Senior C++ Developer - Search Core

At Perplexity, we are seeking a talented Senior or Expert C++ Developer to become an integral part of our dynamic Search Core team. This pivotal role involves shaping the future of our search technologies and products. You will influence major architectural, design, and implementation decisions that define our technical infrastructure.Key ResponsibilitiesDes…

Join Us as a Senior Software Developer (Kotlin Build Tools) At JetBrains, we are driven by our passion for code. Since our inception in 2000, we have dedicated ourselves to creating the most powerful and efficient developer tools available. Our tools automate routine checks and corrections, accelerating production and allowing developers to innovate and create freely. Kotlin, a language developed by JetBrains, is a modern programming language that targets Java, Android, JavaScript, WASM, and native (LLVM) platforms. Launched in 2016, Kotlin has quickly gained traction, and in 2019, it was recognized as Google's preferred language for Android development, subsequently becoming a leading choice for server-side development. A robust build system is essential for any programming language, including Kotlin. Our goal is to streamline the integration of Kotlin-supporting build systems within IntelliJ IDEA. We are committed to ensuring that Kotlin projects are accurately represented in the IntelliJ IDEA model, and that the import process is swift and reliable. We currently support various build systems such as Gradle, Maven, and IntelliJ IDEA’s in-built JPS, with potential plans to expand our offerings. We are seeking a seasoned Software Developer with a solid foundation in software engineering to join our team and contribute to this exciting endeavor. Our codebase is primarily written in Kotlin and Java 11, managed in Git repositories, some of which are publicly available on GitHub. Your Role: Develop and enhance tools for integrating Kotlin with various build systems. Refine Kotlin’s integration from build system representations into the IntelliJ IDEA project model. Focus on import performance improvements, reliability, and introducing new features. What We’re Looking For: A passion for solving complex and challenging problems. A minimum of five years of professional experience in Kotlin or Java development. A desire to enhance Kotlin support within IntelliJ IDEA. Ability to design and write clear, maintainable code. A solid understanding of the algorithms behind your code. Strong collaboration skills, with the ability to listen to others and provide sound reasoning for your ideas. A commitment to professional growth through mastering new technologies and methodologies. A sense of pride in your work. A keen interest in improving the Kotlin developer experience.

Acumatica seeks a Senior Software Developer in Belgrade to focus on Warehouse Management Systems (WMS). This role centers on creating and maintaining software that streamlines warehouse operations for clients. Key responsibilities Design, build, and maintain scalable software solutions for warehouse management Collaborate with teams across functions to deliver reliable, high-quality products Support ongoing improvements as customer needs evolve Role focus This position emphasizes both building new features and supporting existing WMS software. The work involves close coordination with colleagues to ensure solutions meet client requirements and adapt to changing business needs.

SMG Swiss Marketplace Group is looking for a Senior iOS Engineer to join the team in Belgrade. This position centers on developing and refining mobile applications with a wide reach. The team values both technical expertise and a careful eye for user experience. Role overview This engineer will collaborate closely with colleagues from product, design, and engineering to shape and deliver new features for iOS applications. The work involves maintaining a high standard for code quality and app performance. What you will do Partner with cross-functional teams to define and implement new iOS app features Write clear, maintainable code that meets quality and performance goals Support the reliability and responsiveness of mobile applications Take part in architectural and technical discussions for ongoing app improvement Location This role is based in Belgrade.

Role overview Renesas Electronics Corporation is seeking a Senior QA Engineer in Belgrade. The role centers on both full-stack development and automation-heavy testing, helping ensure software is dependable and meets high quality standards. What you will do Design and build automated test frameworks for software products Create and carry out thorough test plans Collaborate with cross-functional teams to identify and resolve software issues Support ongoing efforts to improve software quality and performance Team culture This group values technical skill and close teamwork. The team is dedicated to producing software that consistently meets demanding standards for quality and customer satisfaction.

Join our dynamic team at BlueCat Networks as a Senior Software Developer! In this role, you will be responsible for designing and implementing innovative software solutions that enhance our product offerings. You will collaborate closely with cross-functional teams to ensure high-quality deliverables that meet our clients' needs.

At JetBrains, we are passionate about coding. Since our inception in 2000, we have dedicated ourselves to developing the most powerful and efficient developer tools available. By automating routine checks and corrections, our tools enhance productivity, empowering developers and businesses to innovate and excel.IntelliJ IDEA transformed the Java development landscape in 2001, being the first IDE to introduce automated code refactoring. It continues to lead the charge in software innovation, boosting productivity for thousands of developers daily. Beyond Java, IntelliJ IDEA supports various significant programming languages, including Ruby, Groovy, Scala, Python, JavaScript, Objective-C, PHP, and Kotlin.We are currently on the lookout for a dedicated Full-Stack QA Engineer to join our dynamic IntelliJ IDEA team on an exciting new project – the IntelliJ LSP initiative. This role emphasizes adaptability, multitasking, and a hands-on approach to maintain high quality while facilitating rapid product iterations.

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 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.

Join the Acumatica team as an Intern Developer, where you'll play a pivotal role in creating innovative, production-grade cloud-based ERP, CRM, and web applications using Microsoft technologies such as .NET, C#, and MS SQL Server. This summer internship (3-month contract, 40 hours per week) is a fantastic opportunity to work alongside experienced developers in our Belgrade office, located in the Skyline Afi Tower (Kneza Miloša 88a, Skyline offices, building C, the tallest tower, 2nd floor).Key Responsibilities:Contribute to the design and development of business applications and customizations.Develop data access layers, business objects, and presentation layers.Research and prototype ERP modules utilizing emerging technologies.Support existing code through optimization and refactoring.Analyze code to identify and rectify errors in functionality.Provide guidance and support to developers within Acumatica’s development network.

Role overview Xsolla seeks a Lead Quality Assurance Engineer based in Serbia. This role guides quality assurance activities to help ensure software products meet high standards for both quality and performance. What you will do Oversee quality assurance processes for software releases Apply established testing methodologies to maintain product quality Collaborate with developers and product managers to shape testing strategies Support improvements to development and QA workflows Lead and mentor members of the QA team Requirements Background in software quality assurance and testing methodologies Demonstrated leadership skills within QA or engineering teams Ability to work collaboratively across engineering and product functions

At JetBrains, we are dedicated to crafting the most powerful and efficient developer tools available globally. Our products empower developers to innovate, explore, and create with ease. Over eight million developers worldwide accelerate their workflows with our tools, allowing them to focus on design and the broader objectives, leading to more imaginative and impactful outcomes.We are in search of a skilled QA Automation Engineer to join our Dev Environments team. In this role, you will play a crucial part in ensuring the quality and reliability of WSL, Docker, Kubernetes, Dev Containers, and other virtualized development environment tools within the IntelliJ-based product family.As a QA Automation Engineer, your responsibilities will extend beyond writing tests; you will:Enhance the team's confidence in product quality: Your automation efforts will enable quicker iterations while preserving stability.Collaborate with QA Engineers to foster a quality-centric culture: You will champion testability and quality throughout the development lifecycle.Tackle complex challenges: Testing developer tools will provide opportunities to engage with intricate technical scenarios and showcase your strong analytical skills.

About the RoleAs a Senior Frontend Engineer, you will take on a pivotal technical leadership role with significant influence across our Real Estate division. Your work will be essential in shaping and advancing the frontend architecture that powers our portals, developing shared frontend solutions utilized by various teams, and coordinating intricate cross-team initiatives.Your Responsibilities Will Include:Driving the evolution of our Real Estate frontend architecture to meet future needs, establishing and enhancing SLAs/SLOs, and proactively identifying potential impacts across systems in collaboration with senior engineers and principals.Designing and developing shared frontend libraries, components, and tools (e.g., design systems, performance tools) that are widely adopted by internal teams, with a focus on practical, reusable solutions and promoting their usage.Leading multi-system refactors and migrations (e.g., framework upgrades, cross-product harmonization), breaking them down into manageable, actionable components, and coordinating with engineers, product teams, and other stakeholders.Serving as the primary contact across teams and locations for frontend-related topics, influencing the development of web experiences within the Real Estate organization.Providing mentorship and coaching to other engineers through structured guidance, pair programming, and feedback, aiding in their professional development and addressing any skill gaps within the organization.Promoting a constructive feedback culture, assisting team members in navigating difficult conversations and conflicts in a positive, solution-oriented manner.Identifying and advocating for improvements in team and inter-team processes that enhance focus, quality, and efficiency when necessary.While you will still engage in coding, your impact will be equally measured by how you enhance the productivity of others as by your individual contributions.Your Daily ActivitiesYou will be a member of a dedicated product team, balancing your time between product delivery and leadership responsibilities based on current priorities.Innovating, designing, implementing, and deploying frontend-focused engineering solutions for our Real Estate products, from initial discovery through to production.Taking ownership of the comprehensive technical vision for key user journeys such as Homegate and Immoscout24, ensuring a strong emphasis on performance, accessibility, UX quality, and reliability.Leading cross-team frontend initiatives (e.g., shared design system enhancements, cross-brand UI harmonization, performance budgets, or observability patterns). Detecting and addressing technical bottlenecks that affect core user journeys.Identifying and addressing technical bottlenecks that impede performance in core user journeys or create build-time inefficiencies, advocating for their resolution.

Join Our Innovative Team! We are excited to announce that our dynamic online marketplaces, tutti.ch and anibis.ch, are on the lookout for a talented Senior Backend Engineer to enhance our team. At SMG, we prioritize our people—discover more about our culture from your future hiring manager, Nikola Cvorovic. Your Role in Our Backend Team At tutti.ch/anibis.ch, we operate within stream-aligned product teams that utilize the SCRUM framework. Each team is composed of 2–3 Backend Engineers, a Product Owner, an Engineering Manager, Designers, and Mobile and Web Engineers. Collaboration is key as our teams work closely with Platform (infrastructure) and Data (BI) teams, with each product team responsible for a specific domain. As an engineer, you will take charge of design, implementation, deployment, and monitoring. We leverage Go-based backend services hosted on AWS with Kubernetes, serving over 300k users daily. Code review and deployment occur directly from GitHub. Our technology stack includes PostgreSQL, Elasticsearch, Redis, SendGrid (for emails), and Auth0 (for authentication). We ensure high test coverage with tools like Testify, including integration tests for databases, Redis, and Kafka.

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.

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.

At JetBrains, we are passionate about code. Since our inception in 2000, we have dedicated ourselves to crafting the most powerful and effective developer tools available. By automating routine checks and corrections, our tools enhance productivity, allowing developers to innovate, explore, and create freely. The Version Control Experience team, part of the IntelliJ Platform division, is dedicated to refining version control workflows across all JetBrains IDEs. Our goal is to ensure that from the moment a user clones a project to exploring its branches and reviewing changes, working with Git and other version control systems is seamless, efficient, and trustworthy. Our work affects millions of users across various IDEs. We are seeking a skilled Kotlin or Java developer to join our efforts in enhancing the version control experience within JetBrains IDEs.

JetBrains has built developer tools since 2000, focusing on efficiency and automation to help engineers work smarter. The JetBrains Cloud Platform (JCP) team develops cloud services that let organizations manage JetBrains products, track AI usage, and handle billing in one place. Role overview The Performance Quality Assurance Engineer (JCP Core) will help strengthen the reliability and scalability of distributed systems at JetBrains. This role centers on performance testing and analysis to make sure the platform remains stable as it grows. Locations Belgrade, Serbia Berlin, Germany Limassol, Cyprus Madrid, Spain Munich, Germany Paphos, Cyprus Prague, Czech Republic Warsaw, Poland Yerevan, Armenia What you will do Design and execute performance tests for cloud-based and distributed systems Analyze results to identify bottlenecks and stability issues Work with the JCP team to improve system reliability and scalability This position offers the chance to contribute to the core of JetBrains’ cloud platform, supporting the adoption of AI-driven development tools across organizations.

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.

About UsFirst Circle is an innovative and rapidly growing neobank, dedicated to serving businesses in the Philippines and soon expanding across Southeast Asia. With a profitable track record and a dynamic engineering team of over 25 professionals, we are focused on building the essential financial infrastructure that thousands of businesses rely on daily.Our product offerings have evolved from credit solutions to encompass payments, bank accounts, payroll, invoicing, and salary loans. In the coming quarters, we aim to broaden our product suite by introducing corporate credit cards, savings solutions for SMEs and consumers, and more. As we secure regulatory licenses in additional countries, we are also enhancing our platform for international expansion.