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Fivetran Logo Fivetran · IT - Software Development

Senior Software Engineer - Core Databases

Serbia, Novi Sad · Job Posted April 22, 2026
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Job Description

Fivetran is building data pipelines to power the modern data stack for thousands of companies. We're looking for a Senior Software Engineer to join our core team and perform a healthy mix of design and implementation tasks to advance the technical foundation behind the Fivetran product offering. This team is tasked with evolving a high performance extract-load-transform data integration system that enables our engineering teams to correctly implement hundreds of data connectors with minimal maintenance effort. The role will challenge you to reason about relational semantics, powerful abstractions, data representation, and software performance.

Job Responsibility

  • Learn deeply about Fivetran to focus development on practical and relevant system improvements
  • Contribute to the development and planning of our roadmap
  • Collaborate with a small core team and a broader set of stakeholders
  • Work across the project lifecycle: requirements, design, prototype, implementation, review, release, monitoring
  • Review and approve pull requests
  • Care and feel ownership of our product, and leverage your skills towards improving it

Requirements

  • Execution-oriented with an understanding of targeting 'innovation budget' for greatest impact
  • Ability to design and code systems that are effective, intuitive, easy-to-operate, and elegantly simple
  • Experience with relevant tooling and techniques: cloud services, network protocols, serialization, relational databases, etc.
  • Knowledge of complex structures, object orientation, exceptions, memory management techniques

Nice to have

  • Experience with data replication, ETL/ELT tools, cloud and software defined infrastructure tools (for instance AWS Cloud Formation, Kubernetes, Docker), API technologies and analytics
  • Knowledge of DBMS internals
  • Familiarity with low level concepts, such as encoding and the internals of network communication
  • Familiarity with system level programming (such as process and memory management and inter-process communication)

What we offer

  • 100% employer-paid medical insurance*
  • Generous paid time-off policy (PTO), plus paid sick time, inclusive parental leave policy, holidays, and volunteer days off
  • RSU stock grants*
  • Professional development and training opportunities
  • Company virtual happy hours, free food, and fun team-building activities
  • Monthly cell phone stipend
  • Access to an innovative mental health support platform
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