Principal Engineer

osapiens

Principal Engineer at osapiens enabling sustainable growth by connecting teams and building reusable solutions. Focus on improving developer experience and system quality in a hybrid work model.

Posted 6/2/2026full-timeMannheim • 🇩🇪 GermanyLeadWebsite

Tech Stack

Tools & technologies

CloudDistributed SystemsJavaScriptReactTypeScript

About the role

Key responsibilities & impact

Work across teams to understand requirements, challenges, and recurring patterns
Design and build shared libraries, frameworks, and internal packages
Define and evolve best practices, architectural guidelines, and development standards
Translate product needs into generalized, reusable solutions
Improve developer experience, tooling, and engineering workflows
Support teams in solving complex technical issues and removing bottlenecks
Align architectural decisions across services, systems, and technologies
Acting as the "voice of the developer" internally, feeding feedback from the community back to the platform engineering teams to shape the roadmap

Requirements

What you’ll need

Extensive experience building and operating enterprise cloud systems
Strong cross-stack knowledge, including
TypeScript and modern React-based frontend ecosystems
JavaScript/TypeScript backend development
APIs and distributed systems design
Optional: Experience in distributed systems development
Proven track record of creating reusable abstractions and shared components
Experience defining and driving engineering standards and best practices
Strong writing and public speaking skills for presentations, workshops, and documentation
Ability to balance short-term pragmatism with long-term architecture
Interest in improving developer productivity and engineering quality

Benefits

Comp & perks

- A purpose-driven mission tackling complex sustainability challenges while working alongside global industry pioneers at a fast-growing unicorn company
- Room for creativity through collaborative teamwork and an open communication culture
- Flexibility and team bonding with our hybrid work options
- Fuel for your growth journey, both personally and professionally
- Sustainable mobility options, promoting eco-friendly commuting solutions
- Fun team events and outings with our global teams
- Inspiring workspaces in Mannheim and beyond

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

TypeScriptJavaScriptReactAPIsdistributed systemscloud systemsshared librariesframeworksreusable abstractionsengineering standards

Soft Skills

communicationpublic speakingwritingproblem-solvingcollaborationfeedbackdeveloper experienceengineering qualitypragmatismlong-term architecture