Application Support Engineer - Level 1

Location: Sofia OfficeCompany: LivePerson Inc. About LivePerson LivePerson Inc. (NASDAQ: LPSN) helps leading brands connect with consumers through its Conversational Cloud platform. Companies such as HSBC, Chipotle, and Virgin Media use LivePerson to facilitate millions of interactions every month. The platform supports nearly a billion conversational exchanges monthly, using extensive datasets and advanced safety features to improve customer experience with Conversational AI. Role Overview The Senior Support Engineer serves as a technical expert for customers in the EMEA region. This role focuses on resolving complex technical issues, mentoring teammates, and acting as a bridge between customers and internal product teams. What You Will Do Address advanced technical concerns from customers across the EMEA region. Diagnose and resolve complex problems for global clients, aiming for high customer satisfaction. Take ownership of escalated support cases and resolve advanced technical challenges. Develop subject matter expertise in specific technical areas or platform features, and work with product developers to improve support tools and troubleshooting methods. Act as the main support liaison between customers, Product Management, Engineering/R&D, and other business units. Share customer feedback with development and service teams to address recurring issues. Mentor and train team members to handle technical escalations, reducing the need for further escalation. Analyze pain points and recurring issues, and help refine processes and requirements for better support tools and solutions. Lead or contribute to internal projects within the Support organization.

Role Overview At bunq, the Senior Experience Support Guide helps shape how users experience support. This role focuses on delivering quick, reliable, and thoughtful assistance, always aiming for real solutions rather than short-term fixes. By combining empathy with efficiency, the guide builds genuine trust with users. The position also involves improving support processes, making smart use of AI, and helping the team perform at its best. Main Responsibilities Deliver support that meets high standards for both speed and quality of resolution. Investigate issues thoroughly, looking for root causes and implementing lasting solutions. Continuously improve support operations by streamlining workflows and refining escalation paths, including the use of automation where it makes sense. Apply AI tools and analyze data to increase efficiency and anticipate user needs. Coach and mentor junior team members, sharing knowledge and raising overall team performance. Communicate complex topics in clear, reassuring language that matches bunq’s tone. Ensure every interaction demonstrates empathy, personal responsibility, and a strong commitment to excellent service. Location This position is based in Sofia, Bulgaria.

About 3E 3E is dedicated to building a safer and more sustainable world. With more than 35 years in the field, the company operates across North America, Europe, and Asia. 3E delivers regulatory insights and technology to over 5,000 clients, helping them navigate chemical, product, and supply chain compliance. The team combines domain expertise with AI-driven solutions to support faster, more reliable compliance outcomes. Role Overview The Senior Customer Support Specialist joins the Customer Experience team in Sofia, Bulgaria. This position focuses on complex software and customer challenges, not routine high-volume support. The role involves collaborating with Product, Engineering, and Customer Success teams to address intricate issues, analyze data and system behavior, and drive lasting solutions. Serving as a key connection between customers and internal teams, this specialist takes ownership of issues from investigation through resolution. The work includes troubleshooting, interpreting technical information, and ensuring customers get the most value from 3E’s configurable platform. What You Will Do Handle complex customer inquiries, taking responsibility from analysis through to resolution Work closely with Product, Engineering, and Customer Success teams to resolve issues and improve processes Troubleshoot software and system behavior, interpret data, and implement sustainable solutions Champion customer satisfaction and support workflow improvements, including the use of AI tools Balance multiple tasks and manage high-pressure situations with professionalism and empathy Contribute to a collaborative, knowledge-sharing team environment in Sofia What We Look For Technical curiosity and a willingness to explore system operations Strong communication skills, both written and verbal Ability to manage complex or challenging situations calmly and professionally Adaptability and openness to change Experience collaborating across departments to solve problems Interest in process optimization and learning new tools Team and Growth This role is part of a supportive, close-knit team based in Sofia. The position offers broad exposure to different business areas, making it a strong fit for those interested in developing skills in product development, systems, and process improvement.

Yotpo is at the forefront of transforming trust and loyalty in the eCommerce landscape. Leveraging AI-driven Reviews and Loyalty solutions, we empower brands to convert casual browsers into dedicated customers and advocates. With trusted integrations across the eCommerce ecosystem and a robust network of over 30,000 global brands, Yotpo delivers unparalleled omnichannel experiences that enhance conversion rates, foster customer relationships, and drive sustainable growth.Our mission is to help brands cultivate lifelong customer loyalty through innovative reviews and loyalty solutions.We operate globally, with teams in the US, Canada, UK, Israel, Bulgaria, and Australia, and we are continually expanding. Our primary focus is to provide the best technology available in the industry.Excited to learn more? Check out our latest brand video.If this sounds appealing to you, keep reading—we are on the lookout for top talent!About the RoleAs a Tier 2 Technical Support Engineer, you will be an integral part of our global support team. Your responsibilities will include addressing complex technical challenges, serving as a pivotal escalation point for the support team, and collaborating closely with Product and R&D teams to identify root causes and develop effective long-term solutions.This position extends beyond merely resolving tickets; we seek an individual who demonstrates strong ownership, sound judgment, and the capability to bring clarity to complex situations. You will help identify systemic issues, enhance support operations, and contribute to the broader team’s growth through knowledge sharing, mentorship, and cross-functional collaboration.

Join devexperts as a Senior Systems/Networks Engineer (Tier 3) where you will play a crucial role in managing and optimizing our network and systems infrastructure. You will be responsible for troubleshooting complex issues, implementing scalable solutions, and collaborating with cross-functional teams to enhance system performance and reliability.

We are seeking a highly skilled Senior System Engineer to join our innovative team at Mangroup. In this role, you will be responsible for designing, implementing, and maintaining complex systems that meet the evolving needs of our clients. Your expertise will contribute to the development of cutting-edge solutions, ensuring optimal performance and reliability.As a Senior System Engineer, you will collaborate with cross-functional teams to drive projects from conception to deployment. You will leverage your technical knowledge and problem-solving abilities to tackle challenges and deliver exceptional results.

At SumUp, we recognize that small businesses are the driving force behind Europe's economy. Our mission has always centered around empowering these businesses to flourish. We are now embarking on an exciting new venture: a stablecoin designed to ensure payments are instant, cost-effective, and fully compliant with regulations.This is a unique opportunity to contribute to a product that sits at the convergence of fintech, cryptocurrency, and regulatory compliance, supported by a profitable organization that serves over 4 million merchants across 35+ markets.What’s the opportunity?We are seeking a Senior Backend Engineer who is passionate about building innovative solutions from the ground up. This role is ideal for someone who thrives in fast-paced environments and desires to enhance their technical skills in a high-impact field. You will collaborate closely with our Staff Engineer and cross-functional teams to bring our stablecoin project to fruition.This newly created position is pivotal for a high-priority project. It entails a dynamic, complex environment filled with learning opportunities, perfect for an individual who enjoys tackling challenging problems and delivering high-quality code.Your responsibilities will include:Building from the ground up: Participate in technical discovery and MVP development for SURO, coding daily in Kotlin or Go.Designing reliable systems: Assist in creating high-SLA, service-oriented systems that integrate with our ledger, reconciliation, and treasury platforms.Delivering quality: Write clean, maintainable code with a focus on reliability, security, and observability.Collaborating across teams: Work alongside Product, Finance, Legal, and Banking teams to ensure features comply with regulatory standards.Expanding your skills: Learn from seasoned engineers and deepen your expertise in payments, compliance, and blockchain technologies.Owning features end-to-end: Take full responsibility for specific components from design through deployment and monitoring.

Your Role:Craft sophisticated data engineering solutions that facilitate data analysis and deliver on-demand insights.Design and implement scalable, cloud-native data platforms and pipelines tailored for both structured and unstructured data.Develop robust ETL/ELT pipelines utilizing cutting-edge cloud-native services.Take the lead in architecting and refining complex multi-platform data architectures to enhance performance, scalability, and growth.Implement best practices in data quality, governance, lineage, security, and observability.Collaborate with analytics, product, engineering, and business teams to transform requirements into dependable, high-value data solutions.Provide technical mentorship and guidance, ensuring compliance with established engineering standards and quality protocols.Enhance and evolve data solutions using contemporary cloud technologies (such as S3, Redshift, Glue, or comparable services).You will report to the Data Modeller - Manager.

Ocadogroup is hiring a Senior Software Engineer in Sofia, Bulgaria. This position focuses on designing, developing, and implementing software solutions that support the company’s business goals. Role overview The Senior Software Engineer will work closely with colleagues from different teams to build and deliver products that align with customer needs. The role involves hands-on development and active participation in the full software lifecycle, from concept to deployment. What you will do Create and refine software designs to address business challenges Develop, test, and implement new features and applications Collaborate with cross-functional teams to ensure product quality Requirements Experience designing and building software solutions Ability to work collaboratively with colleagues from various disciplines Strong interest in technology and delivering results that make a difference

Role Overview Lifted An Upwork Company is hiring a Senior Web Software Engineer in Sofia. This position focuses on building and maintaining web applications that meet high standards for quality and user experience. The role involves hands-on design, implementation, and ongoing support of web projects. What You Will Do Design and develop web applications from concept through deployment Implement features that improve usability and performance Maintain and update existing web solutions as requirements evolve Collaborate closely with team members to deliver reliable results What We Look For Strong experience with web development technologies Commitment to writing clean, maintainable code Ability to work well with others and share knowledge Focus on delivering a smooth, effective user experience

About the Role Entain is looking for a Senior Software Engineer with deep experience in Angular to help build and improve software that shapes our user experience. This position is based in Sofia. What You Will Do Develop and maintain Angular applications that support our products and services Work closely with engineers and designers to solve technical challenges Contribute to decisions that improve code quality and user experience Help deliver reliable, high-quality software in a collaborative environment Who We’re Looking For Strong background in Angular and front-end development Experience working on complex software projects Comfortable collaborating with cross-functional teams Motivated to make a real impact on products and users

Join Our Mission to Empower Wealth BuildingAt Trading 212, we are transforming the landscape of trading and investing. Our innovative products are designed to empower individuals to build their wealth effectively.We believe that a culture rooted in excellence and rapid innovation is essential to our success.With over 4.5 million clients and more than €30 billion in assets under management, we have quickly established a reputation for scale and trust in the financial industry.Your ResponsibilitiesArchitect and implement dynamically scalable, self-healing infrastructure and applications across public and private cloud platforms.Continuously enhance and automate infrastructure designs to boost resilience and scalability.Utilize IaaS automation tools such as Terraform, AWS CloudFormation, and Ansible.Facilitate the migration of environments from on-premise infrastructure to AWS/GCP.Analyze application and infrastructure KPIs, proactively identifying and addressing bottlenecks and potential issues.Design infrastructures that ensure zero downtime.Drive continuous performance improvements and troubleshoot critical components.Engage in knowledge sharing with colleagues to foster growth as the company evolves, valuing honest feedback as a crucial tool for success.Required QualificationsProven expertise in public cloud platforms, specifically AWS and GCP.In-depth understanding of DevOps principles and their practical application in various workflows; experience with CI/CD tools such as GitHub, GitLab, or Jenkins.Hands-on experience with containerization technologies and orchestration systems, including Docker, Kubernetes, EKS/ECS, and Nomad.Solid understanding of Infrastructure as Code practices using tools like Terraform and AWS CloudFormation.Experience in implementing and maintaining configuration management tools such as Puppet and Ansible.Expertise in relational databases including AWS RDS, MySQL/MariaDB/PostgreSQL, and TimescaleDB.Familiarity with messaging services like Amazon MSK, Amazon MQ, Kafka, and RabbitMQ.Strong proficiency in Python and Bash scripting.Preferred QualificationsExperience with on-premise private cloud infrastructure.

At Yotpo, we're at the forefront of revolutionizing trust and loyalty in eCommerce. Our AI-driven Reviews and Loyalty solutions empower brands to transform casual browsers into loyal customers and advocates. With deep integrations across the eCommerce landscape and the backing of over 30,000 global brands, Yotpo offers seamless omnichannel experiences that enhance conversion rates, strengthen customer relationships, and foster sustainable growth.As we innovate Yotpo's next-generation platform, we are also investigating how artificial intelligence can create smarter, more personalized eCommerce experiences. If you're passionate about leveraging AI technology alongside modern engineering practices, this position offers a unique opportunity to make a significant impact.In this role, you will be instrumental in developing and refining our platform, ensuring it is reliable, scalable, and serves as a robust foundation for subsequent product lines. You will face complex challenges, including constructing critical applications capable of efficiently managing large datasets and high data volumes.

Join the Global Bank tribe at SumUp, where we are developing the essential infrastructure and core services that empower our merchants with digital bank accounts. Our vision is to be the foremost banking partner for small merchants worldwide, delivering a seamless, straightforward, and affordable banking experience tailored to their unique needs.As a member of the Global Bank tribe, you will play a pivotal role in building SumUp's digital banking ecosystem. Collaborate within a diverse, autonomous, and cross-functional team that brings product ideas from concept to reality. Embrace the opportunity to work with talented colleagues from 32 different nationalities spread across cities like Cologne, Berlin, São Paulo, Sofia, London, and Vilnius, all driven by a shared commitment to ownership, purpose, and supporting small businesses in thriving.As a Senior Backend Engineer, you will take charge of enhancing and maintaining a high-throughput banking ecosystem for our merchants within the Global Bank Tribe. Your contributions will be instrumental in architecting and evolving our global banking platform, ensuring high availability, scalability, and observability across various regions. If you're eager to gain hands-on experience in building products for business accounts, card payments, and transfers across Europe and Latin America for SumUp's Global Bank, we invite you to embark on this exciting journey with us!

