Mid-Level Big Data Engineer

Role overview N-iX is seeking a Mid-Level Big Data Engineer located in Ukraine. This role centers on building and maintaining data pipelines, Ontology Objects, and Foundry Functions within the Palantir Foundry platform. Collaboration with colleagues from various teams is a key part of the position, with the goal of delivering data solutions that inform decision-making throughout the company. What you will do Design, develop, and maintain advanced data pipelines Work with Ontology Objects and Foundry Functions in Palantir Foundry Collaborate with stakeholders from different teams to deliver scalable, reliable, and secure data solutions Requirements Experience working with cloud-based data engineering Understanding of modern data architectures Interest in tackling complex data challenges, particularly in regulated and data-heavy environments

Join Kyivstar as a Sales Manager for Big Data Solutions! In this role, you will be responsible for identifying and engaging potential clients, presenting innovative big data solutions, and driving sales strategies to achieve revenue targets. Your expertise will help businesses harness the power of data to make informed decisions and improve their operations.

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 Data products Create and implement strategies to increase market share Build and strengthen relationships with key clients Supervise the delivery and implementation of Big Data solutions Promote customer engagement and help expand Kyivstar’s presence in the market Requirements Background in leading sales teams within technology or business solutions Solid understanding of Big Data technologies and their use in business Track record of building and maintaining client relationships Strategic mindset and focus on achieving results

About Guru Apps and Universe Group Guru Apps, part of Universe Group, builds a suite of mobile applications for iOS. Our portfolio includes Scan Guru, Translator Guru, Cleaner Guru, Assist Guru, and Visify. With over 90 million downloads across 180 countries and a 4.6 average App Store rating, our products reach users worldwide. Cleaner Guru is a top performer in its category. Curious about our rapid approach to launching and scaling apps? Watch our video about Guru Apps for a behind-the-scenes look. Role Overview: Mid-Level Full-Stack Engineer (R&D) This role centers on hands-on product experimentation within our R&D team. Engineers here work closely with product managers, designers, and fellow developers. Expect to contribute to the entire product lifecycle, from idea to launch, with direct communication and minimal management overhead. Key Responsibilities Build and improve internal products, both new and existing. Develop MVPs quickly (from zero to launch), always keeping business goals in mind. Work across the stack using React, Node.js/NestJS, and TypeScript. Apply AI tools and techniques in both development and the products themselves. Our Tech Stack Backend: NestJS, Node.js, Go Frontend: React.js, TanStack, Tailwind Infrastructure: AWS, Postgres, Redis, GitHub Actions Languages: TypeScript, Go Location This position is based in Kyiv.

Role Overview Miratech is looking for a Senior Data Engineer in Kyiv. This role focuses on designing, building, and maintaining scalable data architectures that support business growth. The position involves working closely with teams across the company to deliver reliable data solutions. What You Will Do Design and develop data architectures that can scale with business needs Build and maintain data processing pipelines Work with cross-functional teams to deliver data solutions that support business insights Optimize data workflows for performance and reliability Ensure data integrity throughout all processes

Join Sigma Software Group as a Data Engineer specializing in the interior design sector. In this role, you will leverage your expertise in data management and engineering to develop solutions that enhance data utilization within the design industry. Collaborate with a dynamic team to deliver innovative data-driven insights that will shape our projects and drive business decisions.

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.

Join our dynamic team as a Senior Data Engineer in the AdTech unit, where you will drive innovation and enhance data-driven decision-making processes. You will work collaboratively with cross-functional teams to develop robust data pipelines and optimize data architectures.

