Senior Database Administrator

Posted 3 Days Ago
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Warsaw, Warszawa, Mazowieckie, POL
Hybrid
Senior level
Fintech • Payments • Financial Services
The Role
Own end-to-end database reliability for production bank environments: performance, availability, backup/recovery, capacity planning, schema and query design, performance tuning, migrations (including MSSQL→PostgreSQL), and review changes to maintain data integrity and reliability.
Summary Generated by Built In

Financial intelligence for 100M+ users across the world's leading banks.

Meniga builds financial intelligence for the world's leading banks - 100M+ users, 30+ countries. We're not the brand on the app. We're the layer underneath it - the one that makes the data meaningful, the experience personal, and the bank worth opening. Meniga's offices are in London, Reykjavik, Warsaw and Cairo.

THE WORK

We're scaling technology team to match a growing business and a full commitment to AI. The platform is in active transformation - performance, architecture, and AI - and we're driving a strategic shift from MSSQL-only databases toward a broader stack that includes PostgreSQL and analytical databases like ClickHouse. You'll work within the Platform Team, alongside DBAs providing expertise on MSSQL as well as other databases, and you'll be the person who makes sure our database landscape stays fast, safe, and ready for what's next.

WHAT YOU'LL DO

  • Own database reliability end-to-end - performance, availability, backup/recovery, capacity planning - across production systems running inside real bank environments
  • Drive schema and query design decisions with engineering squads - you're a partner in architecture conversations, not a gatekeeper brought in after the fact
  • Lead performance tuning and troubleshooting on database-heavy systems where a slow query or a bad index has real client consequences
  • Own migrations and upgrades - version upgrades, and increasingly, MSSQL to PostgreSQL where it makes sense
  • Hold a high engineering bar - review schema changes and queries, push back when shortcuts threaten reliability or data integrity - not as bureaucracy, but because you care what ships

WHAT WE'RE LOOKING FOR

  • Accountability over activity - you own the health of a database from design decision through to production, and you drive the mitigation when something goes wrong  
  • Business-minded - you understand what's at stake for the client when their data layer misbehaves, and you engage with engineering squads as a partner, not a ticket queue
  • Can-do under constraints - on-premises bank environments are demanding, often locked-down, and rarely clean-slate; you find a way, not an excuse
  • Deep, production-hardened MSSQL expertise - performance tuning, indexing strategy, backup/DR, security, and troubleshooting under real load, not lab conditions
  • AI-native - you use AI tools as a natural part of how you work (Cursor & Claude Code)

TECH

Must have: MSSQL (production-grade administration and performance tuning)
Huge plus: PostgreSQL ·  Clickhouse
Nice to have: Azure · Kubernetes · Terraform · Kafka · Fintech · ETL

WHAT YOU GET

  • Competitive salary + equity: B2B, 22.000 - 29.000k PLN + VAT, + ESOPs 
  • Hybrid - 2 days in office, 3 remote
  • Private healthcare, fitness, meal & phone allowance
  • A team where technical opinions are welcomed, not managed
  • Software that runs inside real global banks, used by millions of people every day

HOW WE HIRE

  1. Screening - 30 min call. Real systems, real decisions, real trade-offs.
  2. Meet the CTO - 15 min. We want to understand how you think and what you care about. So does he.
  3. 90 min interview - onsite or call. One real problem (performance/design + troubleshooting + AI), and a conversation with a senior team member. AI tools are welcome.

Skills Required

  • Production-grade MSSQL administration, performance tuning, indexing strategy, backup/DR, security, and troubleshooting under real load
  • Experience owning database reliability end-to-end (performance, availability, backup/recovery, capacity planning) in production bank environments
  • Drive schema and query design with engineering squads and review schema changes to protect reliability and data integrity
  • Experience executing migrations and upgrades, including MSSQL to PostgreSQL migrations
  • Comfort using AI developer tools (e.g., Cursor, Claude Code) as part of daily workflow
  • PostgreSQL
  • ClickHouse
  • Azure
  • Kubernetes
  • Terraform
  • Kafka
  • Fintech domain knowledge
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The Company
HQ: Reykjavík
79 Employees
Year Founded: 2009

What We Do

Meniga is a global leader of white-label Digital Banking solutions - serving over 100M banking customers across 30 countries. Meniga’s award-winning products enable the world's largest financial institutions to dramatically improve their online and mobile digital environment, enriching the customer experience of over 100 million digital banking users across 30 countries. Meniga has developed a framework for next-generation digital banking around advanced data consolidation and enrichment, meaningful customer engagement and new revenue opportunities. Meniga’s portfolio of products includes personal finance management, carbon insight services, automated real-time notifications, predictive analytics and personalised engagement technologies, targeted rewards and consumer data analytics. Meniga is a six-time winner of “Best of Show'' at Finovate Fall and Finovate Europe, “Best Digital Banking Vendor” at the Banking Tech Awards, “Best Company” at the European FinTech Awards and has been featured three times on the FinTech50 list. Meniga’s offices are in London, Reykjavik, Stockholm, Warsaw, Barcelona, Singapore and New York.

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