Backend Engineer, TypeScript, Platform

Rep.Guide

Backend Engineer responsible for evolving TypeScript-based backend for RepGuide’s platform. Collaborating on AI-driven solutions and refining APIs in a fast-paced environment.

Posted 4/12/2026full-timeHamburg • 🇩🇪 GermanyMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

ElasticSearchGraphQLTypeScript

About the role

Key responsibilities & impact

Own and evolve key parts of our TypeScript-based backend architecture
Design and refine our GraphQL APIs (schema design, performance, authentication, data modeling)
Integrate external and internal systems (REST and other interfaces)
Build services and automations to manage and transform complex data
Contribute to AI-assisted approaches for data structuring and internal tooling
Ensure maintainability through clean architecture, testing, documentation, and best practices
Balance rapid feature delivery with platform stability in a small, highly collaborative team

Requirements

What you’ll need

Strong backend experience with TypeScript
Solid understanding of API design (GraphQL and/or REST) beyond just “making it work”
Commitment to clean code, sound architecture, and long-term maintainability
Interest in using AI meaningfully in development workflows and product features
Proactive ownership mentality rather than waiting for instructions
Comfortable balancing “shipping fast” with “building it right”
Enjoy working in small teams where responsibility is shared
Bonus: Experience with platform, multi-tenant, or international systems
Bonus: Interest in complex data structures
Bonus: Hands-on experimentation with AI tools in software development
Bonus: Experience with Elasticsearch

Benefits

Comp & perks

30 days of vacation
Holiday and Christmas bonus
Flexible working hours
Modern office in Hamburg (5-minute walk from main station)
Option to work from home regularly — while valuing on-site collaboration
Hardware of your choice
Employee discounts and team events
Capital-forming benefits (Vermögenswirksame Leistungen)

ATS Keywords

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Hard Skills & Tools

TypeScriptGraphQLRESTAPI designdata modelingclean architecturetestingdocumentationAI-assisted developmentElasticsearch

Soft Skills

proactive ownershipcollaborationresponsibility sharingbalancing feature delivery and stabilityinterest in AI