Junior/Middle Software Engineer (Golang) at Guru Apps | Kyiv or Warsaw

Hello!We are on the lookout for a talented Junior/Middle Software Engineer specializing in Go to join Guru Apps (part of Universe Group) – a thriving iOS ecosystem with over 100 million downloads across 186 countries (including Cleaner Guru, Scan Guru, and Visify) and an impressive average rating of 4.6 on the App Store.This is an opportunity focused on prog…

Join Universe Group, the innovators behind an ambitious AI-first web product in the visual content generation and editing space. As we transition into a phase of rapid scaling, we are on the lookout for a talented Full-Stack Developer to tackle architectural challenges and implement cutting-edge technologies into our product.Your future team includes: CEO, Full Stack Developer, Product Designer, PPC Specialist, Growth Product Manager, Product Manager, Data Analyst.Technology stack you will work with: React.js, Node.js, Nest.js, TypeScript, Redux, PostgreSQL, MongoDB, Redis, AWS, Kubernetes.Why you should join us:Collaborate closely with Ruslan — an experienced CEO with a proven track record. His previous startup, Eventmate, quadrupled its revenue within a year, secured $150K in investments (including from Google), and expanded into international markets including Europe and Brazil.Impact on business development — As a core team member, you will play an essential role in shaping the product while delving into architectural solutions and integrating the latest technologies into a product built from the ground up.A team of like-minded professionals — You will work alongside motivated individuals who support one another. We closely collaborate with technical teams across other businesses within the Universe Group, sharing insights and expertise.Opportunities for professional and career growth. We believe that the success of our business depends on the motivation and potential of each team member, so we continually invest in learning and development. You will also have the chance to advance to the Tech Lead position and contribute to team expansion and mentorship of junior specialists.Your future tasks will include:Defining and developing the product architecture, including technology selection, project structuring, and building scalable infrastructure to support a large number of users.Developing and maintaining...

We are looking for a Full-Stack Developer to join FORMA by Universe Group.FORMA is a business within Universe Group that creates SaaS solutions for document management. Our flagship web product is PDFGuru. Our team has achieved impressive results, including:Over 4 million users engage with our products monthly.Our products offer more than 50 tools for effective document handling.Users from over 30 countries choose our tools for their needs.You will join a technical R&D team working on the web product PDFGuru in the document processing and conversion niche.You will thrive here if you want to:Join an ambitious team. AVentures Capital has included us in the list of potential “unicorns” from Ukraine, and we are confidently moving toward this goal.Work with cutting-edge technologies without legacy issues. Our product is two years old, and we consistently use the latest technologies, approaches, and best practices in architecture design and development.Pursue growth and knowledge sharing. As we grow, you will have the opportunity to deepen your knowledge in architectural solutions and project development.

SKELAR is a venture builder dedicated to creating international product IT companies under the principles of the venture investment world. Together with our co-founders, we assemble strong teams to launch tech businesses that thrive in global markets.Currently, SKELAR operates a portfolio of businesses across diverse niches, ranging from EdTech to marketplaces. Our companies consistently rank among the top startups and product companies in Ukraine, achieving high positions in the App Store and developing platforms used by millions. Furthermore, our businesses are frequently featured in renowned media outlets such as TechCrunch and Wired.We are on the lookout for a proactive and responsible Security Engineer who will take charge of safeguarding our cloud ecosystem and corporate devices. With over 2,000 users and 1,000+ devices at SKELAR, your role will not involve manual configurations but rather the establishment of a systematic hardening process and automation of security measures. Your expertise will be crucial for scaling our operations while maintaining strict data control.Key Challenges Awaiting You:— Cloud Infrastructure Hardening: Conduct comprehensive security reviews of key services (GWS, Dropbox, Notion, Slack). You will need to implement architectural changes to minimize the risk of data leaks;— Identity & Access Management: Engage deeply with Okta. You will ensure secure, convenient access to systems in accordance with Zero Trust principles (MFA, Adaptive Auth, Scoping);— Apple Ecosystem Security: Manage the macOS fleet via Jamf Pro and Jamf Protect. Your mission is to ensure compliance for every device and automate threat response on endpoints;— DLP & Data Protection: Develop and enforce data loss prevention policies in cloud storage and messaging platforms;— Incident Response: Handle tickets and investigate incidents related to the corporate environment (L2/L3 level).

Join our dynamic team at Auto1 as a Team Lead Java Engineer in our Remarketing department. In this role, you will lead a talented group of engineers, driving innovation and excellence in our technology solutions. You will be responsible for overseeing the development and implementation of robust Java applications that enhance our remarketing strategies. Your leadership will be crucial in mentoring team members, improving coding standards, and ensuring high-quality deliverables.

We are seeking a talented and experienced Team Lead Java Engineer to join our dynamic team at auto1 in the vibrant city of Kyiv. In this role, you will lead a dedicated team of developers, driving innovation and excellence in our retail technology solutions.The ideal candidate will possess a strong background in Java programming, a passion for leading teams, and a commitment to delivering high-quality software solutions. You will collaborate closely with cross-functional teams to define project requirements and ensure timely delivery.

nix collaborates with a global leader in corporate brand protection and domain management. The client supports Fortune 500 companies and large enterprises by providing domain registration, online brand monitoring, and anti-counterfeiting services. Their work centers on securing digital assets at scale. A new project is underway to combine two legacy client portals into a single platform. The team aims to preserve all current features during the transition. The technology stack includes PHP (Laravel), RabbitMQ, MySQL, and Nuxt.js (Vue.js), all deployed on AWS. Role overview The Senior Automation QA Engineer (Java) will architect and build a comprehensive test automation framework from scratch. This framework will support regression, API, and end-to-end testing for the unified platform. What you will do Design and implement a test automation framework using Java Develop tests for regression, API, and end-to-end scenarios Ensure coverage across the new unified platform Project stack PHP (Laravel) RabbitMQ MySQL Nuxt.js (Vue.js) AWS

Join our dynamic team at Miratech as a Senior Cloud Database Administrator, where you will play a pivotal role in maintaining and optimizing our IVR and analytics platforms. You will be responsible for ensuring the integrity, performance, and security of our cloud databases while collaborating with cross-functional teams to enhance our data management capabilities.Your expertise will contribute to the development of innovative solutions and the implementation of best practices in database management. If you are passionate about cloud technologies and looking for a challenging opportunity to grow your career, we want to hear from you!

Empower the Digital Economy with SolidgateAt Solidgate, we are dedicated to empowering exceptional entrepreneurs to create outstanding internet companies. Our mission is to provide the financial infrastructure needed to fuel the builders and innovators shaping the digital economy. We are on a relentless journey to become the leading payments orchestration platform worldwide.Why Join Us?Work on a backend-driven product featuring intricate logic and a modern tech stack.Our AQA Tech Stack: Java, TestNG, Selenide, Retrofit, Testomatio.Emphasize quality from the very first line of code — it’s not an afterthought.Automation-first Culture: We believe in quality ownership by every engineer, searching for true engineers, not just testers.Testing at Scale: Our platform operates over 200 individual auto-test suites per service, generating more than 150,000 test results daily.AI-driven Code Review: Reduce boilerplate code, enhance deployment speed, and concentrate on solving real challenges rather than battling repetitive code.The Role and Team DynamicsWe are seeking a Middle / Senior Automation QA Engineer to enhance our Integrations Team, ensuring the reliability of Solidgate’s payment integrations with global payment providers.Your primary responsibility will be testing integrations with payment providers, including card payments and alternative payment methods (APMs). You will validate payment flows, assess provider responses, evaluate business logic, and ensure robust error handling for reliable integrations across various scenarios.Your ContributionsEstablish Test Coverage: Analyze functional requirements, risks, and technical specs to prioritize and focus on critical product aspects effectively.Create Meaningful Test Artifacts: Develop comprehensive automation plans and logical test scenarios to ensure coverage of essential functional areas and pinpoint critical defects.Build Reliable Automated Tests: Design and implement stable automated tests that deliver timely feedback within the CI/CD pipeline.

Our Mission and VisionAt Solidgate, we are dedicated to empowering exceptional entrepreneurs in the creation of outstanding internet companies. Our goal is to provide the innovative financial infrastructure necessary for builders who are shaping the digital economy. We are on a bold mission to become the leading payments orchestration platform globally.We believe that the future of payments is driven by individuals who dare to think big, take ownership, and approach every task with curiosity and determination. We seek teammates who embody these qualities.About the RoleWe are in search of a proactive, ambitious, and results-oriented Recruiter to join our dynamic team. This role goes beyond merely filling vacancies; it’s about attracting the talent that will shape the future of Solidgate. You will collaborate closely with hiring managers and leadership to enhance our teams with exceptional talent while ensuring candidates enjoy a remarkable experience from their initial contact to the final offer.Why This Role MattersPeople are at the heart of everything we do. Each new hire can significantly influence our trajectory. As a Recruiter at Solidgate, you will directly impact our growth rate, enhance our culture, and help us achieve our mission. Your contributions will be evident in every product launched, every new market penetrated, and every milestone reached.What You’ll Own— Manage end-to-end recruitment for international business, product, and technology roles — from sourcing through to the job offer.— Collaborate closely with hiring managers to grasp their needs and deliver impactful results.— Build, maintain, and nurture talent pipelines for key and challenging positions.— Develop and implement outreach strategies that attract top-tier candidates from around the globe.— Continuously enhance recruitment processes to make hiring smarter, faster, and more effective.— Act as a brand ambassador for Solidgate, showcasing our values and culture to candidates worldwide.You’re a Great Fit if You Have— 3-5 years of recruiting experience (preferably within fast-paced tech environments)— A proven history of successfully hiring top talent in competitive markets— Exceptional sourcing skills — adept at identifying and engaging candidates across various platforms— Strong communication and stakeholder management skills— A growth mindset: you challenge and refine processes instead of just following them— Proficient in EnglishWhy Solidgate?Join us in transforming the payments landscape!

