I am a global Product Owner with 10+ years of experience delivering and managing native & cross-platform mobile apps, desktop & mobile websites and landing pages, software, and APIs solving business goals and fulfilling users needs. I specialise in driving product growth, go-to-market strategies, and managing cross-functional teams of 20+ specialists across industries like streaming, media, retail, e-commerce, and marketplaces.Proficient in Agile methodologies, I earned the #1 top rank among 40 product managers at AliExpress during the annual performance review, leading to a promotion within five months.My expertise spans end-to-end product lifecycle management, strategic planning, stakeholder management & collaboration, data-driven decision-making, and delivering scalable, user-centric solutions that drive business growth. I am also experienced in leading development teams, hiring talent, and mentoring junior product managers. Key achievements:– Boosted YoY local sellers sales by 124% at marketplace via user lifecycle strategies & building CRM system.– Acquired 5M+ users and €300K in weekly revenue by launching a personalised notification sending tool & API. – Delivered 100+ projects and features in B2C & B2B2C, managing teams of 20+ specialists (developers, designers, QAs, analysts, product managers, community managers, copywriters).– Improved team efficiency by 70% and cut response times by 50% with Agile workflows.– Hired and trained 15+ IT specialists, built and maintained a knowledge base in Confluence, improving collaboration and reducing onboarding time by 30%.– Designed and implemented dashboards with key metrics and analytics, enabling transparent performance tracking and data-driven decision-making.Tech stack used in projects:Development: JavaScript, TypeScript, React, Vue.js, REST API, ESLint, MongoDB, MySQL, ClickHouse, Docker, Kubernetes, Jenkins, GitLab, GitHub, PHP, Python, Java, Airtable, BitBucket. Mobile development: iOS (Swift, Obj-C), Android (Kotlin, Java), React Native, Flutter, App Store Connect, Google Play Console, Xcode.CMS: Drupal, Joomla, TYPO3, Wix, Imprimatur, Readymag, Wordpress, Tilda.Analytics: Firebase, Amplitude, Mixpanel, Tableau, GA, Ya.Metrika, Appslfyer, Adjust, A/B testing tools.Prototyping & UX/UI: Figma, Adobe, Miro, Zeplin, Sketch, ProtoPie, Balsamiq.Management tools: Jira, Confluence, other task tracking systems & knowledge sharing tools.
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Product Advisor ExpertYessa AppBerlin, De
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Mentor / Product Owner | Emea, Apac, Eu, Remote | B2C & B2BAdplist.Org Dec 2022 - PresentBerlin, Germany150+ hours consulting startups and mentoring junior & middle product managers. Highlights of 2024:Metro Markets B2B (traffic growth domain): mentored Product Manager in metrics analysis, critical thinking, and stakeholder management.B2B2C startup: mentorship sessions about product-market fit & product discovery process.B2B startup: hired and managed a team of 5 Product Managers and 2 Designers, defined the product vision, developed a metrics tree, and successfully launched an MVP with a clear go-to-market strategy. B2B2C startup: conducted product-market fit analysis, led discovery processes, and delivered successful MVP launch, ARPPU & ARPU calculation, Unit economics. -
Product Owner | Na, Uk & Eu | B2C Subscription-Based + AdvertisingMuse Group Sep 2021 - Aug 2022Muse Group creates the world's most popular music apps and content, including Hal Leonard, Ultimate Guitar, MuseScore, Audacity and more. Through our innovative learning tools, expansive music catalogs and free open-source software, we improve the lives of musicians every day.Ultimate guitar - 20+ y.o. Tabs and chords catalog USA + EU markets: 53M+ app downloads; 200M+ yearly users Generated an additional 5% MRR by leading a 20 member Agile cross-functional team (developers, designers, QA, content managers, community managers, and analysts) to successfully launch a new e-learning platform on Ultimate guitar web-site and in iOS + Android applications (react native).Increased retention rate by 15% implementing gamification strategy and boosting user generated short-video content creation by 20% in mobile apps. -
Product Owner | Cis | User Growth & Traffic | Crm | Bx | B2B2C | ClcAliexpress Aug 2020 - Aug 2021AliExpress is an international marketplace enabling global consumers to buy directly from manufacturers and distributors in China and around the world. It is available in 18 languages, including English, Spanish and French.It is part of the Alibaba International Digital Commerce Group.User Growth and Operations domain - mobile apps and website with 35M MAU, grew by 124% YoY in local CIS sales in 2021Improved external visibility of development processes (team: developers & qa-s) by 70% and enhanced stakeholder satisfaction by 50% through the implementation of Agile practices and a bi-weekly update process, enabling rapid iteration on product features with clear and consistent communication.Drove 124% YoY local sellers sales growth and acquired 5M+ users weekly by designing user lifecycle strategies and building an independent sending UI and API for personalised notifications, generating €300K in weekly revenue across email, push, and social media channels.Assembled a project team including product managers, analysts, developers and marketers from Global and Local teams to create a CRM system that was independent from Global office and able to quickly adapt to the needs of the local market and manage customer’s behaviour on and outside the platform. With direct reporting to C-level about the achievements, overall progress and next steps/goals we launched a tool that allowed us to manage relationships with more than 5M users. Engineered a successful loyalty program (Task mechanism) with an organic Daily Active User (DAU) base of 1 million users, boasting a remarkable 60% return rate and a 25% repurchase rate. The program leveraged daily buying incentives for users, enhancing overall engagement. Achieved the top rank among 40 Product Managers in the CIS during the annual performance review, leading to a promotion to Head of User Operations domain (points of contact, communications, landings, coupons, backend driven mobile UI) within five months. -