Ruut is a digital coaching platform focused on helping athletes and runners make smarter daily decisions about training and recovery. By using metrics like HRV, Ruut aims to improve performance stability and reduce injury risk through clear actions and personalized running plans. This Mid-Level iOS Mobile Engineer role centers on shaping both the product and the broader engineering culture. The team values engineers who want to influence features, architecture, and the pace of business development, not just write code. Ruut operates in Kyiv and Warsaw, with a team that welcomes responsibility and thrives on building meaningful solutions together. Role overview Take ownership of iOS development for Ruut’s core product, contributing to both features and foundational engineering practices. Influence technical decisions, optimize processes, and help the team deliver faster. Work closely with product managers, designers, and fellow engineers, with significant autonomy in your area. What you will do Develop, improve, and support new features in the iOS app. Contribute to the main product and explore new directions for the platform. Build and enhance mobile infrastructure, including CI/CD, testing, and release processes. Implement observability tools for logging, crash tracking, and metrics. Integrate AI tools and automation into development and delivery workflows (using tools such as Cursor, Codex, or Claude). Collaborate with product and design, while making independent technical decisions. Shorten time-to-market through faster releases, A/B testing, and rapid iteration. Requirements Experience in mobile development, especially on iOS. Background working with product teams or startups. Desire for impact, ownership, and the chance to work with modern approaches, including AI. Comfort with responsibility and building alongside a talented team.

Join Atto Trading, a leading quantitative trading firm established in 2010, renowned for our innovative high-frequency trading strategies. As we continue to grow our international team, we are eager to welcome a skilled Data Engineer who will be instrumental in the development of our extensive Data Lake, catering to an increasing array of research and production datasets. Our collaborative culture fosters learning and innovation, empowering our team to tackle complex challenges and drive profitability through rapid market responsiveness.Key Responsibilities:Design and manage high-performance, scalable on-premise data storage systems optimized for extensive data access and analytics tasks.Configure and oversee compute clusters for distributed data processing.Develop capacity and scalability plans to support annual data growth exceeding 100TB.Create efficient monitoring and alerting systems to anticipate growth trends and manage critical situations proactively.Build, automate, and maintain various data pipelines to ensure smooth data flow.Enhance existing and establish new data checks to ensure data integrity.Implement a comprehensive on-premise Data Lake connected to VAST storage for normalized market data across multiple sources including:US Equities, US Futures, and SIP feedsAdditional market data sources as they become availableSecurity Definition data for various marketsPrivate column dataDevelop and manage end-to-end data pipelines with monitoring to ensure data quality and governance.Analyze existing data models and usage patterns to identify bottlenecks and optimization possibilities.Create metadata and catalog layers for efficient data discovery.Design event-driven architectures for near real-time market data processing.Oversee ETL/ELT data pipelines using tools like Prefect or Airflow, ensuring robustness and clear operational ownership.Guarantee fault tolerance, scalability, and availability across our systems.Collaborate with traders, quantitative researchers, and other stakeholders to enhance the usability and performance of the Data Lake.

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.

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.

Welcome to Liven! We are crafting a global ecosystem of self-regulation products that empower individuals to disengage from emotional autopilot and cultivate better relationships with themselves.Within our ecosystem, we offer:Self-discovery Companion — an app chosen by over 2.5 million users. It provides a space for self-exploration through AI coaching, mood tracking, audio practices, and bite-sized learning.Online Coaching — sessions with certified experts to navigate complex situations.Supplements — for physical recovery and body support.We are on a continuous expedition with ambitious plans to expand our ecosystem.Liven is a company for the curious. We are driven by curiosity — an intrinsic need to ask questions, dig deeper, and not shy away from the unknown challenges.Our passion lies in creating products and solutions that genuinely help. Our curiosity and experimental culture exist to discover better ways to support and guide individuals on their self-discovery journeys.Currently, we are seeking a Data Engineer / Analytics Engineer at Liven.In this role, you will be responsible for establishing the company’s robust data foundation, designing storage architecture, and providing analytical teams with quality, ready-to-use data.Challenges Awaiting You:— Ensuring the continuous provisioning of necessary data to analytical teams across various business domains (marketing, product, operations) through stable integrations (using Airbyte and custom solutions);— Organizing long-term DWH architecture (data layer development, modeling, ensuring data integrity);— Developing and optimizing our ELT processes and data transformations within BigQuery using Dataform, as well as implementing reliable process orchestration (with plans to transition to Airflow/Astronomer);What We Value:— Excellent SQL knowledge and a deep understanding of modern analytical warehouse construction concepts;— Practical experience with cloud data ecosystems (ideally GCP, BigQuery) and data transformation tools (Dataform/dbt);

Join NielsenIQ as a Data Entry Specialist, where you will play a vital role in ensuring data accuracy and integrity. In this position, you will be responsible for inputting and managing data with precision while adhering to strict deadlines. Your attention to detail and organizational skills will contribute to our commitment to delivering high-quality analytics to our clients.

