Senior Database DevOps Engineer

Sum Up is looking for a Senior Database Dev Ops Engineer to join our team in Sofia. In this role, you will develop and maintain the Cloud Platform infrastructure related to databases that serves as the foundation for our development teams. You will play a critical part in ensuring the availability, performance, and security of our databases by implementing automation and improving infrastructure code quality.

We are looking for an expert who can help us shift database ownership "left" safely through standardized automation and deep-level guardrails. You will collaborate closely with Platform Infrastructure and Development teams to lower costs, improve self-service tooling, and actively participate in audits related to our database infrastructure.

The DBOps team sits within Sum Up's Platform tribe and is responsible for the database infrastructure that underpins payment and financial products used by over 4 million businesses worldwide. The team is at a pivotal moment: migrating 80+ legacy databases to Aurora PostgreSQL, building deep-level guardrails, and shifting database ownership closer to the development teams who rely on it daily. This role is central to that work, bringing platform engineering discipline, automation-first thinking, and database expertise to a function where the impact is felt across the entire engineering organisation.

• Build and maintain Cloud Platform database infrastructure that development teams across Sum Up depend on for reliability, performance, and security
• Lead the migration of legacy RDS databases to Aurora PostgreSQL, contributing directly to a large-scale infrastructure transformation
• Design and implement automation, monitoring, and infrastructure-as-code improvements that reduce manual effort and raise overall code quality
• Collaborate with Platform and development teams to standardise database usage, lower resource costs, and enable self-service tooling
• Implement security guidelines and contribute to PCI and DORA audit requirements, ensuring compliance is embedded into the infrastructure from the ground up

• Deep hands‑on knowledge of PostgreSQL, AWS services (RDS, EC2, S3, VPC, IAM), and infrastructure-as-code tools such as Terraform or Cloud Formation
• Experience with at least one programming language, with Go, Python, or JavaScript preferred, applied to automating complex database operations
• Experience applying CI/CD principles to infrastructure workflows, with a solid understanding of containerisation and Kubernetes
• Comfort navigating legacy and modern systems simultaneously, managing competing priorities with a structured and analytical approach
• A track record of working across engineering and security teams, with clear communication skills and a genuine commitment to documentation and knowledge sharing
• Experience with cloud-native monitoring tools such as Prometheus

• Opportunity to work with Sum Uppers globally on large‑scale fintech products used by millions of businesses worldwide, from our modern Sofia office. This involves an office‑first setup
• Commitment to Diversity and Inclusion: be part of a workplace that values and promotes diversity, fostering an inclusive environment where everyone's perspectives are respected and embraced
• Enrolment onto our Virtual Stock Option programme: you will own a stake in Sum Up's future success
• A dedicated annual L&D budget of €2000 for your individual development, which you can use to attend conferences and/or advance your career through further education
• Generous time off: 25 days of paid leave, plus one extra day per year of service (up to 35)
• Peace of mind: comprehensive health and life insurance — includes dental coverage
• Stay active:
  
  on-site yoga and a co-sponsored Multisport card offering access to hundreds of sports facilities
• Meal support: benefit from a tax-free food voucher programme (100 EUR monthly) plus flexibility via our Re:
  
  Benefits platform (40 EUR monthly)
• Easy commute: free shuttle buses connecting directly to Joliot‑Curie metro station
• Family‑friendly: new baby bonus
• Break4me: 1‑month sabbatical after 3 years of service
• Referral…