Software Architect (PHP/Symfony)

At Nimbus Data Systems , we empower businesses in the financial ecosystem with cutting-edge white-label and SAAS solutions. Our comprehensive suite of tools is tailored for EMI, PSP, e-commerce, and open banking platforms. With Nimbus Data Systems , clients gain access to a platform designed for flexibility, scalability, and seamless integration. Our mission is to help businesses unlock their full potential in a rapidly evolving financial landscape. Whether scaling your PSP, enhancing your EMI services, or diving into open banking, Nimbus Data Systems is your partner for innovation and growth. We are a remote-first technology company and welcome applications from candidates across Europe, including the EEA, the UK, Switzerland, and other non-EEA European countries such as Ukraine, Moldova, Georgia, Armenia, Montenegro, Turkey, and the Western Balkans. We also consider applicants from different locations who can work within Central European Time (CET). At Nimbus Data Systems , we empower businesses in the financial ecosystem with cutting-edge white-label and SAAS solutions.Our comprehensive suite of tools is tailored for EMI, PSP, e-commerce, and open banking platforms. With Nimbus Data Systems , clients gain access to a platform designed for flexibility, scalability, and seamless integration. We are looking for a Software Architect who will shape the technical future of our platform and help us scale mission-critical fintech products processing large volumes of financial transactions. Your role and impact As a Software Architect, you will play a key role in defining and evolving the architecture of Nimbus Data Systems ’s core fintech platform. You will work closely with Technical Leads, Product Managers, and business stakeholders to design scalable, resilient, and maintainable solutions while helping engineering teams make sound technical decisions. You will act as a technical authority across multiple teams and contribute to the long-term technology strategy of the company. Your key responsibilities will include Designing and evolving the architecture of mission-critical fintech products. Defining architectural standards, engineering principles, and best practices across teams. Leading architectural reviews and validating technical solutions proposed by engineering teams. Designing highly available, scalable, and fault-tolerant distributed systems. Driving system decomposition, domain boundaries, and service interactions. Collaborating with Technical Leads on complex technical challenges and strategic initiatives. Participating in the design of integrations with banking systems, compliance services, and other external platforms. Identifying and mitigating technical risks, bottlenecks, and scalability limitations. Supporting modernization initiatives, architectural refactoring, and technical debt reduction. Working closely with Product and Business stakeholders to transform business requirements into sustainable technical solutions. Mentoring senior engineers and technical leaders on architecture and engineering practices. What makes you stand out 8+ years of backend development experience. Strong commercial experience with PHP and Symfony. Previous experience as Software Architect, System Architect, Solution Architect, Principal Engineer, or Lead Backend Engineer with significant architecture ownership. FinTech, Payments, Banking, EMI, PSP, or Open Banking experience. Deep understanding of OOP, SOLID, GRASP, and design patterns. Strong experience designing high-load and distributed systems. Strong understanding of Domain-Driven Design (DDD). Experience with Event-Driven Architecture, CQRS, and Event Sourcing. Experience designing microservice architectures and service communication patterns. Strong knowledge of PostgreSQL, performance optimization, and database design. Experience with Redis, message brokers, caching strategies, and asynchronous processing. Experience with Kubernetes, Docker, and cloud-native environments. Understanding of system observability, monitoring, logging, and performance analysis. Experience documenting and presenting architectural decisions. Ability to balance business goals with technical excellence. Nice to have Experience working with platforms processing millions of transactions. Experience with platform modernization and large-scale migrations. Experience defining architecture standards across multiple engineering teams. Experience mentoring Lead Engineers and Senior Engineers. What success looks like in this role Engineering teams follow clear architectural standards. Platform scalability and reliability improve as the business grows. New products and services are designed with long-term maintainability in mind. Technical debt is systematically managed and reduced. Architecture decisions enable faster delivery without compromising quality or security. Our recruitment process typically follows these stages: Application screening Interview Stages (2-3 weeks): Prescreening call with recruiter Technical Interview Final Interview Job Off