System Architect

System Architect

Location: Remote (Germany or Portugal

)Employment Type: Permanent, Full-Tim

eWork Model: Flexible working hours and remote-first environment

.
About the Compa

ny
Our client is a fast-growing European technology company operating at the intersection of fintech, mobility, and B2B SaaS. Their platform enables seamless payments and mobility services across multiple European markets, connecting businesses, partners, and users through a rapidly expanding ecosystem of integratio

ns.With a strong focus on innovation, scalability, and AI-driven solutions, the company is building a unified integration platform that connects fleet management systems, ERP platforms, fintech products, mobility services, OEMs, and other partner ecosystems. Their technology landscape includes cloud-native microservices, event-driven architectures, modern frontend applications, and advanced AI tooli

ng.They are now looking for a System Architect to shape the technical foundation of their next growth phase and establish a scalable integration platform that enables rapid partner onboarding and seamless ecosystem expansi

on.
Responsibili

• tiesDesign and evolve a unified integration platform supporting APIs, Webhooks, embedded components, SDKs, OAuth flows, and batch integrati
• ons.Define scalable onboarding processes, sandbox environments, automated testing strategies, and self-service partner capabilit
• ies.Architect data flow patterns across event-driven systems, analytics platforms, and internal services, ensuring consistency, observability, and scalabil

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• ity.Collaborate closely with Engineering, Product, QA, DevOps, AI, and Business teams to align platform architecture with company objecti
• ves.Design partner-facing experiences including developer portals, integration playgrounds, self-service tools, and troubleshooting capabilit
• ies.Drive AI adoption across the platform, including AI-assisted onboarding, intelligent troubleshooting, AI-powered support experiences, and AI-ready documentat
• ion.Establish architectural standards, decision records, governance processes, and non-functional requirements covering security, scalability, reliability, and performa
• nce.Review solution designs and ensure all partner integrations align with a unified, reusable architectural appro
• ach.Build prototypes and MVPs to validate concepts before scaling them into production-ready platform capabilit

ies.
Require

• ments7+ years of software engineering experience, including at least 3 years in architecture, technical leadership, or a similar
• role.Proven experience designing and building integration platforms that connect diverse external systems through APIs, Webhooks, SDKs, embedded components, and batch proces
• sing.Strong cloud-native expertise with Kubernetes and at least one major cloud platform (GCP, AWS, or Az
• ure).Deep understanding of microservices, event-driven architectures, messaging systems (Kafka or equivalent), API design, and distributed sys
• tems.Broad technical knowledge across backend technologies, frontend frameworks, databases, and modern software development pract
• ices.Strong understanding of the full software development lifecycle, including architecture, development, testing, deployment, monitoring, security, and operat

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• ions.Practical experience with AI tools and AI-augmented systems, including AI coding assistants and modern AI architecture patt
• erns.Excellent communication skills with the ability to influence both technical and non-technical stakehol
• ders.Hands-on mindset with a track record of building prototypes, validating ideas through code, and driving implementa

tion.
Bonus

• PointsExperience in fintech, payments, transaction processing, PCI-DSS environments, settlement flows, or financial sy
• stems.Exposure to fleet management, mobility, transportation, automotive, EV charging, telematics, or related indus
• tries.Hands-on experience with Kafka-based architec
• tures.Strong background with Node.js, TypeScript, NestJS, Vue.js, Kubernetes, GCP, BigQuery, or related technol
• ogies.Experience building developer portals, API documentation platforms, SDK ecosystems, or partner-facing integration experi
• ences.Familiarity with AI-driven development workflows, context engineering, RAG architectures, agents, orchestration frameworks, and AI-enabled support sy
• stems.Experience working in B2B SaaS environments and building highly configurable integration plat

forms.
In this role, you'll build a platform that enables new partners to integrate in days instead of months, standardize integration approaches across multiple ecosystems, and establish a scalable foundation that becomes a strategic competitive advantage for the bu