Software Engineer (Node.js Backend)

lseg

Bucharest - Iuliu Maniu Boulevard, ROFull-time2026-10-20 → 2026-11-09

Core

Design, develop, and maintain scalable backend services and mobile infrastructure for financial markets data platforms.

Role type

Senior IC backend software engineer (Node.js)

Builds

Scalable backend services, mobile infrastructure, and cloud-native solutions for financial market data customers.

Domain

Financial markets infrastructure and data

Required skills

Node.js, TypeScript, JavaScript, AWS, Azure, Microservices, Docker, Kubernetes, GitLab CI/CD

Preferred skills

Financial markets experience, fintech environments

Technologies

Node.js, TypeScript, JavaScript, AWS, Azure, DynamoDB, Docker, Kubernetes, Docker Swarm, GitLab CI/CD

Responsibilities

Design and develop scalable backend services using Node.js and TypeScript; Architect and manage backend solutions on AWS and Azure; Develop and maintain CI/CD pipelines; Provide Level 3 production support for mobile backend services; Research emerging technologies and provide technical recommendations.

Seniority

Senior, hands-on IC

About lseg

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehens