Software Developer

9 hours ago

Belgrade, Central Serbia Virtuozzo Full time €30,000 - €60,000 per year

About Virtuozzo

Virtuozzo is a leading innovator in virtualization and cloud infrastructure solutions, empowering service providers worldwide to build and manage any cloud—private, public, or hybrid—efficiently and cost-effectively. We pioneered container-based virtualization technologies and actively contribute to foundational OSS projects such as OpenVZ, Linux kernel, Kubernetes, CRIU, KVM, OpenStack, and more

At Virtuozzo, you'll be joining a globally distributed engineering team, solving infrastructure-grade challenges and powering the next wave of cloud platforms. To join our VHI Storage team, we are looking for Developers to:

Role & Responsibilities

  • Design, develop, and maintain system-level software components primarily in C.
  • Work in a Linux-based environment, including debugging, performance tuning, and automation.
  • Collaborate with cross-functional teams to design scalable and reliable systems.
  • Analyze and improve network-related functionality and performance.
  • Participate in code reviews, architecture discussions, and technical planning.

Requirements

  • Strong hands-on experience with Linux development and internals.
  • Proficiency in C, with the ability to write clean, efficient, and maintainable code.
  • Solid understanding of system-level programming, including memory management, concurrency, and IPC.
  • Good knowledge of computer networks, including TCP/IP stack and socket programming.
  • Excellent fluency in English

Nice to have

  • Experience with Golang and/or Python.
  • Familiarity with designing and implementing distributed systems.
  • Knowledge of performance profiling and debugging tools.
  • Experience with Linux AIO, io-uring, RDMA stack in Linux.
  • Understanding at least one of S3/NFS/Samba/iSCSI/NVMeOF protocols, Linux VFS internals, file systems architecture, Linux block I/O subsystem

What We Offer 

  • Remote and flexible working hours anywhere in EMEA
  • Group private medical insurance
  • Professional growth: training budget, certification support, mentorship, and career progression pathways
  • Inclusive, multicultural team: work alongside talented engineers from across the globe on infrastructure-grade cloud products
  • Employee perks: recognition programs, referral bonuses, and learning initiatives such as book clubs or tech talks
  • Share Options – shares in our success with share options
  • Open for employment in our entity in Belgrade, Serbia or for B2B contracting elsewhere in Europe.

  • Software Engineer in Test III

    9 hours ago

    Belgrade, Central Serbia TCP Software Full time €25,000 - €75,000 per year

    About TCP Software:For more than 30 years, TCP has helped organizations engage their people by providing flexible, mobile timekeeping and workforce management solutions. Trusted by tens of thousands of customers and millions of users, TCP delivers best-in-class technology and personalized support to organizations of all sizes in the public and private sector...

  • Full Stack PHP Developer

    2 weeks ago

    Belgrade, Central Serbia First Line Software Full time €30,000 - €60,000 per year

    About the CompanyFirst Line Software works with some of the world's top businesses and organizations in industries like healthcare, data engineering, warehouse automation, retail digitalization, mobile app development, and e-commerce. Our projects are as varied as our people, and our people are as talented as they come. We prefer working as a transparent and...

  • Software Developer

    2 weeks ago

    Belgrade, Central Serbia Euronet – EFT Segment Full time €30,000 - €60,000 per year

    At Euronet, we don't just build payment solutions - we shape the future of how the world moves money as a global leader in payments processing and cross-border transactions. From mobile wallets and card issuing to real-time payment platforms, our products drive digital transformation in 160+ countries.We're looking for a Software Developer to become a part...

  • Software Engineer III

    9 hours ago

    Belgrade, Central Serbia TCP Software Full time €30,000 - €60,000 per year

    TCP is committed to cultivating a diverse and inclusive team. However, we are not able to sponsor visas for this role.About TCP (TimeClock Plus):For more than 30 years, TCP has helped organizations engage their people by providing flexible, mobile timekeeping and workforce management solutions. Trusted by tens of thousands of customers and millions of users,...

  • Software Engineer III

    9 hours ago

    Belgrade, Central Serbia TCP Software Full time €30,000 - €60,000 per year

    About TCP (TimeClock Plus):For more than 30 years, TCP has helped organizations engage their people by providing flexible, mobile timekeeping and workforce management solutions. Trusted by tens of thousands of customers and millions of users, TCP delivers best-in-class technology and personalized support to organizations of all sizes in the public and...

  • Software Engineer III

    9 hours ago

    Belgrade, Central Serbia TCP Software Full time €60,000 - €80,000 per year

    About TCP (TimeClock Plus):  For more than 30 years, TCP has helped organizations engage their people by providing flexible, mobile timekeeping and workforce management solutions. Trusted by tens of thousands of customers and millions of users, TCP delivers best-in-class technology and personalized support to organizations of all sizes in the public and...

  • Software Development Engineer

    9 hours ago

    Belgrade, Central Serbia Quectel Full time 30,000 - 60,000 per year

    Quectel Wireless Solutionsis global IoT technology developer and cellular module supplier of 5G, LTE, LTE-A, LPWA, Smart Module, C-V2X, GSM/GPRS, UMTS/HSPA(+) and GNSS modules. Due to business expansion on Serbian market in R&D Centre, Quectel is looking for motivated and proactive candidates to join our team in Belgrade.ON-SITE, Monday - Friday with...

  • Software Development Engineer

    9 hours ago

    Belgrade, Central Serbia Ikotek USA, Inc. Full time €40,000 - €70,000 per year

    Ikotek is a specialized, USA-headquartered global provider of original design manufacturing (ODM) for IoT.We combine end-to-end design consultancy across program management, R&D, sourcing and production at our own manufacturing facilities to produce designs for our customers. Our role is to turn customers' device dreams into IoT reality.ON-SITE, Monday -...

  • Senior Software Developer

    2 weeks ago

    Belgrade, Central Serbia Propellerhead Full time 40,000 - 80,000 per year

    Work with our innovative team based in Auckland, New Zealand We are seeking talented individuals excited about the opportunity to learn, expand their skillset and support our company in its evolution to a Rust code base.We welcome applications from individuals located internationally seeking remote engagements, or those looking to relocate to Auckland, New...

  • Software Developer

    9 hours ago

    Belgrade, Central Serbia Virtuozzo Full time €45,000 - €60,000 per year

    About VirtuozzoVirtuozzo is a leading innovator in virtualization and cloud infrastructure solutions, empowering service providers worldwide to build and manage any cloud—private, public, or hybrid—efficiently and cost-effectively. We pioneered container-based virtualization technologies and actively contribute to foundational OSS projects such as...