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Experience Level
Experience
Qualifications
QualificationsProficiency in Python and experience with TypeScriptStrong understanding of systems engineering principlesExperience in developing multi-agent systemsFamiliarity with the gamedev domain, including analytics and payment processingAbility to work independently and collaboratively in a fast-paced environment
About the job
Aghanim is seeking a highly motivated AI Engineer to join our innovative team. In this role, you will design and develop production-ready multi-agent large language model (LLM) systems.
Your primary focus will go beyond simple coding; you will delve into understanding user needs and building systems that consistently meet these expectations.
This position leans more towards systems engineering and architecture rather than traditional machine learning.
You will have the autonomy to explore our API offerings and product workflows, creating agent-based solutions that are intricately connected with our platform.
About Aghanim
At Aghanim, we strive to push the boundaries of technology by creating innovative solutions that cater to diverse use cases. Our team is dedicated to harnessing the power of AI to improve product efficiency and user engagement.
Join our dynamic team at Xsolla as an AI Infrastructure Engineer, where you'll be at the forefront of innovating and optimizing our AI systems to enhance gaming experiences worldwide. You will collaborate with cross-functional teams to design, implement, and maintain robust infrastructure solutions that support cutting-edge AI applications.
Become a part of Perplexity AI as a Search Golang Engineer and play a crucial role in shaping the future of highly scalable, AI-driven search infrastructure. In this dynamic position, you will utilize your expertise in Golang to create, implement, and manage backend systems capable of efficiently processing millions of queries with unparalleled reliability.Responsibilities:Develop robust and scalable distributed backend services utilizing Golang.Design, enhance, and sustain search infrastructure to accommodate rapid traffic increases.Create cloud-native solutions focusing on horizontal scalability and quick failover capabilities.Establish comprehensive monitoring, autoscaling, and incident recovery mechanisms.Work closely with product, infrastructure, and DevOps teams to optimize throughput and system resilience.Lead improvements in CI/CD processes, automation, and operational excellence for backend systems.Mentor fellow engineers and advocate for scalable design principles throughout the organization.
At Perplexity, we are in search of a passionate Backend/Infrastructure Engineer Intern to join our dynamic and impactful team dedicated to enhancing our search capabilities. This role presents a unique opportunity to collaborate with seasoned engineers in designing, building, and maintaining the robust infrastructure and backend services that ensure Perplexity remains fast, reliable, and scalable.Internship Duration: 12 - 24 weeks, full-time, in-person at our Belgrade office.Key Responsibilities:Construct and uphold infrastructure that drives high-performance search systems, with guidance from senior engineers.Design and implement internal tools and automation to enhance developer workflows and operational productivity.Aid in the design, deployment, and monitoring of cloud-native systems utilizing AWS.Contribute to the optimization of CI/CD pipelines, testing infrastructure, and release processes.Debug and enhance Linux-based services, containers, and backend systems.Participate in coding for products, primarily utilizing Rust, Go, or C++.Qualifications:Currently pursuing a degree in Computer Science, Engineering, or a related field, or possess equivalent practical experience.Familiarity with at least one programming language such as Go, Rust, or C/C++, gained through academic coursework or personal projects.A basic understanding or exposure to cloud infrastructure (e.g., AWS) and Linux systems is advantageous, though not mandatory.A keen interest in infrastructure, distributed systems, or backend engineering, along with a willingness to learn about CI/CD, monitoring, and performance optimization.A proactive, inquisitive learner who thrives in a fast-paced, innovative setting.
About Unlimit Unlimit is a leading global fintech powerhouse, renowned for operating the largest proprietary payments infrastructure in the world.Established in 2009, Unlimit has expanded its reach across 17 international offices and employs over 700 experts. We integrate more than 1,000 payment methods into a unified platform, empowering businesses to scale across borders. Our comprehensive suite of financial tools encompasses payment processing, alternative payment solutions, multicurrency business accounts, card issuing, banking-as-a-service, and crypto on- and off-ramps.Our mission is to dismantle financial barriers, enabling seamless money movement globally. We equip innovative businesses with the resources to accept, send, and manage payments effortlessly, regardless of their location.About the RoleWe are in search of a proactive and experienced Senior System Administrator to oversee and support our on-premise IT infrastructure. This role is crucial in ensuring the high availability, security, and operational stability of our local systems. The ideal candidate will be structured, security-conscious, and adept at navigating a regulated fintech environment.
