Senior PHP/GO Backend Engineer at TENTENS Tech | Kyiv

SKELAR is a prominent Ukrainian venture builder focused on creating international tech businesses. Together with our co-founders, we assemble strong teams to excel in global markets.Currently, SKELAR has a diverse portfolio of businesses across various niches, from EdTech to marketplaces. Our companies consistently rank among the top startups and product companies in Ukraine, achieving high standings in the AppStore and developing platforms used by millions worldwide. Our ventures have been featured in leading media outlets such as TechCrunch and Wired.We are seeking a Senior Product Manager (Retention) for our partner business, TENTENS Tech. This role will focus on developing retention strategies and driving user return growth.TENTENS Tech is a Ukrainian IT company specializing in streaming and social discovery platforms. Our team has successfully launched numerous platforms that are utilized by millions around the globe (except Antarctica, for now).Our motto, “We don’t think limits,” reflects both our strategic vision and the motivation of our team to push beyond the horizon.Key Challenges:Developing and implementing a robust Retention Marketing strategy.Generating, prioritizing, validating, launching, and analyzing a multitude of hypotheses regarding retention channel logic.Systematically enhancing key product metrics linked to user activation, retention, and return.Advancing the recommendation system logic for sending emails, SMS, and web push notifications through our proprietary ESP system.Initiating and developing new user retention channels.Conducting regular user and market research to discover new growth opportunities for the product.Taking responsibility for strategic development and actively participating in setting departmental goals.What We Value:Must-haves:At least 2 years of experience in product management, user growth, or retention/CRM initiatives.Analytical mindset and ability to make data-driven decisions (collecting, analyzing, and interpreting data to enhance product and strategic planning).Proficiency in creating technical specifications for development.Proven track record of achieving business objectives through the validation of product hypotheses.

TENTENS Tech is a partnership IT company under SKELAR, a Ukrainian venture builder focused on creating international tech businesses.We develop social discovery platforms serving over 20 million users worldwide. Our pace and scale are driven by deep expertise in analytics, high load, and performance marketing.Today, the TENTENS Tech team consists of over 250 individuals, each acting as a CEO in their role and contributing to our collective success. We operate with a 10/10ths style: staying focused on our goals, asking the right questions along the way, and never settling for “good enough” — only the maximum and then some. If this resonates with you and you're ready to speed up with us — let’s connect!We are currently seeking an Associate Product Manager to elevate our standards of excellence.In this role, you will discover data-driven insights, influence decision-making, and witness the tangible results of your work in product development.If you are interested in shaping product strategy, impacting business outcomes, and working closely with the product team — this position is for you.This role is perfect for analysts looking to transition into product management without giving up their in-depth data work. As an Associate Product Manager, you will seek patterns, test hypotheses, assist the team in making data-driven decisions, and see how your work directly impacts the product.Challenges you will face in this role include:Generating new hypotheses and prioritizing them based on conducted Market and User ResearchManaging the full-cycle validation of product hypotheses: Design, Development, Testing, AnalyticsConducting A/B tests and analyzing resultsBeing responsible for the growth of key product metrics: Approval Rates, Conversions, LTV, ROICooperating with other teams outside of development: Operations, Analytics, Finance, MarketingUnderstanding the entire user journey and identifying optimal leverage points to achieve goalsWhat matters to us:

