Full Stack Engineer

Position: Full Stack Engineer (Permanent)
Location: Cambridgeshire

Location:

Cambridge (CB4)
Job Type: Permanent

Hours:

Monday - Friday, 8.30am - 5.30pm, flexitime & hybrid working available with Mondays being office based
Salary: from £55000, depending on experience
Job Reference: 35907
Polytec are seeking a Full-Stack Engineer to join our Cambridge based client as a key early hire, helping to design, develop and deploy the core web and mobile applications that power their technology. This is a high-impact role for an adaptable, proactive engineer who thrives in fast-paced startup environments, enjoys working across the full stack and takes deep ownership of their work.
You'll be a key contributor to the technical strategy, shaping product direction while also delivering hands-on engineering. If you enjoy solving complex engineering challenges and building technology that directly improves lives-this role is for you.
Responsibilities:
- Design, build and maintain scalable, secure web and mobile applications using Nuxt, Vue and Ionic/Vue
- Develop and integrate APIs and workflows across physical devices, mobile apps, cloud infrastructure and frontend systems
- Ensure high performance, security, and scalability across all applications
- Influence engineering and product decisions as a key early hire, reporting directly to the CTO
- Write clean, well-structured, testable code following industry best practices
- Debug, optimise and refine existing applications to improve reliability and user experience
- Collaborate with clinical, firmware and engineering teams to deliver user-centric solutions
- Lead the development of new features and enhance existing functionality
- Contribute to architectural decisions and help shape the broader technical strategy
Requirements:
- 5+ years of full-stack development experience, ideally in a startup or fast-paced environment
- 5+ years working with React/Vue, Nuxt/Next, Node.js, Type Script, Postgre

SQL and Redis
- 5+ years developing mobile applications using Ionic
- Strong experience in API development, authentication and database design (Dynamo

DB and Postgre

SQL)
- Demonstrable technical excellence via public demos, project pages, open-source contributions, etc.
- Strong problem-solving skills and a detail-oriented approach
- Excellent communication and stakeholder management abilities
- Ability to work cross-functionally with multiple teams
- Must be eligible to work in the UK without sponsorship
- Bonus: experience with FastAPI, Rabbit

MQ, Kafka, Dev Ops practices, AWS workflows, CI/CD pipelines, distributed systems, or containerised microservices
Please contact us as soon as possible for more details or apply below