About Man GroupMan Group is a leading global alternative investment management firm dedicated to delivering superior performance for our sophisticated clients through our Systematic, Discretionary, and Solutions offerings. Leveraging exceptional talent and cutting-edge technology, our investment strategies encompass both single and multi-manager approaches, supported by extensive research and spanning public and private markets across major asset classes, with a strong emphasis on alternatives. We prioritize building deep partnerships with our clients, creating customized solutions to achieve their investment objectives for the millions of retirees and savers they serve.Headquartered in London, we manage $227.6 billion* and operate in numerous offices worldwide. Man Group plc is publicly traded on the London Stock Exchange under the ticker EMG.LN and is part of the FTSE 250 Index. For additional information, please visit www.man.com.* As of 31 December 2025The TeamOur team is currently experiencing significant investment aimed at optimizing the trading capabilities across AHL, Numeric, and Discretionary teams. The engineering team collaborates closely with the Trading Desk and the Execution Research team to design, develop, and maintain a world-class trading capability. We operate trading floors in London, Hong Kong, Boston, and New York, managing over $8 trillion annually.We are consistently broadening the markets, asset classes, and regions in which we trade while also diversifying our trading styles. Our team is tasked with creating innovative and adaptable software and tools to keep pace with these changes.

Join Experian as a Senior Data Analytics Engineer in Sofia, where you will play a pivotal role in transforming data into actionable insights. You will collaborate with cross-functional teams to design and implement robust analytics solutions that drive strategic decisions and enhance business performance.

About Man GroupMan Group is a leading global alternative investment management firm dedicated to achieving superior performance for our sophisticated clients through our Systematic, Discretionary, and Solutions offerings. Leveraging our talented team and advanced technology, we provide both single and multi-manager investment strategies that are deeply researched and encompass public and private markets across all major asset classes, with a particular emphasis on alternatives. Our partnership approach allows us to build strong connections with clients, tailoring our solutions to meet their investment objectives and those of the millions of retirees and savers they serve.Headquartered in London, we manage $227.6 billion* and have a global presence with multiple offices. Man Group plc is publicly traded on the London Stock Exchange under the ticker EMG.LN and is part of the FTSE 250 Index. For more information, visit www.man.com.* As of December 31, 2025The TeamWe are thrilled to offer an opportunity for a Senior Database Platform Engineer to join our dynamic team of skilled Engineers and DBAs responsible for managing our Oracle, PostgreSQL, MongoDB, and SQL Server database estate.The team handles the daily support and administration of these databases, including engineering and all related projects. This role requires close collaboration with other Infrastructure teams, developers, and end users to ensure optimal database functionality.Additionally, this position provides the chance to work with cutting-edge technologies such as Docker and Kubernetes, alongside exposure to DevOps practices for automation, real-time monitoring, and metrics collection utilizing the latest open-source tools like Grafana and InfluxDB.

Join the Global Bank tribe where we are revolutionizing the banking infrastructure for merchants. Our mission is to empower small merchants worldwide with a digital business account that simplifies their banking needs, making us the go-to banking partner for them.As a Senior Backend Engineer, you will play a pivotal role in transitioning from fragmented regional systems to a unified global infrastructure, enabling millions of merchants to access seamless banking services tailored to their needs.Your expertise will be crucial in designing and developing a fully distributed, event-driven system that is resilient and compliant across multiple regions.In this role, you will primarily work with Kotlin while having the opportunity to engage with Elixir and Golang. We embrace Extreme Programming methodologies, focusing on small iterations, daily deliveries, and prioritizing technical design quality and deep problem-solving.Our technology stack includes Kotlin, Golang, Elixir, Java, AWS, Kafka, PostgreSQL, and Kubernetes, leveraged by observability tools such as Prometheus, Grafana, and Honeycomb. Additionally, we utilize AI-assisted development tools including Cursor and GitHub Copilot.

Join our dynamic team at CyberArk as a Senior Software Engineer specializing in Python. In this role, you will be instrumental in designing and developing cutting-edge software solutions that secure the world's most sensitive data.We are looking for a passionate engineer who thrives in a collaborative environment and is eager to tackle complex challenges. Your expertise will help drive innovation and enhance our product offerings.