Lead Principal Application Support Engineer

About Tripadvisor The Tripadvisor Group is dedicated to connecting individuals with experiences that are truly worth sharing. Our mission is to be the most trusted source for travel and experiences globally. By harnessing our diverse brands, advanced technology, and unique capabilities, we link our extensive audience with partners through engaging content, i…

Join Tripadvisor as a Senior Application Support Engineer in the vibrant city of Krakow! In this role, you will be responsible for ensuring the smooth operation of our applications and systems, providing top-notch support to our clients and internal teams.As a key member of our engineering team, you will leverage your technical expertise to troubleshoot issues, optimize processes, and contribute to the overall success of our applications. If you are passionate about technology and enjoy solving complex problems, this position is for you!

About TripadvisorThe Tripadvisor Group connects individuals with remarkable experiences, striving to be the most trusted source for travel and adventure. We utilize our brands, advanced technology, and extensive capabilities to link our global audience with partners through engaging content, travel insights, and a dual-sided marketplace for experiences, accommodations, dining, and other travel categories. Our subsidiaries, including Tripadvisor, Viator, and TheFork, are part of Tripadvisor, Inc. (Nasdaq: TRIP).The Tripadvisor Experiences Engineering team, spread across Europe, is tasked with managing the platform, mobile applications, and their supporting infrastructure. We operate systems that empower operators to grow their businesses while allowing third parties to leverage our inventory. Our tools enable our customer service teams to deliver world-class assistance to travelers and operators worldwide.This position is open to candidates residing in Poland. We champion flexibility in work arrangements and appreciate meaningful in-person interactions for collaboration and connection. Expect a remote-first work model with occasional in-person gatherings at your nearest office for team bonding, planning, or significant events.This role is available with a permanent contract (Umowa o Pracę).

Join Our Visionary Team at Hitachi Digital Services At Hitachi Digital Services, we are pioneers in the digital solutions and transformation industry, driven by a bold vision of what our world can achieve. Our approach is people-centric, aiming to empower positive change every day. Through innovative technology and deep expertise, we are committed to shaping sustainable urban environments, preserving natural resources, and enhancing lives. Join us in making the future brighter and more efficient through the power of acceleration. We recognize that talent comes in diverse forms. Your unique experiences, character, and passion for making a difference are just as important as your qualifications. Your Role: Lead comprehensive transformation initiatives: create strategic roadmaps, design future-oriented processes, and implement cutting-edge systems and technologies. Oversee multifaceted, cross-disciplinary projects such as MES deployments, sustainability platforms, asset master data projects, and IoT/ML implementations across various sectors and regions. Execute Lean and Operational Excellence strategies, focusing on process mapping, performance system design, and the integration of continuous improvement methodologies. Engage stakeholders at all levels: facilitate workshops, unify cross-functional teams, and ensure alignment with strategic goals. Manage the entire program lifecycle: from diagnosis and feasibility studies to deployment and ongoing operations, ensuring that KPIs and financial impacts are met. What You Bring: Strategic Planning & Business Development: Skilled in opportunity assessment, benefit realization, and budget coordination. Operational Excellence: Proficient in Lean Six Sigma, Theory of Constraints, and advanced process optimization techniques. Transformation Execution: Demonstrated success in delivering AMS/ERP/MES/IoT/analytics solutions with measurable results. Technology Fluency: Understanding of IIoT, AI/ML, SAP PM, and next-generation MES platforms. Leadership & Communication: Expertise in stakeholder management, team leadership, and facilitating change. Personal Attributes: Adaptable, self-motivated, results-driven, and committed to excellence. Industry Knowledge: Energy & Utilities: Leading optimization initiatives for major asset-intensive organizations; focusing on sustainability and IoT solutions. Manufacturing & Industrial Expertise. Cross-Functional Knowledge: Deep understanding of supply chain dynamics, asset governance, performance management, and digital transformation processes.