TENTENS Tech is a partner IT company of SKELAR — a Ukrainian venture builder focused on creating international tech businesses. We develop social discovery platforms that serve over 20 million users worldwide, leveraging deep expertise in analytics, high-load systems, and performance marketing.Our team at TENTENS Tech consists of over 250 talented individuals, each acting as a CEO in their role, significantly contributing to our collective goals. We operate with the 10/10ths philosophy, aiming for excellence and continuously pushing beyond just ‘good’ to achieve outstanding results. If this resonates with you and you're ready to accelerate with us, let’s connect!We are currently seeking an HR Lead to elevate our performance standards.Key Responsibilities:— Partner with business leaders to understand goals, context, constraints, and translate these into a people plan with measurable outcomes.— Drive organizational design and capacity planning: structure, roles, grading, headcount planning, and team changes that support strategy and speed.— Build talent retention and development strategies: succession planning, individual development plans, and career tracks.— Manage the performance cycle end-to-end in relevant business areas: setting objectives, evaluation, calibration, and development — with transparency and no surprises.— Monitor achievement of targeted HR metrics in business areas: regularly review key metrics, identify reasons for deviations, coordinate corrective actions with the business, and drive measurable results.What We Value:— Experience as an HRBP with business: ability to build relationships with stakeholders, formulate a people initiative plan, and deliver results.— Expertise in developing people management skills: goal setting, delegation, development, constructive feedback, etc.— A data-driven approach: making decisions and evaluating results based on metrics, experiments, and causal relationships.— Business orientation and focus on outcomes rather than processes.— Communication and influence: ability to negotiate, argue constructively, listen, and achieve win-win solutions.— High level of ownership: take responsibility, lead initiatives end-to-end, and do not wait for “technical tasks”.Nice-to-Have:— Experience in a Senior HRBP/HR Lead role managing a team (preferably 5+ individuals) and HR functions.What You Will Gain with Us:— Internal clubs for professional growth and networking, and opportunities for collaboration on exciting projects.

SKELAR is a Ukrainian venture builder committed to developing international tech businesses. Together with our co-founders, we assemble strong teams to excel in global markets. Currently, SKELAR has a portfolio of various businesses ranging from EdTech to marketplaces, consistently ranking among the top startups and product companies in Ukraine, achieving high standings in the App Store, and creating platforms used by millions worldwide.We are seeking a Financial Analyst to join our partner company, TENTENS Tech, which develops social discovery platforms for over 20 million users globally. Their pace and scale are supported by deep expertise in analytics, high-load systems, and performance marketing.TENTENS Tech comprises a team of over 250 professionals, each acting like a CEO within their role, contributing to collective results. We operate under a 10/10ths philosophy: maintaining focus on goals, asking the right questions along the way, and never settling for 'good enough'—we aim for excellence and strive for more. If you resonate with this description and are ready to accelerate with us, let’s connect!Your Role Awaits:Treasury & Cash ManagementProcessing bank transactions and managing internal liquidityMonitoring payment statuses and resolving discrepanciesLiaising with banks and coordinating with Accounting, AP/ARReporting & ForecastingPreparing treasury reports (regular and ad-hoc)Supporting cash flow forecastingReconciliations, checking bank statements, and participating in period closuresPreparing documentation for audits/complianceAnalysis & Process ImprovementAnalyzing cash flow and liquidityOptimizing processes using Excel/Google SheetsEnhancing accuracy and efficiency in financial operations

TENTENS Tech is a collaborative IT company within SKELAR — a Ukrainian venture builder dedicated to developing international tech businesses.We create social discovery platforms that serve over 20 million users worldwide. Our pace and scale are driven by deep expertise in analytics, high-load systems, and performance marketing.Currently, our TENTENS Tech team consists of over 250 professionals, each acting as a CEO in their role, contributing to our collective success. We work under the 10/10ths principle: we stay focused on our goals, ask the right questions along the way, and never settle for “good” — only the best and a bit more. If this resonates with you and you are ready to accelerate with us — let’s connect!We are now seeking a Product Manager to elevate our performance standards together.Key Challenges Awaiting You:Generate and prioritize data-driven hypothesesDefine tasks and launch A/B tests to enhance product metricsDrive feature development from conception to production launchAnalyze user needs and pain pointsConduct systematic user and market research to identify bottlenecks and growth opportunitiesWhat Matters to Us:The ability to analyze problems comprehensively — identifying root causes, breaking them down into components, and finding optimal solutions;Proactivity and initiativeWillingness to take responsibilityWhat You Will Gain with Us:— Internal clubs for professional development: marketing, development, finance, recruiting— Training, courses, and attendance at conferences— Spacious and modern offices in Kyiv and Warsaw— Health insurance and corporate doctor servicesLet’s build the next big everything together — where “good” is just the beginning!

