Senior Backend Engineer

About Us

Ready for a challenge and adventure?

At XYZ Reality, we are a well-established, award-winning Series-A startup accelerating toward our next funding round. Our mission is to expand our platform, enhancing features, performance, and scalability while revolutionizing the construction industry.

We are a multi-disciplinary, fast-paced company working across diverse domains, including cloud development, electronics, embedded software/hardware, mechanical design/manufacturing, AI & computer vision, and data science—all powering our BIM Platform.

To drive this mission forward, we are seeking a Backend Engineer with strong Node.js experience to support the development of our growing platform features and APIs. In this role, you will build high-performance, scalable backend services and work closely with our API development, client applications, and data pipeline teams to deliver robust, efficient, and reliable solutions.

Our office is in central London, just a short walk from Angel Station.

Responsibilities

· Design, develop, and maintain scalable backend services using Node.js.

· Write efficient SQL queries and optimize database performance.

· Build and maintain RESTful APIs with best practices for scalability and performance.

· Debug and maintain the existing API codebase.

· Develop and execute unit tests and integration tests to ensure software reliability.

· Conduct performance profiling and stress testing to optimize system responsiveness.

· Maintain clear, structured documentation for backend systems and codebases.

· Collaborate closely with cross-functional teams, including client applications and data pipeline teams.

· Stay adaptable, learning new technologies and contributing to various technical areas as needed.

Required Skills & Experience

· Bachelor’s degree in computer science or a related field.

· Strong Node.js programming skills with experience in backend development.

· Solid experience with relational databases, particularly PostgreSQL.

· Expertise in designing and developing scalable RESTful APIs.

· Strong debugging, troubleshooting, and performance optimization skills.

· Proficiency with Git, including active participation in code reviews.

· Excellent communication skills in both written and spoken English.

Preferred Qualifications

· Experience with Java and Java frameworks (to support legacy migration to Node.js).

· Familiarity with CI/CD pipelines, such as GitHub Actions.

· Knowledge of GraphQL or other API design methodologies beyond REST.

· Experience with Docker and Kubernetes for container orchestration.

· Experience in Test-Driven Development (TDD) and software design patterns.

What We Offer

· A research-driven, innovative environment with opportunities to experiment and grow.

· A collaborative and supportive team culture that values continuous learning and knowledge sharing.

· Exposure to cutting-edge technologies in cloud development and high-performance scalable architectures.

· If you're passionate about solving complex backend challenges and want to be part of an ambitious, fast-growing start-up, apply now! 🚀