DevOps Cloud Engineer at Mainstream | Belgrade, Serbia

Mainstream is the leading cloud provider in Southeast Europe. The Managed Application team in Belgrade focuses on keeping clients’ web services running smoothly through advanced managed cloud solutions. As a DevOps Cloud Engineer, you will help turn innovative ideas from companies in many industries into working solutions. Role Overview This position centers on supporting and enhancing the performance of enterprise systems and applications. The team works on a variety of projects, such as launching new websites, migrating retail chains to the cloud, and delivering managed services for clients like Remiks, Fashion Company, and FitPass. The work brings continual learning as new tools and platforms are adopted, always aiming for high-availability and reliability to meet demanding client needs. What You Will Do Set up and maintain Linux servers using automation tools like Terraform and Ansible. Monitor server performance to catch issues early and keep enterprise systems running at their best. Deliver L2 support to clients, identifying and solving complex technical problems quickly and effectively. Adopt new cloud platforms and DevOps practices, always seeking ways to improve performance, security, and stability. Work closely with team members to tackle unexpected challenges and develop strong solutions. Support digital and AI transformation projects through your technical contributions. Location This role is based in Belgrade, Serbia.

Mainstream stands as a premier cloud service provider in Southeast Europe, boasting a robust network of over 8 data centers and the largest team of cloud specialists in the Balkans. Our collaborations with global leaders such as AWS and Microsoft Azure, alongside our proprietary Mainstream Cloud platform, empower businesses at every stage of their cloud transformation journey.The Financial Services Industry (FSI) team at Mainstream is dedicated to delivering tailored solutions for banks and financial institutions aiming to modernize their essential applications and transition from legacy systems to secure and scalable cloud environments. Our expert banking team possesses significant knowledge in financial applications, guiding clients through cloud migration and providing ongoing application and operational support.As our FSI team expands, we are in search of an Application Support Specialist to ensure the stability and optimal performance of applications utilized by leading banks and financial institutions.Responsible for the implementation, administration, support, and maintenance of middleware and third-party applications facilitating communication between financial applications across various platforms.Oversee the installation, maintenance, and configuration of JBOSS, Tomcat, Apache, AMQ, and similar environments.Perform system administration for JBOSS, AMQ, and related systems, including troubleshooting, monitoring, incident resolution, system security, and change implementation.Collaborate independently or as part of a team on diverse system projects related to Linux, Windows, and application support.Provide system support, including on-call assistance outside of regular working hours when necessary.Plan, prepare, and implement solutions, along with executing maintenance upgrades for applications within the designated scope.

Join our vibrant team at Telesign as a Cloud DevOps Engineer where you will be instrumental in shaping and managing our cloud infrastructure. Your expertise in Amazon Web Services (AWS) will help us maintain scalability, reliability, and security in our applications. If you are enthusiastic about harnessing cloud technologies and automating processes to drive continuous improvement, we want to hear from you! Take the next step in your career by applying today and become part of our innovative team! Key Responsibilities: Cloud Design and Management: Architect, provision, and maintain high-performing and scalable distributed systems on AWS. Lead implementation with your technical expertise and guidance. Automation, GitOps & CI/CD: Create and support CI/CD pipelines to automate the deployment and testing of infrastructure and components. Monitoring & Performance: Develop robust monitoring and alerting systems to ensure cloud environment availability and performance, while administering systems and identifying optimization opportunities. Security & Compliance: Ensure that our cloud infrastructure meets security and compliance standards in line with industry best practices. Collaboration: Partner closely with development teams, product managers, security, and operations to streamline application delivery. Cost Optimization: Evaluate cloud infrastructure costs and recommend strategies to reduce expenses. Documentation: Keep detailed architectural documentation, including design specs and guidelines, to support implementation and knowledge sharing.

Oversee and maintain virtual infrastructure while providing essential support for network operations.Efficiently manage service requests through the ticketing system.Constantly monitor and respond to alerts and alarms.Utilize time tracking software for accurate reporting.Regularly update and create documentation to support daily operational processes.Actively contribute to the development and execution of digital and AI transformation initiatives.

Are you enthusiastic about databases and have a talent for troubleshooting? Do you thrive on empowering others to harness the full potential of their data? At DBeaver, we strive to weave data into the daily routines and decision-making processes of individuals everywhere. Our vibrant community of over 10 million active users globally continually motivates our work, driving our open-source innovation. As the premier provider of cross-platform enterprise data and database solutions, DBeaver is looking for a dedicated Sales Engineer to join our European team. In this role, you will serve as a pivotal link between our sales team and clients, utilizing your technical knowledge to help potential customers recognize how DBeaver’s offerings can alleviate their technical challenges and align with their objectives. Location: This position is available for remote work across Europe or as a hybrid role in our offices located in Belgrade, Serbia, or Budapest, Hungary.