Join us at Quarks Tech, a leading technology firm specializing in niche products within the realms of Social Discovery and Relationship Wellness. We are dedicated to developing secure and effective solutions for dating and relationship development, with over 80 million users across more than 20 locations worldwide.At Quarks, we pride ourselves on:250+ talented professionals on our teamRecognized as a top employer for 2024 by DOUAn impressive eNPS score of 80.4%Offices in Kyiv, and hubs in Lviv and WarsawWe are currently seeking a Senior Product Manager to join our Affemity Group. This team is dedicated to creating products and technologies that measurably enhance the quality of life for our users.We are also veteran-friendly, fostering an environment where team members can not only contribute but also grow professionally.Your Impact: You will build a robust B2C product focused on mental and relationship wellness, ensuring measurable benefits for users, high retention, and engagement rates, as well as a healthy unit economy.Expected Outcomes within 6-12 Months:A well-defined product model: metric system, dashboard, and regular decision rhythm established.A solid experimental system: continuous pipeline of tests, with measurable uplift from some.Positive trends in product experience quality, verified by metrics: reduced churn, increased ARPU.Delivery team operates in a systematic and predictable manner.Your Future Responsibilities:Define the North Star and key growth drivers (activation, engagement, retention, monetization), build a product KPI tree, and conduct weekly product reviews.Analyze, design, and implement retention loops, while optimizing paywall and pricing models with a focus on user value and transparency.Prioritize hypotheses and design experiments effectively.Design user flows, establish clear acceptance criteria and Definition of Done, and coordinate with engineers for delivery planning.Establish a continuous feedback loop with users to iterate on product enhancements.

SKELAR is a pioneering Ukrainian venture builder dedicated to crafting innovative tech businesses on a global scale. Together with our co-founders, we assemble high-performing teams to conquer international markets.Currently, SKELAR boasts numerous businesses across various niches—from EdTech to marketplaces. These companies consistently rank among the top startups and product companies in Ukraine, achieving top spots in the App Store and creating platforms that millions rely on daily. Our ventures have been featured in leading media outlets like TechCrunch and Wired.We are now seeking a Retention & CRM Manager for our partner business TENTENS Tech. This vital role will focus on developing retention strategies for our products and systematically enhancing user return rates.TENTENS Tech is a Ukrainian IT company specializing in streaming and social discovery platforms. The TENTENS team has successfully launched numerous platforms that engage millions of users across all continents (except Antarctica, for now).Our motto, 'We don’t think limits,' reflects both our strategic vision and our team's drive to push beyond horizons.Key Responsibilities:Develop and implement effective Retention Marketing strategies.Generate, prioritize, validate, launch, and analyze numerous hypotheses regarding retention channel logic.Systematically work on enhancing key product metrics related to user activation, retention, and return.Develop recommendation system logics for email, SMS, and web push through our proprietary ESP system.Launch and develop new user retention channels.Conduct regular user and market research to identify new growth opportunities for our products.Take responsibility for the strategic development of the retention area and actively participate in setting departmental goals.What We Value:Must Have:At least 2 years of experience in product management, user growth, or retention/CRM initiatives.Analytical mindset with the ability to make data-driven decisions (collecting, analyzing, and interpreting data to enhance products and strategic planning).Skills in creating technical specifications for development.Proven success in achieving business goals through product hypothesis testing.

TENTENS Tech, a strategic partner of SKELAR, is a pioneering IT company that builds international tech businesses.Our innovative social discovery platforms serve over 20 million users worldwide. We thrive on our deep expertise in analytics, high-load systems, and performance marketing.Our team at TENTENS Tech is composed of over 250 talented individuals, each acting as a CEO in their role, contributing to our collective success. We embrace a 10/10ths work style: focused on our goals, asking the right questions along the way, and striving for excellence — we settle for nothing less than outstanding. If this resonates with you and you are ready to accelerate your career with us, let's connect!We are currently seeking a Payment Operations Manager to elevate our performance and enhance user payment experiences.This role is for you if:You are excited about working in a large business with high-load products, where data and expertise in product solutions and payments are paramount.You are eager to grow rapidly and develop: you will have the opportunity to enhance your operational and analytical skills under the mentorship of seasoned colleagues.You value involvement in key decisions: the chance to influence business strategy and process development, rather than just completing tasks.Challenges you will face in this role:Managing payment routines and configuring acquirers within them.Working with risk metrics and validating analytics-based decisions.Conducting A/B tests and analyzing results.Integrating new acquirers and monitoring their metrics.Being responsible for key metrics in your domain: Conversions, Approval Rates, VAMP, Chargeback Rates.Coordinating with teams across Operations, Analytics, Finance, Marketing, and Product.What matters to us:Experience in IT, Big4, or FMCG in Analyst, Operations, or related roles.Understanding the payment ecosystem and its intricacies.

