Lead Backend Software Developer (Typescript)
| Posting date: | 15 July 2025 |
|---|---|
| Salary: | £85,000 to £95,000 per year |
| Additional salary information: | Full Package |
| Hours: | Full time |
| Closing date: | 14 August 2025 |
| Location: | Central London, SE1 4GT |
| Remote working: | On-site only |
| Company: | Expert Employment |
| Job type: | Permanent |
| Job reference: | LeadBackSoft09 |
Summary
Lead Backend Software Developer (Typescript)
Hybrid: 2 days a week in London
We are hiring a Senior Backend Engineer to join our small, high-impact software team, reporting directly to the CTO. You will take the lead in building and scaling a robust event-driven backend infrastructure in AWS, while also contributing across architecture, performance, and DevOps practices.
Key Responsibilities:
- Design and build scalable backend services and APIs using TypeScript on a modern serverless AWS stack
- Lead improvements in performance, reliability, and code quality
- Improve and maintain CI CD pipelines, test automation, and internal tooling
- Collaborate across teams — including support for Machine Learning workloads and Data Engineering
- Contribute to architecture discussions, technical documentation, and internal best practices
- Key skills: TypeScript, AWS Lambda, Kinesis, EventBridge, CI/CD, GitHub Actions, Python (for ML), JIRA, Confluence
Key skills:
- Five years' experience in backend engineering
- Advanced skills in TypeScript and modern AWS (especially Lambda, Kinesis, EventBridge)
- Experience with infrastructure-as-code (CDK2 preferred)
- Strong attention to detail and ability to work autonomously
- Comfortable writing clean tickets and documentation
- Experience with Python and data streaming
- Working knowledge of Agile tools like JIRA and Confluence
Contact Information: - Name: Recruitment Team - Email: Apply@expertemployment.co.uk