At Databricks, we are dedicated to empowering data teams to tackle the world’s most challenging problems—whether it's revolutionizing transportation or advancing medical innovations. Our mission is to create and operate the leading data and AI infrastructure platform, enabling clients to harness deep data insights for improved business outcomes.Founded by visionary engineers, Databricks is on an exciting multi-year journey to develop the ultimate Data Intelligence Platform. We are building upon a robust foundation with the ambition to create significantly better products. Our aim is to reimagine every component to deliver the fastest, easiest, and most secure data platform suited for all data workloads.As a Backend Software Engineer, you will become a key member of not only the Belgrade site but also a pivotal team in our quest to realize the Lakehouse vision. You will engage in the complete development cycle and embody the core values of Databricks.

Easygo, an Australian technology leader, powers renowned global brands such as Stake, KICK, and Twist Gaming. As we expand our engineering hub in Belgrade, we are seeking a talented Staff/Senior DevOps Engineer to join our dynamic Stake DevOps team. In this role, you will be instrumental in designing, operating, and enhancing systems that cater to millions of users worldwide.This is a proactive, hands-on position ideal for individuals who thrive on ownership, enjoy tackling real-world production challenges, and prefer close collaboration with engineering teams to facilitate rapid, reliable, and secure delivery.Who We’re Looking ForAs a Staff/Senior DevOps Engineer at Easygo, you will have a pivotal role in developing, maintaining, and continuously refining our cloud infrastructure and delivery pipelines, emphasizing reliability and production readiness. You will collaborate closely with software engineers, platform teams, and security experts to ensure our systems remain highly available, observable, and resilient at scale. Your responsibilities will include shared production support across various regions, working in a follow-the-sun model, to enhance our operational effectiveness in production.We value engineers who take ownership, demonstrate pragmatic thinking, and enjoy working with real systems. You will adeptly balance platform development with operational duties, consistently seeking ways to enhance reliability, operational maturity, and the overall production experience.Key Responsibilities:Design, implement, and manage scalable cloud infrastructure solutions utilizing AWS, Kubernetes (K8s), and Terraform (TF IaC).Develop and maintain CI/CD pipelines using tools like ArgoCD and GitHub Actions for swift and dependable deployments.Ensure infrastructure security, compliance, and adherence to best practices in cloud-native environments.Work collaboratively with software engineering teams to promote DevOps best practices, automation, and operational excellence.Apply Site-Reliability Engineering best practices.Enhance and manage observability and monitoring solutions using Datadog or similar platforms.Provide technical leadership by advocating for best practices in infrastructure as code, cloud security, and site reliability.Analyze and resolve complex issues to contribute to team objectives and initiatives.Lead and independently execute engineering projects from conception to completion.Engage with stakeholders, including IT security, product managers, and engineering teams, to effectively communicate DevOps-related concerns and mitigate risks.Foster innovation within the team by advocating for improvements and driving initiatives.

Join Databricks as a Senior Applied ML/AI Engineer, where you will leverage cutting-edge machine learning and optimization algorithms to enhance the functionality and performance of our AutoML products and other user-facing solutions. Your expertise will drive advancements in classification, regression, forecasting, and recommendation systems, utilizing both traditional methods and deep learning techniques. The Applied ML/AI team tackles some of the most challenging and fascinating issues businesses face today, aiming to maximize the efficiency and effectiveness of Databricks’ infrastructure and products.Your Impact:Collaborate within a small, skilled team of engineers and data scientists to build features and implement end-to-end systems.Influence the direction of our applied ML initiatives by partnering with engineering and product teams across the organization.Lead the design and deployment of advanced ML/AI models and systems that enhance Databricks’ product capabilities and operational performance.Create and maintain robust, scalable ML infrastructure, including components for model training and serving, ensuring seamless integration of AI/ML solutions into production environments.Research and develop innovative modeling techniques in machine learning for forecasting.Engage with the broader AI community through conference presentations and contributions to open-source projects, establishing Databricks as a leader in the industry.

P-1416 At Databricks, we are driven by a passion for empowering data teams to tackle some of the world's most complex challenges—ranging from revolutionizing transportation to accelerating medical innovations. We achieve this by developing and maintaining the premier data and AI infrastructure platform, enabling our clients to harness deep data insights to optimize their operations. Founded by a team of engineers, Databricks is on an ambitious journey to create the ultimate Data Intelligence Platform. While we are building on a robust foundation, our vision is to enhance every component to deliver a faster, more user-friendly, and secure data platform capable of handling diverse data workloads. As a software engineer, you will be a vital member of the inaugural Belgrade team and contribute significantly to our multi-year mission to realize the Lakehouse vision. You will engage in the end-to-end development lifecycle and embody the core values of Databricks. Your Impact: Our backend teams tackle a variety of challenges across our essential service platforms. You may work on: Complex issues spanning both product and infrastructure, including distributed systems, large-scale service architecture, monitoring, workflow orchestration, and enhancing developer experience. Building reliable, secure, and high-performance services and client libraries to manage and access vast amounts of data on cloud storage solutions like AWS S3, GCS, and Azure Blob Store. Contributing to product features that enable our customers to effortlessly store and retrieve their data. What We Seek: Bachelor's degree (or higher) in Computer Science or a related discipline. 8+ years of production-level experience in Java, Scala, C++, or similar programming languages. Proven experience in developing large-scale distributed systems. Experience with SaaS platforms or Service-Oriented Architectures. Solid understanding of SQL.