TENTENS Tech is a dynamic IT partner of SKELAR, a Ukrainian venture builder dedicated to creating international tech businesses.We specialize in developing social discovery platforms for over 20 million users globally. Our momentum and scale are driven by deep expertise in analytics, high-load systems, and performance marketing.Currently, our team at TENTENS Tech consists of more than 250 talented individuals, each operating as a CEO in their role and contributing to the collective success. We embrace a 10/10ths work style: focusing on our goals, asking the right questions along the way, and never settling for 'good'—always striving for excellence and beyond. If this resonates with you and you're ready to accelerate with us, let's connect!We are seeking a Senior/Lead Data Engineer to spearhead the development of a high-load Data Platform that processes over 2500 data streams and up to 9 PB of data monthly.In this role, you will be the technical driving force of the direction and will build a platform that provides teams with scalable, reliable, and user-friendly access to data.

TENTENS Tech is a dynamic IT partner of SKELAR, a Ukrainian venture builder focused on creating international tech businesses.We design social discovery platforms catering to over 20 million users globally. Our rapid pace and scale are driven by deep expertise in analytics, high-load systems, and performance marketing.Our team at TENTENS Tech comprises over 250 professionals, where each member acts like a CEO in their role, contributing to our collective success. We operate with a 10/10ths mindset: we stay focused on our goals, ask the right questions along the way, and never settle for 'good enough'—only maximum performance and continuous improvement. If you resonate with this description and are ready to accelerate with us, let's connect!We are currently seeking a Backend Engineer (PHP) to elevate our performance standards together.

TENTENS Tech is looking for a Backend Team Lead to support its MarTech initiatives in Kyiv. This leadership position centers on guiding backend development and helping the team achieve higher performance. What you will do Lead and mentor backend engineers working on MarTech projects Guide technical decisions and support the team’s growth Promote high standards and help the team reach new levels of performance About TENTENS Tech TENTENS Tech partners with SKELAR, a Ukrainian venture builder focused on building international tech businesses. The company’s main products are social discovery platforms used by more than 20 million people worldwide. The team includes over 250 members who are encouraged to take ownership and show initiative. TENTENS Tech values focus, thoughtful questions, and a drive to exceed expectations. Ambition and a commitment to excellence are at the core of the company culture.

Join TENTENS Tech, a dynamic partner of SKELAR, a Ukrainian venture builder focused on creating international tech businesses.We develop social discovery platforms for over 20 million users worldwide, driven by our deep expertise in analytics, high-load systems, and performance marketing.Our team of 250+ professionals operates like CEOs in their roles, influencing collective outcomes. We embody the 10/10ths approach: keeping our sights on targets, asking the right questions along the way, and never settling for 'good'—only striving for excellence and beyond. If this resonates with you and you're ready to accelerate with us, let's connect!We are currently seeking an SEO Lead to elevate our performance standards.Key challenges awaiting you in this role include:Managing projects related to real brand reputations with a direct impact on search engine results.Engaging with diverse formats and a wealth of practical cases for rapid professional growth.Operating in top markets, primarily the USA, within a highly competitive niche.Analyzing trends and competitors, integrating effective SEO practices into team workflows.Tracking, analyzing, and reporting on SEO effectiveness, providing insights for enhancing business metrics.Building a systematic SEO architecture with process automation considerations.Collaborating at the intersection of SEO, SERM, content, and link building.Your impact will include:Increasing organic traffic in top markets.Enhancing process efficiency through automation (API, n8n, Make, etc.).Developing the SEO roadmap and prioritizing tasks at the business level.Strategizing SERM initiatives and project scaling.What we value:3+ years of SEO experience with proven results in competitive niches in top markets.Experience with large websites (5-10k+ pages) or managing multiple projects simultaneously.Capability in building SEO strategies and managing substantial task volumes.Deep understanding of technical SEO implementation.

