Senior Backend Developer

Pixel Plus AG is a dynamic and innovative company specializing in software development across multiple domains. Our development team operates across Switzerland, nearshore, and offshore locations, focusing on platform development, start-ups, and enterprise solutions. We are looking for a talented Senior Backend Developer with system architecture expertise to help us design scalable and maintainable backend systems while ensuring robust and efficient system architecture. Tasks As a Senior Backend Developer, you will play a crucial role in designing and implementing scalable backend solutions. You will work closely with our cross-functional teams to develop high-quality, secure, and performant applications while defining best practices for backend architecture and system design. Responsibilities Backend Development: Develop and maintain robust, scalable, and secure backend systems using modern technologies. System Architecture Design: Define and implement system architectures that meet business and technical requirements, ensuring high availability and performance. API Design & Development: Build and optimize RESTful APIs for seamless integration across services and applications. Database Design & Optimization: Design relational and non-relational database schemas, optimize queries, and ensure data integrity. Scalability & Performance: Architect solutions that support high traffic, large datasets, and distributed computing. Security Best Practices: Implement authentication, authorization, and data security best practices in backend services. Microservices & Event-Driven Architecture: Design and implement event-driven architectures using microservices and message brokers. Collaboration & Documentation: Work closely with frontend developers, DevOps engineers, and other stakeholders to ensure seamless development and deployment. Code Reviews & Best Practices: Maintain high coding standards through peer reviews, automated testing, and CI/CD pipelines. Requirements 5+ years of experience as a backend developer with a strong focus on system architecture. Experience with Microsoft Azure. Proficiency in TypeScript, NestJS and/or PHP, Laravel. Strong knowledge of API development (REST, GraphQL), database systems (PostgreSQL, MongoDB, etc.), and caching strategies (Redis, Memcached). Experience designing and maintaining microservices architectures and distributed systems. Familiarity with DevOps tools (Docker, Kubernetes, CI/CD pipelines). Strong understanding of authentication/authorization mechanisms (OAuth, JWT, OpenID Connect). Excellent problem-solving skills and ability to troubleshoot complex systems. Strong communication skills and ability to work collaboratively in a distributed team environment. Nice-to-have Experience with event sourcing, event-driven architectures, CQRS, and DDD. Knowledge of AI/ML applications in backend development. Experience working in multi-tenant SaaS environments. Exposure to frontend development frameworks (React, Next.js, etc.). Benefits Work on exciting and challenging projects in a highly innovative environment. Collaborate with a global development team and gain international experience. Competitive salary and flexible work arrangements (remote options available). Opportunity to shape the system architecture and technical direction of cutting-edge applications. Supportive and growth-oriented culture with opportunities for professional development. Pixel Plus is an equal opportunity employer, and we value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.