Magic Media is a dynamic and innovative media, entertainment, and technology group that thrives on creativity. With a presence in 15 countries, we specialize in art, animation, cybersecurity, game development, software development, VFX, and video production, collaborating with leading developers and publishers in the gaming and tech industries to provide tailored support and solutions.We are on the lookout for a talented Mid-Level Cleanup Animator to join our creative team. The ideal candidate will possess a passion for animation and a diverse skill set, working across various styles. Your experience in cinematics, gaming, and video production pipelines will enable you to collaborate effectively with designers, concept artists, technical artists, and other animators to craft engaging and immersive experiences.Key Responsibilities:Collaborate with the Lead Animator and internal team to refine motion capture data to a high standard.Transform rough animations into polished, production-ready pieces while maintaining the actor’s intent and performance nuances.Ensure all shots adhere to studio quality standards and meet production timelines.Follow established workflows, naming conventions, and file management protocols closely.Maintain consistency in animation quality throughout all phases of the project.Coordinate with producers and supervisors to align with project objectives.

Miratech is looking for a Mid-Level Java Developer to join the team in Kyiv. This position involves working closely with colleagues from different departments to build and support software applications. Role overview This role centers on designing, developing, and maintaining software using Java. The focus is on producing reliable, high-quality code that meets project requirements. Collaboration Expect regular interaction with cross-functional teams. Sharing ideas and problem-solving together are key parts of the workday. What you will do Design and implement Java-based applications Work with others to deliver software solutions Maintain and improve existing codebases

Join our innovative team at Sigma Software Group as a Data Engineer! In this dynamic role, you will leverage your expertise in data architecture and engineering to design and implement robust data solutions that drive informed decision-making across various projects.As a Data Engineer, you will collaborate with cross-functional teams to understand data requirements, develop data pipelines, and ensure data integrity and accessibility. Your work will empower stakeholders to derive valuable insights and contribute to the overall success of our projects.

Join Ajax Systems, a leading international technology company and the largest manufacturer of security systems in Europe. Our products are trusted by over 4.5 million end-users and 330,000 PRO-users across more than 180 countries. Ajax offers comprehensive solutions for the protection of residential and commercial properties of all sizes, with a portfolio featuring 280 devices for intrusion prevention, video surveillance, fire safety, and automation. Each year, we experience exponential growth in our team and our global user base.At Ajax Systems, we operate a full-cycle production process: from idea generation and prototyping to mass production and global sales. Each department addresses specific operational needs of the business. Our specialists are involved at every stage, from our production line in Ukraine to our logistics center in Poland, from where products are dispatched to distributors worldwide.As a Middle Data Engineer, you will be responsible for the development, maintenance, and optimization of data processing streams and solutions under the guidance of a Senior Data Engineer (Lead). Your primary goal will be to ensure reliable, high-quality, and scalable data for analytics, machine learning, and business applications.

Join our dynamic Data Team at Wix as a DevOps Engineer, where you will play a pivotal role in optimizing our infrastructure and enhancing our data processing capabilities. You will collaborate with cross-functional teams to improve deployment automation, maintain system reliability, and ensure the scalability of our services.

Join our dynamic team at Miratech as a Senior Network Data Analyst, where you will leverage your expertise to analyze and optimize network performance. Your analytical skills will directly contribute to enhancing our engineering efforts, ensuring our data infrastructure remains robust and efficient.This role is perfect for someone passionate about data analytics and networking, looking for part-time opportunities to make significant impacts in a growing company.