - Apr 2015 · Full Time · On-site · Kyiv, Ukraine - Contributed as Senior Web Developer on the Marc-O-Polo project, in partnership with Valtech. - Covered the full project lifecycle - requirements with the product owner, front-end and back-end development, platform configuration and launch in early 2015 - followed by post-launch support. - Worked in an Agile Scrum team on two-week sprints. - Adopted Demandware SiteGenesis JavaScript Controllers in place of pipelines, improving flexibility and customization. ### Senior Demandware Developer, SysIQ (acquired by Astound Commerce) Feb 2013 - Feb 2014 · Full Time · On-site · Kyiv, Ukraine - Promoted to Senior Demandware Developer. - Delivered high-impact Salesforce B2C Commerce (Demandware) solutions for international brands including IceBreaker , Adidas Latin America . - Designed and implemented front-end and back-end features focused on scalability, performance and maintainability. - Developed and integrated critical commerce functionality including payment gateways, address verification and Demandware OMS . - Led technical initiatives and provided architectural input for complex integrations. - Achieved Demandware Developer Certificate in 2011 and Architecting e-commerce Solutions in Demandware in 2012. ### Demandware Developer, SysIQ (acquired by Astound Commerce) Oct 2011 - Jan 2013 · Full Time · On-site · Kyiv, Ukraine - Started as Demandware Developer, building and supporting Demandware (Salesforce B2C Commerce) storefronts for international brands. ### Technical Lead, Evolusent (formerly Web Impact) Apr 2011 - Jul 2011 · Full Time · On-site · Kyiv, Ukraine - Advanced to Technical Lead, taking on team management, project delivery and adherence to web best practices and standards. - Led several long-term projects delivering robust solutions for clients such as GAO , Lifestyle Magazine , School Life . - Collaborated in an Agile environment with iterative cycles, daily stand-ups and retrospectives. - Gained experience in software design patterns, cross-functional team leadership and client communication in English. ### Senior Web Developer, Evolusent (formerly Web Impact) Sep 2010 - Mar 2011 · Full Time · On-site · Kyiv, Ukraine - Promoted to Senior Web Developer for rapid skill acquisition and technical excellence, taking ownership of larger client deliverables. ### Web Developer, Evolusent (formerly Web Impact) Feb 2010 - Aug 2010 · Full Time · On-site · Kyiv, Ukraine - Began career as a Web Developer, building and customizing websites of varying complexity for Canadian clients using PRISM (ColdFusion), PHP, MSSQL, HTML, CSS and JavaScript. ### System Engineer / Developer, BaDM, ltd. Oct 2009 - Feb 2010 · Full Time · On-site · Poltava, Ukraine - System Engineer and Developer in the automation department of a pharmaceutical warehouse, improving operational efficiency through technical solutions. - Installed and configured a local web server on Windows using Apache, PHP and MySQL. - Implemented security measures and automated internal processes - warehouse employee in/out control and reporting, customer newsletters, and a pricelist generator with discount calculations. - Built solutions with PHP, MySQL/MSSQL, HTML, CSS and JavaScript, gaining foundational experience in system administration and automation. ### System Engineer, Artur-K, ltd. Mar 2008 - Oct 2009 · Full Time · On-site · Poltava, Ukraine - Managed network infrastructure of approximately 150 PCs, including security, technical support and maintenance of employee digital workspaces. - Gained advanced proficiency in Windows and Linux administration, network protocols (Ethernet, TCP/IP, UDP, HTTP), WiFi standards and network/web security. - Programmed and maintained the LG LDK100 PBX telephone station. ### Technical Director of Computer Class, Christian Charity Centre Apr 2007 - Oct 2010 · Full Time · Hybrid · Poltava, Ukraine - Founded and managed a Computer Class providing fundamental computer science education to people without access to such resources. - Built a fully automated local reporting system tracking visitor statistics and student progress using PHP, MySQL, HTML, CSS, JavaScript and Cron. - Delivered courses and led the initiative for over a year, providing instruction and technical support. - Gained experience in communication, soft skills and donor management before transitioning leadership to colleagues. ## Education - Computer and Information Sciences and Support Services, National Aerospace University - "Kharkiv Aviation Institute" (Aug 2003 - Nov 2004) ## Links - [LinkedIn](https://www.linkedin.com/in/ivan-melnyk/) - [Trailblazer](https://www.salesforce.com/trailblazer/ivanmelnyk) - [GitHub](https://github.com/Ivan-Melnyk/)