Skip to content
FivetranFivetran

Senior Software Engineer - Core Databases

Senior software engineer developing the high-performance core platform behind Fivetran’s data integration and connector ecosystem. The role involves system design, implementation, performance-oriented engineering, and collaboration across the full software lifecycle.

About the job

Responsibilities

  • Learn deeply about Fivetran to focus development on practical and relevant system improvements.
  • Contribute to development and roadmap planning.
  • Collaborate with the core team and broader stakeholders.
  • Work across the project lifecycle, including requirements, design, prototyping, implementation, review, release, and monitoring.
  • Review and approve pull requests.
  • Take ownership of the product and improve it through practical engineering.

Requirements

  • Experience working carefully within a high-impact software team.
  • Ability to design and code effective, intuitive, easy-to-operate, and maintainable systems.
  • Experience with cloud services, network protocols, serialization, and relational databases.
  • Knowledge of complex structures, object orientation, exceptions, and memory management techniques.
  • Experience with modern and legacy software development environments.

Nice-to-Haves

  • Data replication and ETL/ELT tools.
  • Cloud and software-defined infrastructure tools, such as AWS CloudFormation, Kubernetes, and Docker.
  • API technologies and analytics.
  • DBMS internals.
  • Low-level concepts, including encoding and network communication internals.
  • System-level programming, including process and memory management and inter-process communication.

Technologies

  • C
  • Python
  • PostgreSQL, Oracle, and SQL Server
  • Make
  • GitHub Copilot and Claude Code
  • Jenkins
  • Google Cloud, Azure, and AWS
  • macOS, Linux, Unix, and Windows
  • Git

Work Arrangement

  • Full-time position based out of the Novi Sad office with a hybrid work model combining remote flexibility and in-person collaboration.

Benefits

  • 100% employer-paid medical insurance, subject to country and worker type.
  • Paid time off, paid sick time, inclusive parental leave, holidays, a year-end Global Week of Rest, and volunteer days off.
  • RSU stock grants, subject to country and worker type.
  • Professional development and training opportunities.
  • Virtual happy hours, free food, and team-building activities.
  • Monthly cell phone stipend.
  • Mental health support platform with therapy, coaching, and self-guided mindfulness resources for covered employees and dependents.

Skills

C, Python, Postgres, Oracle, SQL Server, Make, Jenkins, GCP, Azure, AWS, Git, Kubernetes, Docker, Data Replication, Network Protocols

Phantom

Phantom

Remote

Senior Software Engineer, Backend (Money Movement)
No salary listedRemote5+ YOEBackend Engineering

Senior backend engineer designing scalable services and APIs that connect Phantom Cash to blockchain networks. The role requires Node.js/NestJS, REST API, event-driven, and distributed-systems expertise, with blockchain or fintech experience preferred.

Fivetran

Fivetran

Novi Sad, Serbia

Senior Software Engineer - SaaS Connectors
No salary listedHybrid5+ YOEBackend Engineering

Build and maintain Java-based SaaS connectors and data pipeline features, integrating source systems through cloud platforms and REST APIs. The role requires 5+ years of professional Java experience and includes design, troubleshooting, performance optimization, and on-call responsibilities.

Element451

Element451

Belgrade, Serbia

Senior Backend Engineer
No salary listedRemote5+ YOEBackend Engineering

Own the end-to-end delivery and operation of backend services for a multi-tenant, AI-powered SaaS platform. The role requires 5+ years of backend engineering experience, deep PHP/Laravel expertise, strong AWS and data-modeling skills, and experience with asynchronous systems and APIs.

Fingerprint

Fingerprint

Remote

Senior Backend Engineer, Core APIs
$150k+/yrRemote5+ YOEBackend Engineering

Build and operate highly performant Core API services for real-time fraud detection, owning reliability, observability, scaling, and production operations. The role requires 5+ years of backend experience with Go or Node.js and strong SRE practices.

Fivetran

Fivetran

Novi Sad, Serbia

Senior Software Engineer
No salary listedHybrid5+ YOEBackend Engineering

The Senior Software Engineer will design, implement, and maintain database connectivity and data-capture capabilities for enterprise data pipelines. The role requires strong C and C++ experience, relational database and SQL expertise, and collaboration across the full software development lifecycle.