Principal Engineer
London Stock Exchange Group3 days ago
London, United KingdomStaff+
Responsibilities
- Design and build highly available enterprise applications and optimize mission-critical systems through debugging.
- Collaborate with stakeholders and cross-functional teams across multiple geographies to gather requirements and deliver systems and software.
- Define and enforce technical standards, design patterns, and best practices for API design, development, and security.
- Design and build highly available on-premises and AWS infrastructure.
- Troubleshoot complex distributed systems and support resolution of critical technical issues.
- Lead cloud security posture management in accordance with enterprise security standards.
- Drive infrastructure and application observability using tools such as Datadog.
- Mentor a geographically diverse team of software engineers and foster collaboration, automation, and continuous improvement.
Requirements
- Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent experience.
- Strong hands-on experience with .NET/C# and Microsoft SQL Server.
- Extensive experience building highly available distributed systems in on-premises and AWS environments.
- Strong hands-on experience with AWS services including EKS, EC2, S3, RDS, Lambda, API Gateway, ECS, VPC, IAM, and CloudWatch.
- Strong hands-on experience with relational and NoSQL databases such as DynamoDB.
- Strong hands-on experience with message brokers and event-driven architectures such as Kafka and RabbitMQ.
- Hands-on experience with CI/CD and infrastructure tools such as Jenkins, GitLab CI, Ansible, and Terraform.
- Experience with observability platforms such as Datadog and Prometheus or equivalent tools.
- Experience designing and executing disaster recovery plans and drills.
- Knowledge of cloud security practices including IAM policies, encryption, vulnerability scanning, and compliance audits.
- AWS certifications such as AWS Certified Solutions Architect or AWS Certified Developer are preferred.
Benefits
- Benefits include healthcare, retirement planning, paid volunteering days, and wellbeing initiatives.
- The role is based in London and involves collaboration across a geographically distributed organization.
- Employees can participate in fundraising and volunteering through the LSEG Foundation.
Tech Stack
Amazon DynamoDBAnsibleApache KafkaAWSC#DatadogGitLab CI/CDJenkinsMicrosoft SQL Server.NETPrometheusRabbitMQTerraform
About London Stock Exchange Group
London Stock Exchange Group (LSEG) provides market infrastructure, financial data, and analytics to banks, asset managers, and corporations. Its businesses span capital markets (London Stock Exchange), post-trade clearing (LCH), and information services including FTSE Russell indices and the Refinitiv data platform, funded by transaction fees, subscriptions, and licensing. Headquartered in London and publicly listed on the LSE, the group serves global customers seeking trading, clearing, benchmarks, and enterprise data solutions.