Hi. I am Wiktor

SQL Developer & Data Enthusiast
I turn raw data into actionable insights.

01.

Passionate about building reliable, efficient, and scalable data solutions using SQL and modern backend technologies

As an aspiring SQL Developer with hands-on experience in database design, query optimization, and data integrity management, I specialize in transforming raw data into structured, accessible insights. I enjoy writing clean, efficient SQL code and ensuring systems run smoothly and securely.

With a strong background in IT support and database administration, I work comfortably with relational databases, and reporting tools like Power BI — always aiming to improve performance, support decision-making, and bring clarity to complex data.

02.

Where I’ve Made an Impact

Domański Zakrzewski Palinka (DZP)

IT Support Specialist | 2023–Present

Providing end-to-end IT support in a leading law firm. Managing database queries in SQL, assigning user roles, ensuring data integrity during system upgrades, and supporting infrastructure stability and security.

IT Intern | Jan 2023 – Nov 2023

Contributed to system migrations, wrote IT procedure documentation, supported users, and modernized internal support processes.

Receptionist | Oct 2021 – Nov 2023

Handled administrative and front-desk duties, built communication skills, and supported IT and office coordination during peak periods.

EMB Systems

DTG Print Operator | Jun 2018 – Oct 2021

Operated Brother direct-to-garment printers, prepared and edited graphics for production, and handled customer service for print orders.

Assisted in administrative tasks and gained insight into public administration processes.

03.

Academic Projects & Certifications

I am constantly developing my technical skills and deepening my understanding of software engineering and data systems. Through formal education, international programs, and online training, I’ve built a solid foundation in SQL development, data analysis, and backend technologies.

🎓 Erasmus+ BIP Program

Networking & International Career Planning May 2024 – Vilnius Business College

Participated in a short-term blended mobility program focused on career development, communication, and international collaboration in the IT field.

IT Intern | Jan 2023 – Nov 2023

Designed and queried relational databases using MS SQL Server.

Wrote CRUD procedures, joins, grouping, and nested queries.

Conducted data validation and performance testing during mock migrations.

Created data sets for simulated business cases (reporting, finance, inventory).

Intermediate SQL – DataCamp

Joining Data in SQL – DataCamp

SQL for Analysts & Creating Database Queries (MS SQL Server) – Altkom Academy

C# Fundamentals – Udemy

Introduction to Power BI – DataCamp

Euroscola Certificate – European Parliament (Youth engagement program)

04.

What I am awesome at

I specialize in building data-driven systems, maintaining secure infrastructure, and writing clean SQL code that turns information into insight. I combine technical precision with practical experience to support scalable, efficient, and secure IT operations.

🧠 SQL Development

Writing optimized queries, stored procedures, and views to support data integrity, reporting, and automation.

🛠️ Database Management

Designing, maintaining, and securing relational databases — with a focus on Microsoft SQL Server environments.

🔐 IT Systems & Access Control

Managing user roles, permissions, and access in enterprise IT environments (e.g. Active Directory integration)

📊 Data Analysis & Reporting

Creating insightful reports using SQL, Excel, and Power BI — supporting business decisions with clear data.

Want to work together?