Integration and Full Stack Engineer

London Stock Exchange Group; India; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

London Stock Exchange Group seeks an Integration and Full Stack Engineer to join the Financial Crime Engineering team in India. You will design and develop data warehousing solutions and integrate core systems, building secure APIs and modern full stack applications.

You will work with Node.js/NestJS, React/TypeScript frontend, Java/Spring Boot, and microservices in a cloud-native AWS environment. Strong DevOps practices and API security are essential.

Qualifications

• 8+ years of software engineering experience.
• Experience with enterprise integration and full stack development.
• Experience building cloud-native applications on AWS.
• Exposure to Financial Services, Risk, Compliance or regulated environments is preferred.

Responsibilities

• Design and own enterprise integrations across internal and external platforms.
• Build secure, scalable REST and GraphQL APIs and integration services.
• Develop integrations using EventBridge, SQS, SNS, Step Functions and webhooks.

Skills

REST APIs

GraphQL

OAuth2/OIDC/JWT/SAML

Kafka

React

TypeScript

JavaScript

HTML5

CSS3

Material UI

PostgreSQL

MySQL

DynamoDB

AWS

S3

EventBridge

SQS

SNS

Step Functions

Node.js

NestJS

Java/Spring Boot

Microservices

Distributed Systems

API security

DevOps

CI/CD

Infrastructure as Code

Single Page Applications

Data modelling

Cloud-native

AWS services

Tools

Docker

Kubernetes

CI/CD tooling

Job description

**LSEG are embarking on a Finance Transformation programme, delivering our Finance Vision and redefining the way we work to bring value and deliver sustainable growth for the business. The Programme shall drive efficiencies and maximise benefits for LSEG by Transforming our abilities of managing Financial Crime via our internal Engineering capabilities.****We have an exciting opportunity for a Integration and Full Stack Engineer to join our dynamic team within the London Stock Exchange Group, working as part of the Financial Crime Engineering team, and supporting LSEG through designing and developing data warehousing solutions and integration of our core systems.****The role sits within the Corporate Engineering Delivery function, which provides technology services to Corporate Functions Teams for LSEG, and we are looking** for someone with demonstrated ability for our Financial Crime Engineering Team. This is a hands-on development position for a candidate with demonstrable record of working with data analysis and database development having excellent development and problem-solving skills,someone with creativity and self-motivation to deliver on critically important projects with timelines and competing priorities and execution excellence (preferably in Financial Services) in supporting enterprise applications across various business units and has good exposure to various database engineering platforms.**As a Lead Integration & Full Stack Engineer, you will be responsible for:*** Designing and owning enterprise integrations across internal and external platforms.* Building secure, scalable **REST APIs**, **GraphQL APIs** and integration services.* Developing integrations using **EventBridge**, **SQS**, **SNS**, **Step Functions** and webhooks.* Building modern full stack applications supporting business workflows.* Developing responsive UIs using **React** and **TypeScript**.* Building backend services using **Java/Spring Boot** or **Node.js/NestJS**.* Designing and implementing **microservices** and cloud-native applications.* Managing application deployments, releases and production support.* Establishing integration standards, reusable patterns and best practices.* Collaborating with business, architecture and engineering teams.* Driving code reviews, testing, automation and engineering quality.* Mentoring engineers and providing technical leadership.**Knowledge/Skills*** Experience with **Enterprise Integration Patterns** and system interoperability, **Kafka** is must* Strong experience with REST APIs, GraphQL, Webhooks and API design.* Strong understanding of **OAuth2**, **OIDC**, **JWT**, **SAML** and API security.* Proven experience designing event‐driven and message‐based architectures.* Hands-on experience with **Node.js/NestJS**.* Experience building **Microservices** and **Distributed Systems**.* Strong proficiency in **React**, **TypeScript**, **JavaScript**, **HTML5** and **CSS3**.* Experience with **Material UI** or similar component frameworks.* Strong working knowledge of **PostgreSQL**, **MySQL** and **DynamoDB**.* Experience with data modelling and query optimization.* Hands-on experience with **AWS services (Lambda**, **ECS**, **EKS, SQS, SNS, EventBridge**, **API Gateway**)* Experience with **RDS**, **DynamoDB** and **S3**.* undefined **Experience*** **8+ years** of software engineering experience.* Proven experience in **enterprise integration** and **full stack development**.* Strong experience designing and delivering **API-first solutions**.* Experience building cloud-native applications on **AWS**.* Experience integrating platforms such as **ServiceNow**, **Salesforce**, **Workday** or **SAP**.* Experience delivering **event-driven** and **microservices-based** solutions.* Experience with **DevOps**, **CI/CD** and **Infrastructure as Code**.* Exposure to Financial Services, Risk, Compliance or regulated environments is preferred.* Strong stakeholder management, ownership and leadership skills. **Career Stage:**Senior Associate