Speechify seeks a Software Engineer specializing in Data Infrastructure and Acquisition to join the team in Belgrade, Serbia. This position involves creating and maintaining systems that bring together information from many sources, directly shaping the way users interact with Speechify’s products. Key Responsibilities Design and build data infrastructure that meets product requirements Integrate data from multiple sources into established systems Work on projects aimed at improving user experience and strengthening platform performance 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.
Full-time|Remote|Remote — Belgrade, Vojvodina, Serbia
Founded in 1997, Libertex Group has been a pioneering force in the online trading sector, seamlessly blending cutting-edge technology with market dynamics and digital innovations.The award-winning Libertex trading platform provides traders with the tools to engage in the market, offering opportunities to invest in stocks or trade CFDs linked to commodities, Forex, ETFs, cryptocurrencies, and more.Passionate about the unifying power of sports, Libertex proudly serves as the Official Online Trading Partner of the Audi Revolut F1 Team.Join us in creating innovative fintech solutions, empowering individuals to #TradeForMore with Libertex.Job OverviewWe are seeking a skilled Infrastructure Engineer to architect, deploy, and maintain robust and secure infrastructure solutions on AWS and in remote data centers. The successful candidate will have a strong emphasis on automation, utilizing Terraform and Terragrunt, and will possess an extensive background in cloud networking and infrastructure as code. Proficiency in proactive monitoring, troubleshooting, and effective communication within cross-functional teams is essential.
Join our dynamic team at SMG Swiss Marketplace Group as an AI Engineer. In this pivotal role, you will leverage cutting-edge technologies and methodologies to develop and implement AI solutions that drive innovation and enhance user experiences. You will work collaboratively with cross-functional teams to analyze complex data, design algorithms, and create intelligent systems that solve real-world problems.
Flosum builds DevOps and data protection solutions for enterprise Salesforce teams. As we expand our use of AI to accelerate pipeline generation, customer retention, and product delivery, we are hiring our first AI Go-to-Market Engineer. This is a remote role based in Serbia. Role Overview This position focuses on building and deploying AI agents and automation to strengthen every stage of our revenue process, from first contact through closing and customer expansion. The AI Go-to-Market Engineer will work closely with revenue operations, sales, marketing, and customer success teams. The goal: increase productivity and drive measurable impact using AI systems. This role reports directly to the CEO. What You Will Do Within your first 30 days, deploy and personally train an AI SDR agent for inbound qualification (from Qualified/Marketo) or outbound prospecting (via Outreach). Run weekly refinement cycles until the AI outperforms the lower tier of our human BDR team. Build an AI-powered inbound qualification system to capture, score, and route every website visitor and form submission in real time. Ensure no leads are missed, and account executives focus only on highly qualified prospects. Increase AE revenue-generating time from about 25% to over 50% by automating CRM upkeep, call summarization (using Gong), follow-up sequences, proposal creation, and pipeline updates, removing administrative tasks that don’t drive revenue. Design an AI framework across Flosum’s GTM stack (Salesforce, Marketo, Outreach, Qualified, Gong) to enable seamless data flow between systems without manual entry. Ensure every customer interaction is tracked, and AI agents learn and share insights in a continuous feedback loop centered on Salesforce. Create and manage an AI-driven competitive intelligence system that monitors competitors, pricing changes, and product launches. Deliver structured insights to sales and product teams each week. Use AI to generate hyper-personalized outbound campaigns at ten times current volume, without increasing headcount. Research accounts and craft tailored messaging based on ICP signals (such as Salesforce team size, DevOps tools, and compliance needs like DORA), and coordinate multi-channel outreach (email, LinkedIn, phone). Establish a closed-loop data feedback process linking BDR activities, pipeline results, and AI agent performance. Refine ICP targeting, messaging, and channel strategies weekly using real conversion metrics. Implement AI-assisted customer health scoring and churn prediction models to identify at-risk accounts before renewal. Provide actionable triggers for the customer success team based on usage data. Location Remote , Serbia
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.
