Intern Integration Consultant

MasterBorn is a Polish-American software house building custom digital products for clients across Fintech, Sportstech, and Medtech.

• Basics of programming in any language; TypeScript is a plus but not required
• Understanding of APIs and HTTP including request/response, GET/POST methods, status codes, and JSON format
• Basics of SQL including SELECT, WHERE, JOIN, and reading database schemas
• Working knowledge of Git including commit, branch, and pull request
• Ability to read and fully understand technical documentation in English
• Proactive, detail-oriented, structured problem-solving skills
• Clear written communication and openness to feedback
• Independence in assigned tasks
• Minimum C1 proficiency in English (speaking and writing)
• Minimum C1 proficiency in Polish (speaking and writing)

Nice to have:

• Hands-on experience with TypeScript or another backend language
• Familiarity with asynchronous communication such as webhooks and queues
• Experience in fintech, particularly banking
• Experience leading meetings or workshops
• Knowledge of Scrum, Agile, or Lean Startup methodologies
• Experience creating technical documentation

• Support integrations between clients' systems and products by checking API requests and responses and verifying data using SQL queries
• Read and work with technical documentation from the company and partners
• Investigate reported issues by reproducing them, identifying the problem, and summarizing findings for the team
• Communicate directly with clients in English to clarify requirements and provide updates
• Use Git for commits, branching, and pull requests
• Take ownership of assigned tasks, flag blockers early, and respond to feedback