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AI Product Manager and technical builder with 19+ years shipping digital products across SaaS, games, marketing tech, and AI platforms. I help clients turn early-stage ideas into working products - combining product strategy, roadmapping, and hands-on technical depth. CS degree and developer background means I work closely with engineering teams without needing things translated. Current focus: AI agents, automation workflows, and product analytics. Recently shipped an end-to-end AI agent for a B2B SaaS client (n8n, HubSpot API, Gemini) and co-built a real-time web app from scratch - because the best way to stay sharp is to keep building. What I can help you with: - AI agent design and automation workflows - Product strategy, roadmapping, and prioritization - Technical project and program management - Product analytics setup and dashboards (PostHog, Google Analytics) - SaaS and MarTech product operations Focus: AI Product Management • SaaS & MarTech • Product Analytics • LLM Integration • Automation Systems

You offer a fantastic product or service that you would like to promote globally? You want content that stands out, engages your clients, and gets you results? That’s where I come in. ⭐ Over 10 years of Upwork experience ⭐ CERTIFIED in PPC by Google Ads ⭐ CERTIFIED in Content & Inbound Marketing by HubSpot ⭐ TOP-RATED FREELANCER with over 95% success rate since 2015 ⭐ 🇪🇸 (NATIVE) 🇺🇸 (FLUENT) ⭐ Global perspective (Lived in SPAIN, DENMARK, UK, FINLAND) ⭐ The only Spanish freelance translator / writer on the platform with university-level background in marketing, engineering, and finance ===== WHAT MY CLIENTS SAY ===== “This was my first time working with Sergio, and it was a very positive experience. He translated our sales presentation from English into European Spanish, as requested, and did additional corrections and options, when requested from my colleague, with no break in his stride. He even offered to check the final look of the Spanish translation to make sure it reached the best level of quality. As a Spanish translator, his communication and adherence to deadlines are top notch! I will be using Sergio’s translation services for further work with us.” – Mirjana Ilisinovic of Creatriks d.o.o. “We hired Sergio as an English to Spanish translator. He not only did his job well, but also suggested improvements for the rest of our existing app store description. Very engaged and supportive. Recommended! Will be in touch with him for future projects.” – Ana Timofeeva of Sphere Identity “Excellent communication, and Sergio also helped us pinpoint a bug in the app, so he went beyond the scope of his role as Spanish translator and helped us a lot. Outstanding work! – Mile Rosu of Pressinfra SRL ===== WHAT I CAN DO FOR YOU ===== Taken straight from my Upwork profile, the testimonials above prove that I deliver. I will make your product or business shine—on time and totally stress-free! A Spanish native with over 10 years experience in translation, proofreading, and copywriting in a variety of sectors, including marketing, engineering, and finance, I am perfectly fluent in English (US/UK). Here's how I can help you: ✓ Expert technical translation / content creation and software documentation for developers and users. ⇒ Bridge the gap between technical knowledge and layman's terms ✓ Result-driven translation and localization of your websites, apps, and software, so you get perfectly localized and formatted strings. ⇒ Save time with someone who understands UX constraints and code ✓ Engaging translation and localization of your texts for your target audience, while retaining their original style and meaning. ⇒ Make profit globally ✓ SEO friendly content creation using carefully crafted words to engage, connect with, and convince your audience—visitors to your website, prospects scanning your landing page or reading your sales letter or email ⇒ Better conversion rates Let me put my enthusiasm and expertise to your service! ===== WHAT I OFFER ===== ⇨ CONTENT TRANSLATION, LOCALIZATION, AND OPTIMIZATION o Proofreading / Editing and Optimization o General Translation o Research Paper / White Paper / Technical Translation / Software Documentation o Website, App, and Software translation and localization ⇨ CONTENT CREATION o Software / technical documentation (experience in C, C++, Java, Swift, PHP, JavaScript, SQL, C#) o Tutorials and How-to Guides o Blog and article writing (project management, software development, languages, lifestyle, health, and fitness) o UX writing o Copywriting Don't see what you're looking for? Reach out and ask! I can provide you with content that will make your product or service shine in Spanish or English! With each package, you also get: ✓ Quality content, thoroughly proofread and optimized ✓ Attention to details ✓ Full commitment—I’m here to help you succeed! ✓ Always on time ===== LET'S DO GREAT THINGS TOGETHER ! ===== If you have the same standards of excellence for your business as I have for mine, and you are fully aware of what great quality content can bring to your business, I’m sure we’d make a great team! Click the green “Invite” or “Hire now” button at the top of the page, and let’s discuss your project!

🎯 I've worked for these agencies: Wunderman, Havas, 121, Boom, Omnify, Skale Creatives, The Venture Beyond, Untamed, Bold Bananas, AdsWithMarian. I know how industries like skincare, prop funding, sports and DTC brands in general move on this field. I'm always focused on new trends, using patterns that work and using ai to make my work faster, not to do my work. I've seen brands like Quasi, Senarah, SugarBaby, FitCherries, Avera, Lialys, Tonochi, KaEx, Minimal Desk Setups, Warrior Willpower, PureFlow, AltruaLab Lymphatic Complex, Gemmies, Featherie, and a big etc. If I tell you we can print money with ads, trust me, we can print money with ads. Not using AI to write about myself as some "CS" out there might be doing. Writing is my passion. My work is fully hands-on: • Creative research & angles • Hooks & ad scripts (UGC, video, statics) • Direct response copywriting • Iteration based on CTR, retention & conversions • Claude Code, Higgsfield.ai, BrandSearch, AdSpy, Motion, CreativeOS, Frameio, etc. Understanding audience psychology is the foundation of everything I do. I break down fears, desires, and objections to create ads that stop the scroll and drive action. 👩‍🎓Graduated from the Instituto Peruano de Publicidad in Lima. 👩‍🎓EcomTalent – Creative Strategist Certification - #1 Place On Whop To Learn How To Scale Ecom Brands With Ads 👩‍🎓Diploma in Digital Marketing at the Australian Pacific College creative school in Sydney. 👩‍🎓Bilingual in English and Spanish (Latin and European). Currently available to collaborate directly with brands looking for a creative strategist who thinks in performance. I don't make ads, I print money. Happy to jump on a quick call to see if we’re a good fit. Can't wait? Grab some pop-corn, stretch your legs and watch my portfolio below.

🌟 I'm Cristina, a bilingual voiceover artist and video creator, specialized in bringing messages to life through voice and visuals. Fluent en both Spanish and English with basic French skills and all three accents. Having lived in several countries, I've developed a deep sensitivity and adaptability to different cultures. My strengths lie in empathy, communication, creativity and marketing — skills that I don't just bring to my work but use as a way to experience life. From car commercials to tech gadgets, self development and meditation, I adapt my voice and presence to resonate with any audience and theme. I've worked with various companies and brands, crafting content for social media, advertising, and more. For me, communication is more than just a passion—it's who I am. The magic of conveying ideas and emotions is what drives me to perfect my craft and deliver my best in every project. With a passion for storytelling and a talent for engaging with audiences, I bring over 8 years of professional experience as a content creator. Others skills include writing articles for blogs, developing press releases, creating engaging social media content for platforms like LinkedIn, Instagram and TikTok, and even scriptwriting for videos. I’ve also delved into ghostwriting for books and managing comprehensive blog posting strategies. Throughout my career, I’ve had the privilege of working with a wide range of clients, from startups to established brands, helping them to articulate their message and reach their target audience effectively. What I Offer: 📝💡✨ 🌟 Voiceover artistry 🌟 Video Creation 🌟 Bilingual Communication 🌟 Blog Writing 🌟 Social Media Content 🌟 Script Writing 🌟 Book Writing Why choose me? 🎯✍️ I understand that great content is the cornerstone of any successful brand. That’s why I focus on creating content that not only looks good on paper (or screen) but also aligns with your overall marketing goals. My approach is collaborative—I work closely with you to understand your vision, your audience, and your objectives. This ensures that every piece of content I create is perfectly aligned with your brand’s voice and goals. I’m not just here to write and create content—I’m here to help your brand succeed and deliver the power of communication 🚀 Let's work together! 🤝✨

