Senior Java Developer at Miratech | Lviv

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 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.

Sigma Software is looking for a Middle/Senior Test Engineer in Lviv. This position centers on software quality assurance, working alongside skilled colleagues to deliver reliable solutions. Role overview The Test Engineer will help verify software products meet high standards before release. Expect to collaborate with other professionals, share insights, and contribute to projects that make a difference. What you will do Test software solutions to ensure quality and reliability Work closely with developers and other team members Apply current testing methodologies and tools Requirements Experience in software testing (middle or senior level) Strong teamwork and communication skills Interest in learning and applying new technologies

Sigma Software is hiring a Middle/Senior Test Engineer in Lviv. This role centers on maintaining high standards for software quality and performance across a range of projects. What you will do Test software solutions to verify functionality and reliability Work closely with development teams to identify and resolve issues Contribute to quality assurance processes for ongoing and new projects Who we are looking for Experience in software testing or quality assurance Interest in improving software quality and performance Motivation to work on innovative projects with a collaborative team This position is based in Lviv and offers the chance to influence the quality of Sigma Software's products.

Join our dynamic team at Sigma Software as a Senior Data Analyst. In this pivotal role, you will leverage data analytics to drive strategic decision-making and enhance business performance. If you are passionate about turning complex data into actionable insights, we want to hear from you!

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

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 Simulmedia as a Senior Full Stack Engineer and play a vital role in enhancing our engineering team as we expand our platform and introduce cutting-edge insights and analytics features within our innovative products. Our technical roadmap emphasizes platform unification, presenting the exciting opportunity to modernize our existing enterprise product into a cohesive, state-of-the-art technology stack. This role, featuring a focused 30/70 backend-to-frontend allocation, requires close collaboration with product managers, designers, and data engineers to ensure the seamless incorporation of analytics functionalities into our platform. Your ability to quickly iterate and deliver high-quality features that you own from start to finish will be essential. Location: Candidates must be based in Ukraine. Our offices are located in Kyiv and Lviv, and our teams primarily work remotely, with occasional in-person meetings.

Join Speechify as a Software Engineer focused on Data Infrastructure & Acquisition! We are looking for a talented individual to help us enhance our data capabilities and improve our acquisition processes. You will work with a dynamic team, leveraging cutting-edge technologies to drive innovation and efficiency in our data systems.

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);

Role Overview Sigma Software Group is looking for a Middle Data Analyst in Lviv. This role focuses on turning complex datasets into clear, actionable insights that support business goals. The analyst will work closely with teams across the company to help guide decisions based on data. What You Will Do Analyze large and varied datasets to identify trends and patterns Create reports that communicate findings to stakeholders Offer strategic recommendations to improve business performance Collaborate with colleagues from different departments to support data-driven decisions

Join our dynamic team at Miratech as a Senior Java Developer. In this role, you will be instrumental in designing, developing, and implementing high-quality software solutions using Java technologies. Your expertise will guide our engineering efforts and contribute to the success of numerous projects.

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 SKELAR, a pioneering Ukrainian venture builder that is shaping the future of tech businesses on a global scale. We collaborate with co-founders to assemble formidable teams that excel in international markets.Currently, SKELAR operates multiple businesses across various sectors, from EdTech to marketplaces. Our companies consistently rank among Ukraine's top startups and product firms, frequently appearing in prestigious publications like TechCrunch and Wired.With a robust team of over 1,000 professionals, we pride ourselves on our exceptional expertise and ambitious goals. Our talent is our most valuable asset, and we strive to build our businesses alongside the best in the industry.We are excited to invite applications for the role of Senior Product Engineer (AI-Native Full-Stack) within our R&D Department.At Brighterly, we are redefining online education for children by creating an ecosystem that serves as the ultimate destination for learning mathematics. Our mission is to develop the next EdTech unicorn in a market valued at $130 billion.Technology stack: https://skelar-tech.github.io/Brighterly/Key challenges include:Rapid Prototyping: Build functional MVPs (Web & Mobile) from scratch within short sprints.AI Integration: Implement LLM, agent architectures, and RAG systems into our products.Fullstack Delivery: Independently develop features from database schema to final animations on the frontend.Cross-platform Experimentation: Create mobile applications using AI tools on Flutter/React Native to validate market hypotheses.Architecture for Speed: Design flexible architecture that allows for rapid shifts in development direction without pain points.What we value:Senior Level Mindset: You understand how scalable systems are built, even those generated by AI.AI-Fluency: Familiarity with tools like Claude, Cursor, Windsurf, and v0.dev is essential.

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.

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.

Renesas Electronics Corporation offers a Software Engineer Internship in Lviv, designed for those interested in gaining hands-on experience in the technology sector. Interns work directly with experienced engineers and contribute to ongoing software projects that support the team's goals. Role overview This internship focuses on practical involvement in software development. Interns participate in meaningful tasks that have a direct impact on the business, gaining exposure to real-world engineering challenges. What you will do Work on active software projects with guidance from skilled engineers Engage in various stages of the software development lifecycle, such as design, coding, and testing Gain familiarity with industry-standard practices and tools through daily work Who should apply This internship suits those eager to develop as software engineers and contribute to real products. Curiosity, a willingness to learn, and a collaborative mindset are important for success in this role.

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.

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 protection, video surveillance, fire safety, comfort, and automation. Both our team and user community continue to grow each year. Role Overview: Back-end QA Engineer (Lviv) Security systems demand reliability and stability. At Ajax Systems, the QA Department takes an active role in every phase of product development, from the earliest design through production and ongoing support. QA Engineers here do far more than standard testing. They investigate and uncover bugs across hardware, software, and system interactions. The team puts new devices through rigorous trials, including simulations of human and animal movement, extreme weather conditions, and controlled fire or flooding scenarios.