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.
Aghanim is seeking a highly motivated AI Engineer to join our innovative team. In this role, you will design and develop production-ready multi-agent large language model (LLM) systems.Your primary focus will go beyond simple coding; you will delve into understanding user needs and building systems that consistently meet these expectations.This position leans more towards systems engineering and architecture rather than traditional machine learning.You will have the autonomy to explore our API offerings and product workflows, creating agent-based solutions that are intricately connected with our platform.
Join Unlimit as an AI Quality Assurance Engineer, where you will play a pivotal role in ensuring the highest quality standards for our innovative backend systems and user-friendly interfaces that manage card transactions from start to finish. In this dynamic position, you will not only perform testing but will also integrate quality assurance deeply into our payment infrastructure, guaranteeing reliability, precision, and compliance in our high-volume, cloud-native environment. Be part of a team that is dedicated to breaking down financial barriers and facilitating seamless money movement across borders.
Role Overview JetBrains is hiring a QA Engineer to support quality and performance for AI assistant features across several locations in Europe. This role centers on testing and improving AI-driven product capabilities, working closely with developers and product managers to maintain high standards for users.
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.
Join JetBrains, a pioneer in software development tools, as we create an innovative AI-native platform that revolutionizes developer workflows, enhances team collaboration, and strengthens organizational governance. This ambitious project represents a significant commitment to our vision for the future of software development, seamlessly integrating with existing developer tools across diverse teams, products, and environments.We are seeking a seasoned and proactive Full-stack QA Engineer to contribute to our functional and performance testing initiatives.
Join us in developing a robust and verifiable evaluation suite of Terminal-Bench tasks aimed at pushing the boundaries of large language models in addressing multilingual software challenges. Our mission is to assess multilingual resilience by investigating prompt language influences, processing non-English data, and navigating intricate locale and encoding scenarios in terminal workflows.We are looking for skilled native-speaking software engineers to conceptualize, construct, and validate these benchmarks. Your role will involve designing high-quality, impactful tasks that effectively evaluate a model's proficiency in multilingual contexts without depending on English translations.Note: This is a remote, freelance opportunity.Key Responsibilities- Task Engineering: Assessing Coding Agents.- Asset Creation: Develop realistic task environments utilizing datasets and files in your native language. Importantly, these assets must remain in the target language to accurately evaluate multilingual capability.- Prompting & Translation: Identifying failure points where AI struggles in your native language.- Implementation & Verification: Aid in creating robust solutions (reference implementations) and craft highly dependable verifier scripts (using rubric-based judging only as absolutely necessary).- Calibration & Execution: Analyze execution logs and adjust task complexity (ranging from Easy to Very Hard) using standard Terminal-Bench run configurations across various model tiers (Haiku, Sonnet, Opus).- Quality Assurance: Engage in a meticulous, four-layer human quality control process (creation, human review, calibration review, and audit) combined with automated LLM-based checks to uphold fairness, grammatical precision, and benchmark integrity.
