Senior Backend Engineer - PHP / Symfony

Ref 2578432 | Date: 12 Sept 2026

Experis Suisse SA

Our client is a leading Geneva-based financial institution, a recognized player in the field of wealth management. As part of the reinforcement of its internal development team, it is looking for a Senior Backend Engineer PHP/Symfony to contribute to strategic projects: CRM, e-Banking, mobile applications and bank card management systems. You will join a human-sized technical team, in an environment demanding in terms of security and software quality.

Senior Backend Engineer - PHP / Symfony

Our client is a leading Geneva-based financial institution, a recognized player in the field of wealth management. As part of the reinforcement of its internal development team, it is looking for a Senior Backend Engineer PHP/Symfony to contribute to strategic projects: CRM, e-Banking, mobile applications and bank card management systems.
You will join a human-sized technical team, in an environment demanding in terms of security and software quality.

Your missions

• Take charge of existing developments and create new functionalities from scratch
• Intervene on complex systems (card management: transactions, orders, reconciliation)
• Work on multiple databases: PostgreSQL, DB2, SQL Server
• Contribute to the architecture and code quality in a high-security context
• Write complete and precise technical documentation

Required technical skills

• Mastery of SOLID, DDD and CQRS principles
• Excellent mastery of PHP and the Symfony ecosystem
• Good mastery of SQL/ORM, Git and development workflows
• APIs: OpenAPI, REST, GraphQL
• CI/CD (GitLab or equivalent), Docker
• Microservices and event-driven architecture
• Messaging: RabbitMQ, Kafka or equivalent (asynchronous delivery patterns)
• Ability to produce code compliant with security best practices

Appreciated asset:

• Experience in the banking or fintech field (cards, payments)

Profile sought

• Engineering degree in computer science or equivalent
• Minimum 7 years of experience in a similar role
• Fluent French indispensable, English B2 minimum
• Team spirit, autonomy and rigor
• Sense of service, ability to propose pragmatic solutions
• Good management of priorities and deadlines

What our client offers

• Permanent position (CDI), based in Geneva
• Stimulating technical environment at the heart of a solid financial group
• High-impact projects in a context of application modernization
• Attractive conditions, to be defined according to profile

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