Senior Engineer, Kernel Development & Optimization

Role overview Tide is looking for a Senior Flutter Engineer based in Serbia to help create mobile applications that make financial management simpler for users. The position centers on designing, developing, and maintaining apps with Flutter, with an emphasis on usability and reliability. What you will do Collaborate with cross-functional teams during all stages of app development Design and implement new features using Flutter Maintain and enhance existing mobile applications Prioritize delivering effective user experiences Location This role is located in Serbia.

Join Unlimit, a leading fintech innovator, as a Senior Flutter Developer to create a cutting-edge B2B banking application tailored for the European and Asian markets. In this pivotal role, you will enhance functionality and uphold exceptional product quality from the outset, contributing significantly to our mission of transforming financial services. As part of our dynamic product team, you will leverage your expertise in Flutter development to design and implement innovative solutions that empower businesses to efficiently manage their financial transactions across borders.

About UsAt Rho, we're redefining banking for startups. Our innovative platform allows businesses to open accounts in mere minutes, issue cards, manage expenses, pay bills, and maintain financial records—all in one seamless experience supported by dedicated human assistance.About the RoleWe are seeking a skilled Senior Software Engineer with a focus on backend development to join our talented core product team in Belgrade. You will play a pivotal role in enhancing and scaling Rho's comprehensive finance platform.If you are passionate about technology and eager to expand your knowledge, you'll be working with the following tech stack:Python and GoGraphQLPostgreSQLDockerKubernetesGoogle Cloud Platform (GCP)

Overview Join our dynamic team at Telesign as a Senior OpenShift Engineer! We are seeking a passionate professional to lead our migration to the OpenShift platform and drive infrastructure excellence. Key Responsibilities Collaborate with business stakeholders to gather requirements and design innovative solutions that meet engineering standards and business objectives. Architect, implement, and manage Red Hat OpenShift clusters in both physical and virtualised on-premises environments. Take charge of systems engineering projects tied to OpenShift infrastructure. Partner with development teams to containerize applications, enhancing deployment and release processes. Create and maintain robust CI/CD pipelines utilizing OpenShift and related DevOps tools. Automate deployment and operational tasks with Ansible and other scripting tools. Execute patching and upgrades for OpenShift clusters, ArgoCD, GitLab CI, and associated components, adhering to change-management protocols. Design and maintain strategies for backup, disaster recovery, and redundancy. Participate in on-call/standby rotation to support critical platform and infrastructure services, ensuring service continuity. Oversee daily operations, including trend analysis, root cause analysis, monitoring, and troubleshooting to maintain high availability and reliability. Implement security best practices, including RBAC, vulnerability management, and compliance controls. Enhance alerting, monitoring, and observability across OpenShift and related systems. During downtime of OpenShift-related tasks, perform general system administration, including Linux server administration and infrastructure maintenance. Develop and maintain comprehensive documentation, including architecture diagrams, operational procedures, and runbooks. Facilitate knowledge transfer, mentoring, and training sessions for colleagues on OpenShift, GitLab, and associated infrastructure technologies.

Become a vital part of our Automotive team and contribute to the evolution of a cutting-edge platform that drives next-generation digital mobility solutions. As a Senior Backend/Platform Engineer, you will be tasked with designing and developing scalable, high-performance backend systems that cater to millions of users and intricate automotive ecosystems. If you have a passion for clean architecture, platform innovation, and developing impactful systems, we would love to connect with you.Your ResponsibilitiesCollaborate with a dynamic cross-functional team to deliver meaningful product increments.Design and implement production-ready Java services adhering to established engineering standards and best practices.Engage in architectural decisions and technical dialogues, influencing the development of our backend and platform capabilities.Manage the production operation and monitoring of backend systems.Enhance and maintain systems in cloud-native environments, specifically AWS and Kubernetes.Focus on improving the reliability, scalability, and maintainability of our platform continuously.Contribute to CI/CD pipelines and infrastructure configuration relevant to backend services.Mentor team members and support their technical development proactively.