Rivian and Volkswagen Group Technologies brings together two automotive leaders focused on shaping the future of mobility. This partnership emphasizes electric vehicle advancements, operating systems, connectivity, and intelligent solutions. The combined team works to improve how vehicles and systems connect, use artificial intelligence, and maintain security, all with the goal of creating smarter and more sustainable transportation. Role overview The Data Engineering Intern - Analytics and AI will join an engineering group responsible for building and refining the data infrastructure behind analytics, AI projects, and operational insights. This internship blends data engineering, analytics, and applied AI, offering hands-on experience with production-scale datasets and cloud-based analytics platforms. The team focuses on creating reliable data pipelines, developing analytical models, and automating workflows using modern AI tools. What you will do AI-driven analytics development: Apply AI tools to design intelligent scenarios that make complex data requests easier, enabling teams to answer key business questions quickly. Creation of intelligence playbooks: Develop and document playbooks for recurring data needs, setting standards for analysis and data audits with AI-based methods. Pipeline engineering: Build and maintain ELT pipelines using Python and SQL to support core AI-driven processes. Analytics engineering: Help create data models that convert raw telemetry into clean, usable datasets, providing a trustworthy source of truth. System and performance optimization: Monitor and improve data platforms to ensure they remain reliable and efficient for delivering insights. Collaboration: Act as a technical bridge between Engineering and Analytics teams, supporting communication and teamwork. Location This internship is based in Belgrade.
At d-Matrix, we are dedicated to unlocking the transformative power of generative AI. Positioned at the forefront of software and hardware innovation, we continuously challenge the limits of technological possibilities. Our workplace thrives on respect and collaboration.We embrace humility and prioritize open communication. Our inclusive team values diverse perspectives, leading to innovative solutions. We are on the lookout for passionate individuals eager to tackle challenges and driven by results. Ready to explore your potential? Together, we can shape the limitless future of AI.The Role: Senior Staff Software Engineer - AI KernelsLocation:Hybrid, working on-site at our Belgrade, Serbia office 3-5 days a week.What You Will Do:You will join a dynamic team responsible for productizing the software stack for our AI compute engine. Your role will involve the development, enhancement, and maintenance of software kernels tailored for next-generation AI hardware. With your extensive experience in building software kernels for hardware architectures, you will apply your deep understanding of various hardware systems and effectively map algorithms to these architectures. You will also be adept at translating computational graphs from AI frameworks into optimized implementations. Your comprehensive knowledge across the full-stack toolchain will enable you to navigate the complexities of hardware-software co-design, allowing you to deliver scalable software solutions within tight timelines. Collaborating closely with compiler experts, you will help develop robust compiler infrastructure while engaging with other software (ML and systems) and hardware (mixed signal, DSP, and CPU) specialists within the company.What You Will Bring:Minimum:An MS in computer engineering, mathematics, physics, or a related field coupled with 10+ years of industry experience, or a PhD in a pertinent area with at least 1 year of professional experience.A solid understanding of computer architecture, data structures, system software, and machine learning principles.Proficiency in C/C++ and Python development within Linux environments, with familiarity in using standard development tools.Experience in implementing algorithms using high-level programming languages such as C/C++ and Python.
About SmartcatAt Smartcat, we are redefining the future of work by integrating human expertise with advanced digital teammates, achieving unprecedented productivity boosts for leading global enterprises.We stand at the forefront of a groundbreaking category: Agentic AI. Our technology empowers organizations to cultivate high-performing hybrid teams comprised of both human professionals and AI agents. These AI agents are not merely assistants; they are fully trained digital colleagues, ready to contribute from day one by learning from your top talent, resources, and strategic vision.Our innovative platform merges generative AI capabilities with human-in-the-loop workflows, supported by a dynamic Enterprise Skill Graph that continually evolves and enhances. Whether you're globalizing a product, onboarding new employees, translating educational materials, or coordinating legal teams across borders, Smartcat transforms knowledge into actionable results and scales those results effectively.Over 1,000 enterprises, including 20% of the Fortune 500, depend on Smartcat for seamless, precise, and multilingual business operations. As a Series C company experiencing 130% annual growth, we are rapidly expanding and keen to invest in individuals who aspire to shape the future of work alongside us.Join us as we unlock global potential, one human and AI team at a time.MissionAs a Senior AI Translation Engineer, you will play a pivotal role in enhancing our platform's translation functionalities. Utilizing your machine learning expertise—including applied research, fine-tuning, benchmarking, and inference optimization—you will deliver high-performance solutions that drive essential features for our expanding clientele.
