Integration Engineer specializing in JavaScript SDK & APIs

Design, develop, deploy, and manage over 130 modules and multiple applications daily.Enhance your skills by taking a hands-on approach to tackle complex challenges.Elevate standards and spearhead technological advancements to ensure AUTO1 remains at the forefront of innovation.Collaborate closely with diverse product and development teams to bring new, cutting-edge features to fruition. You will have opportunities to explore various technologies and areas of software development.

About Us:Swarmer is at the forefront of drone technology, developing cutting-edge software that empowers drones to operate autonomously in large formations without the need for pilots. Our technology has been rigorously tested in over 100,000 combat missions in Ukraine, making it a vital player in modern drone warfare. Recently, we secured a $15 million Series A funding round, the largest investment in Ukrainian defense technology since the onset of the war, and we are expanding our operations to support NATO-aligned nations.Our software is actively saving lives and defending democratic values, showcasing the real-world impact of our innovations.Your Role:As an Integration Engineer (Hardware/Embedded), you will play a crucial role in the hardware composition of our products and ensure their seamless connectivity with our software solutions.

Join Wix as a Frontend Engineer for our dynamic Editor platform, where you'll play a vital role in enhancing our business solutions. You'll be responsible for designing and developing scalable APIs and improving the runtime and user experience infrastructure that serves millions of users globally. Your daily responsibilities will include:Creating robust infrastructure to extend existing Wix business solutionsDesigning and implementing APIs tailored for internal and external stakeholdersOptimizing application runtime and UX infrastructure utilized by millionsCollaborating with diverse teams including R&D, developers, UX designers, and business analysts to align requirements and drive progress

Join our dynamic Media Buying Team as an Integration Specialist, where you will play a crucial role in optimizing and managing our media buying strategies. We are looking for an expert who can seamlessly integrate various marketing technologies and platforms, ensuring efficient workflows and superior campaign performance. Your expertise will drive data-driven decision-making and enhance our media buying capabilities.

Oversee the complete software development lifecycle: from architecture and design to development, deployment, monitoring, and operational support.Contribute to a distributed product line utilizing Node.js technology.Design and implement microservices, as well as develop efficient APIs.Assume responsibility for continuous delivery, catering to millions of users globally.Address challenges related to system scalability and integration with external third-party services.

Welcome to Liven! We are pioneering a global ecosystem of innovative products designed to empower individuals in their journey of self-discovery, helping them overcome negative thoughts and behaviors.Our Ecosystem Includes:Self-Discovery Companion — an app that has already impacted 2.5 million users, fostering deeper self-relationships through AI coaching, mood tracking, sound practices, and engaging bite-sized learning.Online Coaching — expert-led sessions to assist in navigating life's complexities.Supplements — products aimed at physical recovery and overall wellness.Liven thrives on curiosity. Our team is passionate about innovation and committed to creating impactful solutions that guide individuals on their self-discovery path. We foster a culture of experimentation to continuously improve how we support our users.We are searching for a Lead Front-End Engineer to spearhead the development of our builder solutions and complex automation systems. This role is ideal for those who relish the challenge of constructing tools that facilitate internal processes, requiring a keen focus on architectural flexibility, performance, and high-load visual editors.

Role overview Solidgate seeks a Junior Business Analyst (Integrations) based in Kyiv to help refine and improve internal operations. This position centers on understanding business requirements and translating them into actionable insights for integration projects. Day-to-day work involves supporting the development of integration solutions that connect various systems and processes. The analyst will contribute to projects aimed at making workflows and internal systems more efficient. What you will do Analyze business requirements for integration projects Assist in developing solutions that connect internal systems Support ongoing efforts to streamline operations and improve workflows

Precoro Inc. is a Ukrainian fintech company helping organizations automate procurement and strengthen oversight. With more than 1,000 clients in over 80 countries, Precoro delivers measurable value and cost savings for businesses worldwide. Role overview Precoro is hiring a Manual Quality Assurance Engineer for the Integrations Module team in Kyiv. This group focuses on integrations with NetSuite and hotglue, collaborating closely with QA, Development, and Product Management. The position plays a key role in maintaining product quality and supporting a global client base. What you will do Manually test complex product modules to ensure reliability and performance. Investigate production issues using Sentry and databases to identify and resolve problems. Create, update, and maintain test cases and related documentation. Work with Product Managers and Developers to uphold high quality standards. Requirements Minimum 2 years of experience as a QA Engineer. Strong skills in web testing. Practical experience with SQL. Ability to analyze issues, find root causes, and recommend solutions quickly. Experience with both structured and adaptable release processes. Nice to have Experience using Sentry or similar error monitoring tools. Basic understanding of automation principles. What Precoro offers Trust as a foundation: Ideas and initiatives are welcomed, and the company does not practice micromanagement.

