idnow
Solution Engineer (f/m/d)
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Rennes, Ille-et-Vilaine
Confirm work authorization, visa sponsorship and location requirements with the employer.IDnow is a leader in digital identity and fraud prevention in Europe with a mission to transform trust into the most powerful asset in the digital world, empowering enterprises with AI-driven, SaaS-based identity solutions that deliver scalable security, adaptive compliance, and real-time fraud prevention. Through its broad portfolio of digital identity and fraud prevention solutions, IDnow establishes, maintains and enriches trust throughout the customer journey, ensuring businesses can confidently and securely operate while leveraging digital identity to drive growth, security and scalability.
The company has offices in Germany, United Kingdom, Romania and France, and is backed by renowned institutional investors, including Corsair Capital and Seventure Partners. Its portfolio of international clients spans a wide range of end markets including financial services, telecommunications, travel & mobility, gaming, and other industries.
This position is based in Rennes, France.
The Solutions Engineer at IDnow is the client's trusted advisor through pre-sales and integration. You design the solution the client will rely on, you give them confidence that it will work in their environment, and you become the person they turn to for technical and solution decisions. Your focus is the technical side of the journey up to the point where the client is live on our products, and you make that path smooth.
This is a hands-on, deeply technical role, and a commercial one. Solutions Engineers carry a quota and are measured on two things: the deals they help win, and whether the client goes live successfully. You work hand in hand with Sales to convince the client that our solution is the right one and to move them toward signature, and then you make sure they can use it well in production. You earn that through technical depth, but you are client-facing, credible and persuasive in a sales motion. You do this across our whole client base.
We hire this role at more than one level. The core of the job is the same; the scope you own and the complexity you handle grow with your experience. This role carries real ownership across the client journey, and a say in how the work evolves.
Key Responsibilities
Discover and Design
- Lead technical discovery, qualifying conversion rates, false acceptance and rejection trade-offs, fraud exposure and integration constraints before proposing a solution,
- Design end-to-end solution architectures that orchestrate document verification, digital identity, fraud signals, biometric authentication, eID and EU Digital Identity Wallet flows, and e-signature,
- Link every technical choice to the client’s business objectives and Key Performance Indicators (KPIs), so proposals speak to outcomes rather than features,
- Define defensible architecture decisions covering fallback logic, data residency, scalability and performance,
- Support Sales with proposals, Requests for Proposal (RFPs) and Requests for Information (RFIs), advising on which capabilities to combine and why.
Prove, Integrate and Go Live
- Lead proof-of-concept and pilot engagements, configuring Application Programming Interface (API) integrations, building Postman collections and managing sandbox environments,
- Validate behaviour under realistic conditions and document what the client needs to go live,
- Guide client developers through API and mobile Software Development Kit (SDK) integration, including webhooks, authentication and testing,
- Troubleshoot integration issues by reading logs and diagnosing failures at the API and SDK level, rather than only forwarding them,
- Maintain a living integration map of the client’s architecture, data flows and dependencies,
- Own the account from signature to go-live, running the go-live plan and handing a documented account to Customer Success and Support at the end of hypercare.
Advise and Enable
- Build trusted advisor relationships with business and technical stakeholders, from first conversation to go-live,
- Represent the client’s technical reality internally, feeding integration blockers, product gaps and pilot learnings back to Product and Sales teams,
- Work with the internal escalation team on deeper platform issues, arriving with clear technical context,
- Stand alongside Sales in client meetings, addressing objections on integration effort, feasibility and alternatives,
- Improve demo environments, architecture templates and integration guides, and mentor team members as the practice grows.
Preferred Experience
You ask before you propose and qualify before you demo, turning ambiguous client requirements into the right technical solution. You take ownership of the client’s technical path from first conversation to production, and you explain complex systems in plain language to engineers and business leaders alike. You combine hands-on engineering depth with a commercial mindset, and you enjoy working alongside Sales to move a decision forward.
- Engineering or technical degree, a Master’s degree in a relevant field, or equivalent practical experience,
- 3+ years of experience in solutions engineering, technical consulting, or implementation and onboarding in SaaS, ideally in identity, FinTech or security,
- Discovery and qualification skills, with the ability to turn an ambiguous client requirement into the best technical solution,
- Solution architecture skills, including designing integration flows, explaining orchestration logic and defending trade-offs with a client’s engineers,
- Hands-on technical skills with APIs, Software Development Kits (SDKs) including mobile, and integration tooling such as Postman and Git,
- Experience running a proof of concept and debugging an integration at the API or log level,
- Delivery discipline to run an integration and onboarding through to a committed go-live date, managing several client projects at once,
- The ability to translate technical complexity into plain language and reassure non-technical stakeholders,
- Business value awareness, connecting the technical solution to client outcomes such as verification conversion, fraud loss or time to go-live,
- Client-facing presence, building trusted advisor relationships with business stakeholders such as Chief Digital Officers (CDOs) and Heads of Digital, and technical stakeholders such as Chief Technology Officers (CTOs), architects and platform engineers,
- The instinct to own the client’s technical path end to end,
- Fluent English and full professional French are both hard requirements for the role. Additional European languages are a plus.
Nice to Have
- Familiarity with identity verification, Know Your Customer (KYC), Know Your Business (KYB) or Anti-Money Laundering (AML) processes, including document verification, biometrics, liveness detection, eID and fraud detection,
- Interest in where digital identity is heading, including eIDAS 2.0, EU Digital Identity Wallets, the EU Anti-Money Laundering Regulation and General Data Protection Regulation (GDPR),
- Experience with mobile SDK delivery on iOS, Android or React Native,
- Knowledge of web development concepts, including frontend and backend architecture, webhooks and Open Authorisation (OAuth),
- Experience in mobility, FinTech, banking or other regulated industries,
- Working knowledge of a programming language such as Python, Java or JavaScript, and of a cloud platform such as Amazon Web Services (AWS), Microsoft Azure or Google Cloud Platform (GCP).
Perks & Benefits
- Health & Wellbeing: Use your full access to the mental health platform nilo, including 1on1 sessions.
- We value personal and professional development: make full use of Udemy, our training platform with 24/7 access and unlimited content/course consumption incl. certification.
- We make your remote work comfy: we provide support on equipment and offer flexible working hours.
- We value collaboration & love to come together: regular onsite gatherings, internal initiatives and summer parties to connect outside of work.
- May your family require your attention or other reasons apply: use the benefit of our paid special leave days.
- Enjoy the possibility to combine work with a longer stay at your holiday destination or extend a weekend with our Workcation possibilities.
- In addition to the perks & benefits above, we offer specific benefits that differ between our locations.
IDnow applies the principles of non-discrimination and equality: We strive to establish, maintain, and promote an open and inclusive recruitment process and working environment by respecting the principles of equal opportunities. Including but not limited to: race or ethnic origin, religion or convictions, gender identity or expression, citizenship, marital status, disability, age, or sexual orientation.
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