Senior Backend Engineer - Proxy Infrastructure & Unblocking

Apify builds tools that let people and organizations automate online tasks, extract web data, and use AI agents to get more done. The company believes that repetitive digital work, like filling out forms, copying data, or searching for visual details, should be handled by machines so people can focus on more meaningful problems. Web automation helps users in practical ways: some automate unsubscribing from services to save money, others collect large datasets for AI training, consumer protection, or even tracking missing children. Apify also supports AI chatbots with relevant data and explores new ways to connect with generative AI platforms. To keep advancing this mission, Apify is hiring a Senior Backend Engineer focused on proxy infrastructure and unblocking. This role is based in Prague. What You Will Do Design and build bots that imitate real user actions to automate online processes. Work closely with a small, skilled team of developers. Improve Apify Proxy and related backend technologies. About the Role As anti-bot systems evolve, Apify needs to keep its scraping infrastructure ahead of the curve. This engineer will strengthen Apify Proxy, research anti-scraping defenses, and create internal tools using browser fingerprinting, human-like interaction patterns, and session management to keep data flowing smoothly. The team values engineers who enjoy solving tough technical problems and want to contribute to open-source proxy libraries. Location Prague

About the RoleWe are seeking an experienced Senior Backend Engineer to become a vital member of our Main Application Team (MAT). In this influential role, you will be instrumental in designing and enhancing the backend systems that drive Rossum’s primary product, facilitating complex document processing workflows and extensive data flows utilized by our global customers.This position transcends mere implementation; our engineers understand that technical debt and scalability are challenges we must tackle. We are looking for you to help define those solutions. You will collaborate closely with Product, Frontend, and other Backend teams to implement features that effectively balance immediate requirements with long-term maintainability.What You'll DoAs a key contributor to our backend initiatives, you will oversee daily operations while identifying strategic enhancements to ensure our systems remain reliable and easy to develop upon.Your main responsibilities will include:Designing, implementing, and maintaining backend services and APIs for Rossum’s core platform.Taking ownership of significant backend features or components from conception to production.Writing high-quality, thoroughly tested code with a persistent focus on scalability, reliability, and security.Collaborating across departments, engaging in code reviews to provide constructive feedback and working closely with Frontend and Product teams.Proactively identifying and addressing performance, reliability, and operational challenges to foster technical excellence.Who You AreWe are looking for a straightforward problem solver who is not afraid to question assumptions. You should possess:Robust professional experience in backend engineering within a production environment.Expertise in Python (or a similar backend language) with a solid grasp of relational databases.A blend of hands-on execution and strategic thinking, particularly in designing REST APIs and managing backend services.Familiarity with AI coding tools and a proven history of driving features through their complete lifecycle.

Groupon is a dynamic marketplace where customers uncover exciting new experiences and services every day, empowering local businesses to thrive. With over a million merchant partners globally, we connect more than 16 million customers to amazing deals across diverse categories. In a market often dominated by e-commerce behemoths, Groupon distinguishes itself as one of the few platforms genuinely committed to driving local business success on a performance basis.We are on a transformative journey, relentlessly pursuing results while fostering a culture that inspires innovation, rewards risk-taking, and celebrates success. Despite our global presence with thousands of employees, we maintain a close-knit culture where one individual can make a significant impact. We embody the "best of both worlds"; large enough to provide resources and scale, yet small enough to allow personal autonomy and meaningful contributions.About the Role Join Groupon’s next chapter, driving AI-powered innovation from either Valencia or Prague.Are you a hands-on technical leader prepared to shape the future of B2B platforms? This is a pivotal moment for Groupon as we aggressively pursue an AI-first strategy and modernize our technology stack. As the new Backend Engineer for Deal Management, you will architect, develop, and enhance systems that empower local businesses globally, building from the ground up.

Apify builds automation tools, AI agents, and web scraping technology to help people get more from the web. The goal: let machines handle repetitive online tasks, so people can focus on work that matters. Everyday chores like filling out forms, building large spreadsheets, or searching through countless videos for a single image are handled by Apify’s platform. Automation here is more than convenience, it can save money, collect data for AI, protect consumers, and even support efforts to find missing children. The team also creates AI chatbots with the right context for smart conversations and explores new ways to work with generative AI tools such as ChatGPT. What You'll Work On Improve and scale Apify’s core web scraping and automation systems, which run on AWS. Work closely with a small, experienced group of engineers from different backgrounds. Design and build new features while solving real scalability problems. Contribute to a platform built by developers, for developers. The team uses Apify’s own tools daily and is committed to open-source, sharing code on GitHub and welcoming pull requests. Role Details Title: Senior Backend Engineer for Developer Platform Stack: Node.js, TypeScript Location: Prague

Join Mirantis as a Senior Golang Engineer, where you'll play a crucial role in developing innovative backend solutions. In this position, you'll utilize your expertise in Golang to design, implement, and maintain scalable applications, contributing to the success of our engineering team.We are looking for a highly motivated professional who thrives in a dynamic environment and is eager to embrace challenging projects. Your insights and skills will be invaluable in shaping our software architecture and enhancing our product offerings.