About UsAt Ruby Labs, we are a pioneering technology firm dedicated to the creation and management of groundbreaking consumer products. Our diverse portfolio spans the health, education, and entertainment sectors. We pride ourselves on our innovative teams who are shaping the future of consumer-driven products. Join us in our mission and discover more about our journey at https://rubylabs.com/about-us/.Role OverviewWe are seeking a proactive QA Engineer with a strong focus on manual testing and API validation to ensure the stability of our payments platform amidst frequent releases and urgent hotfixes. Our team operates in a Kanban environment, allowing for flexibility and continuous delivery. You will be responsible for clarifying project scope, creating efficient test coverage, and ensuring rapid delivery without compromising essential payment routes.Your key responsibilities will include risk-based testing of payment flows, end-to-end API validation (including webhooks), and maintaining effective regression and smoke checklists that balance speed with reliability.

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.

Join Ajax Systems, a leading international technology firm and Europe’s largest manufacturer of security systems, as a Mechanical Engineer specializing in special equipment. Our innovative products serve over 4.5 million end-users and 330,000 PRO users across more than 180 countries, offering comprehensive solutions for protecting residential and commercial properties of all sizes. Our portfolio includes 280 devices for intrusion detection, video surveillance, fire safety, and automation. The Automation Department focuses on developing integrated hardware-software complexes for testing our devices during production and creating robotic lines for assembly and packaging automation. We also develop software for device firmware and production management, optimizing sensor manufacturing time using Python 3 and Embedded C.

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 Playtech, a leader in gaming technology, as a Front End Game Developer in Kyiv. In this exciting role, you will collaborate with a dynamic team to create engaging gaming experiences. You will be responsible for developing innovative front-end solutions that enhance user interaction and drive the future of gaming. Your creativity and technical skills will play a vital role in shaping our gaming platforms.

Role overview Skelar is hiring a Head of Engineering in Kyiv. This leader will guide the engineering team, set technical direction, and ensure projects meet high standards. The role includes overseeing development work and encouraging new ideas across the group.

Role Overview SKELAR is hiring an Engineering Manager in Kyiv. This role leads a team of engineers, guiding projects from planning through delivery. The manager sets direction for engineering efforts, supports team growth, and encourages strong collaboration across disciplines. What You Will Do Oversee engineering projects, ensuring timely and high-quality delivery Mentor and develop engineers, helping them grow their skills Promote best practices in engineering and team communication Foster a culture of creativity and shared problem-solving Location This position is based in Kyiv.

We are seeking a skilled Sales Engineer to enhance our sales operations by crafting high-quality technical and commercial proposals, collaborating with engineering teams, and ensuring efficient and precise sales processes at a Ukrainian engineering firm that is part of an international engineering and manufacturing group.Our company excels in the design, development, and manufacturing of specialized machinery and equipment for the manufacturing industry, expertly merging Western engineering standards with local proficiency.This role primarily focuses on the design and development of specialized machinery for handling ammunition and energetics equipment, with a strong emphasis on producing detailed assembly drawings for intricate press-type operations.

Role overview KPMG Ukraine is hiring a System Engineer in Kyiv. This role focuses on designing, implementing, and maintaining complex systems for a range of clients. Collaboration with cross-functional teams is central to the work, with an emphasis on meeting varied client needs and supporting process improvements.

We are seeking an experienced, hands-on IT Infrastructure Engineer to lead the development and enhancement of our enterprise identity and messaging platforms within a hybrid Microsoft environment.About UsKyivstar.Tech is a pioneering Ukrainian hybrid IT company, proudly situated within Diia.City. As a subsidiary of Kyivstar, one of Ukraine's foremost telecom operators, we are dedicated to leveraging technology to transform lives.Our mission focuses on empowering individuals and businesses in Ukraine and around the globe by delivering innovative technological solutions that meet diverse user needs.With a talented team of over 500 specialists, we excel in mobile and web solutions, design, development, support, and technical maintenance of high-performance systems and services.At Kyivstar.Tech, we champion innovation and embrace entrepreneurial culture, driving us to continually evolve and create impactful solutions.

Join our dynamic team at Wix as a Server Engineer, where you will be at the forefront of developing and maintaining robust server infrastructure. You will work closely with cross-functional teams to ensure optimal performance and scalability of our services.