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Integration Engineer Specializing In Javascript Sdk Apis jobs in Kyiv· Page 3

Results 41–60 of 187 for “Integration Engineer Specializing In Javascript Sdk Apis” in Kyiv.

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N-iX logo
Full-time|On-site|Ukraine

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 decis…

Apr 23, 2026
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Quantum-Systems logo
Full-time|On-site|Kyiv, Kyiv, Ukraine

Join our dynamic team in Kyiv, Ukraine, where you will work full-time in our modern office. We provide a convenient shuttle service from the nearest metro station for your ease.About the RoleAs a Senior Embedded Software Engineer, you'll play a pivotal role within our Architecture team, focusing on the development and implementation of essential features that enable our drones to operate safely and autonomously in the skies. Collaborating with our elite team of seven members, you'll push the boundaries of drone technology while working closely with stakeholders in Germany and the US across System Architecture and Hardware Development.Your Daily Responsibilities:Develop, maintain, and optimize the Quantum-Systems autopilot firmware and its associated stack.Design, conceptualize, implement, and test new autopilot functionalities.Export flight control and navigation algorithms from MATLAB/Simulink and integrate them into the autopilot's embedded framework.Implement, maintain, and optimize BSP/peripheral and external sensor drivers for real-time operating systems.Document and maintain autopilot firmware for flight tests, including creating flight test tickets, supporting flight tests, and analyzing post-flight data.Create unit tests and debug/troubleshoot the codebase to ensure comprehensive code coverage and functionality testing.Oversee the firmware update ecosystem, including bootloaders and firmware updates.Assist in the implementation and maintenance of production tools.

Mar 17, 2025
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Kyivstar logo
Full-time|Remote|Kyiv, Ukraine

Join our dynamic team as an experienced LLM Research Engineer specializing in Natural Language Processing (NLP). We are passionate about advancing the capabilities of large language models (LLMs) and are looking for a talented individual who shares our enthusiasm for innovative AI research. In this role, you will be responsible for designing and prototyping sophisticated data preparation pipelines, collaborating with data engineers to transition your prototypes into scalable, production-ready systems. You will also create and implement a cutting-edge evaluation and benchmarking framework to assess and enhance model quality, as well as manage comprehensive end-to-end training processes for LLMs. Work alongside leading AI researchers and engineers to ensure our models not only deliver exceptional performance but are also aligned with user requirements, cultural contexts, and ethical considerations.About UsKyivstar.Tech, a prominent Ukrainian IT company and a proud resident of Diia.City, is a subsidiary of Kyivstar, one of Ukraine’s foremost telecom operators. Our mission is to transform lives in Ukraine and globally by developing technological solutions and products that unlock the potential of businesses while addressing the needs of users. Our diverse team of over 500 specialists is dedicated to delivering high-quality mobile and web solutions, as well as providing design, development, support, and technical maintenance for high-performance systems and services. We thrive on innovation and are committed to challenging traditional methodologies. Our entrepreneurial culture drives us to continuously evolve and create groundbreaking solutions.

Dec 5, 2025
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Miratech logo
Part-time|On-site|Kyiv

Role overview Miratech is hiring a Senior Network Engineer/Analyst in Kyiv. This role focuses on designing, implementing, and maintaining network infrastructures. The position sits within the engineering department and collaborates with teams across the company to support reliable network operations and strong performance.

Apr 15, 2026
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Solidgate logo
Full-time|On-site|Kyiv

