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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Engineer - **Company:** 1KOMMA5° GmbH - **Location:** Berlin, Germany (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Flutter, Java (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, BigQuery, Cloud Computing, Cursor (Graphical User Interface Elements), DevOps, Eclipse (Software), Github, PostgreSQL, Microsoft OneNote, Message Queuing Telemetry Transport (MQTT), Software Architecture, Ruby on Rails, Next.js, Software Engineering, Trusted Systems, TypeScript, Datadog, Google Cloud, Kubernetes, Figma, Interactive Whiteboards, NestJS, Terraform, Looker Analytics, Golang - **Published:** September 24, 2026 - **Apply:** https://www.careerjet.de/jobad/de5186193f500cb7c93236c13571bc2a8e ## About the Role Extensive hands-on experience in software development with multiple general-purpose programming languages for a minimum of 5 years A proven track record of architecting scalable and secure systems, demonstrating a strong commitment to quality Extensive experience in designing and implementing APIs that enable seamless integration and system communication An agile and result-oriented mindset, with a strong emphasis on collaboration and teamwork Experience communicating with stakeholders in business terms and understanding the technical implications of their requirements Industry-leading experience driving cross-functional teams and enforcing engineering alignment in fast-paced environments, including making and following through on critical technical decisions Experience designing systems and APIs for agent consumption, with structured errors and clear contracts that let agents self-correct Capability to guide an engineering team through the shift to agentic engineering, reshaping workflows so agents execute safely while humans stay accountable for every outcome Strong verbal and written communication skills in English, with proficiency in German considered a plus ## Description Want to take responsibility and build solutions that truly matter? Apply now and help us shape the energy world of tomorrow. Learn about our Product & Tech team! Your mission Shape the organisation's technical strategy and innovation efforts Accountable for consistent execution of technical decisions by setting clear direction and holding teams accountable for implementation Ensure continuously that our software architecture is shaped in close alignment with product management to support current and future product direction Lead architectural direction to enable the delivery of scalable, maintainable, and state-of-the-art solutions Translate business requirements into technical solutions Tackle and resolve deep technical challenges with urgency and precision Mentor and challenge engineers to accelerate their professional growth Build and scale a high-performance tech organisation and engineering culture Embed security and reliability as direct customer value Architect our systems and APIs so AI agents operate as first-class users with machine-readable contracts and structured errors that let agents self-correct Drive the org's transformation to agentic engineering, reshaping how teams work so agents execute safely while humans stay accountable Technologies you will work with include: AI-assisted development with Cursor and agentic coding workflows Cloud & Infra: Google Cloud Platform, GKE (Kubernetes), Cloud Run, Terraform/IaC, Vercel Messaging & IoT: Eclipse Hono, MQTT, Mender Data & BI: PostgreSQL, BigQuery, SQLMesh, Looker Observability: Datadog, OpenTelemetry Languages: TypeScript (Nest.js), Java, Go, Flutter, Ruby on Rails DevOps: CI/CD pipelines (GitHub Actions) Linear, Notion, Figma, Miro ## Related Videos - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) - [Boost Productivity with AI: Figma & Playwright MCP Workflows - Aris Markogiannakis](https://www.wearedevelopers.com/videos/1768-boost-productivity-with-ai-figma-playwright-mcp-workflows-aris-markogiannakis) - [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) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Designing the Future of Human<>Agent Collaboration](https://www.wearedevelopers.com/videos/1447-designing-the-future-of-human-agent-collaboration) ## Related Articles - [The Biggest German Tech Companies](https://www.wearedevelopers.com/magazine/424-the-biggest-german-tech-companies) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023)