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About You:Minimum 2 years of experience as a DevOps Engineer, Linux System Administrator, or SRE in a production Linux environment. Strong understanding of networking principles and the OSI model, with experience in diagnosing and resolving network incidents. Experience with containerization and virtualization using Docker, LXC, KVM/QEMU. Familiarity with databases such as MySQL, Percona, PostgreSQL, and MongoDB, including performance tuning and high-availability practices. Experience with cloud platforms: AWS, GCP, Azure. Knowledge of Nginx, PHP-FPM, RabbitMQ, Redis, ElasticSearch/Logstash/Kibana. Proficient in administering Linux distributions (Debian/Centos/Ubuntu). Solid knowledge of Unix-like systems, including kernel subsystems, system calls, IPC, process/resource management, filesystems, networks, protocols, and sockets. Familiarity with local monitoring and diagnostic tools: tcpdump, ss/netstat, mtr, vmstat, iostat, top, sar, free, pmap, ps, lsof, strace, and iproute2 utilities.
About the job
Join the Brainstack Team!
We are a Ukrainian multi-product IT company with a dynamic environment where you can continually scale your skills. If you thrive on challenging tasks and seek opportunities to turn ideas into successful IT products, we want you on our team!
At Brainstack, you will engage with a variety of mobile and web applications and services that cater to millions across various niches including Health & Wellness, Mental Health, Astrology, AI, Utilities, and Parental Control. We are also developing our own R&D center.
We are currently seeking a DevOps Engineer to join our Infrastructure Team.
Your Role:
Support the infrastructure across 7 business units.
Engage in dynamic development without limitations on technology use.
Implement innovative solutions and work across diverse areas.
About Brainstack
Brainstack is a forward-thinking Ukrainian IT company specializing in a diverse range of products. Our portfolio includes applications and services that reach a vast audience, with a focus on innovative solutions across multiple sectors.
Hello, we are Brainstack, a dynamic multi-product IT company based in Ukraine.If you are seeking a space filled with opportunities for constant growth and enjoy tackling challenging tasks, you will fit right in. Here, you will encounter challenges that will help you realize your ambitions, build profitable businesses without illusions, and transform ideas in…
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Hello! We are Brainstack, a Ukrainian multi-product IT company.If you're looking for a space filled with opportunities for continuous growth and relish star-rated challenges, then you're in the right place. Here, you'll encounter challenges that will help you fulfill your ambitions, create profitable businesses without illusions, and transform ideas into successful IT products. Our team will always support you and will not leave you alone with your challenges.Our portfolio includes mobile and web applications and services with a million-strong audience across various niches: Health & Wellness, Mental Health, Astrology, AI, Utilities, Parental Control. We are also developing our own R&D center.We are searching for a User Acquisition Manager focused on Meta to effectively promote our mobile product in the Wellness niche.Opportunities Awaiting You:→ Join a strong team of 5 User Acquisition Managers (junior to senior levels) and an in-house creative team of over 15 professionals;→ Collaborate with a marketing team proficient in producing creatives (both motion and static) and a rapid testing cycle;→ Develop multi-channel marketing strategies;→ Test new approaches and enhance existing processes.About You:1-3 years of experience in a User Acquisition Manager role;Strong understanding of marketing metrics such as CPM, CTR, CPC, CR, CPA, ROAS, ROI, LTV, CAC, Churn, Retention and their relations to company financial outcomes;Experience with Meta advertising platforms (or TikTok Ads, Snapchat, etc.) and understanding their specifics;Ability to understand the role of creatives in performance, formulate hypotheses, and generate ideas;Proficient in analytics tools (Tableau, GA4, Looker Studio).Your Responsibilities:Develop and implement UA strategies for web platforms on Meta, Snapchat, TikTok, etc.;Plan, launch, daily optimize, and scale campaigns under clear KPIs (CAC/CPA, ROAS/ROMI);Analyze and test: conduct A/B tests at various stages of the sales funnel, from clicks to conversions, analyze creative performance, and adjust campaigns to improve results;Collaborate with the creative team: work together to create and adapt creatives for various formats and audiences;Conduct competitive research and identify growth opportunities: new audiences, placements, bundles, and creative approaches.
Role overview Skelar is hiring a Head of Engineering in Kyiv. This leader will guide the engineering team, set technical direction, and ensure projects meet high standards. The role includes overseeing development work and encouraging new ideas across the group.
