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Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates extensive experience in building and owning production systems, with a strong focus on backend fundamentals, APIs, and observability. Proficient in developing agent workflows and ensuring reliability and safety in production environments.
Highest-signal resume keywords
7+ Years Software Engineering ExperienceProduction Systems OwnershipBackend FundamentalsLLM or Agent WorkflowsFluent German and English
ATS Keywords
Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
Production Code WritingAPIsData ModelsReliabilityObservabilityFailure HandlingState ManagementRetriesPermissionsHuman-in-the-Loop Patterns
Tools & Technologies
Ruby on Rails
Industry Keywords
Agentic ProductsSupply-Chain ProblemsDeterministic Application LogicModel-Driven DecisionsSafety ChecksAudit TrailsCustomer WorkflowsEmail SystemsDocument SystemsBrowser-Based Systems
Tech Stack
Tools & technologiesRubyRuby on Rails
About the role
Key responsibilities & impact- Build the common runtime behind TradeLink’s agentic products
- Own agent context, tools, state, memory, retries, and resumability
- Own permissions, tenancy, validation, human approvals, and audit trails
- Build evaluations and observability to reproduce, measure, and debug agent behavior
- Develop robust patterns for email, documents, APIs, browser-based systems, and TradeLink actions
- Define the boundary between deterministic application logic and model-driven decisions
- Turn successful customer workflows into reusable platform capabilities
- Design recovery for failures during agent tasks
- Handle contradictory messages and determine which actions can happen autonomously
- Establish safety checks before agent changes reach production
- Write production code in a hands-on Staff individual-contributor role
- Work directly with Product and customers on real supply-chain problems
Requirements
What you’ll need- Roughly 7+ years of professional software engineering experience, or equivalent depth
- Experience owning production systems, including architecture, APIs, data models, reliability, observability, and incidents
- Senior/Staff/Principal-level experience, strong Founding Engineer experience, or equivalent technical ownership
- Production experience building LLM or agent workflows beyond prompts and API calls
- Understanding of tool calling, structured outputs, state, retries, evaluations, permissions, and human-in-the-loop patterns
- Strong backend fundamentals, including databases, APIs, authentication/authorization, background jobs, and failure handling
- Coding agents are already a meaningful part of how you work
- Enjoyment of writing substantial production code
- Fluent German and English language skills required
- Experience with Ruby on Rails is useful but not required
- PhD and ML research experience are not required
Benefits
Comp & perks- Impact, innovation, and ownership in a fast-growing, AI-native B2B logistics startup
- Small, focused pods with ownership of real outcomes
- Influence over product, customer solutions, growth, and brand
- AI-native working environment using AI to multiply impact
- Continuous feedback and 360° reviews
- Dedicated development budget
- Collaboration with an experienced management team
- Motivated, supportive, inclusive, and diverse team
- Virtual team events
- Unforgettable offsites
- Regular in-person co-working in Berlin and Munich
- VSOP program providing a share in the company’s growth