Our Mission and VisionAt Solidgate, we are driven by a clear mission: to empower exceptional entrepreneurs in building outstanding internet companies. We strive to support the innovators who are shaping the digital economy by providing them with the financial infrastructure they need. Our ambitious goal is to establish ourselves as the world's leading payments orchestration platform.About the Team and RoleAs a member of the Billing team, you will take charge of the Taxes module, a vital component of our billing system responsible for tax calculations and reporting across various jurisdictions.The product has surpassed the MVP stage and is currently in active use by our customers. With the foundational logic established and a high demand for our services, your focus will be on scaling both functionality and reliability.This position is particularly exciting as you will not be maintaining legacy code; instead, you will be building and shaping a critical system almost from the ground up. You will have a clear path to leadership, overseeing the direction of the Taxes module, making architectural decisions, and expanding your team.Your team will consist of a Product Owner, one Senior Engineer, an Automation QA, and a Tax Manager.Discover our technology stack here.What You Will OwnYou will focus on:Developing tax calculation and reporting logicIntegrating third-party tax providersEnhancing system resilience and uptimeMaking architectural decisions and setting technical directionMentoring engineers as the team growsIn the initial months, your efforts will be directed towards delivering essential tax functionalities and establishing a robust foundation for future product and team expansion.We prioritize automated testing over manual QA—unit, integration, functional, and end-to-end tests are integral to our shipping and scaling processes.You Are a Great Fit If You Have4+ years of backend engineering experience1.5+ years of commercial experience in Go developmentA strong understanding of high-load system designSolid experience with PostgreSQLExperience with cloud technologies and microservices architecture

Feb 10, 2026
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Kyivstar logo
Full-time|On-site|Kyiv, Ukraine

About the RoleWe are seeking a motivated and skilled Telecommunications Engineer of Category 2 to join our dynamic team in Kyiv. In this role, you will play a crucial part in ensuring the efficient operation and maintenance of our telecommunications systems, contributing to the quality of service provided to our customers.Key ResponsibilitiesDesign, implement, and maintain telecommunications networks.Collaborate with cross-functional teams to resolve technical issues.Monitor network performance and suggest improvements.Ensure compliance with industry standards and regulations.

Mar 25, 2026
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Sigma Software Group logo
Full-time|On-site|Kyiv

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.

Oct 6, 2025
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SKELAR logo
Full-time|On-site|Kyiv

SKELAR is a venture builder dedicated to creating international product IT companies using the principles of venture investment. Together with our co-founders, we assemble strong teams to launch tech businesses and excel in global markets.Currently, SKELAR boasts a portfolio of diverse businesses spanning various niches—from EdTech to marketplaces. Our companies consistently rank among the top startups and product firms in Ukraine, achieving high placements in the App Store and developing platforms utilized by millions globally. Moreover, our ventures have been featured in prominent media outlets like TechCrunch and Wired.We are on the lookout for a proactive and responsible Security Engineer to elevate our company's security framework. With over 2000 users and 1000+ devices at SKELAR, our goal is to establish robust processes ranging from system hardening and automation (Zero Trust) to building our internal Security Operations Center (SOC) from the ground up.We welcome applications from talented engineers with expertise in either Infrastructure & Endpoint Security or Detection & Response. If you possess a solid foundation in security practices and have experience with systems similar to ours, we would love to connect!Your Challenges Await:Area 1: Cloud & Endpoint Security (Prevention & Hardening)- Conduct security reviews and harden our key corporate services: Google Workspace (GWS), Slack, Notion, Dropbox;- Engage deeply in Identity & Access Management: architecting a Zero Trust framework, configuring MFA, SSO, and Lifecycle management exclusively based on Okta;- Manage macOS systems and ensure compliance through Jamf Pro and Jamf Protect;- Develop and implement data loss prevention (DLP) policies within our ecosystem.Area 2: SecOps & Monitoring (Detection & Response)- Select and fully implement an internal SIEM solution: conducting POCs for monitoring systems and safeguarding architectural choices for the business;- Configure log collection and correlation from our cloud environments, SaaS services (GWS), and networks;- Design anomaly detection rules (Detection Engineering) and create response Playbooks;- Build processes for alert handling and incident management from the ground up.What We Value:- Experience in information security (infrastructure protection);...

