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Principal Software Engineer - Azure PostgreSQL Team

Microsoft

Microsoft

Software Engineering
Bulgaria
Posted on Jan 27, 2026
Overview

We are Azure Data, a Microsoft team that drives the future of data processing in the Microsoft Cloud. Our software development team, located in Belgrade, is building some of the most advanced and widely used data processing cloud services in the world. The services we build are based on groundbreaking technology and are global market leaders, with millions of active users, and applications ranging from small shops to large mission critical business workloads. Each service provides the benefits of automated database management: patching, backups, high-availability, security, and many more.

Azure Database for PostgreSQL and Azure HorizonDB are database services based on PostgreSQL technology, the most popular open-source DB tech in the world. Applications can enjoy the richness of PostgreSQL surface area developed by the ecosystem, such as JSONB, geospatial support, rich indexing and dozens of extensions, while also enjoying the benefits of a fully-managed cloud service: fast scaling, intelligent performance tuning, and automated security. Our PostgreSQL Engineering team is on a mission to redefine the future of cloud-native PostgreSQL by building a modern, serverless database platform that delivers continuous availability, high performance, and seamless scalability. We are investing in foundational improvements across core PostgreSQL components, engineering practices, and tooling - spanning automation, observability, and intelligent diagnostics - while embracing both proven techniques and cutting-edge innovations. We collaborate closely with open-source communities, Linux kernel contributors, and internal Azure engineering teams to push the boundaries of what PostgreSQL can achieve in the cloud. You will have the opportunity to contribute to open-source PostgreSQL and Linux, and\or develop extensions. Experience with both is preferable.

We are looking for a Principal Software Engineer who is passionate and highly motivated to work on researching, solving deep technical problems, taking on challenges, and delivering cutting-edge market-leading software. In this role you will collaborate with some of the world's leading experts in this area of technology, and have an excellent opportunity to learn, grow and advance your career.



Responsibilities
  • Drive and lead the software development projects from technical perspective, timelines, delivery, priority.
  • Review and influence ongoing design, architecture, standards and methods for operating services and systems.
  • Participate actively in code reviews, bug/issue triage with the feature teams, and support well informed decisions towards business and engineering goals.
  • Design, produce and deliver software to improve the reliability, scalability, performance, and security of a cloud service.
  • Contribute by fixing, enhancing, and supporting our services in production, including periodic on-call duties
  • On-call duties and support include (live-site outage prevention and mitigations, root-cause analysis, enhancing operational readiness, dev-ops work, product repair work).
  • Collaborate with teams across the world to address all requirements needed to run enterprise-grade services.
  • Proactively lead efforts for further improvements of the system, process and owned product areas/components.
  • Mentor and guide the junior engineering colleagues.


Qualifications
  • Degree in Computer Science or a related technical field (software/electrical engineering).
  • 8+ years of software design and development experiences.
  • 5+ years of experience in technical design, problem-solving and debugging.
  • 5+ years of experience with architecting, developing and maintaining large scale and data intensive systems.
  • Passion for growth, learning new technical domains, and growing technical and soft skills.
  • Experience in one or more programming languages, including, but not limited to: C/C++, Java, C#, Python, PowerShell, Rust.
  • Experience with planning, organizing, and executing on project for software components and feature areas (work with wider group of committers).
  • Demonstrated passion for customer engagement and experience, with data driven approach.
  • Track record in driving project clarity and results through formal and non-formal leadership skills.
  • Excellent communication and cross team collaboration skill (English speaking).
  • People management experience is not required but is considered a bonus
  • Experience with data intensive and large scale processing technologies and database systems is considered a bonus
  • Experience with cloud technologies (Azure/AWS/GCP) is considered a bonus

This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.




Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.