Infrastructure Engineer - Remote or Relocation to Montenegro

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.

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.

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.

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.

Renesas Electronics Corporation seeks a Senior DevOps/Site Reliability Engineer based in Belgrade. The main focus is on maintaining and improving cloud infrastructure, with particular attention to system reliability and performance. Main responsibilities Develop and implement automation tools for deployment and monitoring in collaboration with teams across the company Work to improve cloud infrastructure to ensure stable and efficient operations Optimize processes to support the delivery of reliable, high-quality services to clients Collaboration and teamwork This role requires working closely with cross-functional teams. The goal is to streamline workflows and enhance system performance by focusing on automation and proactive monitoring.

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.

Role overview constructorknowledge is seeking an Application Security Engineer to join the team in a fully remote capacity within Europe. The main focus is on improving the security of web applications and promoting secure development practices across the organization. What you will do Design and review security controls for web applications Integrate secure development methodologies into project workflows Perform vulnerability testing to identify and resolve security risks Manage and implement Software Bill of Materials (SBOM) for applications Support and maintain a secure Software Development Life Cycle (SDLC) Contribute to reducing software supply chain risks Location This role is fully remote and open to candidates based anywhere in Europe, including those in Serbia and Belgrade.

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 WingWing stands as a leader among the world’s largest virtual talent companies, proudly backed by venture funding and headquartered in San Francisco. By harnessing our extensive global reach, a vast pool of applicants, and profound operational expertise, we are pioneering the development of next-generation AI and automation solutions. We empower businesses on both sides to streamline workflows, enhance revenue generation, and access top-tier global talent.In line with our evolution, we are launching a high-performance outbound engine aimed at connecting with SMBs and mid-market enterprises on a large scale. This initiative calls for a unique position that amalgamates engineering prowess, automation, rapid experimentation, and go-to-market execution.About the RoleWe are seeking a dedicated full-time GTM Automation Engineer to design, automate, and refine our outbound growth systems. This hybrid role integrates expertise in Clay automation, light engineering, outbound infrastructure development, experimentation, and effective copywriting.In this position, you will construct and sustain the engine propelling our outbound efforts: Clay workflows, enrichment pipelines, domain infrastructure, multi-tool integrations, personalization systems, and data dashboards. You will execute rapid experiments, produce conversion-oriented outbound copy, troubleshoot deliverability issues, and escalate sending volumes across extensive lead databases.Your collaboration with our marketing, product, and sales teams will be paramount, yet you will take ownership of your domain with significant autonomy. The systems you engineer will have a direct impact on pipeline generation, revenue growth, and our go-to-market strategy. This role is highly technical and impactful, blending engineering with growth, and your contributions will be substantial.ResponsibilitiesYou will oversee the complete outbound automation ecosystem, which includes:1. Clay Workflows & Lead Infrastructure- Develop sophisticated Clay workflows for scraping, enrichment, validation, scoring, routing, and personalization.- Utilize APIs, webhooks, and custom coding to automate data pipelines.- Create ICP logic, trigger systems, and multi-step lead flows.2. Multi-Domain Email Infrastructure, Deliverability, and Verification- Establish hundreds to thousands of domains, including warming, DNS settings, DMARC, DKIM, and SPF.- Construct scalable campaign systems in Instantly using Apollo data.- Master the intricacies of email verification with tools like LeadMagic, BounceBan, and others.- Ensure deliverability and sending health across all domains.- Implement verification, cleansing, and bounce prevention measures.3. Experiments & Optimization- Conduct multiple outbound experiments weekly, driving continuous optimization.

Join Unlimit as a Site Reliability Engineer (SRE) and play a crucial role in enhancing the reliability, scalability, and performance of our innovative fintech platform. Collaborate with cross-functional teams to design, implement, and maintain cloud-based infrastructure and distributed systems. Your expertise in Linux systems engineering, Kubernetes, and automation will be pivotal in driving service availability, operational excellence, and a culture of continuous improvement.