This role operates under the Company’s hybrid work arrangement, requiring employees to be present in the Krakow Office on Fabryczna Street at least three days a week.About the RoleThe Lead Helpdesk Engineer will collaborate closely with a skilled team of IT and security professionals. This position offers the chance to expand your knowledge with cutting-edge technologies, including Tanium’s products.The Lead Helpdesk Engineer plays a pivotal role in ensuring that our IT team and Tanium employees have the necessary access and resources to fulfill their objectives. The ideal candidate will thrive in a collaborative environment, providing support to our end-users while also contributing to the growth of our local IT team. Success in this role requires a commitment to quality and excellence.Key ResponsibilitiesAct as the escalation point for hardware, software, network, and system-related issues.Diagnose and troubleshoot issues across endpoints, operating systems, identity and access, SaaS applications, and basic networking.Assist in building and developing a local team of engineers focused on enhancing the technology experiences of employees worldwide.Establish ticket triage standards, prioritization protocols, and escalation paths.Ensure consistent troubleshooting methodologies and high-quality ticket resolution in line with Service Level Agreements (SLAs).Maintain and optimize daily helpdesk operations and queue management.Create and update knowledge base articles, identifying documentation gaps and leveraging documentation as an operational tool.Provide technical guidance and mentoring to helpdesk engineers.Serve as a local resource for supporting engineering environments with assistance from global counterparts.Collaborate with other leaders to identify automation opportunities, conduct tool assessments, and develop strategies for operational enhancements.Communicate ongoing issues, capacity challenges, and lead root cause analyses for systemic problems.Participate in operations and incident reviews as well as strategic planning sessions.

About UsAt Hitachi Vantara, we are the data foundation trusted by innovators worldwide. Our robust and high-performance data infrastructure allows clients—from financial institutions to entertainment venues—to focus on harnessing the power of data. For instance, if you have witnessed the Las Vegas Sphere, you have seen how we enable businesses to automate, optimize, and create memorable experiences for their customers. We are currently laying the groundwork for our next phase of growth and are searching for individuals who thrive in a diverse, global team environment and are passionate about making a significant impact through data. Join Hitachi Vantara’s Global Support Centre and deliver exceptional technical support for our enterprise storage and software solutions. Collaborate with customers and engineering teams globally to tackle complex issues, enhance product experiences, and strengthen our support capabilities.Meet Our TeamAs part of Hitachi Vantara Global Support, we provide remote technical support from Level 1 to Level 3 for all our customers. Collaborating closely with our field support and engineering teams, we ensure comprehensive support for all our solutions across various market segments.This position is based in our Krakow office, following a hybrid model (1 day per month in office), and offers structured training, opportunities for professional development, and the chance to operate within a global, engineering-driven support organization.Your ResponsibilitiesDeliver remote technical support for enterprise storage, software, and infrastructure systems.Diagnose and troubleshoot configuration issues, product failures, and customer technical inquiries.Manage customer cases from initial assessment through to resolution or escalation.Collaborate with global support, engineering, and services teams to solve intricate problems.Ensure service levels are maintained and assist in managing incoming support queues.

Wix.com is looking for an Application Security Specialist in Krakow to help protect both applications and sensitive data. This role centers on working closely with development teams to strengthen security across our products. What you will do Collaborate with developers to apply security best practices throughout the software development lifecycle Conduct vulnerability assessments to identify and address risks in applications Respond to security incidents and support remediation efforts Impact Your work will directly support a safer experience for Wix users and contribute to a stronger overall security posture for the company.