Are you passionate about SQL and the expansive realm of databases? Do you understand the transformative power of data and enjoy leading teams to deliver top-notch products? If you're an experienced Project Manager eager to join a dynamic company where your contributions can directly influence our growth and engage with a global user community, we want to hear from you! Familiarity with database management tools, especially DBeaver, is a notable advantage. At DBeaver, we are committed to embedding data into the daily routines and decision-making processes of individuals around the globe. With a vibrant community of over 10 million active users inspiring us continuously, our open-source methodology drives innovation. As the leading provider of cross-platform enterprise data and database software, we are on the lookout for a talented Project Manager to join our R&D team. This role presents an exciting opportunity to lead initiatives that develop innovative data solutions for millions of users worldwide.

Join us at Databricks, where we are driven by a passion for empowering data teams to tackle the most challenging issues globally — from transforming transportation to fast-tracking medical innovations. We pride ourselves on developing and maintaining the premier data and AI infrastructure platform, enabling our clients to harness deep data insights for business enhancement. Founded by engineers, Databricks is embarking on a transformative journey to create the leading Data Intelligence Platform. We are building on a solid foundation with the ambition to create significantly superior products. Our focus spans everything from the Storage Engine (data layout, encryption, caching, etc.) to the Query Engine (Vectorization, Query Optimization, etc.), with the goal of enhancing every component to offer our customers the most efficient, user-friendly, and secure data platform for all their data workloads. As a Software Engineer, you will be a pioneering member of our Belgrade site and contribute to our multi-year mission to realize our Lakehouse vision. You will engage in the complete development cycle and embody all core Databricks values: ownership, data-driven decision-making, teamwork, and customer obsession.

About WPP MediaWPP is a trusted growth partner for the world's leading brands, leveraging exceptional talent and trusted data to help clients navigate change and achieve transformational growth through our pioneering marketing platform, WPP Open.WPP Media serves as WPP's AI-driven media unit, integrating media, data, and partnerships to deliver creative personalization at scale. With WPP Open and powered by Open Intelligence, clients can gain clarity on their media investments.For more information, visit wppmedia.com.Position Overview: As an Account Executive, you will be a vital member of our agency client team, responsible for ensuring timely and accurate invoicing and budget reporting processes, as well as managing our internal booking system.Your role will involve providing operational support to Account Managers, with success measured by the delivery of media KPIs, adherence to deadlines, and the precision of deliverables contributing to overall client satisfaction.

Join easygo, an innovative Australian technology leader behind renowned brands such as Stake, KICK, and Twist Gaming. As we expand our engineering operations in Belgrade, we are seeking a Senior Full Stack Engineer to become an integral part of our Internal Empowerment team. In this role, you will contribute to the creation and enhancement of the platforms that power our global products.About the TeamYou will be part of a newly established engineering team that is responsible for developing and maintaining internal platforms, services, and integrations, ensuring that Easygo teams can function effectively and at scale.Your team will manage essential internal systems and represent Easygo's digital front door, minimizing reliance on external resources and eliminating delivery bottlenecks for operational teams. By overseeing these platforms from concept to execution, your team plays a crucial role in facilitating business operations and ensuring that Easygo's technology and online presence embody the innovation within the company.Who We’re Looking ForWe are in search of a Senior Full Stack Engineer who is passionate about ownership, collaboration, and problem-solving in a way that empowers teams across the organization.You are a seasoned engineer who prides yourself on creating high-quality, scalable systems across the tech stack and can communicate effectively with a wide range of technical and non-technical stakeholders. You flourish in an environment that values autonomy, accountability, and teamwork.You are adept at working across the stack—designing and developing backend services and APIs, while also collaborating closely with frontend engineers to contribute to user-facing functionalities as necessary.Additionally, you are comfortable navigating various problem domains over time, adapting to new technical contexts as business priorities evolve. You tackle challenges pragmatically, striving to understand the business needs behind technical requests and selecting solutions based on context rather than applying a one-size-fits-all methodology.Key ResponsibilitiesDesign and implement high-performance software solutions in line with project requirements and company standards.Build and maintain solutions with a strong emphasis on code quality, scalability, and long-term maintainability.Enhance the performance, reliability, and resilience of existing services by addressing bottlenecks and technical debt.Own services from inception to delivery, ensuring high standards of quality, security, and operational readiness.Collaborate closely with cross-functional teams to deliver optimal solutions.

