Senior Data Engineer at Sigma Software | Lviv

About Ajax Systems Ajax Systems stands as a major international technology company and is the largest security systems manufacturer in Europe. Over 4.5 million end users and 330,000 PRO users in more than 180 countries rely on our products. Our solutions protect homes and businesses of every scale. The current lineup includes 280 devices covering intrusion p…

Ajax Systems is a dynamic full-cycle company focused on innovation and technology development. We handle everything from the initial idea generation through R&D to mass production and sales, creating state-of-the-art physical devices that include a variety of sensors and hubs. Our dedicated team, spread across two offices in Kyiv and Lviv, makes all key technical and product decisions on-site. We have successfully launched and consistently enhance Malevich OS, which serves as the core of our Hub’s operations. We are currently seeking enthusiastic Embedded Engineers who are eager to collaborate with us in enhancing our systems. There are endless opportunities to develop new functionalities, sensors, and features, ensuring our product remains at the forefront of technology.

Join Ajax Systems as a Manual Quality Assurance Engineer! We are a leading Ukrainian company specializing in comprehensive security systems development and manufacturing. Our innovative ecosystem comprises over 280 devices, mobile and desktop applications, and robust server infrastructure. We have experienced rapid growth, expanding our team and user base globally, with over 5000 employees and 4.5 million users across more than 180 countries.In our Ajax mobile application for both iOS and Android, we empower users to easily connect and configure their security systems, as well as engage with monitoring service providers for ongoing oversight and maintenance. Our Ajax PRO platform facilitates swift installation and configuration for our business clients. As a member of our QA team, you will play a critical role in ensuring the application functions correctly and reliably under all circumstances.

We are seeking a dedicated and experienced QA Lead to oversee our Manual Testing Team in Lviv. In this role, you will lead a group of quality assurance professionals, ensuring that our software products meet the highest standards of quality before release. You will be responsible for developing and implementing testing strategies, mentoring team members, and collaborating with cross-functional teams to deliver exceptional results.

Join our dynamic team as a Senior Java Developer where you will play a key role in designing and implementing innovative software solutions. You will collaborate with cross-functional teams, ensuring high-quality code and seamless integration of systems. This position offers a unique opportunity to work on cutting-edge projects and advance your career in a supportive environment.

Join our innovative team as a Senior Embedded Engineer at ajax, where you will play a pivotal role in designing and developing cutting-edge embedded systems. You will work closely with cross-functional teams to create reliable and efficient software solutions that meet the demands of our customers.In this dynamic position, you will leverage your expertise in embedded programming, hardware integration, and system architecture to contribute to a variety of exciting projects. You will have the opportunity to mentor junior engineers and help shape the future of our technology.

Join Our TeamOpenBet is a premier global provider of betting and gaming entertainment, collaborating with over 200 partners to deliver unforgettable winning moments for millions of players globally. We are at the forefront of the industry, processing bets during major events such as the FIFA World Cup and Super Bowl. Our commitment to innovation allows us to continuously enhance player experiences through high-quality content and advanced technology.With more than 25 years of experience, our robust platform supports the most recognized betting brands, ensuring exceptional performance with 100% uptime, extensive scalability, and rapid responsiveness. With 85 licenses and a team of over 1,200 experts across 14 countries, we stand as a pillar in the gaming sector.Your MissionOpenBet Leap Gaming is on the lookout for a talented Senior QA Analyst to bolster our gaming development team.At OpenBet, you will receive comprehensive support and training to foster your career growth, underpinned by a strong culture of internal promotion for proactive and self-driven individuals.As part of Leap Gaming, a dedicated developer of premium gaming applications, this role aims to enhance our corporate business and elevate client satisfaction. Become part of an innovative team within a rapidly expanding organization that champions independence, flexibility, and personal development.Key Responsibilities:Conduct game testing aligned with specifications, scripts, and design.Perform static testing of documentation and specifications.Create and execute test cases.Work collaboratively with internal teams (developers, designers, product managers, and game producers) to clarify game requirements.Report bugs and verify bug fixes.Provide test status updates.Execute smoke, integration, and regression testing following production releases or hotfixes.Qualifications:Minimum of 4 years of professional experience in manual QA, preferably in the gambling sector.Deep understanding of software testing principles.Proficient in developing and maintaining testing documentation (test cases, bug reports, test plans).Experience in developing and analyzing test documentation and requirements clarification.Hands-on experience in RESTful API testing (Postman, Chrome DevTools, etc.).Familiarity with client-server architecture.Proficiency in JIRA, Confluence, and TestRail.Strong attention to detail with the ability to promptly identify UI/UX defects.Ability to comprehend game flow and identify functional defects.

Join our dynamic team at ajax as a Talent Sourcer for our Business Unit. In this exciting role, you will be responsible for identifying and engaging top talent to support our growth and success. You'll work closely with hiring managers to understand their needs and develop effective sourcing strategies that align with our company culture and values.

