Senior Backend / Platform Engineer

Job Description Roles & Responsibilities We are seeking an experienced Senior Backend / Platform Engineer to join a Swiss Company for its back office in Lebanon to play a critical role in building the architectural foundation of a next-generation multi-tenant digital banking platform. Desired Candidate Profile The ideal candidate should meet the following requirements: Bachelor s degree in computer science, Software Engineering, Information Technology, or related discipline. Minimum 8 years of backend software engineering experience. At least 5 years of hands-on experience developing applications using Node.js, TypeScript, and NestJS (or similar enterprise frameworks). Proven experience designing and implementing large-scale multi-tenant SaaS platforms. Strong expertise in PostgreSQL, including Row-Level Security (RLS), schema design, indexing, query optimization, and performance tuning. Solid experience implementing OAuth2, OpenID Connect, JWT authentication, Single Sign-On (SSO), and Multi-Factor Authentication (MFA). Hands-on experience building and managing Docker-based applications and CI/CD pipelines. Strong understanding of cloud infrastructure, preferably Microsoft Azure. Extensive knowledge of secure software development practices, encryption technologies, secrets management, and API security. Proven experience integrating external APIs, including payment gateways, financial services, KYC providers, or similar enterprise integrations. Strong analytical thinking, problem-solving, and software architecture skills. Excellent communication skills and the ability to work collaboratively in cross-functional engineering teams. Preferred Qualifications Previous experience within FinTech, Digital Banking, Payments, or Banking-as-a-Service (BaaS). Experience with API Gateways, Service Meshes, Message Queues, and Event-Driven Architectures. Knowledge of distributed systems monitoring, observability, logging, and tracing. Experience participating in large-scale platform modernization or single-tenant to multi-tenant migrations. Working knowledge of React and Next.js sufficient to review frontend API contracts. Ability to understand and review software written in other programming languages such as Java, Kotlin, or C#. AI-Driven Engineering Experience Daily hands-on experience using AI coding assistants such as ChatGPT, GitHub Copilot, Cursor, Claude, or similar platforms. Strong prompt engineering skills with the ability to produce accurate technical specifications for AI coding agents. Experience reviewing, validating, and improving AI-generated code. A deep understanding of where AI-generated code may introduce architectural, security, or scalability risks. Company Industry BankingFinancial ServicesBroking Department / Functional Area IT Software Keywords Senior Backend / Platform Engineer Get real-time job updates only on our App