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- Tasks: Lead the development of cutting-edge email security solutions and mentor junior engineers.
- Company: Mimecast is a leader in email security, innovating with the latest technologies.
- Benefits: Enjoy a hybrid work model, comprehensive benefits, and opportunities for professional growth.
- Why this job: Join a dynamic team tackling real-world email challenges while making a significant impact.
- Qualifications: 10+ years in software development, strong Java skills, and experience with AWS and microservices.
- Other info: We celebrate diversity and encourage applicants from all backgrounds to apply.
The predicted salary is between 72000 - 108000 £ per year.
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Senior Principal Software Engineer – Email Security, London
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Client:
Mimecast
Location:
London, United Kingdom
Job Category:
Other
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EU work permit required:
Yes
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Job Reference:
2c88b1d698b4
Job Views:
5
Posted:
12.08.2025
Expiry Date:
26.09.2025
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Job Description:
Why Join Our Team?
What You’ll Do?
Responsibilities
- Design new features or enhancements based on high-level architectures.
- Work on a global, highly distributed infrastructure
- High availability, mission critical Java services
- Opportunity to modernize the technology stack
- Lead backlog grooming, planning, design reviews, and code reviews.
- Deliver AWS-based Java services through CI/CD and Infrastructure as Code.
- Engage with the team through collaboration, problem-solving, and teamwork.
- Continually improve team efficiency, personal skills, and team skills.
- Take ownership and create accountability within the team.
- Lead security reviews of designs and implementations.
- Act as a technical lead within the team, fostering collaboration and teamwork.
- Apply technology trends and industry innovations to our products.
- Coach and mentor team members in areas of expertise.
Experience
- 10+ years of software development experience.
- Strong object-oriented programming skills following SOLID principles.
- Familiarity with Jenkins CI/CD pipelines and Terraform.
- Experience with containerization technologies such as Docker and Kubernetes.
- Proficient in AWS services.
- Proven ability to build high-volume, scalable, distributed back-end services.
- Proficient in multithreaded software engineering, with expertise in designing, implementing, and troubleshooting concurrent systems to optimize performance and resource utilization
- Proficient in leveraging AI tools, such as Cursor, to enhance software engineering practices, including automated design, code generation, and testing, ensuring high-quality and efficient development workflows.
- Excellent collaboration, influencing, negotiation, coaching, mentoring, and coalition-building skills.
- Strong verbal and written communication skills.
- A great team player with demonstrable experience delivering superior software products via Agile methodologies
- Continuous learning mindset, keeping abreast of related industry technologies, tools, and standards.
What We Bring
Mimecast offers formal and on the job learning opportunities, maintains a comprehensive benefits package that helps our employees and their family members to sustain a healthy lifestyle, and importantly – working in cross functional teams to build your knowledge!
Our Hybrid Model: We provide you with the flexibility to live balanced, healthy lives through our hybrid working model that champions both collaborative teamwork and individual flexibility. Employees are expected to come to the office at least two days per week because working together in person:
- Fosters a culture of collaboration, communication, performance and learning
- Drives innovation and creativity within and between teams
- Introduces employees to priorities outside of their immediate realm
- Ensures important interpersonal relationships and connections with one another and our community!
The UK base salary range for this position is £120,000-£180,000 base + benefits. This reflects the minimum and maximum target for new hire salaries for this position. This position may also be eligible for bonus, incentive plans, and other related benefits. Our salary ranges are determined by role, level, and location. These factors and individual capabilities will also determine the individual pay offered.
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Senior Principal Software Engineer - Email Security employer: Mimecast
Contact Detail:
Mimecast Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Principal Software Engineer - Email Security
✨Tip Number 1
Familiarise yourself with the latest trends in email security and AWS technologies. Being well-versed in these areas will not only help you during interviews but also demonstrate your genuine interest in the role.
✨Tip Number 2
Engage with the Mimecast community on platforms like LinkedIn or relevant tech forums. Networking with current employees can provide valuable insights into the company culture and expectations, which can be beneficial during your application process.
✨Tip Number 3
Prepare to discuss your experience with CI/CD pipelines and containerisation technologies like Docker and Kubernetes. Be ready to share specific examples of how you've implemented these in past projects, as this is crucial for the role.
✨Tip Number 4
Showcase your leadership skills by preparing examples of how you've mentored junior engineers or led teams in previous roles. This aligns with the responsibilities of the position and highlights your ability to foster collaboration.
We think you need these skills to ace Senior Principal Software Engineer - Email Security
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience in software development, particularly with Java and AWS. Emphasise your proficiency in building REST/HTTP microservices and any relevant projects that showcase your skills in multithreaded software engineering.
Craft a Compelling Cover Letter: In your cover letter, express your passion for email security and how your background aligns with the responsibilities outlined in the job description. Mention specific technologies you’ve worked with, such as Jenkins, Docker, and Kubernetes, to demonstrate your fit for the role.
Showcase Leadership Experience: Since this role involves mentoring and leading teams, include examples of your leadership experience. Highlight instances where you have coached junior engineers or led technical projects, showcasing your ability to foster collaboration and innovation.
Highlight Continuous Learning: Mention any recent courses, certifications, or self-study related to emerging technologies in software engineering. This shows your commitment to staying updated with industry trends and your proactive approach to professional development.
How to prepare for a job interview at Mimecast
✨Showcase Your Technical Expertise
As a Senior Principal Software Engineer, it's crucial to demonstrate your deep understanding of Java, AWS, and microservices. Be prepared to discuss specific projects where you've applied these technologies, focusing on your role in the development lifecycle.
✨Emphasise Leadership and Mentoring Skills
This role involves mentoring junior engineers, so highlight your experience in coaching and leading teams. Share examples of how you've fostered collaboration and improved team efficiency in past roles.
✨Prepare for Problem-Solving Scenarios
Expect technical questions that assess your problem-solving abilities. Practice articulating your thought process when tackling complex issues, especially those related to email security and high-volume systems.
✨Demonstrate Continuous Learning
The tech landscape is always evolving, so show your commitment to staying updated with industry trends. Discuss any recent technologies or tools you've explored, particularly those relevant to email security and software engineering best practices.
