# Lead Software Engineer

**Company**: London Stock Exchange Group (LSEG)
**Location**: London
**Experience**: senior
**Job type**: full-time
**Category**: Engineering
**Industry**: Finance

**Apply**: https://lseg.wd3.myworkdayjobs.com/en-US/Careers/job/London-United-Kingdom/Security-Controls-Specialist_R0115433-1?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_e5b83e56-838

## Description

We are seeking a Lead Software Engineer to join the Cyber Security Engineering team at LSEG. The role involves designing, building, and maintaining data-driven capabilities to support the operation, monitoring, and evidencing of security defences.

The successful candidate will focus on reducing manual effort across audit, assurance, and risk processes by building tools, APIs, data pipelines, dashboards, command line utilities, and automated evidence collection workflows.

Key responsibilities:

- Build software and automation to support control monitoring, testing, reporting, and evidence collection

- Develop command line tools, APIs, integrations, and workflows that simplify assurance activity

- Integrate with security platforms, group risk systems, cloud services, SIEM, vulnerability management, IAM, EDR, and other engineering tools

- Develop repeatable evidence generation processes for audits, regulatory reviews, customer assessments, and compliance activities

- Use data to identify control gaps, weaknesses, trends, and risk exposure

- Translate technical control activity into clear, auditable evidence and reporting

- Work to improve control design, implementation, measurement, and documentation

- Provide technical feedback utilizing code and design review and engineering challenge

- Support the development of standards and policy documentation and policy-as-code approaches

- Promote automation and control monitoring and data-led assurance across the team

Requirements:

- Previous experience building command line tools

- Working knowledge of web-based systems and REST APIs

- Commercial experience with Rust, TypeScript, Python, Go, and JavaScript

- Knowledge of common algorithms and data structures for handling large volumes of data

- Experience providing feedback to engineering teams through code review

- Exposure to a wide range of programming languages, frameworks, and cloud technologies

- Strong software engineering fundamentals, including testing, version control, maintainability, documentation, and secure coding practices

- Experience working with structured and unstructured data to generate meaningful control insight

- Ability to communicate technical concepts clearly to engineers, risk teams, auditors, and senior stakeholders

Helpful skills to have:

- Understanding of cyber security, control testing, evidence requirements, and risk management

- Experience working in regulated environments

- Previous consulting experience working closely with engineering teams

- Experience writing standards, policy documentation, or policy as code

- Experience automating control testing, evidence collection, or continuous control monitoring

- Relevant cyber security, cloud, software engineering, or risk certifications

## Skills

### Required
- Rust
- TypeScript
- Python
- Go
- JavaScript
- REST APIs
- cloud technologies
- cyber security

### Nice to have
- policy as code
- automated control testing
- continuous control monitoring
- cyber security certifications

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Source: [Apply at lseg.wd3.myworkdayjobs.com](https://lseg.wd3.myworkdayjobs.com/en-US/Careers/job/London-United-Kingdom/Security-Controls-Specialist_R0115433-1?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)