Join Kaizen Gaming!As one of the leading GameTech companies globally, Kaizen Gaming powers Betano and operates in 19 markets. We are dedicated to leveraging the latest technologies to deliver unparalleled entertainment experiences to millions of customers.Our diverse team of over 2,700 professionals, representing more than 40 nationalities across three continents, fosters a vibrant culture. Recognized among the Best Workplaces in Europe and certified as a Great Place to Work, we promise that no two days will be the same. Are you ready to Press Play on your potential?Your Role AwaitsAs a Principal Backend Engineer, you will be at the forefront of designing and implementing innovative, scalable, and high-performance backend systems. We seek a technology leader who excels in mentoring engineers at all levels. In this pivotal role, you will drive the development of robust software solutions through seamless collaboration with cross-functional teams.Key Responsibilities:Architect & Innovate: Collaborate with our agile team to design secure and high-performance backend systems that underpin our advanced solutions.Craft High-Performance Code: Write clean, efficient code that forms the backbone of our technology stack.Mentorship: Inspire and guide fellow engineers, cultivating their skills and promoting best practices.Optimize Performance: Lead initiatives to enhance system performance for an exceptional user experience.Seamless Integration: Work closely with cross-functional teams and stakeholders to ensure smooth system integration.Stay Ahead: Keep abreast of emerging technologies and apply them to enhance our capabilities.Establish Company Best Practices: Collaborate with Platform Engineering to define and implement company-wide best practices for software development.Strategic Technical Roadmap: Contribute to shaping the company-wide technical roadmap, ensuring a focus beyond immediate product demands.

Join a cutting-edge tech company that is revolutionizing the data storage landscape! At PureStorage, you will be at the forefront of innovation, collaborating with some of the brightest minds in the industry. If you're ready to embrace a world of limitless opportunities and make a significant impact, we invite you to be part of our journey.THE ROLEAs a member of the FlashArray team, you will contribute to the development of the most advanced, high-performance, and reliable product portfolio tailored for mission-critical applications. Though we provide a hardware storage array, our engineering team is predominantly composed of software engineers. Our customers value FlashArray for its ease of management, continuous upgrades, and the ability to leverage cutting-edge technology without downtime. In this role, you will focus on enhancing our virtualization ecosystem, working on plugins like vSphere, Veeam, PowerShell, and more to ensure seamless integration with FlashArray.WHAT YOU'LL DODesign and implement innovative features and technologies for high-performance virtualization integrations.Take ownership of FlashArray virtualization plugins from inception to delivery.Analyze and resolve complex challenges across virtualization platforms with a focus on simplicity and scalability.Collaborate with talented peers who inspire and motivate you.Delight customers by enabling smooth integration of FlashArray into their virtualization environments.Grow your knowledge base, whether you're a seasoned expert or just starting out in virtualization, storage, or system software.We primarily operate in an in-office setting, so you will be expected to work from our Prague office in accordance with Pure's policies, except during approved leave or work-related travel.

