Numerical Technologies LTD is a leading provider of custom software solutions and services specializing in risk, limits, and regulatory capital. Right now, we are looking for a Database Architect/Engineer to join our team.
What you will be doing:
Work on a large-scale modernization of a complex Oracle system with 15+ years of legacy PL/SQL code spread across hundreds of packages.
Analyze and decompose PL/SQL code to separate business logic, CRUD, and dead code, and define what stays in the database vs what is moved out.
Drive dependency analysis of PL/SQL packages and architectural decisions for system decomposition.
Design schema decomposition and data ownership across domains.
Own dual-run and dual-write strategies during migration.
Ensure backward compatibility through additive-only schema changes under production constraints.
Lead performance tuning, SQL optimization, and execution plan analysis.
Project:
Migration of a monolithic Oracle system to a decomposed architecture.
723+ PL/SQL packages with tightly coupled legacy logic.
Gradual dual-run migration with controlled schema evolution in production.
Redesign of cross-domain dependencies and data ownership model.
What we’re looking for:
Strong Oracle Database 19c+ experience.
Strong PL/SQL (packages, procedures, functions, triggers).
Oracle performance tuning (Explain Plan, AWR/ASH, indexing, partitioning).
Large-scale legacy Oracle system experience.
Experience with database modernization / monolith decomposition.
Strong understanding of dual-run / dual-write consistency.
Experience with Flyway or Liquibase.
Ability to make architectural decisions in complex legacy database environments.
What we offer:
Competitive compensation depending on experience and skills.
Regular assessments and salary reviews.
Paid personal days.
Mental health support program.
Language classes.
Flexible working schedule.
