Senior Backend Engineer developing secure, scalable backend services and APIs at Merkle. Collaborating closely with mobile engineering teams and influencing platform - wide architectural decisions.
About the role
- Backend Developer at Centra Technology working on performance-critical systems and modern architecture patterns. Collaborating closely with cross-functional teams to deliver business-critical solutions.
Responsibilities
- Tackle performance-critical systems, apply domain-driven design and use modern architecture patterns
- Designing an API or optimizing cross-border flows
- Take real ownership of your work and help shape our technical direction
Requirements
- Strong experience with modern PHP
- Knowledge of GraphQL and REST APIs is a plus
- Passion for performance, clean code and software engineering best practices like CI and observability
- A problem-solving mindset and sharp attention to detail
- Collaborative spirit and strong communication skills, with fluency in English
- Proven ability to incorporate AI coding tools into development workflows while maintaining high standards of code quality and engineering discipline
- Strong knowledge of web application security, including common vulnerabilities (e.g. XSS, SQL injection, CSRF, SSRF, command injection) and how to prevent them in practice
- Experience implementing secure authentication and data protection patterns, including OAuth 2.0 / OIDC, MFA, session security, encryption (in transit and at rest), and secure secret management
- Familiar with modern security and operational practices, including secure HTTP standards (CORS, CSP, HSTS), dependency auditing (CVEs), rate limiting, least privilege, and integrating security into CI and observability workflows
Benefits
- Hybrid work model
- Continued progress support through technical mastery and leadership opportunities
- Freedom and support to advance in your career
- Fair, inclusive hiring and diverse perspectives
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
Tech skills
Location requirements
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