Senior Database Administrator

Meniga; Warszawa; Hybrid; PLN 150,000 - 230,000; Full time

Benefits offered by this job

Hybrid work model

Private healthcare

Fitness & meal allowance

Job summary

Meniga is scaling its technology team in Warsaw to empower banks with AI-driven data platforms. You will own database reliability end-to-end, drive schema decisions, and lead performance tuning on MSSQL-based systems in real bank environments.

The role emphasizes a partnership approach with engineering squads, migrations from MSSQL to PostgreSQL where sensible, and a high engineering bar with production-grade practices. Hybrid work with two days in office.

Qualifications

• Accountability over activity - you own the health of a database from design decision through to production.
• Business-minded - you understand what's at stake for the client when their data layer misbehaves.
• Can-do under constraints - on-prem bank environments are demanding and locked-down.
• Deep production-hardened MSSQL expertise - performance tuning, indexing, backup/DR under real load.
• AI-native - you use AI tools as a natural part of how you work.

Responsibilities

• Own database reliability end-to-end across production systems.
• Drive schema and query design decisions with engineering squads.
• Lead performance tuning and troubleshooting on database-heavy systems.
• Own migrations and upgrades, including MSSQL to PostgreSQL where appropriate.
• Maintain high engineering standards and data integrity.

Skills

Accountability over activity

Business-minded

Can-do under constraints

MSSQL expertise

AI-native

Tools

MSSQL

PostgreSQL

ClickHouse

Job description

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

WHAT YOU GET

• 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

• Meet the CTO - 15 min. We want to understand how you think and what you care about. So does he.
• 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.