Senior Software Engineer
Role Description & Technical Scope
Senior Software Engineer - Node.js, Typescript & AWS | Financial Services
Location: London | Hybrid - 1 day onsite ; Salary: £75,000 - £ 105,000
About the role: We're looking for a Senior Software Engineer to join our engineering team and build reliable, scalable technology supporting regulated investment and custody services.
You'll work in a highly autonomous, cross-functional squad with genuine ownership across the full software lifecycle - from architecture and development through to production support and incident management.
Required Skills:
- Strong commercial Node.js and TypeScript experience.
- Solid AWS and Serverless experience.
- Experience building distributed, resilient APIs.
- Experience with MongoDB or another document database.
- A strong understanding of testing, observability and performance.
- Experience working in financial services, fintech, startups or another regulated environment.
- Experience mentoring engineers and taking ownership of production services.
If you're a Senior engineer who enjoys ownership, modern AWS architecture and building technology that powers real financial products, we'd love to hear from you.
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Key Details
- Date Posted: 19 Oct 2026
- Location: london
- Employment: Permanent
- Workplace: Hybrid
- Domain: IT & Technology
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Harvey Nash Group
Verified Tech EmployerEnterprise technology firm or security consultancy operating across the UK digital defense ecosystem.
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