QA Engineer at Quarks Tech | Kyiv

Hello, let’s get to know each other better. We are Quarks, a technological company that develops niche products in the areas of Social Discovery & Relationship Wellness. We focus on creating safe and effective solutions for dating and relationship development.Additionally, Quarks is:A team of over 250 QuarksRecognized as a top employer in 2024 by DOUAn eNPS score of 80.4%Having offices in Kyiv, with hubs in Lviv and WarsawOur flagship product, Kismia, is a dating application with over 80 million users across more than 20 locations worldwide. We are also engaged in developing services for marketing, analytics, and moderation.Currently, we are looking for a QA Engineer to join our Internal PaaS team, responsible for development, architecture, QA, DevOps, and other processes that form the technological foundation of our products.We are also open to hiring veterans—creating an environment where you can not just be part of the team, but also grow.Your future tasks:Testing the web application at various stages of the development life cycle (primarily front-end)Identifying, documenting, and tracking defects (bug tracking)Monitoring and supporting already implemented functionalitiesPreparing and updating test documentation (checklists, test cases)Participating in refinement, planning, and estimation processesCollaborating closely with a cross-functional team: developers, AQA, designers, analysts, and PMsWhat we value in this role:At least 1 year of experience in manual testing of web applicationsStrong knowledge of testing theory (types, levels, techniques, etc.)Understanding of the software development life cycle (SDLC)Practical skills in using DevToolsExperience with requirements and technical documentationFamiliarity with tools: Jira, Confluence, TMSBasic understanding of client-server architectureIt would be a plus:Experience in automated testing

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.

Greetings! We’re excited to connect with you.We are Quarks, a leading technology company dedicated to developing niche products in the fields of Social Discovery and Relationship Wellness. Our focus is on creating safe and effective solutions for dating and relationship enhancement, with over 80 million users across more than 20 locations worldwide.At Quarks, you’ll find:A vibrant team of over 250 professionalsRecognized as a top employer in 2024 by DOUAn impressive eNPS score of 80.4%Offices in Kyiv, with hubs in Lviv and WarsawWe are currently looking for a Product Analyst to join our Affemity Group, a team dedicated to creating products and technologies that empower people to measurably enhance their quality of life.We also welcome veterans to apply, fostering an environment where you can not only be part of the team but also grow within it.Your Impact: You will ensure product transparency through data, influencing decisions that drive key metrics growth, improve unit economics, and contribute to systematic product development.Expected Results within 6-12 Months:In-depth understanding of the product, its business model, and key metric driversEstablished core metric systems and dashboards for decision-makingImplemented monitoring of key metrics with proactive anomaly detectionDeveloped and sustained a robust experimentation culture (A/B testing)Formed a strong partnership with product teams on strategic decisionsYour Future Responsibilities:Developing an analytical framework within the product domain → metric systems, dashboards, and a unified data approachAnalyzing product performance and identifying growth opportunities to meet goals and KPIs → forming hypotheses and data-driven recommendationsMonitoring key metrics and diagnosing changes in their dynamics → proactively identifying issues and opportunitiesDesigning and analyzing experiments (A/B tests) → from hypothesis formulation to results interpretation and implementationDesigning and enhancing tracking systems → ensuring data accuracy, completeness, and quality

Hello, let's get to know each other better. We are Quarks, a technology company dedicated to creating niche products in the realm of Social Discovery & Relationship Wellness. Our mission is to develop safe and effective solutions for dating and relationship development.Quarks stands out for:A talented team of over 250 membersVoted Top Employer of 2024 by DOUAn impressive eNPS score of 80.4%Offices in Kyiv, with hubs in Lviv and WarsawOur flagship product, Kismia, is a dating application boasting over 80 million users across more than 20 locations globally. Additionally, we are developing services for marketing, analytics, and moderation.We are currently seeking an Event Manager to join our Back Office team, which fosters a comfortable environment for our team members, promotes effective team collaboration, and enhances our internal culture.We also welcome veterans—we create conditions where you can not only be a part of our team but also grow.Your impact area: Strengthen our culture, brand, and team interaction through the organization of meaningful events that inspire and unite, opening new opportunities for individuals inside and outside the company.Your future tasks:Organizing internal events – team buildings, all-hands meetings, meetups, manager gatheringsPreparing and designing internal communication materials (event announcements, summaries, feedback forms) for our corporate Slack platformCollaborating with the Brand Design team on merchandise and printed materialsWhat we value in this role:Minimum of 1 year of experience in a similar roleExperience in organizing events for audiences of over 150 peopleFull-cycle experience in working with contractors: sourcing, communication, contract negotiation, and execution oversightProficient in planning and communication tools (Slack, Notion, Google Workspace)Strong organizational and communication skills, with the ability to engage various audience typesAbility to work in a fast-paced environment with tight deadlines while maintaining quality

