SaaS Backend Engineer

Salary: £65,000 - 105,000 per year

Requirements

• 3+ years of professional software development experience.
• Strong proficiency in TypeScript, Node.js (NestJS/Express), and Angular.
• Experience building and maintaining multi-tenant SaaS applications, including tenant isolation and scalability.
• Proficiency with REST APIs, API versioning, and familiarity with OAuth2/OpenID Connect, JWTs, JWKs, and related security best practices.
• Solid experience with PostgreSQL or similar relational databases; familiarity with key-value/document stores.
• Practical experience with Git and GitLab CI/CD workflows, and automated build/test pipelines.
• Understanding of asynchronous patterns (queues, messaging, events).
• Experience with secrets management and key/certificate rotation.
• Strong automated testing discipline: unit, integration, and end-to-end testing.
• Strong debugging abilities, analytical reasoning, and problem-solving skills.
• Excellent communication and collaboration abilities, working effectively across cross-functional teams.

Responsibilities

• Design, build, and maintain scalable, high-quality software solutions that support our industry-leading platforms.
• Collaborate with cross-functional teams.
• Contribute to architectural decisions.
• Help drive innovation across the product lifecycle.

Technologies

• API
• Angular
• Backend
• CI/CD
• Git
• GitLab
• Support
• NestJS
• OpenID
• PostgreSQL
• REST
• Security
• TypeScript
• NodeJS
• JavaScript

More

We are PTC, a global team of nearly 7,000 people creating software that brings the physical and digital worlds together so companies can improve operations, create better products, and empower people across their business. We value opportunities for our team members to explore, learn, and grow while seeing ideas come to life and celebrating the differences that make us who we are. This Backend Software Engineer role is based in Cambridge, United Kingdom and is full time. The stated annual base salary range for this role is 33,000 to 82,500 GBP, with potential eligibility for performance-based variable compensation and participation in our Employee Share Purchase Programme, subject to applicable rules and eligibility criteria.

last updated 37 week of 2026