Sr. Backend Software Engineer - #1784238
Proofpoint
Date: 10 hours ago
City: Belfast
Contract type: Full time
Work schedule: Full day

About Us
We are the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their organizations. We’re driven by a mission to stay ahead of bad actors and safeguard the digital world. 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.
Corporate Overview
Proofpoint is a leading cybersecurity company protecting organizations’ greatest assets and biggest risks vulnerabilities in people. With an integrated suite of cloud-based solutions, Proofpoint helps companies around the world stop targeted threats, safeguard their data, and make their users more resilient against cyber-attacks. Leading organizations of all sizes, including more than half of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks across email, the cloud, social media, and the web.
We are singularly devoted to helping our customers protect their greatest assets and biggest security risk their people. That’s why we’re a leader in next-generation cybersecurity. Protection Starts with People. Proofpoint.
The Role
We’re looking for a Sr. Software Engineer to join the Proofpoint Tessian Engineering Group in our Inbound Threat Engineering team. The Tessian product suite offers inbound threat defence software, via API, to Microsoft or Google e-mail platforms, as well as a data loss prevention (DLP) service that utilises Machine Learning for maximum protection.
You’ll join at an exciting time as we scale our services and expand our reach. Expect to collaborate with passionate engineers across multiple teams, help us integrate deeper into the Proofpoint ecosystem, and scale to protect even more customers.
We’re looking for experienced engineers who bring expertise aligned with our tech stack, along with a passion for continuous learning and a collaborative mindset. We value different perspectives and welcome candidates who thrive in inclusive, growth-oriented environments.
Our tech stack
We use technologies that support reliability, scale, and rapid iteration
In the ITE Team we deeply embrace the DevOps culture, as we design, build, test, deploy and monitor our services. Our day to day involves developing the email scanning flow to quickly and accurately provide protection to users in real time. We ensure that the correct remediation can take place before the user is placed at risk, and follow up with providing metadata to other systems to be visualized etc.
You’ll have the opportunity to
What you bring to the team
We think you’ll enjoy working with us if you value outcome-driven work, collaborative thinking, and data-informed decision-making. We encourage respectful debate, diverse viewpoints, and working together to find the best path forward.
Why Proofpoint
Protecting people is at the heart of our award-winning lineup of cybersecurity solutions, and the people who work here are the key to our success. We’re a customer-focused and a driven-to-win organization with leading-edge products. We are an inclusive, diverse, multinational company that believes in culture fit, but more importantly ‘culture-add’, and we strongly encourage people from all walks of life to apply.
We believe in hiring the best and the brightest to help cultivate our culture of collaboration and appreciation. Apply today and explore your future at Proofpoint!
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
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 here https //www.proofpoint.com/us/company/careers. We can’t wait to hear from you!
We are the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their organizations. We’re driven by a mission to stay ahead of bad actors and safeguard the digital world. 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.
Corporate Overview
Proofpoint is a leading cybersecurity company protecting organizations’ greatest assets and biggest risks vulnerabilities in people. With an integrated suite of cloud-based solutions, Proofpoint helps companies around the world stop targeted threats, safeguard their data, and make their users more resilient against cyber-attacks. Leading organizations of all sizes, including more than half of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks across email, the cloud, social media, and the web.
We are singularly devoted to helping our customers protect their greatest assets and biggest security risk their people. That’s why we’re a leader in next-generation cybersecurity. Protection Starts with People. Proofpoint.
The Role
We’re looking for a Sr. Software Engineer to join the Proofpoint Tessian Engineering Group in our Inbound Threat Engineering team. The Tessian product suite offers inbound threat defence software, via API, to Microsoft or Google e-mail platforms, as well as a data loss prevention (DLP) service that utilises Machine Learning for maximum protection.
You’ll join at an exciting time as we scale our services and expand our reach. Expect to collaborate with passionate engineers across multiple teams, help us integrate deeper into the Proofpoint ecosystem, and scale to protect even more customers.
We’re looking for experienced engineers who bring expertise aligned with our tech stack, along with a passion for continuous learning and a collaborative mindset. We value different perspectives and welcome candidates who thrive in inclusive, growth-oriented environments.
Our tech stack
We use technologies that support reliability, scale, and rapid iteration
- Backend Python-based microservices
- Cloud AWS
- Databases DynamoDB, PostgreSQL
- Infrastructure Terraform
- DevOps Docker, CircleCI, GitHub
In the ITE Team we deeply embrace the DevOps culture, as we design, build, test, deploy and monitor our services. Our day to day involves developing the email scanning flow to quickly and accurately provide protection to users in real time. We ensure that the correct remediation can take place before the user is placed at risk, and follow up with providing metadata to other systems to be visualized etc.
You’ll have the opportunity to
- Design and build reliable distributed systems that handle volumes of data with low latency.
- Maintain and support business-critical systems where scale and latency are front-of-mind.
- Contribute code to production regularly using our CI/CD pipeline
- Address challenges related to processing highly sensitive data in a secure and privacy-conscious way.
- Learn to build with security in mind.
- Provide technical leadership, mentor peers in a supportive way, contribute to design reviews, and collaborate on solving complex challenges.
- Make your mark on ambitious projects.
What you bring to the team
- Proven experience with Python for backend development
- Extensive experience with AWS Services
- Experience with Docker for creating and deploying containers
- Demonstrated ability to plan, coordinate, and execute engineering projects
- High volume NoSQL and SQL databases such as; Dynamo DB, Postgres
- Terraform built environments
- Experience working with data and infrastructure at scale
- Event driven architecture such as Kafka/Kinesis
We think you’ll enjoy working with us if you value outcome-driven work, collaborative thinking, and data-informed decision-making. We encourage respectful debate, diverse viewpoints, and working together to find the best path forward.
Why Proofpoint
Protecting people is at the heart of our award-winning lineup of cybersecurity solutions, and the people who work here are the key to our success. We’re a customer-focused and a driven-to-win organization with leading-edge products. We are an inclusive, diverse, multinational company that believes in culture fit, but more importantly ‘culture-add’, and we strongly encourage people from all walks of life to apply.
We believe in hiring the best and the brightest to help cultivate our culture of collaboration and appreciation. Apply today and explore your future at Proofpoint!
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
- Learning & Development We are committed to the growth and development of our team members, offering a range of programs including leadership and professional development workshops, stretch project assignments, and mentoring opportunities to help employees reach their full potential.
- Flexible work environment [Remote options, hybrid schedules, flexible hours, etc.].
- Annual wellness and community outreach days
- Always on recognition for your contributions
- Global collaboration and networking opportunities
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 here https //www.proofpoint.com/us/company/careers. We can’t wait to hear from you!
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