Senior Platform Engineer — Cloud-Native APIs & AI DevSecOps

LSEG (London Stock Exchange Group); New York (NY); Hybrid; USD 113,900 - 189,900; Full time

Job summary

LSEG is seeking a Senior Platform Engineer to drive secure, scalable cloud-native solutions across Azure and AWS. You will design APIs in Python, build modern front-ends, and deploy resilient systems in hybrid environments.

A strong focus on integrating Wiz CNAPP and AI-powered tooling will shape automation and developer productivity. The role requires DevSecOps proficiency, Terraform IaC, and containerization with Docker/Kubernetes, plus experience with React-based front-end work and

Qualifications

• 7+ years of professional software development with backend/cloud-native focus.
• 4+ years Python building scalable APIs, with automation and data processing.
• 2+ years Go (Golang) in microservices, concurrency, and performance.
• Experience with FastAPI, Flask, or Django backend frameworks.
• Strong REST, WebSockets, API versioning, and documentation practices.
• Frontend tech: React, Next.js, or Vue.js.
• SQL/NoSQL databases: PostgreSQL, MySQL, MongoDB, Redis.
• Cloud-native environments (Azure) incl AKS, Azure Functions, Azure Policy.
• Security concepts: CORS, CSRF, auth flows, rate-limiting.
• Experience with AI coding tools and APIs; software architecture knowledge.

Responsibilities

• Design and develop secure, scalable RESTful and GraphQL APIs using Python frameworks.
• Build responsive front-end apps with React/TypeScript.
• Implement CI/CD pipelines and IaC with Terraform; containerize with Docker/Kubernetes.
• Integrate AI/ML models into production, including monitoring and retraining.
• Collaborate with product, design, and DevOps to deliver production-grade software.
• Mentor developers and conduct code/design reviews; write tests for quality.

Skills

Python

Go (Golang)

REST API design

GraphQL

Frontend experience

Education

Bachelor's or Master's in CS/Software Engineering

Tools

Terraform

Docker

Kubernetes

React

TypeScript

Git

Job description

LSEG is seeking a Senior Platform Engineer to drive secure, scalable cloud-native solutions across Azure and AWS. You will design APIs in Python, build modern front-ends, and deploy resilient systems in hybrid environments.

A strong focus on integrating Wiz CNAPP and AI-powered tooling will shape automation and developer productivity. The role requires DevSecOps proficiency, Terraform IaC, and containerization with Docker/Kubernetes, plus experience with React-based front-end work and