TENTENS Tech is a partnership IT company under SKELAR, a Ukrainian venture builder focused on establishing international tech businesses.We create social discovery platforms for over 20 million users worldwide. Our pace and scale are driven by deep expertise in analytics, high-load systems, and performance marketing.Our TENTENS Tech team currently consists of more than 250 dedicated individuals, each acting as a CEO in their role and significantly impacting our collective outcomes. We operate with a 10/10ths mindset: staying focused on our objectives, asking the right questions along the way, and never settling for 'good enough' — always striving for excellence and a bit more. If this resonates with you and you are ready to accelerate with us, let's connect!We are currently seeking an Associate Payment Product Manager to elevate our results together.Key Responsibilities for this Role:Generate new hypotheses and prioritize them based on Market and User Research conductedManage the full-cycle validation of product hypotheses: Design, Development, Testing, AnalyticsConduct A/B testing and analyze resultsBe responsible for the growth of key product metrics: Approval Rates, Conversions, LTV, ROICollaborate with other teams outside of development: Operations, Analytics, Finance, MarketingUnderstand the complete user journey and identify optimal levers for achieving goalsWhat We Value:6+ months of experience in IT, Big4, FMCG, and successful completion of courses in Product ManagementUnderstanding what product hypotheses are and how to formulate and prioritize themStrong knowledge of basic product metrics and their interrelationships, ability to calculate Unit EconomicsSkills in conducting comprehensive research and analysis of competitors, the market, monetization models, etc.Ability to conduct A/B testing and proficient use of dashboardsAbility to clearly and structurally present information in tasks and everyday communicationProficiency in English at the Intermediate level or higherPreferred Qualifications:Experience in the payments domain

TENTENS Tech, a partner IT company of SKELAR, is at the forefront of building international tech businesses from Ukraine.We create innovative social discovery platforms that serve over 20 million users globally. Our impressive pace and scale are fueled by deep expertise in analytics, high-load systems, and performance marketing.Our team at TENTENS Tech consists of over 250 professionals, each acting as a CEO in their role and contributing to our collective success. We operate with a 10/10ths mentality: we keep our sights on our goals, ask the right questions along the way, and never settle for 'good enough' — we strive for excellence and beyond. If you resonate with this mindset and are ready to accelerate with us, we want to meet you!We are currently seeking a Backend Team Lead to help elevate our standards of excellence.

TENTENS Tech is a strategic partner of SKELAR, a Ukrainian venture builder dedicated to developing international tech businesses.We create social discovery platforms for over 20 million users globally. Our pace and scale are supported by deep expertise in analytics, high-load systems, and performance marketing.Today, the TENTENS Tech team consists of more than 250 professionals, each acting like a CEO in their role and contributing to our collective success. We operate with a 10/10ths mindset: aiming for excellence, asking the right questions along the way, and never settling for 'good enough'—we strive for maximum impact and beyond. If this resonates with you and you’re ready to accelerate with us—let’s connect!We are currently seeking a Backend Team Lead to help elevate our results.

TENTENS Tech is a dynamic partner IT company of SKELAR, a Ukrainian venture builder dedicated to developing international tech businesses.We specialize in creating social discovery platforms that engage over 20 million users globally. Our rapid growth and scale are driven by our deep expertise in analytics, high-load environments, and performance marketing.The TENTENS Tech team consists of over 250 talented professionals, each acting as a CEO in their respective roles, contributing to collective success. We operate under the 10/10ths principle: focused on goals, asking the right questions along the way, and striving for excellence without settling for "good enough". If this resonates with you and you're eager to accelerate your career with us, let's connect!We are currently seeking a Junior User Acquisition Specialist to elevate our results together.Key Challenges in this Role Include:— Launching, scaling, and optimizing advertising campaigns (Google/Social/Native/R&D);— Diving deep into metrics and analytics (CTR, CR, CPA, ROAS, LTV) to transform data into actionable insights;— Continuously experimenting with new approaches, channels, and formats;— Collaborating in creative brainstorming sessions with designers, marketing leaders, and product teams—your ideas will never be overlooked;— Analyzing competitors: their campaigns, messages, creatives, funnel structures—and leveraging insights to stay ahead.What We Value:— At least 1 year of experience in performance marketing, analytics, or related fields;— Proficiency in working with data, analytics, and dashboards;— Quick learner, adaptable to changes, and willing to think outside the box;— Detail-oriented with a double-check mentality; you can be relied upon to verify all details;— Proactive with a strong internal drive: you propose, test, analyze, and advance processes independently;— English proficiency at a B2+ level—to effectively engage with international markets and materials.Preferred Qualifications:— Understanding of key marketing metrics (CPM, CPC, CTR, ROAS, etc.) and their impact on the company's P&L;— Hands-on experience launching campaigns in Google/Meta or other performance channels;— Advanced skills in Excel/Google Sheets for rapid analysis, A/B testing, and budget planning.— Experience with Big 4/Big 3 firms is a plus.What You Will Gain with Us:— Internal training and mentorship to advance your skills.