Quarks Tech develops niche products for social discovery and relationship wellness, serving over 80 million users in more than 20 countries. The company is recognized for its commitment to safe, effective solutions in dating and relationship development. With a team of over 250 people, Quarks Tech has earned recognition as a Top Employer in 2024 by DOU and maintains an impressive eNPS score of 80.4%. The main office is in Kyiv, with additional hubs in Lviv and Warsaw. The Senior Product Owner will join the Affemity Group, focusing on products and technologies designed to improve quality of life. Quarks Tech welcomes applications from veterans and aims to create an environment where every team member can grow. Role overview This position owns the full product lifecycle for offerings that deliver measurable benefits to users, with strong retention and engagement and a healthy unit economy. What you will do Set product direction: decide which requests to address, define user outcomes, and determine which experiments to run. After each experiment, make decisions to scale, close, or pivot. Manage the product cycle: maintain a hypothesis queue, establish clear metrics before each test, and diagnose failures at various levels (AI quality, mechanics, product output, or user requests). Collaborate with the Technical PM: define what to build and for whom, while the Technical PM manages implementation and timelines. Work directly with the AI team: set quality standards for responses, investigate failures, and iterate on improvements. This responsibility is not delegated to developers. Independently analyze data: use tools such as Amplitude, Mixpanel, GA4, and SQL (basic to intermediate) to review cohorts, funnels, and retention. Requirements At least 4 years in product management, with a minimum of 2 years in B2C subscription or payment model products, including responsibility for retention. Experience taking a product from 0 to 1 or working pre-product-market fit. Lead-level background: autonomous ownership, collaboration with C-level executives, and full responsibility for decisions. Learn more about Quarks Tech at quarks.tech.

SKELAR is a Ukrainian venture builder dedicated to creating international tech businesses. Together with our co-founders, we assemble strong teams to excel in global markets.Currently, SKELAR operates a dozen businesses across various niches, from EdTech to marketplaces. Our companies rank among the top startups and product companies in Ukraine, achieving high placements in the App Store and developing platforms used by millions. SKELAR's businesses have been featured in prominent media like TechCrunch and Wired.We pride ourselves on a strong team of over 1,000 experts with exceptional expertise and ambitious goals. Our people are our most valuable asset, which is why we strive to build businesses together with the best talent in the market.We are currently seeking a General QA Engineer to join our team:Brighterly is an online mathematics school for children. We are building an educational ecosystem to be the “home page” for learning mathematics for kids and their parents. Brighterly is developing the next EdTech unicorn on a market with a potential of $130 billion.Tech stack: https://skelar-tech.github.io/Brighterly/Key responsibilities include:Impacting functionality quality through manual testing of the platform (primarily web-based)Participating in building the automation framework using PlaywrightReviewing task requirements before development to ensure we do not break existing functionalityMonitoring the quality of daily releasesOffering ideas for improving the testing process to identify issues earlyEstablishing efficient QA processes for a global productWhat we value:Ability to document bugs, create structured cases, checklists, and reports that are easy to reproduceExperience with bug tracking systems (Jira, YouTrack, ClickUp, Testomat.io, etc.)Understanding of APIs and approaches to testing them

Ajax Systems — a leading international technology firm and the largest manufacturer of security systems in Europe. Our products are trusted by over 4.5 million end users and 330 thousand PRO users across more than 180 countries. Ajax provides comprehensive solutions to safeguard residential and commercial properties of various sizes. Currently, our portfolio includes 280 devices for intrusion protection, video surveillance, fire safety, comfort, and automation. Each year, we demonstrate exponential growth in both team size and user base worldwide.The security systems we develop demand heightened standards of reliability and stability. This is why our QA Department at Ajax Systems supports product development through all stages, from inception to manufacturing and ongoing enhancement. Our team identifies bugs in hardware, software, or system interactions. We are not just a group of 'clickers'; we are creative engineers who test new devices under various extreme conditions: simulating human and animal movements, recreating complex weather scenarios, managing temperature fluctuations, and conducting controlled fires and flooding.

