Back End Developer NI (Remote)

We are looking for a Backend Developer to design, build, and maintain the server-side logic of our applications. You will be responsible for ensuring high performance, scalability, and security of the back-end services, while integrating with front-end and third-party systems. This role involves problem-solving, collaboration with cross-functional teams, and delivering reliable APIs and data pipelines.

Responsibilities

• Design, develop, and maintain back-end services, APIs, and databases.
• Build scalable systems that handle high volumes of requests and data.
• Implement security and data protection best practices.
• Optimize application performance and troubleshoot issues.
• Work closely with front-end developers and other stakeholders to integrate user-facing elements.
• Manage database schemas, queries, and migrations (SQL and/or NoSQL).
• Write clean, maintainable, and testable code.
• Contribute to code reviews, system architecture, and technical documentation.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or equivalent experience.
• Proven experience as a Backend Developer, Software Engineer, or similar role.
• Proficiency in at least one back-end language and framework: Node.js/Express, Python (Django/Flask/FastAPI), Java (Spring Boot), or Ruby on Rails.
• Strong knowledge of databases (PostgreSQL, MySQL, MongoDB, Redis).
• Experience building and consuming RESTful APIs and/or GraphQL.
• Familiarity with cloud platforms (AWS, GCP, Azure) and containerization (Docker, Kubernetes).
• Strong understanding of system design, scalability, and security principles.
• Experience with version control (Git/GitHub/GitLab) and CI/CD pipelines.

* By applying to this position, we’ll create your Simera Professional Key (SPK) — a unique key that helps you connect with employers, stand out, and secure the right match.