Mar 31, 2026
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Quantum-Systems GmbH logo
Test Engineer

Quantum-Systems GmbH

Full-time|On-site|Kyiv, Kyiv, Ukraine

Quantum-Systems is at the forefront of developing next-generation unmanned systems for aerial, land, and maritime applications. From advanced aerial drones to underwater and ground platforms, our systems integrate cutting-edge hardware with AI-driven software, delivering seamless control and real-time data analytics. Trusted by clients in defense, security, and the public sector globally, we are redefining versatility and mission execution efficiency.Quantum-Systems is a committed partner to Ukraine, with a local office established in 2022.We are currently seeking a Test Engineer to ensure the operational effectiveness of our equipment, identifying defects and maintaining quality control prior to release or further repair. This is a vital role that guarantees the reliability of our technology.This position is full-time and office-based. Candidates must be located in Kyiv.Your Daily Mission:Conduct functional testing of equipment within defined parameters.Maintain comprehensive logs throughout the testing process.Identify, describe, and classify discrepancies.Verify devices post-repair or component replacement.Test modules: power supplies, network interfaces, sensors, buttons, and ports.Work with diagnostic software and measuring tools.Conduct load and stress tests as required.Collaborate with service engineers to clarify defects and facilitate equipment repairs.Adhere to internal testing and quality standards.

Apr 13, 2026
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Quantum-Systems logo
Full-time|On-site|Kyiv, Kyiv, Ukraine

Join our team in Kyiv as a System Engineer Navigation and be part of a groundbreaking journey in UAV navigation technology. This role requires full-time presence in our office, conveniently serviced by a shuttle from the nearest metro station.About the PositionAs a System Engineer Navigation, you will play a pivotal role in shaping the future of unmanned aerial vehicle navigation systems. Your work will span both hardware and software domains, focusing on the integration of cutting-edge sensors, the development of advanced navigation algorithms, and enhancing flight control performance. If you have a passion for UAV technology and enjoy collaborating across functions to innovate navigation and guidance systems, we want to hear from you!Your Daily Responsibilities:Facilitate communication between customer support and R&D, prioritizing feature requests and managing bug reports.Gather, analyze, and assess preliminary data to inform hardware updates.Collaborate effectively with cross-functional teams.Participate in design reviews and contribute to system documentation.Analyze and integrate new sensors, focusing on flight control-related components like IMU, GNSS, magnetometers, and pressure sensors.Develop integration and validation concepts.Design, implement, and test algorithms for navigation and control systems that meet project specifications.Conduct simulations and analyses to validate GNC models and assess system performance under various conditions.Enhance system performance through innovative sensor calibration techniques.

Aug 29, 2025
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Quantum-Systems logo
Full-time|On-site|Kyiv, Kyiv, Ukraine

Quantum Systems specializes in innovative unmanned solutions for aerial, terrestrial, and maritime applications. Our advanced drones and platforms integrate state-of-the-art hardware with AI-enhanced software, delivering seamless control and real-time insights. Trusted globally by defense, security, and public sector clients, we are at the forefront of redefining operational versatility and performance.Since 2022, Quantum-Systems has proudly maintained a local office in Ukraine, demonstrating our commitment to the region.We are seeking a Design Engineer (specializing in serial production equipment) to join our dynamic production engineering team. In this role, you will design and refine tooling and fixtures for composite manufacturing processes. Your contributions will span the entire product lifecycle—from initial concept through to execution—while collaborating closely with R&D, technologists, and production teams.This position is ideal for those who are passionate about transforming concepts into high-tech solutions, exhibit strong attention to detail, and thrive in a collaborative environment. Join us in advancing innovations within aerospace and composite technologies.This is a full-time, office-based role. Candidates must be located in Kyiv.

