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 scienceall powering our BIM Platform.

To drive this mission we are seeking a Backend Engineer experienced in to support our transition from Java to and build high-performance scalable backend services. You will work closely with our API development team client apps teams and data pipeline team to create robust and efficient solutions.

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

Responsibilities

Design develop and maintain scalable backend services using .

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

Bachelors degree in computer science or a related field.

Strong 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 ).

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 youre passionate about solving complex backend challenges and want to be part of an ambitious fast-growing start-up apply now!

Required Experience:

Senior IC