Solutions Engineer
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Job Description
Solutions Engineer helping Lago’s open-source billing platform win technical evaluations and customer implementations. Leading bespoke demos, integrations, and go-lives for European customers.
Responsibilities:
- Run technical discovery calls to understand prospects’ pricing models, billing infrastructure, and integration requirements
- Lead and own product demos by building bespoke demo environments tailored to each prospect’s use cases
- Manage technical evaluations and cloud trials end-to-end, including configuring demo data, setting up trial environments, and running technical workshops
- Write deal debriefs capturing outcomes, risks, and required actions for AEs and founders
- Identify product gaps, propose API-level workarounds, validate feasibility with engineering, and communicate limitations transparently
- Produce competitive technical analysis and maintain battle cards
- Partner with AEs on commercial strategy and deal progression
- Lead customer onboarding for engineering, finance, and operations teams
- Serve as the primary technical point of contact through implementation until go-live
- Conduct proactive implementation check-ins to unblock customers and prevent issues
- Identify expansion and optimization opportunities in existing accounts
- Partner with Customer Success and Support for post-go-live handoff
- Feed implementation pain points back to Product and Engineering for roadmap prioritization
Requirements:
- 5+ years in Solutions Engineering, Sales Engineering, or technical pre-sales
- Experience ideally in a developer tools, API-first, or infrastructure SaaS company
- Strong technical foundation in REST APIs, JSON, SQL, and integration architectures
- Demonstrated experience running complex evaluations and POCs with enterprise or mid-market prospects
- Excellent written and verbal communication skills
- Fluent in English
- French is a significant plus for European accounts
- Track record of close collaboration with AEs and founders in a fast-moving sales environment
- Ability to manage multiple active deals and customer implementations simultaneously
- Experience with billing, usage-based pricing, fintech, or revenue infrastructure is a plus
- Familiarity with Python, bash, or JavaScript for scripting and automation is a plus
- Background in post-sales implementation or customer success engineering is a plus
- Exposure to open-source products or developer communities is a plus
- Experience presenting to engineering and finance/executive audiences is a plus
- Applicants must be based in Europe
Benefits:
- Stock options
- Fully remote work from anywhere in Europe
- Written, async-friendly culture
- Direct access to Product and Engineering teams
- Transparent, user-driven roadmap
- Autonomy and ownership from Day 1
- Work with top-tier international talent
- Opportunity to shape the future of monetization and fintech
- Direct impact on how customers monetize and grow
- Competitive salary
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