Level 3 Application Support Engineer (Telecommunications)

Role overview This Level 3 Application Support Engineer position at SoftwareMind centers on supporting complex software applications for clients in the telecommunications industry. Based in Warsaw, the role addresses advanced technical issues and helps maintain strong performance and reliability standards across client systems. What you will do Investigate a…

Join EcoVadis as a seasoned Application Support Manager to spearhead and expand our L2/L3 Support Engineering functions across four tribes. In this role, you will oversee a diverse team of approximately 12 Support Engineers situated in Poland, Malaysia, Mauritius, and Mexico, utilizing a follow-the-sun model to provide continuous support (24/5) at the tribe level.Your primary responsibility will be to manage the comprehensive support operating model, ensuring seamless coordination between Customer Care (L1), Support Engineering (L2/L3), and Engineering Squads (L4). Your mission is to cultivate a high-performance, metrics-oriented support organization that collaborates effectively with tribes and squads, breaking down silos and ensuring complete accountability for platform reliability and customer satisfaction.You will report directly to the VP of Engineering.Key Responsibilities:1) Lead and develop a high-performing distributed team:Oversee and mentor a team of ~12 L2/L3 Support Engineers, focusing on hiring, onboarding, coaching, performance management, and operational excellence.Establish and maintain regular operational cadences, including daily triage, weekly KPI assessments, monthly operational reviews with tribe leadership, and quarterly improvement planning.2) Own the support operating model, processes, and governance:Manage the L1-L4 support structure: triage/routing, escalation procedures, SLAs/OLAs, severity levels, and communication protocols.Drive cross-functional initiatives aimed at improving processes, tools, knowledge sharing, and automation, ensuring consistent execution across tribes.3) Drive metrics, transparency, and continuous improvement:Develop and implement an operational KPI system, along with dashboards and review processes; ensure visibility into service health, risks, and trends, including metrics such as time to first response, resolution time, SLA/OLA compliance, backlog management, escalation rates, and more.4) Enhance observability, monitoring, runbooks, and operational readiness:Improve alerting and monitoring quality and coverage, along with runbooks/playbooks in collaboration with Engineering/Platform teams.Strengthen diagnostic processes and knowledge management to minimize repetitive issues and expedite L4 resolutions.5) Foster stakeholder management and alignment across tribes/squads:Collaborate with Tribe leadership, Engineering Managers, Tech Leads, and Customer-facing teams to align priorities and implement improvements.Ensure that Support Engineering and Squads function in synchronized harmony, promoting shared accountability and reducing friction between L2/L3 and L4.

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 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, insightful travel guidance, and a dynamic marketplace for various travel-related services including experiences, accommodations, and dining. About the Role Are you poised to spearhead the transformation of application support within a vibrant travel technology firm? We are on the lookout for a seasoned Principal Application Support Engineer to define technical strategies, advocate for operational excellence, and implement comprehensive solutions for our intricate customer-facing systems. This position is open to candidates within a reasonable commuting distance (typically 2-3 hours) from our Kraków office. We value flexibility in work arrangements while also cherishing the importance of in-person collaborations. Expect a remote-first working environment supplemented by periodic face-to-face meetings at your nearest office for team bonding, planning, and critical discussions. Responsibilities Troubleshoot and rectify high-impact, complex application issues, acting as the primary technical liaison for external partners and ensuring comprehensive solutions. Lead incident responses for critical system issues, perform root cause analyses, and propose process enhancements to mitigate future occurrences. Guide the team in the adoption and optimization of AI-driven diagnostics, trend analysis, and automated support processes. Mentor support engineers at all levels, providing training and fostering technical development through effective coaching, feedback, and knowledge sharing. Create, evaluate, and oversee technical documentation and support tools, establishing team-wide standards for quality and continuous improvement. Manage complex escalations, working collaboratively with engineering, product teams, and third-party vendors to achieve resolution. Influence product strategy by identifying recurring issues and collaborating on enhancements to user interface and system design.

