Senior Full-Stack Engineer: AI-Driven Cloud & Data Apps

Holt Executive Recruitment; City Of London; On-site; GBP 70,000 - 110,000; Full time

Job summary

Holt Executive Ltd is seeking a Senior Full Stack Software Engineer to design, build and evolve data‑driven applications and cloud platforms. You will work across backend services, APIs and user interfaces, leveraging Python, TypeScript and modern web tech, while deploying to AWS and integrating AI capabilities.

You will join a small, collaborative team, influence architectural decisions and drive features from concept to production, helping scale solutions for broader adoption and delivering

Qualifications

• Strong Python development experience with production apps.
• Hands-on AWS usage: Lambda, ECS/Fargate, S3, API Gateway.
• Docker for containerised deployments.
• Solid SQL skills and data warehouse experience.
• IaC with Terraform.
• GIT and modern CI/CD workflows.
• Experience designing multi‑component software systems.
• Interest in AI‑assisted development and AI feature integration.

Responsibilities

• Design and maintain full‑stack apps from backend to UI.
• Build production software using Python, TypeScript and modern web tech.
• Develop cloud based apps on AWS and other platforms.
• Integrate apps with data pipelines and external services.
• Build AI features, including LLM integrations and AI tool orchestration.
• Contribute to architectural decisions and assess tech options.
• Create proof‑of‑concepts to test new tech.
• Troubleshoot production issues and optimise performance.
• Design data processing and integration patterns for large datasets.
• Implement authentication and authorization mechanisms.
• Support IaC and CI/CD pipelines.
• Collaborate with stakeholders to define requirements and deliver features.
• Scale applications into robust platforms.

Skills

Python development

Problem solving

Team collaboration

Tools

AWS (Lambda, ECS/Fargate, S3, API Gateway)

Docker

SQL

Terraform

Git & CI/CD

Next.js/React/TypeScript

BigQuery (GCP)

Job description

Holt Executive Ltd is seeking a Senior Full Stack Software Engineer to design, build and evolve data‑driven applications and cloud platforms. You will work across backend services, APIs and user interfaces, leveraging Python, TypeScript and modern web tech, while deploying to AWS and integrating AI capabilities.

You will join a small, collaborative team, influence architectural decisions and drive features from concept to production, helping scale solutions for broader adoption and delivering