Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Experienced marketing professional with 10+ years of expertise across multi-channel marketing, employer branding, social media, and advertising. I help organizations grow by turning data into strategy, building strong communication concepts for both technical and business audiences, and optimizing campaigns for measurable ROI. I’m passionate about teamwork, continuous learning, and open collaboration. I’ve worked with startups and global brands, and I enjoy mentoring teams, managing projects, and creating content that attracts talent and customers—consistently driving performance and impact.…Experienced marketing professional with 10+ years of expertise across multi-channel marketing, employer branding, social media, and advertising. I help organizations grow by turning data into strategy, building strong communication concepts for both technical and business audiences, and optimizing campaigns for measurable ROI. I’m passionate about teamwork, continuous learning, and open collaboration. I’ve worked with startups and global brands, and I enjoy mentoring teams, managing projects, and creating content that attracts talent and customers—consistently driving performance and impact.

Serhii Antonenko

Digital Marketer, Marketing Analyst, Social Media Manager, +3





Experienced marketing professional with 10+ years of expertise across multi-channel marketing, employer branding, social media, and advertising. I help organizations grow by turning data into strategy, building strong communication concepts for both technical and business audiences, and optimizing campaigns for measurable ROI. I’m passionate about teamwork, continuous learning, and open collaboration. I’ve worked with startups and global brands, and I enjoy mentoring teams, managing projects, and creating content that attracts talent and customers—consistently driving performance and impact.…Experienced marketing professional with 10+ years of expertise across multi-channel marketing, employer branding, social media, and advertising. I help organizations grow by turning data into strategy, building strong communication concepts for both technical and business audiences, and optimizing campaigns for measurable ROI. I’m passionate about teamwork, continuous learning, and open collaboration. I’ve worked with startups and global brands, and I enjoy mentoring teams, managing projects, and creating content that attracts talent and customers—consistently driving performance and impact.

Available to hire

Experienced marketing professional with 10+ years of expertise across multi-channel marketing, employer branding, social media, and advertising. I help organizations grow by turning data into strategy, building strong communication concepts for both technical and business audiences, and optimizing campaigns for measurable ROI.

I’m passionate about teamwork, continuous learning, and open collaboration. I’ve worked with startups and global brands, and I enjoy mentoring teams, managing projects, and creating content that attracts talent and customers—consistently driving performance and impact.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Beginner

Language

English

Fluent

Ukrainian

Fluent

French

Intermediate

Spanish; Castilian

Intermediate

Work Experience

Senior Marketing Specialist at EPAM Systems

April 1, 2024 - Present

Led cross-location marketing initiatives (20+ locations) and collaborated with global teams to deliver campaigns exceeding targets. Analyzed performance metrics using Google Analytics and Power BI to understand audiences and optimize marketing efforts. Developed and executed marketing strategies, managed and improved advertising campaigns to enhance ROI, and mentored team members with diverse skill sets.

Marketing Specialist at EPAM Systems

October 1, 2021 - March 31, 2024

Contributed to multi-market employer branding and marketing campaigns by using analytics to optimize targeting and performance. Supported strategy execution, advertising management, and content creation designed to strengthen the employer brand and attract talent.

Digital Marketing Specialist at Propaganda Solutions

April 1, 2021 - September 30, 2021

Developed marketing and content strategies, launched and analyzed advertising campaigns, and supported the design team. Worked with brands in Germany with goals including increased awareness and customer loyalty, sales growth, and market expansion to other EU countries, the UK, and the USA. Participated in creating a long-term marketing strategy for a brand founded about 100 years earlier.

Marketing Specialist at BeaverCraft

March 1, 2021 - May 31, 2022

Created content and marketing/communication strategies and managed paid campaigns. Implemented and optimized ad accounts across Facebook/Instagram/LinkedIn/Google/Pinterest and analyzed website and sales metrics using tools including Google Analytics and Amazon Advertiser. Coordinated blogger collaborations and developed email marketing strategy in HubSpot. Built sales funnels to increase sales and improve ROI/ROAS, increasing brand awareness and social reach (including ~40,000 follower growth in total for the year).

Marketing Expert at Fireflies Agency

March 1, 2016 - Present

Built and scaled marketing efforts to increase brand awareness, develop digital channels, and drive sales and customer growth. Created multi-channel social media strategies and managed paid campaigns across platforms (Meta, LinkedIn, Twitter, Google, YouTube, Pinterest, TikTok). Designed sales funnels, analyzed campaign performance, and used analytics tools (e.g., Google Analytics) to optimize ROI/ROAS. Achievements included reaching 100M+ people globally and driving 200,000+ targeted subscribers to social channels, with ROAS increases up to 6x for some e-commerce brands.