Head of Business Solutions Sales for Big Data

Role overview Kyivstar seeks a Head of Business Solutions Sales for Big Data to lead its sales team in Kyiv, Ukraine. This position sets the direction for sales strategies, manages client partnerships, and oversees the rollout of solutions based on Big Data technologies. What you will do Guide and support the Business Solutions Sales team working with Big Da…

We are on the lookout for an accomplished and innovative Lead Backend Engineer (AI-Driven Lifecycle Expert) to join our dynamic team.In this pivotal role, you will lead a newly established high-performance engineering team comprising 6-8 skilled professionals, including Senior Frontend and Backend Engineers. As a reliable leader, you will be accountable for the success of projects and the professional growth of your team members. Your role extends beyond conventional leadership; you will advocate for the adoption of AI-Driven Lifecycle (AIDLC) practices, ensuring that your team leverages AI tools throughout the development process to significantly enhance delivery speed.

Kiss My Apps brings together seven product verticals and over 30 AI-driven products, serving more than 100 million users worldwide. The platform offers a broad ecosystem with solutions for analytics, payments, and marketing. Flagship products like AI Remodel, Printer, Botan, and Calorie Counter lead in utilities, lifestyle, and health & fitness categories. These apps consistently rank high in the App Store and support communities numbering in the hundreds of millions. With a growth rate of at least 3x year over year, Kiss My Apps is expanding and looking for a Senior/Lead Data Analyst to help elevate and scale analytics for the wellbeing product, Chillio. About the Role The Chillio team seeks a Senior/Lead Data Analyst to take charge of building and scaling analytics from the ground up. This person will shape the data foundation, develop analytical pipelines, and turn data into actionable insights that inform growth, marketing, and product choices. Chillio is a wellbeing platform focused on healthy habits, self-care, emotional awareness, and goal achievement, designed to be engaging and enjoyable. The product spans web (PWA), iOS, and Android, requiring close teamwork to ensure features and data stay in sync across platforms. What You Will Do Oversee the full cycle of marketing analytics, from raw data collection to supporting business decisions. Build and scale data flows for marketing across all paid channels. Create marketing dashboards that detail ad materials and traffic sources, tracking and optimizing LTV, CAC, ROAS, and sales funnel conversions. Design and automate models for LTV, cohort analysis, and revenue attribution across channels. Work closely with the marketing team to optimize budget allocation, scaling strategies, and channel performance. Support and assess marketing experiments, including creatives, funnels, audiences, and A/B tests. Maintain accurate attribution and ensure data consistency across all marketing and product touchpoints. Location This position is based in Ukraine.

Ajax Systems is a leading international technology firm and the largest manufacturer of security systems in Europe. With over 4.5 million end-users and 330,000 professional users across more than 180 countries, our Ajax products provide comprehensive solutions for safeguarding residential and commercial properties of all sizes.Our portfolio includes 280 devices designed for intrusion protection, video surveillance, fire safety, and automation solutions. Each year, we showcase significant growth in both our team size and user base worldwide.Ajax Systems operates a complete production cycle, from ideation and prototyping to mass manufacturing and global sales. Each department plays a critical role in meeting the operational needs of our business. Our professionals are engaged at every stage, from the production line in Ukraine to the logistics center in Poland, from where our products are shipped to distributors around the globe.As the Senior Data Engineer Team Lead, you will be responsible for the strategic design, development, and management of complex data processing solutions within an enterprise environment. Your primary goal will be to ensure reliable, secure, and scalable data for analytics, machine learning, and business applications.

About the Role Miratech is hiring a Senior Data Engineer in Odesa. This position focuses on designing, building, and maintaining scalable data architectures that support business insights and operational efficiency. What You Will Do Design and develop data solutions to address business needs Build and maintain scalable data architectures Support data-driven decision-making across the organization Who We’re Looking For Someone who enjoys solving complex data challenges and working with modern data technologies. Experience in environments where priorities shift quickly is helpful.