Feb 20, 2026
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Wix.com Ltd. logo
Full-time|Hybrid|Kyiv

Join our dynamic Frontend Guild as a Fullstack Infrastructure Engineer at Wix, where you will play a pivotal role in shaping the core engines that facilitate development for all frontend engineers. Your contributions will enable teams to deliver faster and with enhanced quality. You will be responsible for overseeing projects from conception to deployment, impacting a vast scale.Your Responsibilities:Design and implement internal tools aimed at boosting developer efficiency and code excellence.Manage infrastructure solutions that include production testing and performance analysis tools.Guide projects from initial ideas through design, development, and production phases.Incorporate AI technologies into your daily workflow for coding, testing, design, and making informed technical decisions.Utilize contemporary full-stack technologies and top-tier tools.Engage in close collaboration with seasoned engineers on significant projects.Enhance the developer experience throughout the organization.At Wix, we embrace the flexibility of a hybrid work model—offering you the choice to work in the office when necessary while maintaining remote connectivity. We are in search of talented individuals based in Ukraine who can effectively balance in-office and remote collaboration with the Wix team. This approach provides you with the ideal blend of remote flexibility and beneficial in-person teamwork when it counts.

Jan 6, 2026
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Grammarly, Inc. logo
Internship|Hybrid|Kyiv, Ukraine

Join a forward-thinking team at Superhuman, offering a hybrid work model for this internship. This flexible structure allows team members to enjoy focused work while also collaborating in person, promoting trust, innovation, and a robust team culture.Interns must be based in Ukraine and can work remotely, with opportunities to gather in our Kyiv office throughout the internship.About SuperhumanGrammarly is now part of Superhuman, an AI productivity platform dedicated to unlocking extraordinary potential in everyone. The Superhuman ecosystem integrates with over 1 million applications and websites, delivering tools like Grammarly’s writing assistant, Coda’s collaborative workspaces, Mail’s inbox management, and Go, the AI assistant that anticipates needs and provides contextual help. Established in 2009, Superhuman serves over 40 million individuals, 50,000 organizations, and 3,000 educational institutions globally, helping them eliminate busywork and concentrate on what truly matters. Discover more at superhuman.com and learn about our values here.The OpportunityAs we pursue our ambitious objectives, we seek Software Engineering Interns to join our Engineering team for a three-month period during the summer of 2026 (June 23 - September 11, 2026). Interns will engage in diverse projects across front-end, back-end, full-stack, and mobile engineering. In this role, you will face exciting technical challenges and gain valuable experience delivering features to millions of users.Our engineers and researchers enjoy the freedom to innovate and drive significant advancements, influencing our product roadmap. As we grow, the complexity of our technical challenges is rapidly increasing, covering our interfaces, algorithms, and infrastructure. Explore more insights from our team on our technical blog.As a Software Engineering Intern, you will be instrumental in overcoming Superhuman’s key Engineering challenges. Responsibilities include:Contributing to an end-to-end Engineering project aligned with your team’s strategic objectives.Delivering code within your first few weeks.Adapting swiftly in a dynamic environment and offering your unique insights to enhance product direction.

Mar 20, 2026
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Ajax logo
Full-time|On-site|Kyiv

As a Quality Assurance Engineer at Ajax, you will play a pivotal role in ensuring the quality and reliability of our software products. You will work closely with developers to identify and resolve issues, create and execute test plans, and contribute to the continuous improvement of our testing processes.

Mar 18, 2026
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auto1 logo
Full-time|On-site|Kyiv

Role Overview auto1 is hiring a Senior Java Engineer in Kyiv. This role focuses on building and improving Java applications that support our clients' needs. The team values collaboration and technical skill, and works together to deliver reliable software. What You Will Do Develop and maintain Java-based applications as part of a skilled engineering team Mentor junior developers and support their technical growth Contribute to architectural discussions and technical decisions Help ensure software products meet quality standards before release What We Look For Strong experience with Java development Ability to work well in a team and share knowledge with others Interest in shaping technical solutions and making architectural choices Experience mentoring or guiding less experienced engineers is a plus Location This position is based in Kyiv.

