Principal Software Engineer

Job Description Working at Atlassian Atlassians can choose where they work - whether in an office, from home, or a combination of the two. That way, Atlassians have more control over supporting their family, personal goals, and other priorities. We can hire people in any country where we have a legal entity. Interviews and onboarding are conducted virtually, a part of being a distributed-first company. Our office is in Bengaluru, but we offer flexibility for eligible candidates to work remotely across India. Whatever your preference-working from home, an office, or in between- you can choose the place that's best for your work and your lifestyle. Atlassian is a global leader in cloud collaboration, and one of the world's largest users of PostgreSQL in the cloud. Our Jira and Confluence cloud products run on millions of Postgres databases, managed through AWS, Aurora and RDS . As our business and customer needs evolve, so do our technical requirements-driving us to innovate beyond traditional solutions. To address advanced and emerging use cases, we are building a self-managed Postgres platform on AWS and GCP leveraging Kubernetes and open-source technologies. It is designed to: - Efficiently pack thousands of databases into a single cluster, maximizing resource utilization and minimizing operational overhead (e.g., optimizing autovacuum processes). - Manage connections at scale, supporting thousands of databases within a single cluster. - Enable the development and integration of custom and existing Postgres extensions to meet unique business needs. Our vision is to establish deep PostgreSQL expertise within Atlassian, starting with our India team. We are committed to building a team of experts-including established PostgreSQL contributors-who will: - Drive Atlassian's contributions to the Postgres open-source community through code, reviews, and best practices. - Set up and enforce operational standards for schema management, upgrades, patching, and database reliability. - Mentor and guide engineers to become active open-source contributors and thought leaders in the database community. Key Responsibilities - Contribute to open-source projects and represent Atlassian in the broader PostgreSQL community - Lead initiatives to improve scalability, performance, reliability, and security of the self managed Postgres - Collaborate with cross-functional teams to define technical strategy and deliver robust solutions for complex storage challenges. - Establish and promote best practices in distributed systems, cloud infrastructure, and cost optimization. - Mentor and develop engineers, fostering a culture of technical excellence and continuous learning. Basic Qualifications - Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field. - Deep expertise in PostgreSQL, including internals, extension development, performance tuning, and scaling. - 10+ years of experience in backend software development, with a focus on distributed systems and storage solutions. - 5+ years of hands-on experience with AWS RDS/Aurora or equivalent cloud database platforms (GCP, Azure) - Demonstrated leadership in technical design, mentoring, and open-source contribution. - Ability to drive technical roadmaps, influence architectural decisions, and champion best practices across teams. - Experience mentoring engineers and building high-performing, collaborative teams. Preferred Skills and Experience - Experience with PgBackRest and Patroni - Practical experience with Kubernetes, Infrastructure as Code (Terraform, CDK, or CloudFormation), CI/CD pipelines - Experience with data security, encryption, compliance (FedRamp,SOC2, GDPR, HIPAA), and disaster recovery strategies. - Familiarity with observability tools (Prometheus, Grafana, CloudWatch) and performance monitoring at scale. Why Join Us - Be at the forefront of cloud database innovation, working on one of the largest PostgreSQL deployments in the world. - Shape the future of Atlassian's storage platforms and contribute to the open-source community. - Collaborate with talented engineers globally and help build a center of excellence in India. - Enjoy flexibility in where you work-Atlassian supports remote and hybrid work arrangements. Our perks & benefits Atlassian offers a variety of perks and benefits to support you, your family and to help you engage with your local community. Our offerings include health coverage, paid volunteer days, wellness resources, and so much more. Visit to learn more. About Atlassian At Atlassian, we're motivated by a common goal: to unleash the potential of every team. Our software products help teams all over the planet and our solutions are designed for all types of work. Team collaboration through our tools makes what may be impossible alone, possible together. We believe that the unique contributions of all Atlassians create our success. To ensure that our products and culture continue to incorporate everyone's perspectives and experience, we never discriminate based on race, religion, national origin, gender identity or expression, sexual orientation, age, or marital, veteran, or disability status. All your information will be kept confidential according to EEO guidelines. To provide you the best experience, we can support with accommodations or adjustments at any stage of the recruitment process. Simply inform our Recruitment team during your conversation with them.