Oddin.gg stands at the forefront of esports data science, recognized by Deloitte as the fastest-growing tech company in Central Europe for 2024. We provide innovative solutions for esports betting, specializing in popular titles such as Dota2 and League of Legends, as well as major simulators like FIFA. Our unique partnerships enable us to develop advanced mathematical models for predicting match odds, culminating in our award-winning BetBuilder product that transforms the esports betting landscape.With a dynamic team of over 200 professionals located in the Czech Republic and throughout Europe and Asia, Oddin.gg is rapidly expanding. Now, we invite you to be part of our journey! Your RoleContribute to AWS Architecture: Collaborate in designing and optimizing our AWS infrastructure (EC2, ECS, Kafka, RDS, Redis) to ensure scalability, reliability, and cost-effectiveness.Implement Infrastructure Automation: Utilize tools like Terraform or CloudFormation to automate deployments and maintain consistency across environments.Optimize Performance & Cost: Help configure systems to manage traffic spikes while optimizing resource use and budget. Provide insights on capacity planning and cost-efficiency strategies.Support Developer Experience: Establish and maintain effective CI/CD pipelines. Work closely with software engineers to streamline deployment processes and enhance productivity.Troubleshoot & Improve Systems: Identify and resolve issues to improve uptime, performance, and maintainability of systems.Knowledge Sharing & Collaboration: Collaborate with peers to share knowledge, document best practices, and continuously enhance team processes and technical standards.Your ProfileAWS Proficiency: Strong hands-on experience with core AWS services (EC2, ECS, RDS, ElastiCache/Redis, Kafka) and familiarity with designing and operating production-scale workloads.IaaC & Automation: Proficient in Terraform, CloudFormation, or similar frameworks, with experience in automating tasks for reliable deployments.CI/CD Fundamentals: Understanding of CI/CD practices (e.g., Jenkins, GitHub Actions) to support efficient build, test, and deployment cycles.High-Performance Systems: Exposure to distributed system concepts including load balancing, caching, and more.

Join Our Innovative Team at EmplifiAt Emplifi, we are redefining customer engagement. Our unified platform empowers over 20,000 leading brands globally to enhance their digital and social customer experiences. By seamlessly integrating social media marketing, commerce, care, unified analytics, and AI, we enable companies to achieve greater growth through improved customer satisfaction, increased sales, and heightened brand loyalty.About the Parsers TeamThe Parsers Team plays a crucial role in ensuring our clients gain actionable insights for growth. We maintain a robust, reliable, and observable data flow from third-party APIs. Our responsibilities include monitoring API changes, integrating new data sources, and delivering high-quality data to downstream systems. With hundreds of thousands of I/O operations occurring each second, the challenge is significant. As we seek to enhance this platform, we invite a talented Backend Engineer to join our collaborative and friendly team, dedicated to building systems that are scalable, reliable, and maintainable. We value cooperation, creativity, diligence, and a healthy sense of humor.Key ResponsibilitiesEnhance and maintain our platform with innovative features.Contribute to a codebase of clean, well-tested code.Review code to uphold our quality standards.Monitor system performance and logs, troubleshoot issues, and develop tools for observability.Participate actively in our Scrum process.Invest in continuous personal development to advance your career.Collaborate effectively with a supportive team of professionals.Enjoy the journey of exploration and experimentation.QualificationsMinimum 1 year of experience with Node.js.A strong willingness to learn and adapt.Solid understanding of clean code principles and testing methodologies.Familiarity with database systems.Experience with Git and modern development workflows.Bonus: Experience in distributed systems or high-throughput environments.Our Tech StackLanguages & Frameworks: Node.js, TypeScriptInfrastructure: AWSDatabases: SQL & NoSQL

Wrike stands as a premier work management platform, expertly designed for teams and organizations striving for collaboration, innovation, and excellence daily. With Wrike, all work converges in a unified space, eliminating complexity, enhancing productivity, and allowing individuals to concentrate on meaningful tasks. Our Vision: A world where everyone can focus on their most purposeful work, collaboratively. Discover More About Wrike TeamAt Wrike, every voice is significant. Our Scrum teams, which include FE, BE, QA, UI, UX, and a PO, are central to our decision-making process. Backend engineers within product teams tackle both business logic and technical challenges, while technical teams facilitate smooth internal tooling, CI/CD, and an exceptional developer experience. We prioritize our architecture, deploy daily with minimal merge conflicts, and encourage backend engineers to innovate, work on technical enhancements, and contribute to product plans by sharing insights with POs. As we transition to a microservice architecture, product teams gain increased ownership and flexibility, supported by technical teams. Our mission is to simplify our clients' experiences by creating intuitive and powerful solutions suitable for everyone—from startups to large enterprises.Are you a dedicated Backend Engineer? This is more than just a job posting—it's an invitation for you to connect with Wrike for potential future opportunities. By joining our talent pool, you can introduce yourself and explore our culture, projects, and technologies. Even if we don't have a current opening, we're always excited to meet skilled professionals. Apply today to start a dialogue and learn more about life at Wrike.What We’re Working On:Designing, building, and enhancing product features from the ground up or improving existing functionalities.Collaborating to tackle complex challenges and refining solutions as a collective team.Ensuring high technical quality through thorough code reviews, testing, and task estimation.Adopting rapid, iterative development while adhering to best practices.Utilizing AI tools daily to automate processes and enhance productivity.Fostering continuous learning and supporting each other’s professional growth.Our Technology Stack:Java (21), Spring, REST APIs, SQL.PostgreSQL, Redis, RabbitMQ.Unit/integration testing, Java web stack.AI tools (Cursor, Zencoder, etc.; internal AI portal; internal MCP).

