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decircle

Senior Backend / Fullstack Engineer

decircle

Senior Backend/Fullstack Engineer to build a data integration platform around Atlas. Focus on backend systems and API orchestration with technologies like Node.js and Supabase.

Posted 5/15/2026full-timeRemote • 🇩🇪 GermanySeniorWebsite

Tech Stack

Tools & technologies
GoJavaJavaScriptNode.jsPythonRustSQLTypeScript

About the role

Key responsibilities & impact
  • Design and implement backend systems for data synchronization between Notion and external databases/workflows.
  • Model hierarchical data structures and implement scalable storage solutions (e.g., Supabase).
  • Build tools to automate the Atlas edit workflow, detecting document structure changes and generating proposals.
  • Develop integrations with third-party APIs and orchestrate data flows across services.
  • Collaborate with cross-functional teams to define system architecture and ensure technical alignment.
  • Research and contribute to building a custom knowledge management platform (e.g., using Model C Protocol Servers).
  • Advocate for and implement AI-assisted tooling within the workflow.

Requirements

What you’ll need
  • 5+ years of experience building production-level backend services.
  • Strong proficiency in JavaScript / TypeScript.
  • Experience with Python, Go, Rust, or Java is a plus.
  • Solid knowledge of SQL databases, with ability to design and query relational and graph-based schemas.
  • Experience working with Notion APIs (Node.js) and orchestrating third-party APIs.
  • Familiarity with pagination, rate limits, and structured data formats.
  • Ability to design and implement efficient algorithms.
  • Experience with Supabase or equivalent modern DB platforms.
  • Strong communication and technical documentation skills.
  • Comfortable working with AI assistants and integrating them into daily workflows.
  • Research mindset – open to exploring and integrating new technologies and protocols.

Benefits

Comp & perks
  • 🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account decircle Website LinkedIn All Job Openings 1 - 10 employees Founded 2019 We partner with disruptive organizations to help identify and attract talent. A boutique recruitment agency that focuses on blockchain and web3. We enjoy networking with Web3 and decentralization enthusiasts and help them find their place in the decentralized world. Senior Backend / Fullstack Engineer Job not on LinkedIn 🔥 23 minutes ago 🇩🇪 Germany – Remote ⏰ Full Time 🟠 Senior 🔙 Backend Engineer Java JavaScript Node.js Python Rust SQL TypeScript Go Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
  • Design and implement backend systems for data synchronization between Notion and external databases/workflows.
  • Model hierarchical data structures and implement scalable storage solutions (e.g., Supabase).
  • Build tools to automate the Atlas edit workflow, detecting document structure changes and generating proposals.
  • Develop integrations with third-party APIs and orchestrate data flows across services.
  • Collaborate with cross-functional teams to define system architecture and ensure technical alignment.
  • Research and contribute to building a custom knowledge management platform (e.g., using Model C Protocol Servers).
  • Advocate for and implement AI-assisted tooling within the workflow. 🎯 Requirements
  • 5+ years of experience building production-level backend services.
  • Strong proficiency in JavaScript / TypeScript.
  • Experience with Python, Go, Rust, or Java is a plus.
  • Solid knowledge of SQL databases, with ability to design and query relational and graph-based schemas.
  • Experience working with Notion APIs (Node.js) and orchestrating third-party APIs.
  • Familiarity with pagination, rate limits, and structured data formats.
  • Ability to design and implement efficient algorithms.
  • Experience with Supabase or equivalent modern DB platforms.
  • Strong communication and technical documentation skills.
  • Comfortable working with AI assistants and integrating them into daily workflows.
  • Research mindset – open to exploring and integrating new technologies and protocols. Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score Similar Jobs Senior Backend Engineer 🔥 4 hours ago LI.FI 11 - 50 🔌 API ₿ Crypto 💳 Fintech Website LinkedIn All Job Openings Senior Backend Engineer at LI.FI developing backend systems for decentralized finance solutions with robust APIs and scalable architecture. 🇩🇪 Germany – Remote 💵 €90k - €130k / year ⏰ Full Time 🟠 Senior 🔙 Backend Engineer TypeScript Go Senior Java Engineer 🔥 10 hours ago SHOP APOTHEKE EUROPE 1001 - 5000 ⚕️ Healthcare Insurance 🛒 Retail 💊 Pharmaceuticals Website LinkedIn All Job Openings Senior Java Engineer developing and maintaining software solutions at Europe's leading e-pharmacy. Collaborating with teams to improve customer experience and data safety. 🇩🇪 Germany – Remote ⏰ Full Time 🟠 Senior 🔙 Backend Engineer Docker Java Kubernetes Spring Spring Boot SpringBoot Senior Backend Engineer, App 🔥 10 hours ago SHOP APOTHEKE EUROPE 1001 - 5000 ⚕️ Healthcare Insurance 🛒 Retail 💊 Pharmaceuticals Website LinkedIn All Job Openings Senior Backend Engineer at Redcare Pharmacy building innovative backend solutions for medical apps. Collaborating with cross-functional teams in an agile environment to enhance software performance. 🇩🇪 Germany – Remote ⏰ Full Time 🟠 Senior 🔙 Backend Engineer 🗣️🇩🇪 German Required Docker JavaScript Kubernetes Microservices Node.js Python RabbitMQ TypeScript PHP Vibe-Coder, Laravel – AI Platform 🔥 22 hours ago plotdesk 1 - 10 🤖 Artificial Intelligence ☁️ SaaS 🏢 Enterprise Website LinkedIn All Job Openings PHP Vibe-Coder (Laravel) developing AI platforms and building interfaces for German enterprises in a flexible remote environment. 🇩🇪 Germany – Remote 💵 €3.5k - €8k / month ⏰ Full Time 🟡 Mid-level 🟠 Senior 🔙 Backend Engineer 🗣️🇩🇪 German Required Cloud Docker JavaScript Laravel PHP Vue.js Full-Stack Developer – .NET 🕒 Yesterday FNTIO 11 - 50 🏢 Enterprise ☁️ SaaS Website LinkedIn All Job Openings Full-Stack Developer building .NET applications for enterprise environments. Responsibilities include backend development, cloud integration, and customer collaboration. 🇩🇪 Germany – Remote 💵 €55k - €75k / year ⏰ Full Time 🟡 Mid-level 🟠 Senior 🔙 Backend Engineer 🗣️🇩🇪 German Required AWS Cloud Docker .NET View More Backend Engineer Jobs 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs

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Hard Skills & Tools
JavaScriptTypeScriptPythonGoRustJavaSQLNotion APIsSupabasealgorithms
Soft Skills
communicationtechnical documentationcollaborationresearch mindset