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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Platform Software Engineer - **Company:** Cello - **Location:** Tauberbischofsheim, Germany (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Data Warehousing, Cursor (Graphical User Interface Elements), Software Debugging, Distributed Systems, PostgreSQL, Node.Js, System Software, TypeScript, Backup and Restore, Data Logging, System Availability, Snowflake, Multi-Agent Systems, Event Driven Architecture, Gitlab-ci, Apache Kafka, Vertica, NestJS, Amazon Simple Queue Service (SQS), Terraform, Dynatrace - **Published:** July 11, 2026 - **Apply:** https://de.indeed.com/viewjob?jk=c953da440d591992 ## About the Role Required * Good communication skills and a collaborative attitude * Experience building systems at real scale: high traffic, large user base, high availability * Deep AWS expertise across compute, messaging, storage, networking, and observability - not just familiarity, but operational instinct built from running things in production * Strong experience with Infrastructure as Code (Terraform or similar) - you version everything, you don't click around in consoles * Solid distributed systems thinking: ordering guarantees, idempotency, retries, at-least-once delivery, partial failure recovery * Experience running PostgreSQL in production - configuration, connection pooling, migrations, performance, backup and restore * Enough application-layer literacy to read TypeScript/Node.js (NestJS) code and understand what a service is doing, not just that it's running * You know when "good enough" is right - and when to invest in quality * You are a strong problem solver - you can break down complex, ambiguous problems and ship pragmatic solutions, not just debug what's already in front of you * You contribute ideas and challenge assumptions, not just execute * You're genuinely curious about the product itself - you want to understand what we're building and why, not just pick up tickets and ship code. * You live at the bleeding edge of agentic coding. Claude Code, Cursor, multi-agent setups, MCP servers, whatever ships next, you're using it and pushing it to its limits. We move fast on adopting what works * That said, you know how code and systems actually work. You can debug, reason about architecture, and carry your weight in a codebase without an AI assistant holding your hand. * Strong work ethic - you take ownership, ship what you commit to, and don't need to be chased Nice-to-haves * Strong opinions about observability - structured logging, distributed tracing (OpenTelemetry), dashboards and alerting built for on-call humans, not vanity metrics * Experience operating event-driven architectures under load (SQS, Kafka, or similar) - you know what failure looks like before it becomes an incident * Familiarity with data warehousing / analytics (e.g. ClickHouse, Snowflake, or similar) ## Description * Stack: AWS · Terraform · NestJS · PostgreSQL · GitLab CI/CD * You work directly with stakeholders - no walls, no ticket factory. * Manage AWS infrastructure - architecture, reliability, security, and cost. No infrastructure team above you. * Design and maintain CI/CD pipelines that let engineers ship confidently and fast - from commit to production with zero manual steps. * Sometimes we ship fast to learn, sometimes we slow down to fix the foundation - you'll help decide where to lean. * Real influence on architecture and product direction, not just coding tickets. * Help us adopt the latest AI improvements to speed up how we build and ship. ## Related Videos - [Shipping Faster with Less: Render on Cloud Hosting, AI Workloads, and the Future of DevOps](https://www.wearedevelopers.com/videos/1894-shipping-faster-with-less-render-on-cloud-hosting-ai-workloads-and-the-future-of-devops) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [Stop using Node.js like in 2020! 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