Software Engineer I

Great Britain - London💼 Full-time💰 $48,000–$48,000🗓 2026-09-02 → 2026-09-25

Core

Build scalable data platforms on AWS to process billions of events, fuel ML models, and power real-time cybersecurity products.

Role type

Senior IC Software Engineer (Data Platform)

Builds

Scalable microservices, data processing pipelines, and AI/ML data infrastructure on AWS.

Domain

Cybersecurity, Big Data, Cloud Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

Java (11+), AWS services (ALB, ECS, S3, ElastiCache, IAM, CloudWatch), Kafka, Relational/NoSQL databases, Infrastructure as Code (Terraform/CloudFormation), CI/CD (Jenkins)

Preferred skills

AI-powered development tools (Cursor, Claude), mentoring junior engineers, cost optimization strategies

Technologies

Java, AWS, Kafka, Terraform, CloudFormation, Jenkins, S3, ECS, ElastiCache, IAM, CloudWatch

Responsibilities

Implement scalable microservices on AWS; mentor junior engineers; create technical documentation; support critical incidents; monitor AWS usage for cost savings.

Seniority

Senior, hands-on IC with mentorship responsibilities

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About Mimecast

Relentless protection. Resilient world. Mimecast was born in 2003 with a focus on delivering relentless protection. Each day, we take on cyber disruption for our tens of thousands of customers around the globe; always putting them first, and never giving up on tackling their biggest security challenges together. We continuously invest to thoughtfully integrate brand protection, security awareness training, web security, compliance, and other essential capabilities. Mimecast is here to help protect large and small organizations from malicious activity, human error, and technology failure — and