Easygo, a leading Australian technology firm, powers globally recognized brands such as Stake, KICK, and Twist Gaming. As we expand our engineering capabilities in Belgrade, we are seeking a Senior Software Quality Engineer to join our Data and Integration Infrastructure team. This is an exciting opportunity to influence the platforms and systems that drive our products worldwide. About the Team You will become part of a dynamic engineering team that accelerates product and service teams working on KICK. The team is tasked with creating and maintaining shared platform capabilities that enhance the reliability, consistency, and developer experience across the platform. Our team is responsible for foundational components such as event pipelines, schema governance, service gateways, and notification delivery. These systems ensure reliable communication between KICK's services, with accurate, observable, and analytics-ready data flows across the platform. By delivering robust and well-architected platform primitives and templates, we play a pivotal role in shaping how KICK is developed and scaled, optimizing workflows, minimizing redundancy, and establishing a solid foundation for reliable integrations and data-driven decision-making. Who We’re Looking For We are in search of a seasoned Senior Quality Engineer to guarantee the reliability, scalability, and safety of KICK's core platform systems. This role involves collaborating closely with engineers to integrate quality practices throughout the development lifecycle, ensuring that platform components—like event pipelines and service gateways—are robust, testable, and safe for use by teams across KICK. If you are driven by the desire to enhance system reliability, facilitate rapid and assured software delivery, and thrive in a collaborative, high-impact engineering environment, this position offers a chance to shape the quality foundations of the KICK platform. Key Responsibilities: Integrate quality practices within Agile product teams while implementing the broader QA strategy across the SDLC. Work closely with developers, product managers, and designers to establish acceptance criteria, refine testability, and maintain a unified understanding of quality objectives. Engage in code reviews and technical design discussions, providing insights on testability, risk, and quality impact early in the development cycle. Identify testing risks and devise appropriate testing strategies for critical system components.

P-1415 At Databricks, our mission is to transform the data lifecycle by simplifying processes from data ingestion to ETL, BI, and extending to ML/AI through a unified platform. We envision a future where traditional data warehouse architectures are superseded by an innovative pattern known as the Lakehouse (CIDR 2021 paper), which merges data warehousing with advanced analytics. This paradigm shift addresses critical challenges like data staleness, reliability, total cost of ownership, data lock-in, and the limitation of use-case support. To realize this vision, we are developing a cutting-edge query engine and structured storage system designed to exceed the performance of specialized data warehouses in relational queries. We aim to preserve the expressiveness and robustness of general-purpose systems like Apache Spark™ to accommodate various workloads, including ETL and data science. Join us on this multi-year journey. As a member of our team, you will be involved in designing next-generation systems set to redefine industry standards in several key areas: Query compilation and optimization Distributed query execution and scheduling Vectorized execution engine Data security Resource management Transaction coordination Efficient storage structures (encodings, indexes) Automatic physical data optimization Your Responsibilities: Clarify requirements and drive design decisions for ambiguous problems Create technical design documents and project plans Develop new features Mentor junior engineers Test, deploy to production, and monitor outcomes.

Renesas Electronics Corporation seeks a Senior Backend Software Engineer based in Belgrade. The position centers on developing and maintaining backend systems that power advanced technology initiatives. Role overview This engineer will work on backend infrastructure, ensuring reliability and scalability for ongoing projects. The work involves supporting complex technology solutions that require careful planning and execution. Collaboration Regular interaction with colleagues from various disciplines is expected. Teamwork and clear communication are important, as projects often span multiple areas of expertise.

Tenstorrent is seeking a Senior Staff Engineer focused on driver development in Belgrade, Serbia. This position centers on creating and improving driver solutions to boost system performance and functionality. Role overview Work closely with teams across hardware and software to design, implement, and refine driver architectures. The goal is to deliver reliable and efficient drivers that support advanced system requirements. Key responsibilities Design and implement driver solutions tailored to system needs Collaborate with cross-functional groups to innovate and optimize driver architectures Focus on reliability and efficiency throughout the development process Location This role is based in Belgrade, Serbia.

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.

Join Tenstorrent as a Senior Software Engineer specializing in AI Compiler development. In this role, you will collaborate with a talented team to create cutting-edge compiler technologies that enhance AI performance.

Tenstorrent is at the forefront of groundbreaking AI technology, setting new benchmarks for performance, usability, and cost-effectiveness. As AI reshapes the computing landscape, our solutions are designed to integrate advancements in software models, compilers, platforms, networking, and semiconductors. Our talented team has crafted a high-performance RISC-V CPU from the ground up and is united by a shared enthusiasm for AI and a commitment to creating the premier AI platform. We cherish collaboration, curiosity, and a relentless drive to tackle complex challenges. We are expanding our team and are on the lookout for contributors at all experience levels.Become a part of our Inference Server Technologies team, where we create software that drives cutting-edge AI inferencing on Tenstorrent’s innovative hardware. Our team focuses on building the layer that operates on top of Tenstorrent's ML libraries—designing APIs, deploying workloads, and benchmarking end-to-end inference speed. You will play a crucial role in shaping how developers engage with and scale model execution on Tenstorrent’s infrastructure.This role is hybrid based in Belgrade, Serbia.We encourage candidates of all experience levels to apply. During the interview process, we will evaluate candidates for the appropriate level, and offers will be tailored accordingly.