Join Our TeamAt Hitachi Digital Services, we are on a mission to empower positive changes in the world through innovative digital solutions. Our vision focuses on the potential for transformation in urban spaces, environmental conservation, and life-saving technologies. By harnessing our collective expertise and cutting-edge technology, we help our clients navigate from the present to a bright future.We value diversity in experiences and perspectives, believing that your unique journey can contribute to our shared success.Your RoleCollaborate proactively with teams across the organization to address and resolve customer and team challenges.Analyze product usage data from live environments to devise strategies for optimizing operational costs and enhancing application maintainability.Identify performance bottlenecks in applications and propose solutions to ensure optimal performance, quality, scalability, security, and responsiveness.Contribute ideas to reduce costs in IT and business operations.Design, document, and implement technical solutions for various systems, while considering integration, maintenance, and migration aspects.Ensure the efficiency, security, and alignment with the organization's goals.Create compliance architecture methods, including data storage, metadata management, and change control.Plan, execute, and document unit tests, providing regular status updates and addressing issues.Work collaboratively with third-party engineers and tools.Act as the escalation point for all technical issues within projects.Demonstrate effective communication and teamwork skills, able to discuss technical challenges and approaches confidently with clients.

Join our dynamic team at Tanium as a Senior Helpdesk Engineer and play a pivotal role in enhancing our customer support experience. You will be responsible for providing top-tier technical assistance and ensuring that our clients receive the highest quality of service. This is an exciting opportunity for you to leverage your expertise in IT support and help shape our service offerings.

As the Clinical Risk Lead, you will play a pivotal role in overseeing risk management for a portfolio of clinical projects, ensuring adherence to ICH GCP E6 standards. Your responsibilities will include coordinating the creation of project-specific risk assessments, risk management plans, and Integrated Strategic Monitoring Plans (ISMPs) during the study startup phase. You will also be instrumental in maintaining compliance with these plans throughout the project lifecycle. Additionally, you will manage the risk library and provide guidance to promote consistency in risk assessment and management across the organization. In collaboration with other functional leads, you will assist in developing the clinical monitoring strategy and applying Risk-Based Quality Management (RBQM) principles to various functional plans. Training will also be part of your role, as you will educate the study team on risk assessment and the clinical monitoring strategy.

Role overview zooplusse seeks a Lead Shop Operations professional to guide the operational strategy for its Ecommerce platform in Krakow. The main focus is to ensure a seamless online shopping experience while refining key processes throughout the store. What you will do Shape and execute operational plans for the online shop Collaborate with teams across the company to improve efficiency and streamline workflows Lead projects that enhance customer satisfaction Identify and implement improvements in Ecommerce operations Impact This role offers the chance to lead important projects and influence how customers interact with zooplusse’s Ecommerce shop.

We are seeking an experienced Engineering Manager to join our dynamic team at ActiveCampaign. In this role, you will lead a talented group of engineers, fostering a culture of innovation while driving the development of cutting-edge solutions.Your responsibilities will include mentoring team members, overseeing project timelines, and collaborating cross-functionally to ensure alignment with business goals. You will play a crucial role in shaping our engineering practices and enhancing team performance.

Hello! We are Liven, creating a global ecosystem of self-regulation products that empower individuals to disengage from emotional autopilot and cultivate healthier relationships with themselves.Within our ecosystem, you will find:Self-discovery companion — an application embraced by over 2.5 million users, offering a space for personal exploration through AI coaching, mood tracking, auditory practices, and bite-sized learning.Online Coaching — sessions with certified experts to navigate complex situations.Supplements — for physical recovery and bodily 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 desire to ask questions, dig deeper, and not shy away from the unknown.Our passion lies in creating products and solutions that genuinely help. Our curiosity and experimental culture exist to discover better ways to support individuals on their self-discovery journey.Currently, we are seeking a Data Engineer / Analytics Engineer at Liven.In this role, you will be responsible for establishing a robust data foundation for the company, designing storage architecture, and delivering high-quality, ready-to-use data to analytics teams.Challenges you will face include:— Seamlessly providing analytics teams across various business domains (marketing, product, operations) with necessary data through stable integrations (using Airbyte and custom solutions);— Organizing long-term DWH architecture (developing data layers, modeling, ensuring data integrity);— Developing and optimizing our ELT processes and data transformations within BigQuery using Dataform, as well as implementing robust process orchestration (with plans to transition to Airflow/Astronomer);What is important to us:— Excellent SQL knowledge and a deep understanding of modern data warehouse concepts;— Practical experience with cloud data ecosystems (ideally GCP, BigQuery) and data transformation tools (Dataform/dbt);— Strong analytical skills and a proactive approach to problem-solving.

