Intern Integration Consultant

MasterBorn is a Polish-American software house building custom digital products for clients across Fintech, Sportstech, and Medtech. We're looking for an Integration Consultant Intern to join our team and support the technical side of client integrations - working with APIs, data and documentation, and helping keep communication between our team and our clients clear and reliable.

Offer

Start Date: ASAP

Time: approx. 6 hours/day (part-time), for 3 months with possibility of extension for another 3 months

Work mode: remote or hybrid (Wrocław office available)

Contract & Compensation: 4300 zł brutto UZL (Prefer a B2B setup? Let's talk!)

Your future tasks and duties:

Support integrations between our clients' systems and the products we build - checking API requests and responses, and verifying data with SQL queries

Read and work with technical documentation, ours and our partners'

Investigate reported issues: reproduce them, narrow down what's actually broken, and summarize findings clearly for the team

Communicate directly with clients, in English, to clarify requirements and share updates

Use Git for day-to-day work: commits, branches, pull requests

Take ownership of assigned tasks, flag blockers early, and act on feedback

About you - Tech skills & Experience:

Basics of programming in any language - TypeScript is a plus, but not a requirement

Understanding of APIs and HTTP - what a request and response are, GET/POST methods, status codes, JSON format

Basics of SQL - SELECT, WHERE, JOIN, reading a database schema

Git at a working level: commit, branch, pull request

Ability to read technical documentation in English with full understanding

About you - Soft Skills:

Proactivity - asks questions, raises blockers, doesn't disappear with a problem for three days

Attention to detail - spots inconsistencies, checks rather than guesses

Structured problem-solving - can clearly state what isn't working and what's already been checked

Written communication - summarizes findings clearly, writes understandable messages

Openness to feedback - takes it without defensiveness, applies it

Independence in assigned tasks

English min. C1 - speaking and writing

Polish min. C1 - speaking and writing

Nice to have:

Hands-on experience with TypeScript or another backend language

Familiarity with asynchronous communication: webhooks, queues

Experience in fintech - working at a bank or around one

Experience leading meetings or workshops, in any context

Knowledge of Scrum / Agile / Lean Startup - even just theoretical

Experience creating technical documentation

Perks & Benefits: