Middle Delivery Engineer

Data

Krupnicza 13, Wrocław+2 Locations

MasterBorn Sp. z o.o.

10 000 - 15 000PLN

Net per month - B2B

8 000 - 12 400PLN

Gross per month - Mandate

Full-time

B2B, Mandate

Mid

Remote

Tech stack

Polish

C1

English

B2

SQL

advanced

Python

regular

T-SQL

regular

PL/SQL

regular

Job description

Meet MasterBorn, a world-class software development company driving success for businesses in FinTech, SportsTech, and MedTech, led by a passionate team committed to client product success.

We are currently improving our world-class service with a Delivery Engineer role.

As a Delivery Engineer, you'll play a pivotal role in ensuring the seamless delivery and optimization of our product for our esteemed retail clientele. Dive into a world of problem-solving and collaboration, where your technical prowess and excellent communication skills will be key in driving the success of our service and application features as well as its quality and performance.

• Required: 3 years of commercial experience with databases (SQL, database administration, performance tuning), Practical knowledge of database scripting languages (T-SQL, PL/pgSQL), Experience working with large data sets, Experience with system integrations and various data formats (XML, JSON, CSV, Parquet), Practical experience with Python, Familiarity with shell scripting languages, Experience with version control systems (e.g., Git), Proficiency in Microsoft software suite, Experience working directly with clients, Polish C1, English B2/C1

• Offer: B2B/UZL, paid days off, 100% remote (or hybrid/onsite - as you prefer), full-time position, long-term contract, polish working hours (10am to 6pm)

• Perks and Benefits: 750 PLN / quarter for health insurance and sports, Mentoring Program, remote job offer, and more

• Tools you'll use: MS Office Suite, Azure Devops, Jira, Miro, Windows/iOS, MS SQL, PostgreSQL (Greenplum), Snowflake, Python, Powershell

✅ Your future tasks and duties:

• Work with existing retail customers to configure and update the product, executing to the documented requirements of the project

• Execute the Implementation project through all stages

• Ingest and map the client’s source data to a standard data model (ETL and ELT process)

• Effectively translate complex customer requirements, recommend system solutions, and help formulate detailed specifications

• Leverage appropriate resources from company and customer, coordinating availability to maximize productivity

• Gain a deep understanding of how our products work, how they interact with each other, and how to build reliable and reusable processes for support.

• Act as a problem-solving expert, proactively identifying issues, analyzing root causes, and implementing the solution effectively

• Create documentation used for an on-going support

💻 About you - Tech skills & Experience:

• Highly skilled in writing and optimizing complex SQL queries

• Knowledgeable in database design, administration, and performance tuning

• Experienced in handling large datasets and working with various data formats (JSON, XML, CSV, Parquet)

• Proficient in Python for automation and data processing tasks

• Familiar with shell scripting and version control systems (e.g., Git)

• Comfortable using Microsoft Office tools

• An effective communicator with experience working directly with clients

• Fluent in Polish (C1) and proficient in English (B2/C1)

🌟 About you - Soft skills:

• Strong written and verbal communication skills with the ability to present complex technical information in a clear and concise manner to a variety of audiences

• Ability to communicate with both technical and non-technical customers on a variety of issues

• Ability to select and prioritize tasks within a backlog

• English level B2 minimum - direct communication/documentation/tasks/other reading/speaking/writing

• Polish level C1 to communicate efficiently within the team

• Strong problem-solving abilities and detail orientation to diagnose issues, suggest solutions and make decisions based on requirements

⚡️ Nice to have:

• Experience with AzureDevOps and release pipelines

• Experience in software implementation or Enterprise SaaS solutions, preferably in retail

• Familiarity with retail industry and data or hand-on experience working in retail

• Experience with project management tools (preferably  JIRA)

• Experience working with Snowflake

🤝 Recruitment process:

• CV review by HR Team

• Phone call with HR Team (15min)

• Soft-skills interview with HR Team (1h)

• Technical interview with Data Team (1h interview + 10min test)

• Feedback and decision!

Published: 11.08.2025

Office location