Join Ajax Systems, a leading international technology company based in Lviv, specializing in the development and production of advanced security systems and smart home solutions. Our innovative ecosystem comprises over 180 devices and a robust suite of mobile and desktop applications, complemented by a powerful server infrastructure. With a rapidly expanding team of over 4,100 professionals, we safeguard more than 4 million users across 187 countries worldwide.About Our System Department: We transform devices into intelligent IoT solutions, developing the Malevich OS (a modular RTOS for diverse hardware platforms) and the Ajax Cloud service (Java 20 / Kotlin, AWS, Akka, NATS, Kafka, Mongo, MySQL). Our team is dedicated to creating applications for user management, maintenance, and system monitoring for installers and security engineers across platforms such as iOS (Objective-C, Swift), Android (Java, Kotlin), and Windows/macOS (Python / C++, QT, QML).In an era where security is paramount for homeowners and businesses alike, we are at the forefront of providing robust security infrastructures. Our comprehensive video surveillance systems offer unparalleled monitoring, recording, and analysis capabilities for your premises. As technology has evolved, so have our solutions—from traditional CCTV to modern IP cameras, delivering high-definition video, remote access, and intelligent analytics.Currently, we seek an intelligent and experienced Linux C++ Developer to join our dynamic team.
Ajax Systems is a leading international technology company and the largest manufacturer of security systems in Europe. With over 4.5 million end users and 330,000 PRO users across more than 180 countries, Ajax products are trusted for their comprehensive solutions designed to protect residential and commercial properties of all sizes. Our product portfolio includes 280 devices focused on intrusion detection, video surveillance, fire safety, comfort, and automation. We showcase remarkable growth each year, both in our team size and our global user base.At Ajax Systems, we operate a full-cycle manufacturing process: from idea generation and prototype development to mass production and worldwide sales. Each department fulfills specific operational needs of the business seamlessly. Our professionals are involved at all stages: from the production line in Ukraine to the logistics center in Poland, from where our products are dispatched to distributors worldwide.We are looking for a skilled Data Analyst (Middle) to join our marketing team, who will assist in working with data, uncovering insights, and supporting business decision-making processes.
Join Wisey as a Middle User Acquisition Manager!Are you ready to elevate your career from Middle to Senior User Acquisition Manager within a year? At Wisey, we believe in fostering talent and providing opportunities for rapid growth! If you feel that you have outgrown your current role and are seeking an environment where you can significantly impact results while managing large-scale budgets, this opportunity is for you. We are looking for a proactive Middle User Acquisition Manager who is eager to take on greater responsibilities, own a 7-figure marketing budget on global markets, devise launch strategies, and scale our products internationally.In this role, you'll have the chance to work directly with social channels such as Meta and TikTok, rapidly build your expertise in performance marketing, and expand your influence within the company, paving the way to becoming a Senior User Acquisition Manager in just one year.
Join our innovative Ukrainian IT company, supportyourapp, as a hands-on SEO & Content Growth Specialist. We focus on developing cutting-edge desktop applications for macOS and iOS. In this role, you will spearhead user acquisition through high-intent SEO and product-focused content. Leverage AI-driven tools to efficiently create, test, and optimize content that not only enhances downloads but also boosts revenue.Are you ready to make an impact? Let’s explore what this role entails Your Responsibilities:Develop high-intent SEO and product content to drive downloads and user engagement;Utilize AI technologies to streamline content creation and test innovative ideas;Manage the complete content lifecycle from topic selection to publishing and optimization;Enhance existing pages and articles to maximize conversion rates;Uncover new search opportunities by understanding user challenges;Monitor performance through clear metrics such as traffic, downloads, trial starts, and revenue.What You Will Need to Excel:At least 2 years of experience in marketing, preferably within product or startup environments;Proficient hands-on experience with AI tools for writing, research, and automation;English proficiency at a B2 (Upper-Intermediate) level or above;Demonstrated ability to publish regular content including articles, landing pages, and tutorials;Strong understanding of SEO principles and search intent;Comfortable working with data and performance metrics;Self-motivated with a strong ownership mentality.Nice to Have:Experience in creating YouTube or tutorial-based content;Basic technical knowledge of software or SaaS products;Experience in optimizing landing pages or onboarding flows.Benefits and Perks:Work during business hours with flexible arrangements;Fully remote collaboration;A supportive and innovative company culture;Compensation in USD;Effective management with minimal bureaucracy.*The benefits listed may vary based on your engagement terms. Specifics regarding compensation, benefits, and work conditions will be detailed in your agreement if selected.If you are a data-driven growth enthusiast who thrives on producing impactful content, turning user challenges into effective solutions, and driving real product growth, we want to hear from you! Send your CV in English and showcase your exceptional skills!We are committed to treating all candidates equally and prohibit discrimination based on any legally protected grounds.
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Join our dynamic team as a Staff Application Engineer where you will have the opportunity to leverage your technical expertise in a collaborative environment. Contribute to the development and enhancement of innovative applications that drive the success of our advanced semiconductor solutions. Your role will be pivotal in providing technical support and guidance to clients, ensuring a seamless integration of our products into their systems.
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