CareerPlan

SQL Developer

Krakow, PLFull-time2026-10-27 → 2026-11-10
Hybrid

Core

Develop, maintain, and optimize Microsoft SQL Server databases and related applications to support business and operational objectives.

Role type

Mid-level IC SQL Developer

Builds

Database solutions, stored procedures, views, and functions

Domain

Financial services / Relational databases

Required skills

Microsoft SQL Server, T-SQL, Stored Procedures, Views, Functions, Joins, Query Optimization, Transactions, Error Handling, Concurrency, Indexing, Execution Plans, Data Modeling, Normalization, SSMS

Preferred skills

Agile methodology, Unit testing, System integration testing, Code reviews, Global team collaboration

Technologies

Microsoft SQL Server, SSMS

Responsibilities

Implement data validation, error handling, transaction management, and security controls; Design, create, modify, and troubleshoot SQL queries, views, functions, and stored procedures; Assist with database management, performance tuning, and optimization; Analyze business requirements and translate them into technical database solutions; Perform unit testing and support system integration testing; Investigate and resolve production issues.

Seniority

Mid-level, hands-on IC