Join Apify as a Cloud Infrastructure Engineer and play a pivotal role in designing, implementing, and maintaining robust cloud infrastructure solutions. You will work with cutting-edge technologies to enhance our cloud capabilities, ensuring reliability, scalability, and security of our services. Collaborate with a talented team to drive innovative solutions that support our client needs.

Veeam is recognized as a leader in data management and AI trust, dedicated to empowering organizations to safeguard their data and AI capabilities. We are at the forefront of data resilience and security posture management, designed to harmonize identity, data, security, and AI risk management. Headquartered in Seattle, we have a global presence with offices in over 30 countries and serve more than 550,000 customers who rely on Veeam to ensure their operations remain seamless. Join our dynamic team as we pursue growth, innovation, and impactful contributions for some of the world’s largest enterprises.About the RoleAs a leader in Kubernetes Backup and Disaster Recovery, we offer Veeam Kasten, a purpose-designed data management platform for Kubernetes. This platform equips enterprise operations teams with a user-friendly, scalable, and secure solution for backup, restore, disaster recovery, and application mobility while maintaining exceptional operational simplicity. We continuously optimize and expand our Kubernetes capabilities to address our customers' evolving needs, currently enhancing integrations with SaaS services and supporting virtual machines hosted within Kubernetes.

JetBrains has developed tools for software teams since 2000. By automating routine checks and corrections, JetBrains products help developers focus on building and shipping software. The goal: make development more productive and creative. Role overview This Backend Customer Success Engineer role centers on supporting engineering teams as they adopt Kotlin for backend development. The position focuses on helping organizations successfully bring Kotlin into production environments. What you will do Guide organizations through the process of moving from Java to Kotlin, assisting with migration, integration, and scaling. Troubleshoot technical challenges that arise during the transition and support teams as they progress from initial experimentation to stable production use. Work with potential users to clarify how Kotlin adoption works and help design migration plans that fit their specific needs. Locations Amsterdam, Netherlands Berlin, Germany Munich, Germany Prague, Czech Republic Remote, Germany

Join us at the forefront of technology as we revolutionize the data storage industry. At Pure Storage, you will engage in innovative thinking, collaborate with the brightest minds in the field, and grow alongside us.Our mission is to create transformative solutions that empower businesses to harness the full potential of their data. If you are ready to embrace limitless opportunities and make a significant impact, we invite you to be part of our journey.In the current landscape, data is the new oil. For businesses aiming to maximize their data usage, establishing a robust infrastructure for data storage and querying is paramount. This is where Everpure's advanced hardware and software solutions come into play, unlocking the maximum value from your data.THE ROLEAs a Site Reliability Engineer at Everpure, you will oversee the infrastructure, internal tools, and production services critical to our operations. You will collaborate with all internal engineering teams to ensure the reliability of services that support the development of innovative products and features across various environments, from data centers to public cloud platforms.Your mission as a Reliability Engineer will involve redefining the resiliency of Everpure's vital infrastructure applications. You will take the lead in designing and implementing advanced observability solutions, shaping the future of application data management and incident response at Pure, utilizing cutting-edge technologies and AI to streamline engineering processes.We are seeking engineers with a dual focus on software and systems skills, who are passionate about reliability, performance, and efficiency, and who possess experience in developing tools, services, and automations to enhance production services.WHAT YOU'LL DODesign, operate, maintain, and troubleshoot enterprise systems, including databases, message queues, APIs, and distributed applications, utilizing data metrics such as SLOs and error budgets.Establish sustainable incident response practices and conduct blameless postmortems to mitigate future issues.Support services pre-launch through system design, software platform development, capacity planning, and launch reviews.Sustainably scale systems through scripting and automation, continuously improving operational reliability and efficiency.Collaborate across teams and time zones to deliver high-quality outcomes for our customers.