TENTENS Tech, a partner IT company of SKELAR, is a pioneering Ukrainian venture builder focused on creating international tech businesses.We design social discovery platforms catering to over 20 million users globally, fueled by our deep expertise in analytics, high-load systems, and performance marketing.Our team at TENTENS Tech consists of 250+ professionals, each acting like a CEO in their role, significantly impacting our collective success. We embrace the 10/10ths philosophy: aiming for our goals, asking the right questions along the way, and never settling for 'good enough' — only striving for excellence and beyond. If you resonate with this description and are ready to accelerate with us, let's connect!We are currently seeking a Senior SEO Specialist to elevate our performance standards. Challenges you will face in this role:Managing projects focused on the reputation of real brands with direct influence on search results.Engaging with diverse formats and numerous practical cases - rapid professional growth.Working in Tier-1 markets (primarily the USA) within a highly competitive niche.Analyzing trends and competitors, integrating effective SEO practices into team operations.Tracking, analyzing, and reporting on SEO performance, providing insights for business metric improvements.Building a systematic SEO architecture with a focus on process automation.Collaborating at the intersection of SEO, SERM, content, and link building.What you will impact:Growth of organic traffic in Tier 1 markets.Process efficiency through automation (API, n8n, Make, etc.).Development of an SEO roadmap and prioritization of tasks at the business level.Strategy formulation for SERM and project scaling.What we value:3+ years of SEO experience with proven results in competitive niches in Tier 1 markets.Experience managing large websites (5,000–10,000+ pages) or multiple projects simultaneously.Ability to develop SEO strategy and manage large volumes of tasks.Deep understanding of technical SEO and experience with automation (API, n8n, Make, or similar tools).Strong knowledge of search algorithms and SEO best practices; awareness of industry trends and updates.

TENTENS Tech is a partner IT company of SKELAR — a Ukrainian venture builder dedicated to constructing international tech businesses.We create social discovery platforms serving over 20 million users globally. Our momentum and scale are driven by deep expertise in analytics, high-load systems, and performance marketing.Today, the TENTENS Tech team comprises over 250 individuals, each acting as a CEO in their role, impacting collective outcomes. We operate in a 10/10ths style: staying focused on our goals, asking the right questions along the way, and never settling for 'good' — only maximum performance and a bit more. If you identify with this description and are ready to accelerate with us — let’s connect!We are currently seeking a Growth Operations Lead to elevate our performance standards together.Key responsibilities in this role include:Ownership of the Online Reputation Management business directionManagement of a team of 10+ top specialistsOperational excellence: building and optimizing processes in an operations-heavy environmentEstablishing a framework for hypothesis testing and scaling successful outcomesYour influence will extend to:Process architecture, functions, and organizational structureBusiness outcomes of the unitTarget metrics, planning, and decision-makingWhat we value:Experience in building processes and teams in an operations-heavy environmentExperience managing a business unitData-driven mindsetLeadership skills and people management: driving the team while formulating ambitious plans and providing space for them to choose their tools for executionPreferred qualifications:Experience in SERM/ORM/SEO domainsWhat you will gain with us:Access to internal clubs in professional domains: reputation, marketing, development, finance, recruitment...

TENTENS Tech is a strategic partner of SKELAR, a Ukrainian venture builder focused on creating international tech businesses.We are dedicated to developing social discovery platforms serving over 20 million users globally. Our rapid growth and scale are supported by deep expertise in analytics, high-load systems, and performance marketing.Currently, our team at TENTENS Tech encompasses more than 250 individuals, each acting like a CEO in their role, contributing to our collective success. We embrace a 10/10ths work philosophy: we stay focused on our goals, ask the right questions along the way, and never settle for 'good enough'—only the absolute best and beyond. If this resonates with you and you are ready to accelerate with us, let’s connect!We are seeking a Product Analyst with experience in analytics. In this role, you will have the opportunity to propose optimal solutions to meet business needs.