NFQ serves as a pivotal technology partner for HomeToGo, where a passionate team of software engineers and data science experts spearheads the innovation that fuels a marketplace showcasing the world’s largest selection of vacation rentals. As we expand HomeToGo’s tech team in Lithuania, we are on the lookout for top-tier talent to join our dynamic organization.HomeToGo, the premier marketplace for vacation rentals, boasts millions of listings from trusted partners like Booking.com, Vrbo, and TripAdvisor. Whether you’re searching for vacation homes, cabins, beach houses, apartments, condos, houseboats, castles, or farm stays, HomeToGo seamlessly integrates pricing, destination, dates, and amenities to help travelers find their ideal accommodation for any journey around the globe.Established in 2014, HomeToGo operates localized applications and websites in 25 countries across Europe, North America, South America, Australia, and Asia-Pacific. The company's portfolio also includes recognizable brands such as Agriturismo.it, AMIVAC, Casamundo, CaseVacanza.it, e-domizil, EscapadaRural, Tripping.com, and Wimdu.We are seeking a Senior Software Engineer (PHP) to join our Distribution Team, responsible for developing systems that connect HomeToGo with a multitude of partners—from individual agents to major industry players like Google, TUI, and Amadeus. In this role, you'll design and maintain diverse channels that fuel our growth, integrating our B2B tools and public channels into a cohesive, high-performance ecosystem that distributes millions of vacation rentals worldwide. You will collaborate with a team of PHP and React (TypeScript) Software Engineers focused on delivering self-service software projects with a strong emphasis on data quality. Our engineers engage throughout the entire software lifecycle and work with a wide array of technologies. Moreover, you will be part of a supportive team of intelligent, dedicated, and driven individuals who make the workplace enjoyable.

nfq is hiring a Senior PHP Software Engineer in Krakow. This position centers on building, maintaining, and improving software solutions using PHP. The work involves hands-on development with a focus on quality and reliability. Role overview This role calls for experience with PHP to support the full software lifecycle. The Senior PHP Software Engineer will contribute to both new development and ongoing enhancements of existing systems. Collaboration Work closely with colleagues from different teams to ensure products align with client needs. Communication and teamwork are important aspects of this position. What you will do Develop and maintain PHP-based software Enhance existing solutions for better performance and stability Collaborate with cross-functional teams on project delivery

Join ARQ as a Senior Platform EngineerARQ stands at the forefront of the fintech revolution, transforming how individuals manage their finances on a global scale. We are dedicated to creating seamless and innovative solutions that empower users to interact with money without borders. As one of the fastest-growing companies in our sector, we offer a thrilling opportunity for talented individuals to significantly impact our culture, product, and expansion.If you are passionate about tackling substantial challenges and aspire to be part of a world-class team, ARQ is the ideal place for you!Your RoleWe seek an exceptional, hands-on Senior Platform Engineer who approaches infrastructure development with a software engineering mindset. Our engineering ethos emphasizes fully type-safe, declarative, and testable infrastructure as code. We invite engineers who share our values to apply.The perfect candidate will exhibit a fervent passion for programming, possess extensive knowledge, and demonstrate the ability to delve into any technical area necessary to empower our product engineering team to deliver unparalleled financial management solutions.You will design and implement high-quality automated systems to manage a multitude of backend services and databases across various Kubernetes clusters, processing thousands of data jobs and CI/CD builds weekly. If this excites you, we want to hear from you!Key ResponsibilitiesDesign and implement a secure, highly available infrastructure that supports a modern, rapidly growing financial services firm.Facilitate the rapid deployment of new infrastructure for our product engineering team through the thoughtful creation of shared Infrastructure as Code libraries, CLI tools, and coding patterns.Identify and resolve infrastructure issues and opportunities in collaboration with the broader engineering team.Strategize and execute infrastructure change rollout techniques, continuously integrating best practices and security enhancements.Oversee multi-region infrastructure and deployments to ensure compliance with security and availability standards.Develop, maintain, and optimize high-volume CI infrastructure and reusable pipeline templates for a microservices architecture.Implement GitOps workflows for declarative application deployments.