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 Bolt's Customer Support Automation team as a Staff Backend Engineer specializing in AI Applications. In this pivotal role, you will design and architect the foundational AI agent infrastructure that supports our automation solutions. Leverage your expertise to create multi-agent orchestration frameworks, execution engines, and evaluation pipelines that scale our Customer Support operations. If you are enthusiastic about agentic AI, distributed systems, and building high-performance platforms, this position is tailored for you.

Bolt is looking for a Senior Staff Machine Learning Engineer for AI Applications to join the Customer Support Product team in Warsaw, Poland. This position centers on improving the quality and effectiveness of AI automation within customer support. Role overview This engineer will play a central role in shaping how Bolt evaluates and integrates large language model (LLM)-based systems. The work involves driving improvements in knowledge quality and retrieval, and building feedback processes that strengthen automated support solutions. What you will do Lead initiatives to assess and align LLM-based AI systems for customer support. Enhance the quality and accessibility of knowledge used by automation tools. Develop and refine feedback loops to support continuous improvement in AI-driven support automation. Who this role suits This position is well suited for those with a strong background in applied machine learning, knowledge systems, and a focus on real-world AI product enhancements.

Our Mission and VisionAt Solidgate, we are driven by a clear mission: to empower exceptional entrepreneurs in building remarkable internet companies. Our goal is to support the builders—those who are defining the digital economy—by providing them with the financial infrastructure they truly deserve. We are ambitiously pursuing our vision to become the world’s leading payments orchestration platform.We believe that the future of payments is shaped by individuals who think big, take ownership, and infuse curiosity and drive into their work. This is the kind of talent we are eager to welcome aboard.About the RoleSolidgate is committed to building a robust financial infrastructure for rapidly growing internet businesses across the globe. Our platform processes millions of payments daily and operates within a highly regulated fintech landscape where security is an integral product requirement—far more than an afterthought.Our engineering team is responsible for constructing and scaling a sophisticated cloud-native platform comprising over 120 microservices. As we continue to expand, we are enhancing our security framework by introducing a dedicated Application Security Engineer position.In this role, you will be pivotal in safeguarding our business and revenue by integrating security into the software development process—starting from initial design decisions through to CI/CD pipelines and live production systems.This position is hands-on and focuses on embedding security within the software development lifecycle while minimizing real product risks.You will collaborate closely with engineering teams to:Design secure application architecturesEnhance secure coding practicesIdentify vulnerabilities early in the development lifecycleContinuously advance application security as a routine aspect of engineering workYour contributions will directly influence the security of software development across a large microservices ecosystem, impacting standards, tools, and the overall engineering culture.Explore our technology stack here.

Join 42dot as a Car Infotainment Application Engineer and be an integral part of shaping the future of automotive technology. You will work with cutting-edge technologies to develop innovative infotainment solutions that enhance user experiences in vehicles.

At Veeam Software, we are committed to being the leading Data and AI Trust Company. Our focus is on empowering organizations to effectively manage, secure, and understand their data and AI capabilities, ensuring resilience and enabling safe AI scalability. As pioneers in data resilience and security posture management, we are strategically positioned at the intersection of identity, data, security, and AI risk. With our headquarters in Seattle and a presence in over 30 countries, we proudly protect more than 550,000 customers globally, earning their trust to keep their operations running seamlessly. Join us in our journey to innovate and make a significant impact for some of the world's most prominent brands.About the RoleAs a Lead Application Security Engineer (Offensive Testing), you will spearhead penetration testing and Dynamic Application Security Testing (DAST) for our Veeam Data Cloud offerings. Utilizing Burp Suite and the latest web/API testing methodologies, you will identify genuine exploitable vulnerabilities, prioritize risks, and collaborate closely with engineering teams to ensure effective remediation.Your role will also involve enhancing testing tools and methodologies to streamline processes, helping teams avert recurring vulnerabilities, particularly in areas such as authentication, authorization, session management, and tenant isolation.What You’ll DoLead offensive testing initiatives: strategize the scope, depth, and frequency of tests; generate clear, consistent reports, and develop reusable playbooks.Conduct manual penetration testing (primary focus): assess web applications and APIs, especially around authentication/authorization, multi-tenant boundaries, and critical workflows; simulate realistic attack paths by chaining vulnerabilities.Utilize Burp Suite on a daily basis: replicate and validate findings using advanced features; create and maintain repeatable scopes, macros, and authenticated flows.Enhance and execute DAST processes: perform and refine authenticated scans, minimize false positives, and collaborate with CI/platform teams to scale scanning efforts and manage credentials efficiently.Drive vulnerability remediation: produce high-quality documentation, partner with engineering teams for fixes and retesting, and assist in preventing regressions; ensure that findings are logged with appropriate severity and SLAs.Contribute to long-term security improvement: identify recurring patterns and collaborate with teams to establish prevention strategies through standards, libraries, platform controls, and contributions to threat modeling/design reviews.What You’ll BringRobust experience in web and API penetration testing, with a strong emphasis on authorization vulnerabilities (IDOR/BOLA, privilege escalation, etc.).

