Sr. Software Engineer
Proofpoint · On-site · Full-time · Belfast, Northern Ireland
Posted (18h ago)
- Employer posted
- First seen here
- Repost check
- Same job ID since we first saw it on Oct 23, 2026. If Proofpoint reposts it, we keep the original posting date.
- Level
- Senior
- Work setup
- On-site
- Tech mentioned
- Python, AWS, Kafka, Java, .NET, Azure, GCP
- Proofpoint hiring
- 14 roles posted in the last 30 days
Job description
About Us:
Proofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust Proofpoint to stop threats, prevent data loss, and build resilience across their people and AI workflows. Our mission is simple: safeguard the digital world and empower people to work securely and confidently. Join us in our pursuit to defend data and protect people.
How We Work:
At Proofpoint you’ll be part of a global team that breaks barriers to redefine cybersecurity guided by our BRAVE core values:
Bold
in how we dream and innovate
Responsive
to feedback, challenges and opportunities
Accountable
for results and best in class outcomes
Visionary
in future focused problem-solving
Exceptional
in execution and impact
The Role
We're looking for a Sr. Software Engineer to join the Inception team within our Core Email Protection API group. The team owns the email processing flow, integrations with other Proofpoint services, and critical data infrastructure, including Kafka clusters and data lakes. You'll join at a pivotal moment, as we scale our services to meet the enterprise-grade demands of our customers.
Your day-to-day
Engage with the world of Python 3 and AWS, architecting robust distributed systems designed to manage immense volumes of data with exceptional speed.
Collaborate across various functions, harnessing team synergy to deliver premium solutions and outcomes for our esteemed customers.
Apply your keen product mindset and tech savvy to help shape Defender's future, contributing to our progressive vision.
Cultivate a supportive environment by providing thoughtful, actionable feedback, fostering growth and development among team members.
Embrace the responsibility of maintaining and supporting our essential business systems, always mindful of the interplay between scale, latency, and cost.
Take on the complex task of processing highly sensitive data, a challenge that will refine your skills in data security and handling.
Guide and support your team members, enhancing the team's effectiveness and productivity by applying your knowledge and experience.
Spearhead cross-team projects, guiding them from their conception through to their deployment in production.
What you bring to the team
Possess extensive experience in Backend development (Codebase is Python, but can consider transition from Java or .NET)
Public cloud exposure with AWS, Azure or GCP
Track record of working at scale and solving diverse technical challenges
Product-focused mindset, understanding the impact of your decisions on customers and the organization
Ability to proactively identify and solve problems before they impact progress
Be willing and able to lead and shape the technical direction of projects, aligning with business goals
Mentor peers, sharing knowledge and fostering a culture of continuous improvement.
Demonstrate advanced problem-solving abilities, navigating complex challenges with innovative solutions
Collaborate effectively with cross-functional teams, influencing outcomes and driving project success
Excel in communication, capable of empathetic and constructive dialogue in both technical and non-technical settings with a varied audience
Why Proofpoint?
At Proofpoint, we believe that an exceptional career experience includes a comprehensive compensation and benefits package. Here are just a few reasons you’ll love working with us:
Competitive compensation
Comprehensive benefits
Career success on your terms
Flexible work environment
Annual wellness and community outreach days
Always on recognition for your contributions
Global collaboration and networking opportunities
Our Culture:
Our culture is rooted in values that inspire belonging, empower purpose and drive success-every day, for everyone.
We encourage applications from individuals of all backgrounds, experiences, and perspectives. If you need accommodation during the application or interview process, please reach out to
[email protected]
.
How to Apply
Interested? Submit your application along with any supporting information- we can’t wait to hear from you!
Proofpoint job ID: Sr-Software-Engineer_R14901
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