Role overview Sigma Software Group is hiring a Senior Business Analyst in Kyiv to focus on AI-driven solutions. This role connects business priorities with technology, supporting projects that apply artificial intelligence to address client needs. What you will do Collaborate with cross-functional teams to gather and document business requirements for AI projects Translate complex business objectives into clear, actionable insights for technical teams Contribute to the direction and impact of AI initiatives, with the goal of improving efficiency and client results

Join our dynamic team as a Senior AI Engineer at Castaigroup Inc. in the Harness Engineering division. We are looking for an innovative and skilled engineer to drive the development of cutting-edge AI solutions. You will play a crucial role in designing, implementing, and optimizing AI algorithms and systems that impact our wide range of clients across Europe.

Location: Fully RemoteStart Date: As Soon As PossibleLanguages Required: EnglishAbout the RoleJoin pragmatike as a Lead Full Stack Engineer for a dynamic and rapidly expanding AI and trading startup. We are creating an innovative orchestration protocol that seamlessly integrates various trading dimensions into a single, AI-driven platform, empowering users to trade effortlessly across both crypto and traditional financial markets.Our groundbreaking technology leverages autonomous AI agents that operate around the clock, eliminating emotional biases and enhancing trade execution efficiency. Having successfully managed over $500,000 in assets during our beta phase, we are poised for significant growth as we scale our platform to support a multitude of agents across diverse trading environments.We seek a Senior Full Stack Engineer (React / Node / Next.js) to enhance and expand our product experience and core application as we transition from initial traction to institutional-scale operations.Your ResponsibilitiesDesign and implement scalable, production-ready web applications utilizing React and Next.js.Develop reliable backend services and APIs through Node.js.Architect comprehensive features spanning frontend, backend, and database layers.Create real-time dashboards for monitoring trading performance, agent activity, and analytics.Establish secure authentication, authorization, and role-based access management systems.Enhance frontend performance, user experience, and state management.Collaborate closely with AI, backend, and infrastructure teams to integrate trading agents and execution systems.Maintain code quality through rigorous testing, CI/CD practices, and adherence to engineering best practices.Contribute to architectural strategy and long-term product scalability initiatives.Influence product direction in a fast-paced, high-ownership environment.QualificationsA minimum of 5 years of experience in Full Stack Engineering.Proficient in React and Next.js (SSR, routing, performance optimization).Strong backend development skills with Node.js.Experience designing and consuming REST or WebSocket APIs.

We are seeking a talented Mid-Level Data Engineer to become a key part of our dynamic team. Our client is among the largest food and beverage companies globally, with a presence in 189 countries and over 2,000 brands. Their extensive portfolio encompasses a wide range of products, including bottled water, dairy items, breakfast cereals, coffee, confectionery, frozen foods, pet foods, snacks, and baby food. The ideal candidate will be responsible for designing, implementing, and maintaining robust data systems that facilitate analytics, reporting, and machine learning initiatives. This position demands a strong sense of ownership, proficient SQL capabilities, and experience managing large datasets in production settings.

Join Laba Group, a prominent international EdTech leader in Eastern Europe dedicated to transforming lives through impactful and systematic learning. With a robust team of over 800 professionals, we have successfully launched more than 1,400 courses, educating over 200,000 students worldwide.Our diverse online education brands include:Laba – an online business schoolSkvot – a hub for popular culture educationrobot_dreams – a platform for IT growthVocabulaba – an English school for professionalselvtr – an online school in the US and the UKWe are on the lookout for a Middle Data Engineer to join our dynamic team. In this role, you will design, develop, and maintain scalable data infrastructure, enabling our analytics, reporting, and business decision-making processes. Your primary focus will be on building robust data pipelines, integrating various data sources, ensuring high data quality, and delivering actionable data solutions that align with our strategic goals.

Role overview nix is hiring a Senior AI Engineer based in Europe or Ukraine. This role focuses on building and improving AI-driven products. The Senior AI Engineer works closely with colleagues from different disciplines to design, develop, and implement advanced AI models. The position plays a key part in shaping technical solutions that support and expand nix’s product lineup.

