Senior Database Platform Engineer

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 * 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 WHY YOU SHOULD JOIN SUMUP: * 🌍 Opportunity to work with SumUppers 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 SumUp's future success * 📚 A dedicated annual L&D budget of €2000 for your individual development, which you can use to attend conferences and/or advancing 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 Bonus: earn additional rewards by referring talented individuals to join the SumUp team 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.

CUBE

CUBE are a global RegTech business defining and implementing the gold standard of regulatory intelligence for the financial services industry. We deliver our services through intuitive SaaS solutions, powered by AI, to simplify the complex and everchanging world of compliance for our clients.    Why us? 🌍 CUBE is a globally recognized brand at the forefront of Regulatory Technology. Our industry-leading SaaS solutions are trusted by the world’s top financial institutions globally. 🚀 In 2024, we achieved over 50% growth, both organically and through two strategic acquisitions. We’re a fast-paced, high-performing team that thrives on pushing boundaries—continuously evolving our products, services, and operations. At CUBE, we don’t just keep up we stay ahead. 🌱 We believe our future is built by bold, ambitious individuals who are driven to make a real difference. Our “make it happen” culture empowers you to take ownership of your career and accelerate your personal and professional development from day one. 🌐 With over 700 CUBERs across 19 countries spanning EMEA, the Americas, and APAC, we operate as one team with a shared mission to transform regulatory compliance. Diversity, collaboration, and purpose are the heartbeat of our success. 💡 We were among the first to harness the power of AI in regulatory intelligence, and we continue to lead with our cutting-edge technology. At CUBE, You will work alongside some of the brightest minds in AI research and engineering in developing impactful solutions that are reshaping the world of regulatory compliance. Key Responsibilities: Database Platform Operations * Act as a key technical contributor supporting production and non-production SQL Server databases that underpin business-critical applications. * Perform hands-on production DBA activities, including operational support, troubleshooting, and performance investigation. * Support the operation of AlwaysOn Availability Groups. * Investigate and resolve database-related issues such as performance degradation, blocking, deadlocks, resource contention, and application-impacting incidents. * Ensure databases meet agreed standards for availability, performance, security, and recoverability. * Support stable day-to-day operation of database services while identifying opportunities for improvement. Cloud & Multi-Platform Support * Support and operate Azure SQL workloads in line with platform and security standards. * Provide hands-on support for PostgreSQL and Cosmos DB environments as part of the wider data estate. * Work with platform and infrastructure teams in all areas impacting database services. * Provide application-focused database support across the wider data estate where required. Automation & Engineering * Automate database provisioning, configuration, maintenance, and deployments using T-SQL, PowerShell, or equivalent tooling. * Use version control and CI/CD pipelines to manage database scripts and operational changes. * Contribute to reusable database patterns, standards, and operational tooling. * Reduce manual effort and operational risk through engineering-led improvements. Monitoring & Incident Response * Monitor database health, performance, and capacity, responding to alerts and incidents as required. * Take ownership of complex incidents, contributing to investigation, root cause analysis, and remediation. * Validate backup, recovery, and resilience mechanisms through regular testing. Collaboration & Knowledge Sharing * Work closely with developers and engineering teams to support effective database access patterns, query design, and schema changes. * Act as a bridge between development and production operations, helping reduce production risk through early engagement and guidance. * Maintain clear documentation for systems, changes, known issues, and operational procedures. * Provide peer support within the DBA team and actively develop expertise across database engineering and operations disciplines. Skills & Competencies: Required * Practical experience administering and supporting SQL Server platforms. * Strong hands-on experience in performance tuning, query optimisation, stored procedure development, and troubleshooting. * Hands-on experience designing, supporting, and troubleshooting AlwaysOn Availability Groups and HA/DR solutions. * Experience working closely with application development teams. * Exposure to supporting databases in cloud or hybrid environments. * Advanced T-SQL skills for diagnostics analysis and development support. * Experience in supporting databases in cloud or hybrid environments. * Understanding of operational disciplines: monitoring, change control, incident management. * Clear communication skills, able to explain system risks, impacts, and trade-offs to non-specialists. * Ability to work independently within a defined scope, exercising sound judgement and accountability. Desirable * Working experience with PostgreSQL and Cosmos DB. * Experience with Azure SQL and Azure-hosted database services. * Automation and scripting experience (PowerShell, T-SQL, or similar). * Familiarity with Agile or DevOps delivery models. * Exposure to CI/CD practices for database changes. * Knowledge of Change Data Capture (CDC) concepts and data change tracking mechanisms. Interested? If you are passionate about leveraging technology to transform regulatory compliance and meet the qualifications outlined above, we invite you to apply. Please submit your resume detailing your relevant experience and interest in CUBE. CUBE is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Mongodb

