Back End Developer

Job title: Senior Backend Engineer (Kotlin)Job type: PermanentSalary: Up to 130k CHFRole location: Zürich - 3 x per weekThe company:A fast-growing European fintech delivering SaaS products that simplify payment operations, fraud recovery, dispute management, and compliance for financial institutions. Founded in 2019, the company partners with leading global payment networks and combines innovation with deep industry expertise.Role and responsibilities:Designing, developing, and enhancing backend features and tools.Maintaining and improving existing systems.Leading implementation of new components as the product scales.Collaborating with cross-functional teams and sharing technical expertise.Job requirements:Essential:Strong Kotlin development experience.Background in distributed systems and relational databases.Experience designing APIs.Proficient with Git.Nice to have:Experience with event sourcing/CQRS.Knowledge of GraphQLKnowledge of Go.Familiarity with infrastructure tools like Docker, Kubernetes, or Terraform.Benefits:Hybrid working from a central Zürich office or co-working spaces.International, collaborative culture with growth opportunities.Continuous learning through internal academy sessions.Social and volunteering days, regular team events.Stock options and flexible hardware setup.Mobile allowance and dog-friendly office.Accessibility Statement:Read and apply for this role in the way that works best for you using our Recite Me assistive technology tool (bottom right of the screen).We’re committed to building a diverse and inclusive workplace. Please let us know if you require any adjustments during the application or interview process.Our Commitment to Diversity, Equity, and Inclusion:At Signify, we believe everyone deserves equal access to career opportunities. We’re dedicated to creating diverse, equitable, and inclusive teams — building a better future, one placement at a time.