Apr 20, 2026
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Welltech logo
Full-time|On-site|Ukraine

Role Overview Welltech is seeking a Senior Legal Counsel with deep experience in Intellectual Property and Artificial Intelligence. This position is based in Ukraine and focuses on guiding legal strategies that protect and advance Welltech’s technology and products. What You Will Do Advise on intellectual property protection for new and existing products Support compliance efforts related to AI and IP regulations Identify and manage legal risks connected to technology development Work closely with product and engineering teams to safeguard Welltech’s intellectual assets About the Team This role is part of Welltech’s legal team, contributing directly to the company’s mission of advancing technology while protecting its innovations.

Apr 16, 2026
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Quantum-Systems GmbH logo
Service Engineer

Quantum-Systems GmbH

Full-time|On-site|Kyiv, Kyiv, Ukraine

Quantum-Systems is at the forefront of developing next-generation unmanned systems for aerial, ground, and maritime applications. Our innovative solutions range from cutting-edge aerial drones to underwater and terrestrial platforms, seamlessly integrating advanced hardware with AI-driven software for real-time data management and analytics. Trusted by clients in defense, security, and public sectors globally, we are redefining mission versatility and execution efficiency.With a local presence since 2022, Quantum-Systems is a steadfast partner for Ukraine.We are currently seeking a dedicated Service Engineer specializing in the diagnosis, repair, and maintenance of unmanned aerial vehicles (UAVs). The ideal candidate will possess strong technical acumen, attention to detail, and hands-on experience with electronic and mechanical components.This is a full-time in-office position. Candidates must be located in Kyiv.Your Daily Mission:Diagnose and repair various types of UAVs (quadcopters, fixed-wing aircraft, FPV, reconnaissance platforms).Repair and maintain electronic components: flight controllers, video systems, navigation modules (GPS/GLONASS), power modules, transmitters, and radio channels.Restore or replace motors, ESCs, propellers, and mechanical parts.Soldering, trace repair, and SMD component replacement.Calibrate sensors: IMU, compass, barometer.Assemble and configure new platforms according to specifications.Conduct functional testing post-repair.Maintain technical documentation.Collaborate with the engineering team and testing department.

Apr 10, 2026
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Kyivstar logo
Full-time|On-site|Kyiv, Ukraine

As an Engineer of Telecommunications Linear Installations and Subscriber Devices at Kyivstar, you will play a crucial role in designing, implementing, and maintaining advanced telecommunications infrastructure. Your expertise will ensure the reliability and efficiency of our subscriber devices and linear installations, contributing to the seamless connectivity our customers expect.

Feb 24, 2026
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onhires logo
Full-time|Hybrid|Ukraine

Location: Kyiv, Ukraine (Hybrid Format) Employment: Full-timeAbout the CompanyOur client is a Ukrainian product R&D company specializing in the development of UAVs (Unmanned Aerial Vehicles) and IoT solutions. The team creates proprietary hardware-software products from concept to prototype and production.The company is currently expanding its RF division and is seeking a dedicated specialist to transition from theoretical designs to practical antenna implementations.About the RoleAs the first internal antenna specialist in the team, you will bridge the gap between external expertise and hands-on development. You will be responsible for the design, simulation, testing, and integration of antennas into real devices.This position is ideal for an engineer eager to work beyond theory and witness the tangible results of their efforts in physical devices.Current operational frequency range: 100 MHz – 3.5 GHzIn development: extension to 6–8 GHzWhile the lab is currently supported by partners, there are plans to establish an in-house facility with your involvement.

Apr 8, 2026
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Speechify logo
Full-time|On-site|Kyiv, Ukraine

Speechify seeks an iOS Core Product Software Engineer based in Kyiv, Ukraine. The position centers on creating and refining iOS applications that support users in reading more easily and effectively. Teamwork is a key part of the day-to-day, with frequent collaboration across different specialties. Role overview This engineer will play a direct role in shaping the core iOS experience for Speechify’s users. The work involves both building new features and enhancing existing ones, always with a focus on reliability and usability. What you will do Design, develop, and test new features for Speechify’s iOS apps Work with cross-functional teams to deliver reliable software Contribute to the deployment of high-quality solutions for a global user base

Apr 25, 2026

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