Platform Engineering is the department within SRE that is responsible for a range of critical infrastructure and operational functions that support the broader engineering organization. Among these are our multi-cloud-provider Kubernetes infrastructure, networking, load balancing (including our public-facing edge and internal service mesh), and observability and alerting systems. The Deployments team designs and maintains our continuous delivery infrastructure, ensuring reliable code deployment from development through production for all engineering teams. This infrastructure is primarily composed of Argo Workflows and ArgoCD. The team also provides tooling that enables clear system ownership and facilitates self-service onboarding for development teams. We are looking to speak to candidates who can work East Coast hours. THE IDEAL CANDIDATE SHOULD * Have 6+ years of experience in software development and operating distributed systems * Proficiency in Python, Go, or a similar language * Proven experience building and operating large-scale continuous integration and continuous deployment (CI/CD) pipelines * Possess a customer-focused mindset * Value efficiency in processes and operations * Prefer automation over manual process (“allergic to ops work”). We are a small team of software engineers with a strong bias towards software solutions to avoid toil * Experience using and extending containerization technologies, particularly Kubernetes, to enhance application agility, optimize resource utilization, and accelerate time-to-market * Expertise in cloud infrastructure platforms, including AWS, Google Cloud Platform (GCP), or Azure * Understanding of Linux operating system internals and networking concepts (e.g., TCP/IP, DNS, TLS, routing) EXPECTATIONS * Contribute to developing a world-class continuous deployment experience, enabling the rapid and reliable shipment of MongoDB products * This includes, but is not limited to, contributing to open-source projects, or engineering software-based approaches like Kubernetes operators to streamline processes * Own the onboarding flow other engineering teams follow when launching a new product or service * Collaborate with other teams within Platform Engineering to ensure a consistent service-onboarding experience * Provide internal support for our deployment systems, including answering questions and addressing issues * Participate in a 24/7 on-call rotation to resolve issues involving the deployment infrastructure ABOUT MONGODB MongoDB is built for change, empowering our customers and our people to innovate at the speed of the market. We have redefined the database for the AI era, enabling innovators to create, transform, and disrupt industries with software. MongoDB’s unified database platform, the most widely available, globally distributed database on the market, helps organizations modernize legacy workloads, embrace innovation, and unleash AI. Our cloud-native platform, MongoDB Atlas, is the only globally distributed, multi-cloud database and is available across AWS, Google Cloud, and Microsoft Azure. With offices worldwide and over 60,000 customers, including 75% of the Fortune 100 and AI-native startups, relying on MongoDB for their most important applications, we’re powering the next era of software. Our compass at MongoDB is our Leadership Commitment, guiding how and why we make decisions, show up for each other, and win. It’s what makes us MongoDB.  To drive the personal growth and business impact of our employees, we’re committed to developing a supportive and enriching culture for everyone. From employee affinity groups, to fertility assistance and a generous parental leave policy, we value our employees’ wellbeing and want to support them along every step of their professional and personal journeys. Learn more about what it’s like to work at MongoDB, and help us make an impact on the world! MongoDB is committed to providing any necessary accommodations for individuals with disabilities within our application and interview process. To request an accommodation due to a disability, please inform your recruiter. MongoDB is an equal opportunities employer. Req ID: 426184 AI is used to review applications based on job-related criteria and does not replace human decision-making. The hiring team decide who moves forward. MongoDB’s base salary range for this role is posted below. Compensation at the time of offer is unique to each candidate and based on a variety of factors such as skill set, experience, qualifications, and work location. Salary is one part of MongoDB’s total compensation and benefits package. Other benefits for eligible employees may include: equity, participation in the employee stock purchase program, flexible paid time off, 20 weeks fully-paid gender-neutral parental leave, fertility and adoption assistance, Registered Retirement Savings Plan (RRSP) with employer match, mental health counseling, backup child and elder care, and health, dental, and vision benefits offerings. Please note, the base salary range listed below and the benefits in this paragraph are only applicable to candidates based in Canada. MongoDB’s base salary range for this role in Canada is: $144,000—$200,000 CAD