Join Ajax Systems, an international technology leader and Europe's largest developer and manufacturer of advanced security systems with smart home capabilities. We are seeking an experienced Embedded Linux Developer to be a part of our dynamic team in Kyiv. In this role, you will leverage your expertise in Embedded Linux development to contribute to our ecosystem of over 180 devices and applications, safeguarding millions of users worldwide. You will work on cutting-edge technology, tackling challenges in the development of secure, efficient, and innovative solutions.

Joinus is seeking a talented and motivated Middle/Senior PBN Specialist to enhance our marketing efforts. In this role, you will be responsible for developing and managing Private Blog Networks (PBNs) to improve our clients' online visibility and SEO rankings. If you have a strong background in SEO, a strategic mindset, and a passion for driving results, we want to hear from you!

About Ajax Systems Ajax Systems designs and manufactures security solutions used by over 4.5 million people and 330,000 professionals in more than 180 countries. The company offers a portfolio of 280 devices for intrusion detection, video surveillance, fire safety, and automation, protecting homes and businesses of all sizes. Ajax Systems is based in Kyiv and continues to grow rapidly each year. Quality Assurance at Ajax Reliability and stability are essential for security systems. The QA Department at Ajax Systems is involved in every stage of product development, manufacturing, and ongoing improvement. QA engineers here do more than routine testing. They investigate issues across hardware, software, and system integrations. Testing often involves simulating real-world extremes: movement by people and animals, harsh weather, temperature swings, and even controlled fire or flooding events. Role Overview: Middle Manual QA Engineer This position is part of the Automation Department in Kyiv. The team is looking for someone with strong manual QA skills to help ensure the quality and reliability of Ajax Systems’ expanding product line.

Join Our Team at IdealsIdeals is a renowned global B2B SaaS provider celebrated for being the most customer-focused brand in the secure business collaboration space. With over 2 million users across 300,000 companies worldwide, we empower organizations to manage high-stakes processes and make significant decisions with greater ease and efficiency.Ideals Virtual Data Room (VDR): Facilitating secure document sharing and collaboration for due diligence, fundraising, corporate reporting, licensing, clinical trials, and other intricate transactions.Ideals Board: A platform designed for board and leadership collaboration, ensuring faster, safer, and compliant decision-making.Your MissionWe are in search of a Backend Software Engineer (.NET) with AI skills who will be pivotal in developing and scaling our secure, high-load VDR services while also exploring the integration of AI patterns into our product features.Your success will be gauged by your strong backend fundamentals—reliability, performance, scalability, and maintainability—and your capability to implement AI features safely and efficiently using reusable, well-architected components.This role is hands-on within a mature product environment where engineering excellence, observability, and sustainable architecture are paramount.Key ResponsibilitiesBackend Engineering:Design, develop, and maintain high-quality production-grade .NET services.Utilize .NET Framework 4.7, .NET 8, ASP.NET, Web API, and Entity Framework.Create and refine data models with MS SQL Server and PostgreSQL.Deploy and manage services on AWS, leveraging Docker, Kubernetes, and ArgoCD.Ensure service reliability and performance through:Defining clear SLIs, SLOs, and capacity planning.Implementing caching, retries, backoff strategies, and circuit breakers.Establishing secure multi-tenant access control.Take ownership of services from design through implementation, deployment, monitoring, and support.