Join Our Dynamic Real-Time Engineering Team!We are on the lookout for exceptional Senior Software Engineers to amplify our capabilities. At Cint, our Real-Time Engineering team is a collective of highly skilled individuals who thrive on tackling challenging projects. We pride ourselves on our extensive experience in designing and implementing complex systems that effectively manage unusually high traffic volumes. Our team culture fosters support and collaboration, ensuring every member feels valued. We believe in not just working together but also enjoying social interactions, making our workplace vibrant and enjoyable.Your Role and ResponsibilitiesAs a key member of our results-driven team, you'll find that our focus is purely on product quality and timely delivery. We eliminate workplace politics and distractions, prioritizing the code that directly impacts millions of users daily. You’ll collaborate with other top-notch engineers, ensuring that we collectively deliver a world-class product. The stakes are high; each error or downtime could result in significant financial loss.

Role overview Pure Storage is looking for a Backend Engineer in Prague, Czech Republic, with a focus on secrets management. The position involves building and refining backend systems that safeguard sensitive information. The team uses C++ and Java to create secure, dependable solutions for customers. What you will do Develop and maintain backend components that support secrets management features Use C++ and Java to implement secure storage and manage access controls Work closely with other engineers to enhance data protection and ensure system reliability Team culture The Prague engineering group values security, code quality, and collaboration. Team members support each other while tackling complex technical challenges and designing technology that customers trust.

Mirantis is seeking a highly skilled Senior DevOps Engineer who will spearhead the design, implementation, and continuous enhancement of our customer infrastructure and CI/CD pipelines. This pivotal role involves collaboration with diverse cross-functional teams to ensure high system performance, scalability, and security. In addition to your technical expertise, you will also mentor junior team members, champion automation initiatives, and actively participate in strategic decision-making concerning infrastructure and deployment processes. This opportunity is perfect for a seasoned professional with extensive experience in cloud technologies, containerization, scripting, and DevOps best practices.Main Responsibilities:Design, deploy, and manage customer infrastructure across various cloud providers and bare metal environments.Architect and oversee Kubernetes clusters for applications utilizing microservices architecture.Develop and refine CI/CD pipelines to facilitate smooth software delivery.Design, monitor, and maintain development, staging, and production environments.Provide knowledge transfer to customers during deployment projects.Collaborate with geographically distributed international teams to address technical challenges and improve processes.Mentor and nurture the growth of fellow DevOps Engineers.Contribute to the Mirantis deployment knowledge base.Continuously enhance tools and technologies.

Join AFRY as a Track Specialist, where you will play a pivotal role in developing and maintaining railway infrastructure. As part of our dynamic team in Prague, you will contribute your expertise to enhance the quality and safety of railway systems.

Join AFRY as a Project Manager within our Transportation Infrastructure Design team in Prague. In this pivotal role, you will lead and manage infrastructure projects, ensuring they are delivered on time, within scope, and within budget. You will work closely with clients, stakeholders, and multidisciplinary teams to develop innovative solutions that enhance transportation efficiency and sustainability.

About OutreachFounded in 2014, Outreach is the premier AI Revenue Workflow Platform designed to empower sales leaders with unparalleled visibility into account performance, enhanced insights, and precise forecasting across all go-to-market teams. Our innovative use of agentic AI enables automation across hundreds of sales scenarios, from prospecting to renewals, allowing sales professionals to concentrate on strategic initiatives. Trusted by industry giants such as SAP, Siemens, Snowflake, ZoomInfo, and Verizon, Outreach is transforming how global organizations drive their revenue teams. Discover more at www.outreach.io.About the TeamThe Compute, Observability and Reliability (COR) team is dedicated to delivering robust, scalable, and cost-effective infrastructure services that empower Outreach engineering teams to deploy and manage enterprise-grade cloud solutions. As part of the Foundations organization, we focus on engineering enablement, encompassing infrastructure, services, storage, tooling, documentation, and processes. COR collaborates with various squads across the organization to optimize infrastructure costs and engineering efficiency while providing systems that facilitate scaling our application platform across diverse geographies.The RoleAs a Senior Staff Site Reliability Engineer (SRE) within the COR team, you will play a pivotal role in designing and maintaining our Kubernetes platform, managing cloud configurations, and overseeing the majority of Outreach’s infrastructure. Each SRE is expected to empathize with our internal customers (engineers) and prioritize the performance and reliability of the systems we manage. Specifically, the Senior Staff SRE is expected to be fully independent, capable of driving medium-scale technical projects autonomously.LocationThis position is primarily based in Prague, but we offer remote work flexibility within the Czech Republic. To enhance team cohesion, we organize monthly in-person meetups at our main office. Local candidates in Prague are encouraged to attend these gatherings.