Backend Software Engineer (Fintech)

TL;DR

Backend Software Engineer (Fintech): Building and maintaining high-performance, scalable REST APIs that power user experience with an accent on robust backend architecture and optimized API performance. Focus on delivering exceptional user experiences through API development, security compliance, and efficient database and cloud infrastructure management.

Location: Milan, Italy

Company

hirify.global is shaping a culture with high standards, independent and critical thought, innovation, ownership, and continuous learning in a fast-moving, tech-driven environment.

What you will do

• Design, build, and maintain high-quality REST APIs using NestJS framework.
• Implement robust authentication and authorization systems, ensuring PCI DSS compliance for payment processing and sensitive data handling.
• Develop scalable, maintainable backend services using NestJS with TypeScript.
• Work with MySQL databases, optimizing queries and implementing proper indexing.
• Deploy and manage applications on AWS infrastructure, implementing containerization with Docker and CI/CD pipelines.
• Monitor system performance and implement logging/tracing solutions.

Requirements

• 5+ years of backend development experience.
• 3+ years hands-on experience with NestJS and TypeScript/JavaScript.
• Strong proficiency in MySQL database design, optimization, and query performance.
• Extensive experience with AWS services (EC2, RDS, Lambda, API Gateway, CloudWatch).
• Proven expertise in GraphQL API development (both code-first and schema-first approaches).
• Deep understanding of REST API design principles and best practices.

Nice to have

• Experience with Git version control and collaborative development workflows.
• Knowledge of testing frameworks (Jest, unit testing, integration testing).
• Advanced understanding of security best practices (JWT, OAuth2, data encryption, secure coding).
• Experience with security testing and vulnerability assessments.
• Experience with agile development methodologies.

Culture & Benefits

• International environment with significant challenges to be met every day.
• Lots of opportunities to work with a team of industry tech leaders focused on delivering products that offer exceptional user experiences.
• Personalised support to accelerate your professional growth and take ownership of the products you deliver.
• Latest technologies and being encouraged to bring your flair to the role.

Hiring process

• A quick chat with one of the Talent Acquisition team members.
• The first interview with the Hiring Manager to dive deep into your experiences and better understand your motivation.
• A case study to test your hard skills.
• A final chat with the CEO.