Job OverviewJoin Wargaming's innovative Game Engine Development team as a Render Engineer. In this role, you will play a pivotal part in enhancing our cross-platform game engine, developed in C++. Your expertise will contribute to creating exceptional gaming experiences.Key ResponsibilitiesDevelop and optimize new graphics features.Refactor existing code, optimize performance, and resolve graphic issues.Adhere to coding standards while writing clean and maintainable code.Produce technical documentation for development processes.QualificationsMinimum 2 years of professional experience in C++ development.Familiarity with graphics APIs including DirectX, Vulkan, or OpenGL.Proficient in shader programming (GSL, HLSL).Basic understanding of linear algebra concepts such as vectors, matrices, and quaternions.Experience in developing 3D demo applications or custom engines.Skilled in using debugging and profiling tools (Nsight, Renderdoc, PIX, etc.).Solid understanding of GPU architecture and graphics pipeline.Hands-on experience with DirectX 11/12 and Vulkan.Desirable SkillsIntermediate proficiency in English.BenefitsWe offer a range of benefits tailored to the local market in Kyiv, including:24 days of annual leave.6 personal days per year.Opportunities for career growth and professional development.Comprehensive Private Health Care with wellness program options.Mental health support program (iFeel).Life event bonuses (Birthdays, Marriages, Childbirth).50% contribution towards English language courses.Employee discounts on various services.Personal Gaming Account for gaming perks.Free coffee, fruits, and snacks in the office.Company events and gatherings.Seniority awards recognizing long-term contributions.A referral program that rewards you for bringing in top talent.

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, our Ajax products are trusted for comprehensive solutions in protecting residential and commercial properties of all scales. Our portfolio includes 280 devices designed for intrusion detection, video surveillance, fire safety, and comfort automation. Each year, we experience significant growth both in team size and global user base.The development of devices at Ajax is spearheaded by our R&D department, which comprises four specialized divisions: System, Device, Automation, and Quality Assurance (QA).The Device Department focuses on the creation of security and automation devices, taking on serious challenges in areas such as:- Low-Power: devices designed to operate for extended periods on standard batteries;- Cost Efficiency: mass-produced products must remain within the medium price segment;- Design for Manufacturing (DFM) and Design for Human (DFH): circuitry, casings, and other components must be easily reproducible in the production of hundreds of thousands of devices without sacrificing quality.Development primarily targets STM32 (but also includes other MCUs and SoCs), utilizing Embedded C. We have built a strong expertise with talented Hardware and Embedded C engineers, industrial designers, and mechanical engineers.

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.

Ajax Systems is a leading international technology firm and the largest manufacturer of security systems in Europe. Our Ajax products are trusted by over 4.5 million end-users and 330,000 PRO-users across more than 180 countries. We provide comprehensive solutions for the protection of residential and commercial properties of all sizes. Our portfolio includes 280 devices for intrusion detection, video surveillance, fire safety, comfort, and automation. Each year, we showcase exponential growth in both our team size and user base globally.The Device Department is dedicated to the design and development of innovative security and automation devices. We tackle serious challenges in areas such as:- Low Power Consumption: Devices must operate efficiently for extended periods on standard batteries.- Cost-Effectiveness: Mass-market products should remain within the mid-price range.- DFM (Design for Manufacturing) and DFH (Design for Human): Schematics, enclosures, and other components should be easily reproducible in the production of hundreds of thousands of devices without sacrificing quality.Our development primarily utilizes STM32 (with additional MCU and SoC options) and Embedded C. We have cultivated a strong expertise with talented professionals, including Hardware and Embedded C engineers, industrial designers, and mechanical engineers.

Ajax Systems — a leading international technology firm and the largest manufacturer of security systems in Europe. Our innovative Ajax products are trusted by over 4.5 million end-users and 330,000 PRO-users across more than 180 countries. We provide comprehensive solutions for safeguarding residential and commercial properties of all sizes. Currently, our portfolio includes 280 devices designed for intrusion protection, video surveillance, fire safety, as well as comfort and automation. Each year, we experience exponential growth in both our team size and user base globally.Ajax Systems boasts a full-cycle production process, from idea generation and prototype development to mass production and global sales. Each department plays a vital role in addressing specific operational needs of the business.We are currently seeking a No-Code Robotic Process Automation Developer to enhance our team. The primary mission of the No-Code Center of Excellence is to ensure the digital backbone of our business by implementing best-in-class no-code digital products. RPA is one of the key areas of No-Code development within our company, serving all facets of our operations.

SKELAR is a dynamic venture builder dedicated to creating international product IT companies guided by the principles of venture investing. Together with co-founders, we assemble strong teams to launch product-focused IT businesses and excel in global markets.We are currently seeking a Junior/Middle Backend Engineer to join our partner company.This platform is designed for personal and spiritual development, based on Christian values. We assist individuals in finding answers to life's most significant questions, 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 strategy is to become a global platform where tens of millions of Christians, hundreds of organizations, and thousands of mentors and pastors can interact.Key Achievements We Are Proud Of:Users love us: average ratings in the App Store, Google Play, and Trustpilot are 4.7/5.We are growing rapidly: our team has quadrupled in the past year.We partner with Meta, which affirms the high quality of our product and the trust of technology leaders.We are evolving at an incredible pace, and every team member has the opportunity to grow rapidly 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 utilize 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 rather than routine.