Ajax Systems is a leading international technology company and the largest developer and manufacturer of Ajax security systems in Europe, featuring smart home capabilities. Our ecosystem consists of 180 devices, mobile and desktop applications, and a robust server infrastructure. Every year, we experience exponential growth in both team size and global user base, currently employing over 4,100 professionals. Ajax sensors protect 3.5 million users across more than 187 countries worldwide.The System Department is dedicated to making devices smarter by transforming them into fully functional IoT solutions. Our team has developed and continues to enhance OS Malevich, a modular RTOS designed for various hardware platforms, alongside the Ajax Cloud service utilizing Java 20 / Kotlin, AWS, Akka, NATS, Kafka, MongoDB, and MySQL. We craft applications for iOS (Objective-C, Swift), Android (Java, Kotlin), and Windows/macOS (Python/C++, QT, QML), facilitating management, maintenance, and monitoring for users, installers, and security company engineers.The Ajax product line includes control panels with proprietary RTOS (OS Malevich), video surveillance systems, motion sensors, intrusion detectors, flood and fire sensors, outdoor and indoor sirens, panic buttons with device control functionality, and automation devices. Ajax Systems boasts numerous proprietary technologies such as the Jeweller and Wings radio protocols, the Fibra wired communication protocol, LISA algorithms, SmartDetect, HazeFlow 2, JetSparrow technology, and holds 38 patents for inventions, designs, and more.

Join Ajax Systems, a leading international technology company and Europe's foremost manufacturer of security systems. We are seeking a Senior Hardware Engineer to drive innovation in our diverse portfolio of over 280 devices, providing comprehensive solutions for residential and commercial protection. Our products are trusted by over 4.5 million end-users and 330,000 PRO users across more than 180 countries, showcasing our commitment to excellence and continuous growth. Be part of a dynamic team that is shaping the future of security technology with rapid expansion in both team size and global user base.

Join Renesa Electronics as a Part-time Software QA Engineer and contribute to the quality assurance of our cutting-edge software solutions. In this role, you will be responsible for designing and executing test cases, identifying defects, and ensuring the overall quality of our products. If you are passionate about enhancing software quality and enjoy working in a dynamic environment, we invite you to apply!

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

Mid-Level Front-End Engineer (Full-stack Oriented) About the Role Join Matic's dynamic team as a Mid-Level Front-End Engineer with a Full-stack perspective. Matic is rapidly evolving, developing innovative web products from the ground up to simplify insurance processes for homeowners across the United States. In this position, you will go beyond merely coding mockups. You will take charge of the user interface and the engineering logic that underpins it. We prioritize meticulous attention to detail, whether it's creating a reusable component library or enhancing the state management of a complex multi-step insurance application. While your primary focus will be on the Front End, we encourage you to explore the full stack, utilizing AI tools to engage with the backend and ensure seamless delivery of features from start to finish. We appreciate engineers who embrace the latest technologies to bridge gaps and expedite our development process.

Join Speechify as a Senior Software Engineer focusing on Core Experiences. In this role, you'll be instrumental in enhancing our platform, ensuring smooth and engaging user experiences. Your expertise will help shape the future of our application, making reading more accessible and enjoyable for users everywhere.

Join Sigma Software Group as a Data Engineer and be a key player in transforming data into actionable insights. You will work with cutting-edge technologies to build data pipelines and optimize data flow. This role is perfect for someone who is passionate about data architecture and analytics.

Join our dynamic team at Renesas Electronics as an Application Engineer specializing in FPGA technology. In this role, you will leverage your expertise to develop innovative solutions and support our customers in deploying cutting-edge FPGA applications. Your contributions will be pivotal in driving our technology forward and ensuring client satisfaction.

Sign-On Bonus: $2000! Ajax is a leading full-cycle company specializing in transforming innovative ideas into real-world solutions. From R&D to mass production, we create everything: manufacturing physical devices, developing firmware, and designing server and mobile applications.We are currently seeking talented engineers to join our dynamic team, focusing on the development of a cutting-edge video streaming product.

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);

SKELAR is a venture builder dedicated to creating international product IT companies following the principles of venture investment. We collaborate with co-founders to assemble strong teams that launch product-based IT businesses and succeed in global markets.We are currently seeking a Senior DevOps Engineer to join our partner company, Duomo. Duomo is a platform for personal and spiritual development grounded in Christian values. We assist individuals in finding answers to the most significant questions in life, from deepening their faith to enhancing relationships with loved ones through personalized plans. Our users gain access to lessons, interactive quizzes, and video materials that create a comprehensive learning experience.Our mission is to become a global platform where tens of millions of Christians, hundreds of organizations, and thousands of mentors and pastors can connect.Key achievements we take pride in:Users love us: an average rating of 4.7/5 on App Store, Google Play, and Trustpilot.We are rapidly growing: our team has quadrupled in size over the past year.We are a partner of Meta, which confirms the high quality of our product and trust from technology leaders.We are evolving at an incredible pace, and every team member has the opportunity to grow quickly alongside the company—both professionally and personally. The company supports learning through mentoring, internal educational initiatives, and access to external courses.Notably, we extensively integrate AI tools into all processes. We already use integrations with MCP servers in everyday tools, AI Code Review, and automation of key routine tasks. This allows us to focus on creativity and innovation instead of routine.As the first DevOps Engineer, you will have the chance not only to actively influence decisions and implement them but also to lead the infrastructure direction and build a strong engineering team.Our tech stack includes: AWS, RDS (Aurora Postgres), ElastiCache (Redis), ECS, EKS, CloudFlare, Terraform.