Customer Engineer | Mid-Senior
About this role
Join the AI revolution. We’re building an all-in-one AI platform to help teams do their best work and automate every routine task you can think of. We’re looking for problem-solvers to turn powerful AI into an easy, no-code tool for teams everywhere.
We’re now hiring a Customer Engineer to strengthen the technical side of our team. This role is ideal for engineers who enjoy solving real-world problems directly with customers. You will work closely with the Product and Engineering teams, supporting customer-facing initiatives - from discovery and prototyping to onboarding and feedback loops. Your goal will be to ensure technical clarity, credibility, and success across the customer journey.
Main Responsibilities
Act as the technical counterpart to enterprise customers - helping to understand requirements, define solutions, and map them to our product capabilities.
Support technical discovery, solution design, and architecture discussions in collaboration with Sales and Product.
Deliver hands-on product demonstrations, technical evaluations, and proofs of concept (PoCs). Translate complex customer needs into product configurations or implementation approaches.
Act as a feedback bridge between the field and our Engineering team - reporting product gaps, technical blockers, and usability issues.
Ensure smooth onboarding by assisting with integrations, APIs, and infrastructure alignment.
Maintain relationships with technical stakeholders on the customer side, including engineering and IT/security teams.
Develop and maintain internal documentation, reusable code snippets, and solution templates.
Contribute to internal knowledge sharing on customer use cases, deployment patterns, and implementation lessons learned.
Core Requirements
3-5+ years of experience in a client-facing, process-oriented technical role - e.g., business analyst, solutions/implementation consultant, or technical project coordinator - ideally within a software development, IT consulting, or SaaS company.
Understanding of APIs and integration concepts, comfortable reading API documentation, testing endpoints, and explaining integration patterns to both technical and non-technical audiences.
Strong process and systems thinking - comfortable mapping complex, cross-functional workflows and spotting where automation or AI can simplify them.
Exposure to AI/ML systems and tooling - either through implementation or integration work.
Experience delivering technical PoCs, proof-of-value projects, or integration pilots with enterprise clients.
Strong troubleshooting and systems thinking abilities - comfortable navigating complex IT and data environments.
Clear communicator, able to articulate technical topics to both internal and external teams.
Comfortable working in a high-velocity environment with frequent cross-functional collaboration.
Fluency in English (written and spoken); additional languages are a plus.
Willingness to occasionally travel for customer sessions or events.
This is not a pre-sales role in the traditional sense - it’s a hands-on, engineering-driven position, focused on helping customers succeed with complex technical integrations and real-world deployment of AI systems.
If you're an engineer who wants to work closely with customers and influence product direction based on real-world needs, we’d like to hear from you.
Salary Range
Gross salary is from 4000 eur/month + bonuses. We are open to adjusting this based on the depth and relevance of your experience
What We Offer
Professional growth. Internal and external events, online training, conferences, books - everything you need to reach your full potential.
Health benefits. Private health insurance, online & on-site workouts (LT) / online workouts & sports access card (PL), consultations - to feel and be your best.
Team spirit. Team buildings and parties with games, shows, tastings, food coupons, gifts - and it's on us.
More free time. Stay with us and additional vacation days will be added to your calendar.
Additional paid leave. Additional days are covered by us in cases of illness or special occasions.
Flexibility. Flexible working time arrangement.
Company at a glance
⚡ nexos.ai AI Gateway built for cost-controlled access to 200+ frontier AI models – Claude, GPT, Gemini, Mistral and more.
Through one secure, EU-hosted endpoint, track and control AI spend across every team, swap providers without rewriting code, and stay compliant by design with zero data retention and automatic failover built in.
⚡ nexos.ai AI Workspace brings the same models into a no-code layer for team automation.
Top Benefits
- Professional growth
- Private health insurance
- Online and on-site workouts
- Sports access card
- Team building events
- Food coupons
- Additional vacation days
- Paid leave for illness or special occasions
- Flexible working time
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