Is your Shopify or WordPress site losing traffic, trapped on page 2 of Google, running slow, or failing to index? I transform struggling websites into high-performance lead generation engines using advanced Search Engine Optimization and data-driven Technical SEO architecture. 👋 I’m David – a Technical SEO Specialist and Shopify SEO Expert who speaks Liquid, PHP, and JSON-LD. While 95% of SEOs rely on heavy plugins that bloat your code, I write clean custom code to fix what others break. I build scalable Search Engine Optimization systems that drive organic traffic without sacrificing core web vitals. 📈 PROVEN SEARCH ENGINE OPTIMIZATION ACHIEVEMENTS: ✔️ Scaled organic traffic by +200% for high-traffic E-commerce brands via advanced Technical SEO and Content SEO strategies (no heavy apps). ✔️ Fixed 10,000+ canonical, pagination, and indexation bugs directly via custom Shopify SEO Liquid edits and WordPress core fixes. ✔️ 24h to 48h traffic recovery after Google Core Updates by resolving critical Technical SEO gaps and JavaScript rendering issues. ✔️ Dominated local and national search using Local SEO and GEO AIO SEO clusters for highly competitive YMYL niches. 🛠️ MY CORE SEO SERVICES & EXPERTISE: • Technical SEO & Shopify SEO: I fix complex indexing leaks, "Crawled - currently not indexed" issues, and XML sitemap sharding for sites with 50k+ URLs. My Technical SEO approach guarantees pristine code and maximum SEO Performance. • Local SEO & On-Page SEO: Dominating local markets with targeted Local SEO, Google My Business optimization, and semantic On-Page SEO architectures. • Off-Page SEO & SEO Backlinking: High-authority HARO Link Building, safe Link Wheel campaigns, and premium SEO Backlinking to build massive domain trust. • Content SEO & SEO Strategy: Blending human SEO Writing with AI Content Writing for unstoppable SEO Performance. Deep Competitive Analysis and SEO Keyword Research to find untapped ranking opportunities. • Comprehensive SEO Audit: End-to-end SEO Setup & Configuration, ensuring your site is perfectly understood by both Google and modern AI discovery engines (SGE). ⚙️ MY SEO TOOLS & STACK: To ensure top-tier Search Engine Optimization, I utilize the industry's absolute best SEO Tools. My daily tracking stack includes Google Search Console, Google Analytics, Google Ads, and Bing Webmaster Tools. For deep enterprise crawling, I use Screaming Frog SEO Spider and DeepCrawl. For market and competitor research, I rely heavily on Ahrefs, SEMrush, Moz, and Google Trends. I integrate seamlessly with CMS platforms using WordPress SEO Plugin, Yoast SEO, and Wix SEO Wiz. To dominate content generation, I optimize via Surfer SEO, Jasper AI, Copy.ai, ChatGPT, and Frase. If you want a Technical SEO and Shopify SEO partner who builds code-based Search Engine Optimization systems instead of just talking—let’s talk. Ready to clean up your code and dominate the SERPs? Cheers, David ⬇️ SEO Expertise & Algorithm Match Directory ⬇️ Primary Roles: SEO Expert | Technical SEO Specialist | Shopify SEO Expert | Search Engine Optimization Specialist | SEO Strategist | SEO Consultant | Ecommerce SEO Expert | Local SEO Expert | Google SEO Expert | SEO Webmaster | Senior SEO Engineer | Enterprise SEO Freelancer Core Search Engine Optimization Skills: SEO Services | Technical SEO | Shopify SEO | WordPress SEO | Local SEO | On-Page SEO | Off-Page SEO | Content SEO | SEO Strategy | SEO Audit | SEO Setup & Configuration | SEO Keyword Research | Competitive Analysis | SEO Performance | AI Content Writing | SEO Writing | SEO Backlinking | HARO Link Building | Link Wheel | Search Engine Optimization Advanced Technical SEO & Code: JSON-LD | Structured Data | Schema Markup | Liquid Code Fixes | PHP SEO | DOM Structure Optimization | Core Web Vitals | Page Speed Optimization | JavaScript SEO | Indexation Fixes | Crawl Budget Optimization | WP-JSON API | Headless SEO | Hreflang Logic | International SEO | Site Migrations | Code Review | XML Sitemaps | Robots.txt | Canonical Tags | Mobile Web Optimization Strategic & Content SEO Topics: Entities SEO | E-E-A-T | Semantic SEO | AI Search (SGE) | GEO AIO | Keyword Clustering | LSI Keywords | SEO Content Creation | SERP SEO | SEO SERM | B2B SEO | B2C SEO | Pharma SEO | Job Board SEO | SEO Organic Strategy | SEO Traffic Growth | Content Gap Analysis | SEO H1 | SEO Title | SEO Description | SEO Copywriting | Alt & Title Tags | Tofu Mofu Bofu | Skyscraper Technique Off-Page & Authority Building: Link Building Strategy | Guest Post SEO | PR SEO | Forum SEO | Domain Authority (DA) | Domain Rating (DR) | PageRank | SEO Domain Migration | White Hat SEO | SEO Outreach Analytics & Reporting: SEO Reporting | GSC API Integration | BigQuery SEO | Google Tag Manager | SEO Data Analysis | Algorithm Update Recovery | Google Ranking Optimization | SEO ROI Tracking | SEO Automation | SEO ML Geo-Targeting: USA SEO | DACH SEO | UK SEO | International Search Engine Optimization |

I'm a High School Social Studies and History teacher in both languages (Spanish and English) I have an obsession with the implementation of new technologies in education, especially in the social sciences. I traveled all across the world seeking new experiences and trying new things. That's why I became a freelancer, to work with my laptop anywhere. The COVID-19 pandemic forces me to return home. Now I'm working in my house, so you can reach me any time you want. Communication is a vital part of any job; even if it's made remotely, the client expectations can be met without problems ONLY if the freelancer knows what to ask and how. I'm an expert on it, and I care about keeping a good communication flow to avoid misunderstandings. That's a fundamental part of any job.