Senior Database DevOps Engineer at Sumup

SumUp is looking for a Senior Database DevOps 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. About the team The DBOps team sits within SumUp'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. 👉 Take a look at our Sofia offic... What you'll do • Build and maintain Cloud Platform database infrastructure that development teams across SumUp 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 You'll be great for this role if… • Deep hands-on knowledge of PostgreSQL, AWS services (RDS, EC2, S3, VPC, IAM), and infrastructure-as-code tools such as Terraform or CloudFormation • Strong proficiency in 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 Why you’ll enjoy working at SumUp • Be part of a company that values diversity and celebrates unique perspectives. • Work with a global team of skilled professionals in an environment that fosters collaboration, learning, and growth. • The opportunity to work on large scale fintech products used by millions of businesses around the world • You’ll receive 25 days’ paid leave, plus 1 additional day for each year of employment. • You can take up to 10 days’ educational leave to expand your skill set. • Career growth and learning opportunities: We invest in your development through regular training, mentorship programs, SumUp University leadership cohort and a yearly learning budget (2,000 EUR) • Enrollment onto our virtual stock ownership program - you will own a stake in SumUp’s future success • Access to the SumUp Sabbatical, our Employee assistance program for mental health • Join a global team where you belong: Check out our D&I Initiatives and Employee Resource Groups such as Pride Club, SumAfro, Neurodiversity, Grupos Mais, Women in Tech, and more • We offer additional health insurance, a subsidized Multisport card, free shuttle buses from Joliot-Curie metro station and other great benefits. • You’ll attend global offsites and/or hackathonsOpens in new window About SumUp Be empowered to do more that matters. At SumUp, we're on a mission to empower small businesses across the globe by providing a vast set of simple and affordable business tools to help them start, run, and grow their businesses. Today, over 4 million businesses in 36 markets rely on SumUp as their financial partner to manage payments, finance and customer relationships. Our commitment to small businesses is reflected in our diverse team of over 3,000 SumUppers from over 90 nationalities, united by global collaboration and an innovative mindset. Our core values lay the foundation for who we are and what we stand for, shaping our work culture and driving our success. We foster an inclusivity and continuous learning culture, providing a safe space for personal and professional growth. Our differences make us unique and strong as we strive to create an environment where everyone belongs and feels supported, no matter how they identify. SumUp is proud to be an Equal Employment Opportunity employer, actively seeking and embracing diversity in our workforce. We don't make hiring or employment decisions based on race, colour, religion or religious belief, ethnic or national origin, nationality, sex, gender, gender identity, sexual orientation, disability, age or any other basis protected by applicable laws or prohibited by company policy. Our commitment extends beyond recruitment to creating a safe and respectful workplace where harassment of any form is strictly prohibited. Explore career opportunities with us and join a team driven by collaboration, innovation, and a shared vision of creating a world where everyone can build a thriving business. Discover more about our vibrant and inclusive work culture and how we work on our careers website, and follow our journey on LinkedIn and Instagram. Job Application Tip We recognise that candidates feel they need to meet 100% of the job criteria in order to apply for a job. Please note that this is only a guide. If you don’t tick every box, it’s ok too because it means you have room to learn and develop your career at SumUp.