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.

Join Playtech as a Junior QA Engineer, where you will play a vital role in ensuring the quality and performance of our cutting-edge gaming products. In this entry-level position, you'll work closely with our development team to identify issues, create test plans, and execute software testing procedures. This is an excellent opportunity for recent graduates or individuals looking to start their careers in software quality assurance.

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.

As a Quality Assurance Engineer at Ajax, you will play a pivotal role in ensuring the quality and reliability of our software products. You will work closely with developers to identify and resolve issues, create and execute test plans, and contribute to the continuous improvement of our testing processes.

TENTENS Tech is a partner IT company 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 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 collective success. We adhere to the 10/10ths philosophy: we stay focused on our goals, ask the right questions along the way, and never settle for "good"—we strive 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 Backend Engineer (PHP/Go) to help elevate our performance standards.

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

SKELAR is a leading Ukrainian venture builder focused on creating international tech businesses. We collaborate with co-founders to assemble strong teams that conquer global markets. Currently, SKELAR has a portfolio of innovative businesses across various niches, from EdTech to marketplaces, that consistently rank among the top startups and product companies in Ukraine, achieving high accolades in the App Store and developing platforms used by millions worldwide.We are currently seeking a Treasury Analyst for our partner company TENTENS Tech, which develops social discovery platforms for over 20 million users globally. Their success is driven by deep expertise in analytics, high-load systems, and performance marketing.TENTENS Tech comprises a dynamic team of over 250 individuals, each acting like a CEO in their role and contributing to the overall success. We work with a 10/10ths philosophy: we stay focused on our goals, ask the right questions along the journey, and never settle for 'good enough'—only the maximum and a little bit more. If you see yourself in this description and are ready to accelerate with us, let’s connect!What you can expect in this role:Treasury & Cash ManagementProcessing bank payments and managing intra-group liquidityMonitoring payment statuses and resolving discrepanciesCommunicating with banks and coordinating with Accounting, AP/ARReporting & ForecastingPreparing treasury reports (regular & ad-hoc)Supporting cash flow forecastingReconciliations, verifying bank statements, participating in period closingsPreparing documentation for audit/compliance purposesAnalysis & Process ImprovementAnalyzing cash flow and liquidity movementsOptimizing processes using Excel/Google SheetsEnhancing accuracy and efficiency of financial operations

Join our dynamic team at Wix.com as an IT Support Engineer where you will be instrumental in delivering exceptional IT support and overseeing IT operations for our diverse workforce across multiple locations. Your expertise will be vital in sustaining our IT infrastructure, maintaining an accurate inventory, and facilitating smooth onboarding and offboarding experiences for our employees.In this role, your responsibilities will include:Delivering professional IT support to employees both in Kyiv and remotely.Monitoring and addressing IT Helpdesk requests in accordance with established SLAs.Managing the IT equipment inventory efficiently.Coordinating onboarding and offboarding procedures, including those for remote employees.Overseeing and maintaining audiovisual equipment for onsite events and meeting rooms.Performing endpoint installations, upgrades, and troubleshooting across Windows, MacOS, and Linux operating systems.This position is primarily office-based, with the potential for a hybrid work arrangement (4+1).

About Ajax Systems Ajax Systems designs and manufactures security solutions used by over 4.5 million people and 330,000 professionals in more than 180 countries. The company offers a portfolio of 280 devices for intrusion detection, video surveillance, fire safety, and automation, protecting homes and businesses of all sizes. Ajax Systems is based in Kyiv and continues to grow rapidly each year. Quality Assurance at Ajax Reliability and stability are essential for security systems. The QA Department at Ajax Systems is involved in every stage of product development, manufacturing, and ongoing improvement. QA engineers here do more than routine testing. They investigate issues across hardware, software, and system integrations. Testing often involves simulating real-world extremes: movement by people and animals, harsh weather, temperature swings, and even controlled fire or flooding events. Role Overview: Middle Manual QA Engineer This position is part of the Automation Department in Kyiv. The team is looking for someone with strong manual QA skills to help ensure the quality and reliability of Ajax Systems’ expanding product line.

We are seeking a skilled Middle Manual QA Engineer to join our dynamic team. In this role, you will play a critical part in ensuring the quality and functionality of our web applications. Your expertise in manual testing will help us deliver exceptional products to our users.

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.

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 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.