Backend Engineer – Scalable SaaS APIs (Hybrid)

Biovia; Cambridge; Hybrid; GBP 68,000 - 108,000; Full time

Benefits offered by this job

Hybrid work model

Career development

Competitive salary

Premium benefits

Job summary

BIOVIA in Cambridge is seeking a backend/server-side specialist to design, implement, and scale RESTful APIs using Java and TypeScript within a cloud-first Materials Management service. You will contribute to a SaaS platform, delivering scalable backend features and secure, high-performance services.

The role emphasizes strong testing with JUnit, Mocha, or Jest, and requires a CS/STEM degree plus excellent English communication.

Qualifications

• Degree in Computer Science, STEM, or related discipline.
• Experience building secure, backward-compatible RESTful APIs for large-scale SaaS environments.
• Strong commercial backend experience in Java and/or JavaScript/TypeScript.
• Experience with automated backend testing frameworks (JUnit, Mocha, or Jest).
• Strong ownership, agile mindset, and English communication skills.
• Familiarity with RDF/graph databases and SPARQL.

Responsibilities

• Design, implement, and maintain scalable backend services and APIs in Java and modern JavaScript ecosystems.
• Build new backend features for complex scientific workflows in a cloud-based SaaS environment.
• Ensure test coverage, code maintainability, and robust peer reviews.

Skills

Java

TypeScript

REST APIs

JUnit

Mocha/Jest

English communication

Backend development

SPARQL

Education

CS/STEM degree

Tools

Angular

RxJS

RDF

SPARQL

Job description

BIOVIA in Cambridge is seeking a backend/server-side specialist to design, implement, and scale RESTful APIs using Java and TypeScript within a cloud-first Materials Management service. You will contribute to a SaaS platform, delivering scalable backend features and secure, high-performance services.

The role emphasizes strong testing with JUnit, Mocha, or Jest, and requires a CS/STEM degree plus excellent English communication.