Role Overview Tide is looking for a Senior Staff Software Engineer to help shape the Agentic Platform. This platform aims to support small businesses with advanced technology. The position focuses on designing, building, and refining software that improves both user experience and operational workflows. Collaboration and Impact This engineer will partner with teams across disciplines to deliver solutions that matter. The work will directly influence how small businesses interact with Tide’s products and services.

Join our dynamic team as a Senior Full-Stack Engineer at Xsolla, where you will play a pivotal role in designing and developing innovative software solutions. This position offers an exciting opportunity to work on diverse projects in a fast-paced environment.

Join easygo, an innovative Australian technology powerhouse, as we continue to expand our engineering footprint in Belgrade. We are on the lookout for a Senior Backend Engineer to become a vital part of our Data and Integration Infrastructure team, responsible for architecting and enhancing the platforms that drive our global offerings.About the TeamYou will collaborate with a talented engineering group dedicated to empowering product and service teams, particularly on Kick. Our team is focused on developing and sustaining foundational platform capabilities that support the core systems of Kick, enhancing reliability, consistency, and the overall developer experience.Our responsibilities include ownership of essential components such as event pipelines, schema governance, service gateways, and notification delivery systems. These elements guarantee that Kick’s services communicate effectively and that data transactions across the platform are accurate, observable, and primed for analytics.By delivering robust, well-architected platform foundations and templates, our team significantly influences how Kick is constructed and scaled, streamlining workflows, minimizing redundancy across teams, and establishing a solid base for reliable integrations and data-informed decision-making.Who We’re Looking ForWe seek a Senior Backend Engineer proficient in Go, who is passionate about building platform-level capabilities that empower engineering teams to operate more efficiently and securely.The ideal candidate will take pride in designing and maintaining dependable, scalable systems, understanding the crucial impact that strong platform foundations have on the success of a large, evolving organization.You should feel at ease working on core infrastructure and shared services, and possess a strong commitment to engineering excellence. You’ll value clean interfaces, well-defined contracts, and highly observable systems, approaching complex challenges in a pragmatic and thoughtful manner.As a senior engineer, you will be expected to:Independently tackle complex, high-impact projectsEngage meaningfully in technical discussions and architectural decisionsMentor and uplift others through code reviews, knowledge sharing, and teamworkIf you are motivated by enabling others and making a lasting impact, and if you thrive in environments where enhancing reliability, data quality, and developer experience is just as crucial as delivering new features, we want to hear from you!

First Circle stands at the forefront of financial technology in South-East Asia, transforming the landscape for underserved SMEs. Having successfully enabled thousands of small businesses in the Philippines to access credit, we are now embarking on an ambitious journey to create a comprehensive Neobank. Our offerings will encompass multi-currency bank accounts, payment solutions, foreign exchange, corporate credit cards, and payroll services.We are seeking talented mid-level and senior software developers to join our team during this pivotal year of growth. The challenge of building in emerging markets like the Philippines is significant, especially with the current state of digital infrastructure. By developing nearly everything in-house, we tackle complex problems that many startups have found insurmountable, and the prospect we have ahead is immense.

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 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.

Rivian and Volkswagen Group Technologies brings together two established automotive leaders to develop solutions for electric vehicles. The partnership focuses on operating systems, zonal controllers, and advanced cloud connectivity, aiming to raise the bar for software-defined vehicles worldwide. The team draws on experience in connectivity, artificial intelligence, and security to help shape a more connected and sustainable future for mobility. Role overview The Senior Software Engineer on the OTA Cloud Team works on systems that deliver ongoing software updates to vehicles after production. This position centers on designing and building distributed systems to manage updates across a global fleet. Day-to-day work involves developing resilient, highly available cloud services using AWS. What you will do Design and implement distributed cloud services that support over-the-air updates for vehicles Build scalable, reliable systems to manage updates for a global fleet Contribute to technical architecture and uphold high standards for code quality Mentor other engineers, sharing knowledge and supporting team growth Location This position is based in Belgrade.