Role overview Sperasoft seeks a Rendering Developer to work remotely from Belgrade, Vojvodina, Serbia. The main focus is on creating and refining graphics engine components for PC and console games. This position involves both building new rendering features and tuning existing systems for better performance and visual results. What you will do Design and implement graphics engine components across several gaming platforms. Optimize rendering systems at multiple levels to boost efficiency. Write C++ code that is clean, efficient, and easy to maintain. Influence technical choices and contribute to the direction of rendering architecture. Participate in all stages of game development, from prototype through release. Collaborate with engineers, artists, designers, and QA to help deliver polished games. Mentor junior engineers and share knowledge within the team.

Join TechBiz Global, a premier recruitment service provider catering to top-tier clients. We are on the lookout for an enthusiastic and meticulous Media Team Lead to spearhead one of our clients' teams. If you are seeking a thrilling opportunity to advance your career in an innovative setting, this role could be your ideal match.Key Responsibilities:Guide and motivate a team of Media Buyers in a vibrant, fast-paced atmosphere.Build and nurture relationships across various channels with effective leadership and communication skills.Leverage data analytics to uncover opportunities and steer strategic actions for the team.Inspire the team to meet and exceed monthly expenditure and revenue targets.Collaborate with internal stakeholders to boost productivity and enhance outcomes.

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.

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.

About the CompanyJoin a pioneering SaaS company that is transforming data privacy and security for enterprises globally. With a strong foothold in the market and partnerships with Fortune 100 companies, our client is at the forefront of privacy technology, leveraging AI, machine learning, and advanced analytics to shape the future.The MissionOur client is dedicated to fostering a better society by promoting robust data protection legislation, diligently safeguarding customer data, upholding individual privacy rights, and building trust between businesses and their clients through increased transparency.The OpportunityAs a Remote Full Stack Developer (PHP), you will be responsible for designing and developing scalable SaaS solutions that secure user data and streamline compliance for enterprise clients around the world. Working closely with technical leads and the executive team, you will have the freedom to impact technical choices, spearhead feature development, and contribute to innovative products that are redefining the privacy sector.What You'll DoDevelop secure, high-performance web applications and APIs using JavaScript, React, and Node.jsCreate efficient algorithms and enhance applications for high-traffic SaaS environmentsImprove application performance, security, and browser compatibilityCollaborate with a distributed engineering team to deliver key features on tight deadlinesLead the technical implementation of complex interfaces and influence architectural decisionsFoster a culture of continuous learning, innovation, and knowledge sharingWhat You BringBachelor's degree in Computer Science or a related field (mandatory)4+ years of experience as a Full Stack Developer or with JavaScript/React/Node.jsStrong knowledge of object-oriented programming and proficiency in Linux command lineExperience building scalable, load-balanced web applications and RESTful APIsAbility to thrive in fast-paced, small team environments with competing prioritiesSolid expertise in Java, PHP, C++, or C, along with frontend frameworks (ReactJS, jQuery, Bootstrap)

Join JetBrains, a leading software development company known for creating innovative tools for developers, as a Security Engineer specializing in Identity and Access Management (IAM). In this role, you will be pivotal in ensuring the security and integrity of our systems by managing user identities and access control mechanisms.

Join Databricks as we embark on a transformative journey to revolutionize the data lifecycle, from ingestion through ETL, BI, and into the realms of ML/AI, all within a unified platform. Our vision is to transition from traditional data warehouse architectures to the innovative Lakehouse paradigm, as detailed in the CIDR 2021 paper. This new architecture addresses critical challenges such as data staleness, reliability, total cost of ownership, data lock-in, and limited use-case support.At Databricks, we are developing the next generation of decoupled query engines and structured storage systems designed to surpass specialized data warehouses in relational query performance. Our goal is to maintain the expressiveness and robustness of general-purpose systems, like Apache Spark™, to accommodate diverse workloads, ranging from ETL to advanced data science applications. You will play an essential role in this multi-year endeavor.As a valued member of our team, you will be tasked with designing cutting-edge systems that leapfrog current state-of-the-art technologies in the following areas:Query compilation and optimizationDistributed query execution and schedulingVectorized execution engineData securityResource managementTransaction coordinationEfficient storage structures (encodings, indexes)Automatic physical data optimization