Senior Technical Account Engineer (Presales & Strategic CS)

Job Description

The Company

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Duende Software is defining the identity infrastructure category. Trusted by more than 2,500 organizations worldwide, Duende and our flagship product, IdentityServer, help the world’s most discerning organizations secure the identities of their users.  After a decade of open source innovation, Duende IdentityServer was launched in 2020 to provide the world’s most customizable, extensible identity infrastructure for securing human and machine access and identity across modern .NET ecosystems and beyond.

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With accelerating demand, strong financial performance, and a product roadmap expanding into federation, non-human identity, and modern developer tooling, Duende is expanding its field engineering capabilities. This role sits at the intersection of high-value commercial deals and deep technical alignment, serving as our primary technical voice during presales and establishing our first dedicated Technical Account Management (TAM) function for top-tier enterprise clients.

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The Role

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Duende’s market is deeply technical. Our audience is made up of senior .NET developers, software architects, engineering leaders, and security-conscious teams who evaluate products through technical rigor, architectural fit, and the credibility of our engineering thinking.

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We are hiring our first Senior Technical Account Engineer to bridge presales advisory and enterprise technical stewardship:

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• In Presales: You act as the sales team’s on-call technical expert. You will join focused discovery calls to evaluate client setups, map architectural requirements into our licensing models, answer deep technical questions, and recommend alternative architectural patterns, typically over one or two sharp 30-minute touchpoints.
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• In Post-Sales (TAM): You will pioneer our Technical Account Management function for our highest-tier accounts (Enterprise+ and Custom plans). As their dedicated technical partner, you will build long-term relationships through recurring touchpoints, and stay aligned on their engineering roadmap, share upcoming Duende product capabilities, and ensure their architectural needs directly inform our product strategy.
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We are looking for someone with deep hands-on expertise in production ASP.NET Core, authentication/authorization protocols, and direct experience with IdentityServer or similar IAM frameworks.

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What You Will Do

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Presales Advisory & License Architecture

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• Presales Support: Serve as the primary technical subject matter expert on presales calls, providing instant clarity on integration mechanics, security patterns, and product capabilities.
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• Architectural Guidance & Licensing Alignment: Help prospective clients analyze their system topology (microservices, client IDs, deployment surfaces) to accurately map into Duende’s product tiers while offering pragmatic advice on architectural best practices.
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• Efficient Engagement: Keep presales friction low by delivering clear, authoritative answers in focused sessions, often paired with a sales representative to cover technical and non-technical topics.
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Enterprise Technical Account Management (TAM)

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• Pioneer the TAM Function: Establish and own the dedicated TAM engagement model for our Enterprise+ and Custom customers as our first dedicated engineer in this role.
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• Proactive Technical Cadence: Lead recurring syncs with customer lead architects and engineering managers to understand what they are building, monitor system health, and provide proactive technical guidance.
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• Strategic Roadmap Alignment: Keep enterprise customers aligned with Duende’s product roadmap, previewing new features and ensuring customer requirements and feature needs flow directly back into our core product and engineering teams.
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• Long-Term Account Health & Expansion: Leverage technical credibility to ensure successful long-term adoption, smooth upgrades, and natural expansion into add-on capabilities.
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Engineering Influence & Culture

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• Voice of the Enterprise: Act as the primary conduit between key enterprise customers and Duende’s core product engineering teams to help shape future roadmap priorities.
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• Knowledge Sharing & Content: Turn recurring technical themes from enterprise customers into public documentation improvements, architecture guides, and internal enablement materials.
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As an engineer at Duende, your creativity is never restricted. If you build a useful tool, uncover a unique identity pattern, or want to write a deep-dive, speak at a conference, or create a video, you have a permanent green light.

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About You

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You are an engineer at heart with strong commercial awareness and high emotional intelligence. You love diving into architectural discussions with peer software architects, navigating complex enterprise security requirements, and building lasting technical partnerships with high-value customers.

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Requirements

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• 4+ years of production experience with .NET, ASP.NET Core, and its security/middleware stack.
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• Hands-on experience with Duende IdentityServer or IdentityServer4, alongside core identity protocols (OAuth 2.0, OpenID Connect, JWTs, claims, scopes).
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• Field/Customer-Facing Experience: Background in Sales Engineering, Solutions Architecture, Technical Account Management, or Senior Technical Consulting for developer tools or enterprise infrastructure.
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• Cloud & Infrastructure Literacy: Solid understanding of Azure, AWS, GCP, containerization, reverse proxies, and modern application architectures.
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• Concise Technical Communication: Exceptional ability to explain complex identity concepts clearly and concisely during short presales touchpoints and high-level enterprise syncs.
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• Commercial Acumen: Comfortable navigating licensing models, pricing tiers, and enterprise procurement conversations alongside deep technical discussions.
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Nice-to-Haves

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• Experience with enterprise federation standards (SAML 2.0, WS-Fed).
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• Experience establishing TAM or Customer Success Technical frameworks in a fast-growing developer-focused software company.
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How You Work

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• Accuracy First: You verify answers in source code and specs before giving technical advice. Getting it right matters more than giving a fast, unverified answer.
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• High Leverage & High Efficiency: You bring clarity quickly in presales, respecting both the prospect's time and your own.
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• Long-Term Ownership: You take pride in being a trusted long-term advocate for our most strategic enterprise accounts.
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• Proactive Partnering: You actively listen for customer pain points and look around corners to keep client architectures healthy and secure.
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What Success Looks Like

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In your first 30 days: Shadow presales/support calls, master Duende’s product and licensing tiers, and map out top accounts.

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In your first 60 days: Lead presales technical calls to resolve architecture questions and map licenses, while launching the TAM sync cadence with key enterprise clients.

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In your first 90 days: Fully own the TAM function for top-tier accounts, deliver sharp presales support without deal drag, and establish a direct technical feedback loop with our product teams. Identify expansion and add-on opportunities naturally through a deep understanding of customer architectures.

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Team, Salary and Location

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We are a remote-first company and typically search for candidates worldwide. To better serve customers across time zones we are focusing on candidates who work or live in Western Europe or Eastern Standard Time.

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Duende’s compensation package includes a market-competitive salary and benefits, the specifics of which will be commensurate with candidate experience and fit. Please email resumes to View email address on ziprecruiter.com  

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We are an equal opportunity employer and are committed to providing a positive interview experience for every candidate. If accommodations due to a disability or medical condition are needed, please let us know.

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