Backend Engineer – Internship, 6 months

Qonto

. Build and release financial features such as card authorization, transfers, onboarding, and payment gateway functionality .

Posted 10/14/2026internshipBerlin • GermanyEntry LevelWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates proficiency in Go and Ruby for backend development, with a focus on building and releasing financial features. Capable of collaborating effectively with cross-functional teams and utilizing AI tools to enhance coding and debugging processes.

Highest-signal resume keywords

Go ProgrammingRuby ProgrammingBasic SQL KnowledgeAI Tool UtilizationCollaboration with Product and Design

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Go ProgrammingRuby ProgrammingBasic SQL KnowledgeCoding KnowledgeDebugging

Soft Skills

Eagerness to LearnAbility to Receive FeedbackComfort Navigating Complexity

Tools & Technologies

CursorClaude CodeCopilot

Industry Keywords

Financial FeaturesCard AuthorizationPayment Gateway FunctionalityOnboardingKaizenPDCA

Tech Stack

Tools & technologies

RubySQLGo

About the role

Key responsibilities & impact

Build and release financial features such as card authorization, transfers, onboarding, and payment gateway functionality
Participate in daily meetings and regular team processes
Read, write, and review production code in Go and Ruby
Use AI tools such as Cursor, Claude Code, and Copilot
Participate in product discussions with Tech, Product, and Design
Help influence the direction of assigned features
Work in a backend squad with full ownership of its product scope
Collaborate with Product and Design
Follow upfront technical design, team reviews, smart slicing, Kaizen, and PDCA methodologies

Requirements

What you’ll need

End-of-studies internship
Strong candidates at any level are welcome
Basic coding knowledge in any language
Basic SQL knowledge
Experience using AI to build, debug, and learn faster
Comfortable working in English
Eagerness to learn and comfort navigating complexity
Ability to receive and use feedback

Benefits

Comp & perks

Work from home up to 2 days a week with hybrid policy
Gympass access to 3,000+ sports and wellness partners
Lunch card with 50% covered
50% of public transportation pass covered
Team events, snacks, and beverages
1 paid day off per month
Inclusive, supportive environment
Unlimited access to AI tools
Dedicated senior mentor with weekly one-on-ones
Direct access to manager throughout internship
Dedicated onboarding learning program
Documentation and pair programming