Flosum builds a Salesforce-native DevOps and data protection platform for enterprise Salesforce teams, including many in the Fortune 5000. In a market where pipeline growth, customer retention, and product speed matter more than ever, Flosum is hiring its first AI Go-to-Market Engineer. This remote role (based in Ukraine) will shape, launch, and refine AI systems and automation across every stage of the revenue process, from first outreach to closing deals and growing accounts. Role Overview This position goes well beyond prompt engineering. The focus is on building and maintaining real AI systems that drive measurable business results. The AI Go-to-Market Engineer will work closely with revenue operations, sales, marketing, and customer success teams. The goal: multiply the productivity of Flosum’s Go-to-Market organization by deploying AI that accelerates deal flow, increases revenue, and reduces churn. This role reports directly to the CEO. What You Will Do Deploy and train at least one AI Sales Development Representative (SDR) agent within the first month. This agent may focus on inbound qualification (using platforms like Qualified or Marketo) or outbound prospecting (through Outreach). Continue to improve its performance until it outpaces the lowest-performing human BDRs. Build an AI-powered inbound qualification system that captures, scores, and routes every website visitor and form submission in real time. Ensure no lead goes unaddressed and Account Executives (AEs) only engage with prospects who are ready to buy. Double the revenue-generating time of each AE (from about 25% to over 50%) by automating tasks such as CRM updates, call summaries (via Gong), follow-up sequences, proposal drafts, and pipeline management. Remove as much administrative overhead as possible. Design and implement an AI integration layer across Flosum’s Go-to-Market stack (Salesforce, Marketo, Outreach, Qualified, Gong). Ensure seamless data flow between systems, eliminate manual data entry, and enable AI agents to share insights in a continuous feedback loop with Salesforce as the central hub. Set up and manage an AI-driven competitive intelligence system. Track competitor moves, pricing changes, and product launches, delivering structured weekly insights to sales and product teams. Scale outbound campaigns to ten times their current size without increasing headcount. Use AI to analyze accounts, generate personalized messaging based on ICP signals (like Salesforce team size, DevOps tools in use, and compliance needs), and orchestrate outreach across email, LinkedIn, and phone. Implement a closed-loop data feedback system that connects BDR activities, pipeline outcomes, and AI agent performance. Use real conversion data to improve ICP targeting, messaging, and channel strategy every week. Deploy AI-driven customer health scoring and churn prediction models. Identify at-risk accounts ahead of renewals and provide actionable prompts to the Customer Success team based on usage data. Location This is a remote position based in Ukraine.

Location: Fully remote (EMEA timezone)Start date: ASAPLanguages: Fluent English requiredIndustry: Cloud Computing / AI / European Deep-Tech SaaSAbout the RoleJoin Pragmatike, a forward-thinking European deep-tech company dedicated to creating a decentralized, energy-efficient alternative to traditional cloud providers. Their innovative platform leverages distributed bare-metal infrastructure and advanced automation, offering sovereign, high-performance computing solutions tailored for modern workloads.We are on the lookout for a Lead Backend Engineer (with a Staff-level mindset) who possesses deep expertise in Go and production-grade peer-to-peer (P2P) systems. This highly technical position will focus on distributed systems, system-level programming, and performance-critical backend services.In this role, you will significantly contribute to designing and evolving the backend architecture of a decentralized cloud platform, collaborating closely with infrastructure, product, and DevOps teams. A strong sense of autonomy, ownership, and architectural judgment will be essential for success.

Role Overview Ruby Labs is hiring an AI Engineer in Ukraine. This role focuses on building and deploying AI solutions that support business goals. The AI Engineer works closely with a collaborative team to design, develop, and implement new artificial intelligence projects.