Job OverviewJoin Wargaming's dynamic Analytics team as a dedicated Data Engineer. This role demands a proactive mindset, a passion for data, and a results-driven approach. As a Data Engineer, you will harness your technical expertise in high-load telemetry and data warehousing while collaborating effectively across teams.Your work will involve analyzing diverse product data, from financial metrics to detailed in-battle telemetry, capturing player actions, vehicle movements, and interface events. All insights are consolidated into a centralized data warehouse for near real-time analytics.Collaboration is key, as you'll work closely with the Data Warehouse team and a global community of over 50 analysts. This position offers the chance to thrive in a data-centric industry and leverage modern analytics technologies for tangible product outcomes.

Xometry (NASDAQ: XMTR) is at the forefront of modern manufacturing, bridging the gap between innovative thinkers and manufacturers capable of transforming concepts into reality. Our digital marketplace empowers manufacturers with essential tools to expand their businesses while providing Fortune 1000 buyers access to global manufacturing capabilities. About the RoleWe are in search of a meticulous and proactive Technical Engineering Advisor / Manufacturing / DFM Engineer to enhance our product development and production workflows. In this pivotal role, you will serve as a crucial link between customers, suppliers, and internal teams, ensuring designs are optimized for manufacturing and that products are successfully transitioned into production.

Join the Wargaming team as a QA Engineer for our acclaimed game, World of Warships, on PC. In this role, you will play a crucial part in ensuring the quality and performance of our game through rigorous testing and analysis. Collaborate with a talented team to identify and resolve issues, contributing to the overall player experience.

At CompStak, we are revolutionizing the commercial real estate industry by providing access to accurate and transparent data, enabling faster and more informed deals. Our platform aggregates hard-to-find information and makes it readily available for our members. Location: Belgrade, Hybrid (Currently, we operate three days per week in the office, subject to change)As a Senior Frontend Engineer, you will play a pivotal role in developing our Exchange & Enterprise applications, which are essential for our customers to search properties, analyze markets, and make data-driven decisions. You will be a key contributor to enhancing the user experience for thousands of users and will directly influence the performance and usability of our product.Join our small, experienced frontend team and help shape the main consumer-facing applications that empower our clients.

Join Perplexity as a Senior Infrastructure Engineer and play a pivotal role in transforming how individuals search and engage with the internet. Your dedication and expertise will be essential in delivering a top-tier product. This position uniquely combines infrastructure mastery with software engineering, allowing you to take ownership of the crucial systems that drive our products and development processes.Key ResponsibilitiesConstruct and sustain a robust and scalable infrastructure to enable high-performance search functionalities.Create internal tools and automation processes to enhance developer workflows and operational effectiveness.Architect, deploy, and manage cloud-native systems, primarily utilizing AWS.Enhance and maintain CI/CD pipelines, testing frameworks, and release protocols.Troubleshoot and optimize Linux environments, containerized applications, and backend services.Contribute directly to product codebases, engaging with languages such as Python, Go, and other systems-level languages.QualificationsProven experience in cloud infrastructure (AWS preferred), systems architecture, and automation.Extensive knowledge of Linux internals, including performance optimization and debugging techniques.Demonstrated experience in building or maintaining CI/CD systems and associated tools.Strong proficiency in Python and at least one systems programming language (Go, Rust, C/C++, or Java).Ability to navigate both infrastructure and application-level code seamlessly.A proactive and enthusiastic learner who excels in a dynamic, innovative environment.

Role Overview Delivery Hero is hiring a Head of Finance based in Belgrade. This leadership position manages financial operations, guides planning and analysis, and upholds strong financial governance. The Head of Finance partners with teams across the business to support growth and long-term stability.

Join the dynamic team at Perplexity AI as a Search Rust Engineer, where your expertise will drive the evolution of AI-powered search technologies. In this role, you will focus on optimizing every aspect of our search performance, ensuring that our systems are robust, scalable, and reliable.As a key player, you will:Design and enhance ultra-low-latency search infrastructure utilizing Rust programming.Profile and instrument services to continuously reduce response times as we scale.Develop and sustain distributed backend components that drive real-time search and retrieval.Work closely with product and infrastructure teams to craft systems that achieve exceptional query performance.Leverage advanced concurrency, memory management, and network programming techniques for optimal throughput.Monitor and fine-tune production workloads to maintain reliability under high traffic conditions.Participate in code reviews and mentor peers in high-efficiency Rust development practices.