Join our dynamic team as an IT Support Engineer at inetum2, where you will play a crucial role in ensuring the smooth operation of our IT infrastructure. You will be responsible for providing technical support, troubleshooting issues, and assisting with the implementation of new technologies. Your expertise will help us maintain high service standards and enhance user satisfaction.

SmartRecruiters seeks a Technical Support Engineer located in Poland. This position centers on assisting clients with technical issues, guiding them to make the most of SmartRecruiters products, and ensuring a reliable user experience. The role involves troubleshooting, problem-solving, and direct support for users. Key responsibilities Respond to client inquiries and handle technical support requests Diagnose and troubleshoot software or system-related problems Work with clients to help them use SmartRecruiters products effectively Resolve issues efficiently to maintain a positive client experience Requirements Background in technical support or a similar field Strong skills in problem-solving Interest in technology and assisting others Residence in Poland

Join our dynamic team as an IT Support Engineer in Warsaw! You will play a crucial role in providing technical support and ensuring the smooth operation of IT services within the organization. This position offers an excellent opportunity for growth and professional development in the thriving tech industry.

D-ploy is a premier IT and Engineering Solutions provider operating across the EMEA region, including countries such as Switzerland, Germany, the Czech Republic, Austria, the UK, and the USA. We pride ourselves on delivering innovative IT services and solutions to industry-leading clients, with a focus on reliability, efficiency, and fostering long-term partnerships that enhance IT productivity and business value.We are currently seeking an IT Onsite Support Technician to provide essential support to end-users in a professional and regulated environment located in Warsaw.Key Responsibilities:Deliver first and second level IT support for hardware, software, mobile devices, and peripherals.Serve as the primary onsite contact for end-user IT issues.Troubleshoot incidents and service requests through the ticketing system (ServiceNow).Provide prompt and professional user support both desk-side and remotely.Accurately document all activities and resolutions in the ticketing system.Assist with IT onboarding for new employees, including equipment setup and user guidance.Maintain and contribute to the knowledge base documentation.Support continuous service improvement initiatives.

Socket Technologies seeks a Technical Support Engineer located in Poland. The main focus of this position is to assist customers in solving technical issues and help them use the company's technology solutions effectively. Key responsibilities Troubleshoot technical problems that customers report Offer clear solutions and step-by-step guidance Support efforts to improve user satisfaction with Socket Technologies products Location This role is based in Poland.

Engage in continuous collaboration with Business Analysts throughout all phases of implementation projects (Design, Build, Test, Hyper Care) utilizing the SCRUM framework.Configure the Ivalua Buyer application based on the specifications provided by Business Analysts.Prepare and conduct Unit Tests to ensure application functionality.Perform System Integration and/or Regression Tests to validate system performance.Analyze and troubleshoot system bugs to ensure optimal performance.Assist the project team in creating project documentation as required by the Client.

At Superhuman, we embrace a dynamic hybrid working model, allowing team members to enjoy both focused work time and collaborative in-person interactions. This approach promotes trust, innovation, and a robust team culture.We are seeking candidates who are based in Warsaw to join our team.About SuperhumanSuperhuman, now part of Grammarly, is an AI-driven productivity platform dedicated to unlocking the superhuman potential in everyone. Our suite of applications and agents integrates AI into daily workflows, connecting with over 1 million tools and websites. Our offerings include Grammarly's writing assistance, collaborative workspaces from Coda, Mail's inbox management, and Go, a proactive AI assistant that intuitively understands context to provide automatic support. Established in 2009, Superhuman empowers over 40 million users, 50,000 organizations, and 3,000 educational institutions globally to eliminate busywork and concentrate on what truly matters. Discover more at superhuman.com and learn about our values.The OpportunityTo reach our ambitious goals, we are looking for a Technical Support Specialist to join our Support Engineering team within the Customer Care department. This role is pivotal in transforming customer experiences through innovative care.In this position, you will play a crucial role in enhancing Superhuman's and Coda's product offerings, contributing to customer retention and revenue growth by navigating the technical landscape.As a Technical Support Specialist, your responsibilities will include:Delivering timely, empathetic, and solution-oriented support, prioritizing user needs in every interaction.Addressing account, subscription, and product inquiries with precision, efficiency, and ensuring a seamless user experience.Troubleshooting technical issues related to Superhuman's and Coda's products, guiding users to effective resolutions through email and live chat.Reproducing and escalating technical issues to engineers, thereby enhancing the overall user experience.Occasionally conducting calls with Enterprise customers to diagnose and resolve complex issues related to SSO, SCIM, or enterprise deployments.Ensuring a smooth, frustration-free support experience for users.

We are seeking a dynamic Senior Engineering Manager to lead a team of skilled engineers dedicated to developing cutting-edge AI-powered applications and infrastructure. In this pivotal role, you will engage in hands-on leadership, dividing your time between technical execution, strategic planning, and effective people management.You will oversee the entire employee lifecycle, from hiring and onboarding to performance evaluations, promotions, and, when necessary, offboarding. Cultivating a high-performing and motivated team culture is crucial to your success. You will work in close collaboration with fellow engineering managers, data scientists, and key stakeholders to ensure timely project delivery, maintain high technical standards, and align team objectives.Key Responsibilities:Lead and nurture a team of engineers through mentorship, coaching, and career development.Manage all aspects of team administration: hiring, performance evaluations, salary negotiations, and feedback processes.Establish priorities and drive the execution of AI-focused features and components.Serve as a liaison between engineering and business units, ensuring transparent communication and alignment.Promote operational excellence by implementing continuous improvements in CI/CD, monitoring, observability, and performance metrics.Collaborate on project roadmaps, architectural decisions, and overarching technical strategies.

About InfiterraJoin our mission to revolutionize the subscription economy by streamlining subscription service delivery.Infiterra empowers IT distributors, Managed Service Providers (MSPs), and telecommunications companies to thrive in the subscription economy. Our cutting-edge subscription commerce platform automates and integrates subscription workflows—from quoting to billing—enhancing operational efficiency, ensuring billing accuracy, and facilitating scalable growth.As a globally recognized leader in subscription commerce, Infiterra fuses innovation, outstanding performance, and reliable expertise to assist partners in their transformation and growth journeys.About the RoleWe are seeking a dynamic Senior Application Security Engineer to incorporate security into our software design, development, and operational processes. This role is not an afterthought; it’s an integral part of our daily engineering practice. You will collaborate closely with our product and engineering teams to identify risks early, enhance secure-by-design practices, and elevate our application security standards. This is a hands-on AppSec role: engaging with code, architecture, and deeply integrated into the Software Development Life Cycle (SDLC). While Infiterra’s headquarters are in Thessaloniki, Greece, this position is completely remote.What You’ll DoIntegrate Security into the SDLCIncorporate security activities throughout all phases of the SDLC: requirements, design, implementation, testing, deployment, and maintenance.Work closely with engineering teams to ensure consistent application of secure development practices.Evaluate security controls for new features, services, and architectural modifications.Threat Modeling & Secure DesignFacilitate threat modeling sessions (e.g., STRIDE) for both new and existing systems.Identify threats, attack vectors, misconfigurations, and insecure design patterns.Collaborate with engineers to ensure adherence to secure-by-design principles.Secure Code & Architecture ReviewsConduct security-focused code reviews to detect vulnerabilities and risky implementations.Provide clear, actionable guidance on secure coding patterns and best practices....

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.