Product Owner | Streaming | Cis | B2C Subscription-Based + AdvertisingYandex Nov 2016 - Jul 2020Russian FederationYandex is a technology company that builds intelligent products and services powered by machine learning. Company’s goal is to help consumers and businesses better navigate the online and offline world. Since 1997, Yandex has delivered world-class, locally relevant search and information services. Additionally, developed market-leading on-demand transportation services, navigation products, and other mobile applications for millions of consumers across the globe. Yandex, which has 34 offices worldwide, has been listed on the NASDAQ since 2011.Yandex. Music is the first in CIS and the 7th world music streaming service with 2% of the world market and 14M MAU.Developed and successfully implemented a strategy to increase the retention of paying users by 30% and the conversion rate from trial to paid by 15%, leading an Agile team (designers, mobile and web developers, backend, analysts, testers). As part of this strategy, achieved a zero complaint backlog from paying customers within six months. Increased user activation by 30% in two months through iterative improvements of onboarding UX in mobile apps and on the website using A/B testing.Launched ability to earn €100K per advertising special project by implementing app and website customisation capabilities, leading to the successful launch of new format with renowned brands such as Pepsi, Lay’s, Warner Brothers, Marvel, Huawei, Haval, Disney, and more.Reduced technical debt by 60% and strengthened the team by hiring an additional two developers while stepped into the role of Front End Team Leader for 1.5 years. -
Product Owner | Content Marketing Agency | B2B2C | Adtech | Mobile MagazinesBurdainternationalru Oct 2013 - Oct 2016Moscow, RussiaWith around 10,500 employees and over 500 brands world-wide, Hubert Burda Media is one of Germany's largest technology and media companies.Company uses their social relevance to make a difference and offer employees the freedom to be creative and to invent new things. That is why working at Burda means: working "...in good company".All business activities focus on consumers, offering them reliable information, helpful services and great entertainment. Company has strong media and digital brands in the News, Tech, Food, Living, Gardening, Fashion, Lifestyle, Health and Entertainment segments. Burda is active in 13 markets across Europe, Asia, and the United States.Earned €25K/month per client revenue for 1.5 years by launching a new in-house content marketing agency for a publishing house & onboarding top-tier clients such as Media Markt and Toyota.Localised and introduced NetMoms.de’s desktop and mobile platforms to the CIS market, securing additional advertising revenue from the Mother & Child audience segment. -
Product Owner | E-Commerce | Crm | Clc | CisLacoste May 2013 - Aug 2013Moscow, RussiaAt the crossroads of fashion and sport, Lacoste liberates and creates movement.Both universal and timeless, it crosses cultures, oceans and generations to inspire each and every person.Two Lacoste items are sold every second in the world.As a global brand, our 8 500 team members are present in more than 100 countries, on all continents. We offer a wide range of jobs, from manufacturing to omnichannel distribution. We provide to our customers a complete range of products: apparel, footwear, leather goods, underwear, fragrances, eyewear and watches, all of them being developed with a unique "savoir faire", in the most qualitative, responsible and ethical way.- Launch new CRM system- Launch new web site (e-comm) for Lacoste brand in CIS -
Head Of EcommerceLlc Hitek Group Aug 2011 - Apr 2013Moscow, RussiaRu wholesale and retail company distributing professional tools for hairdressers, professional cosmetics, solariums, as well as furniture and equipment for beauty salons. Launched e-commerce sales of the company from scratch (creation and support of a website with development & SEO optimization); Made it possible to increase the number of orders from 100 per week to 1500 per day. Boosted sales at regional affiliates through their websites.Launched performance marketing campaigns with broad diversification and positive ROI.
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Business AnalystLlc Hitek Group Feb 2011 - Aug 2011Moscow, Russia
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Retail Business AnalystLlc Press House Dec 2009 - Jan 2011Moscow, RussiaPart of the largest operator in the print distribution market in Russia and the CIS, the federal network includes about 170 minimarkets in 15 cities.Planning and analysing sales of the entire mini-market chain. Managing the assortment of outlets by category.Creating a business plan for new openings of outlets based on format and place.Control over the quality of product display, planogram preparation.
Elena Semko Education Details
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Moscow State Institute For The Humanities And Information TechnologiesEconomics And Enterprise Management (Retail, Wholesale And Horeca)
Frequently Asked Questions about Elena Semko
What company does Elena Semko work for?
Elena Semko works for Yessa App
What is Elena Semko's role at the current company?
Elena Semko's current role is Product Advisor Expert.
What schools did Elena Semko attend?
Elena Semko attended Moscow State Institute For The Humanities And Information Technologies.
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Elena Semko
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Elena Semko
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