(Senior) Customer Engineer (m/f/d) at Flip GmbH

Company: Flip GmbH
Location: Stuttgart & Remote
Employment type: Full Time
Posted: 2026-10-29

Empower every employee.

AI has changed how office workers get things done. For the 80% of the global workforce that doesn't sit at a desk, it has barely arrived. Flip AI is changing that.

Flip AI is the #1 Frontline Agentic Operating System (OS) to build, automate and orchestrate any frontline use case on a foundation of secure identity and comms with strong UX. In practice, that means one app where frontline workers in retail, manufacturing and logistics access their systems, run their processes, and use AI.

More than 1,000 brands trust Flip AI, and over two million people use it worldwide, at companies like Bosch, REWE, FORVIA HELLA and Greif. In August 2026, Notion Capital and HV Capital doubled down with a new $25M round, bringing our total funding to more than $85M.

Our mission: Connect every employee to everything they need in one touch.

Job Description

As a Customer Engineer you sit on the edge of the product, inside the customer's environment: their identity stack, their HR systems, their security review, their AI roadmap. You take a tenant from nothing to hundreds of thousands of live users and you decide how the technical side gets solved, sometimes by designing the integration and enabling the customer's IT to build it, sometimes by building the first version yourself and handing it over. That includes where our AI goes live: agents in the frontline app, tool access over MCP, and the authentication questions underneath them that nobody has solved yet.

What you can expect

Technical ownership end to end: You own the technical side of enterprise onboardings, from the first architecture conversation to a stable live rollout at scale.
Integrations that make Flip AI load-bearing: You design and land identity and authentication (OIDC, Entra ID, Frontline Identity), user provisioning (SCIM), REST APIs and connections into HR and ops systems such as SAP SuccessFactors, Workday or UKG.
Advise and enable instead of absorb: You bring the customer's IT, their partners and our external development partners to a solution you would sign off on, and you make sure they can run it without you.
Build where building unblocks: Where building is the fastest way to prove an approach or to unblock a rollout, you build the first version and then hand it over cleanly, with the documentation and the handover conversation that make it stick.
AI where it meets the customer: You lead how agents, MCP-based tool access and agent-to-agent scenarios land at enterprise customers, including the auth and data boundaries that have to hold around them.
Technical authority in the account: You work with customer project management, IT, security, functional departments and works councils, you decide the technical questions, and you feed the gaps you see back into our product and engineering teams. Expect regular travel to customer sites, roughly 10 to 30 percent of your time.

What you bring to the table

Must-haves

Around 3 to 5 (or more) years in IT or tech consulting, customer engineering, forward deployed engineering, solutions engineering or SaaS implementation, with real enterprise exposure.
Hands-on experience with enterprise integration and identity: SSO and authentication (OIDC, OAuth, Entra ID or comparable), REST APIs and API-based integrations delivered inside real enterprise IT environments.
Customer-facing technical responsibility in enterprise projects, where you made the technical calls together with IT, security and functional departments rather than only coordinating them.
Genuine technical depth without being a full-time production developer: you read code, review a design, debug an integration and build a working prototype.
German at C1 level or above and fluent English.

Nice-to-haves

Provisioning experience (SCIM) and integrations into HR or workforce systems such as SAP SuccessFactors, Workday or UKG.
An informed, current view on where agentic AI is heading: MCP, A2A, EMA and the authentication questions underneath them. We are looking for someone who follows the field closely and has an opinion, not for years of experience that cannot exist yet.
Prior work as a Customer Engineer or Forward Deployed Engineer at a product company, rather than in classic consulting only.
Workflow automation tooling (n8n or similar), comfort with logs, metrics and dashboards, or experience with German co-determination and enterprise data protection.

What we offer you

Work mode: We’re remote-first, giving you flexibility to work from home. At the same time, we deeply value the power of in-person collaboration. Depending on the role, you’ll join occasional team events, workshops, or meetings in our Berlin or Stuttgart offices - always with plenty of notice. The exact balance will be discussed during your interview.
Work-Life-Balance: We don't want you to grow roots to your desk chair. That's why we cover the costs of your E-Gym-Wellpass membership and offer job bike leasing.
Celebrating success: Expect highly motivated and committed people in a relaxed working atmosphere.
Be part of something bigger: You actively shape Flip AI in your role. Along the way, you are an enabler of the rapid growth process of a young tech company and grow towards your goals, fun is guaranteed.
Happy to be a Flipster: Stay tuned for regular team events and culture days that bring us together as Flipsters.
Working abroad: At Flip AI you can also work abroad in the European Union. Let's talk about remote work in the interview.

At Flip AI, everyone is welcome - no matter what gender you identify as or how old you are. Sexual identity, origin, religion, world view and disabilities do not influence your potential job at Flip AI. The most important thing is that YOU fit in!

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