N-iX is on the lookout for a motivated and skilled Middle/Senior Big Data Engineer to become a vital part of our dynamic team. In this role, you will be instrumental in the design, development, and maintenance of advanced data pipelines, Ontology Objects, and Foundry Functions within Palantir Foundry. We seek candidates with a strong foundation in cloud technologies, data architecture, and a genuine enthusiasm for tackling complex data challenges. Key Responsibilities: Work collaboratively with cross-functional teams to gather data requirements, design, implement, and manage scalable data pipelines in Palantir Foundry, ensuring data integrity and optimizing workflows. Translate data requirements into robust solutions by drawing on your expertise in cloud-based data engineering. Create data models, schemas, and flow diagrams to facilitate development. Develop, implement, and maintain efficient and reliable data pipelines and ETL/ELT processes for data collection, processing, and integration, ensuring timely and accurate data delivery to business applications while adhering to data governance and security best practices. Monitor data pipeline performance, identify bottlenecks, and implement enhancements to optimize data processing speed and minimize latency. Troubleshoot and solve issues related to data pipelines, ensuring continuous data availability and reliability to support data-driven decision-making. Stay updated with emerging technologies and industry trends, integrating innovative solutions into data engineering practices, and effectively documenting and communicating technical solutions and processes. Tools and Skills You Will Use: Palantir Foundry Python PySpark SQL TypeScript

Join our dynamic team at Sigma Software as a Senior Data Engineer, focusing on innovative solutions for the GovTech and public sector. You will play a crucial role in designing and implementing data architectures that enhance government operations and public services. This is an excellent opportunity for professionals who are passionate about using data to create impactful solutions.

Join our dynamic team at ruby-labs as a Lead Billing Data Analyst, where you will be at the forefront of transforming billing, payments, and subscription analytics. In this role, you will leverage your expertise to drive data-driven decision-making and optimize our billing processes.

Join ELEKS, a leader in software engineering and development, as a Senior Data Engineer. We are expanding our team in collaboration with the UK's largest renewable power generator, focusing on sustainable biomass and hydroelectric power solutions. PROJECT OVERVIEWAs part of our team, you will play a pivotal role in leveraging data to drive decision-making and innovation within the renewable energy sector.

Role Overview Miratech is looking for a Senior Data Engineer in Lviv. This role focuses on designing, building, and maintaining data pipelines and architectures that support the company's analytics and machine learning goals. The Senior Data Engineer will collaborate with teams across the business to keep data accurate and accessible, supporting decision-making at every level. What You Will Do Design and implement data pipelines and architectures Maintain and optimize systems for data integrity and availability Work with cross-functional teams to support organizational data needs Contribute to Miratech's data strategy and analytics capabilities

Hello! We are Liven, on a mission to create a global ecosystem of self-regulation products designed to help individuals turn off their emotional autopilot and foster better relationships with themselves.Within our ecosystem, we offer:Self-discovery Companion – an app embraced by over 2.5 million users, providing a space for self-exploration through AI coaching, mood tracking, sound practices, and bite-sized learning.Online Coaching – sessions with certified experts to tackle complex situations.Supplements – aiding physical recovery and body support.We are on a continuous expedition with ambitious plans to expand our ecosystem.Liven is a company for the inquisitive. We are driven by curiosity—the intrinsic need to ask questions, dig deeper, and not shy away from challenges.Our passion for creating products and solutions that truly help is what fuels us. Our curiosity and culture of experimentation exist to discover the best ways to support and guide people on their journey of self-discovery.We are currently seeking a Data Engineer / Analytics Engineer to join Liven.In this role, you will be responsible for building a robust data foundation for the company, designing data warehouse architecture, and ensuring the analytical teams have quality, ready-to-use data.Your challenges will include:Ensuring seamless provision of necessary data to analytical teams across various business domains (marketing, product, operations) through stable integration setups (using Airbyte and custom solutions);Organizing long-term DWH architecture (data layer development, modeling, and ensuring data integrity);Enhancing and optimizing our ELT processes and data transformations within BigQuery using Dataform, along with implementing reliable orchestration processes (with plans to transition to Airflow/Astronomer);What matters to us:Strong proficiency in SQL and deep understanding of modern data warehouse architecture concepts;Practical experience with cloud data ecosystems (preferably GCP, BigQuery) and data transformation tools (Dataform/dbt);