Lead Backend Software Developer (Typescript)

Expert Employment; London; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

Une entreprise technologique dynamique à Londres recrute un Lead Backend Software Developer spécialisé en TypeScript. Le candidat idéal sera responsable de la conception de services backend robustes utilisant AWS dans un environnement hybride, tout en soutenant un travail inter-équipes sur des projets critiques et innovants. Une expertise en CI/CD et infrastructures modernes est essentielle pour réussir dans ce rôle.

Qualifications

• Cinq ans d'expérience en ingénierie backend.
• Compétences avancées en TypeScript et AWS.
• Expérience avec infrastructure-as-code (CDK2 préféré).

Responsibilities

• Concevoir et construire des services backend évolutifs en utilisant TypeScript.
• Améliorer et maintenir les pipelines CI/CD et automatisation des tests.
• Collaborer sur les charges de travail Machine Learning et Data Engineering.

Skills

TypeScript

AWS Lambda

Kinesis

EventBridge

CI/CD

GitHub Actions

Python

Agile

Tools

JIRA

Confluence

CDK2

Job description

• Type: Permanent

Lead Backend Software Developer (Typescript)

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

• Start: ASAP
• Duration: Permanent