About TripadvisorAt Tripadvisor, we believe in connecting travelers with experiences that are truly worth sharing. As a leading global platform, we are committed to becoming the most trusted source for travel guidance, enabling people to find the best accommodations, restaurants, and activities through our comprehensive range of brands including Tripadvisor, Viator, and TheFork.Our Experiences Engineering team, distributed across Europe, is pivotal in managing our platform and mobile applications, along with their supporting infrastructure. We create the systems that empower operators to enhance their businesses and facilitate third-party access to our diverse inventory. Our tools are designed to support our customer service teams in delivering exceptional service to travelers and operators around the globe.We are currently seeking a Software Engineer I to join our dynamic and expanding team. This position is available to candidates situated within a reasonable commuting distance (generally within 1.5 hours) of our Kraków office. We embrace a flexible work model that prioritizes remote work while also valuing essential in-person collaboration moments, including periodic gatherings at your nearest office for team engagement and planning.At Tripadvisor Experiences, we foster a friendly and enjoyable work environment focused on achieving results. Our engineers collaborate closely with product managers and designers throughout the entire software development lifecycle—from conceptual design to coding, testing, deployment, and beyond. Most of our engineers push code to production every few days, participating in a daily release cycle.Our engineers thrive on versatility, tackling a variety of technical challenges. This role has a backend focus, with opportunities to engage in frontend projects occasionally. While a willingness to learn is crucial, prior expertise in frontend development is not required; we provide training on that aspect during your onboarding process.The technologies we utilize include Java, React, TypeScript, GraphQL, Kubernetes, SQL, and NoSQL databases, all running on AWS infrastructure.

Join ActiveCampaign as a Senior Data Software Engineer, where your expertise in high-quality software engineering will shape our data management landscape. In this pivotal role, you will architect advanced data systems and uphold stringent best practices to ensure our platforms are both resilient and scalable. Your responsibilities will encompass designing and developing the software necessary for seamless data movement and management across our organization.

Saily is changing how travelers access mobile data, removing the need for roaming fees and physical SIM cards. The platform delivers fast, secure connectivity in more than 200 destinations, serving millions of customers and supporting hundreds of thousands of travelers worldwide. The Senior iOS Engineer role at Saily in Krakow centers on building solutions that directly address customer needs, from initial concept through to production. The team works within an AI-native Product Engineering environment, where engineers have access to AI agents that automate routine tasks. This approach frees up time for deeper, more meaningful work and encourages everyone to suggest and implement improvements. How the team works Engineers handle the full cycle of product development, solving real customer problems. AI tools automate repetitive work, letting engineers focus on high-impact tasks. Continuous improvement is expected and supported, team members regularly propose and drive changes. Curiosity and sharing knowledge are valued parts of the culture. The main goal is to create a smooth, reliable experience for travelers using Saily. Culture and values Saily puts growth, contribution, and impact first. The company values autonomy and provides context and AI-powered tools so engineers can do their best work, rather than focusing on hierarchy or rigid processes.

Tripadvisor helps travelers find experiences, advice, and options for any journey. Through brands like Tripadvisor, Viator, and TheFork, the company supports millions in discovering places to stay, activities to try, and restaurants to visit. Its platforms connect a global audience with travel content, recommendations, and marketplaces for experiences, lodging, and dining. Role overview The Senior Engineering Manager will join the Tripadvisor Experiences team, known as Viator. Viator provides access to over 400,000 experiences worldwide, from guided city tours to outdoor excursions. The team focuses on making it easy and reliable for travelers to plan and book memorable activities. Location and contract This is a hybrid role based in Krakow. The position is offered as a permanent employment contract. B2B contracts are not available for this role.