ProofpointSr. Software Engineer
Proofpoint is hiring a Sr. Software Engineer in Belfast, United Kingdom. Level rates it ; you can apply on Proofpoint.
Level's read on this job
- Uses AI ●●○○ is how Level rates this software engineer role: an ordinary role that requires AI tools.
- The posting mentions Java, Python and PostgreSQL among its tools and skills.
- Level classes it as a senior role.
- Proofpoint has 123 other open roles on Level.
- Posted in the last few days.
AI in this role
Build high-performance backend services and distributed systems using AI-assisted engineering tools as a force multiplier.
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
Proofpoint is looking for a highly motivated Sr. Software Engineer to join the Threat Response product engineering team. This role focuses on designing distributed systems, solving scalability challenges, and building high-performance backend services operating at scale.
What You Bring to the Team
- Extensive software development experience building enterprise or SaaS applications
- Excellent programming skills in Java and/or Python, with a demonstrated ability to design, implement, and maintain large-scale production systems
- Experience building and operating large-scale, multi-tenant SaaS platforms.
- Experience designing scalable distributed systems that process high volumes of events, messages, or transactions
- Experience designing scalable processing frameworks that support parallel execution, tenant isolation, and fair resource utilization
- Experience working with PostgreSQL or other relational databases, including query optimization, performance tuning, and database scalability
- Demonstrated ability to effectively leverage AI-assisted engineering tools as a force multiplier for software design, implementation, testing, debugging, and operational support
- Strong analytical, problem-solving, communication, and collaboration skills.
- BSc degree in Computer Science, Engineering, or equivalent practical experience
Preferred Qualifications
- Experience with AWS cloud services and modern cloud application architectures
- Experience with messaging and streaming technologies such as Kafka, SQS, or similar platforms
- Experience optimizing application efficiency, system throughput, and resource utilization in large-scale production environments
- Experience integrating with Microsoft 365, Microsoft Graph, Google Workspace, or other enterprise SaaS platforms
- Experience with modern frontend technologies such as React or TypeScript.
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 accessibility@proofpoint.com.
How to Apply
Interested? Submit your application along with any supporting information- we can’t wait to hear from you!
How we rate this
Sr. Software Engineer at Proofpoint rates 40 out of 100 for how much of the daily work is AI. That makes it Uses AI (AI Level 2 of 4). The level is about AI in the job, not seniority.
Uses AI. An ordinary role that requires AI tools.
- ●●●● Builds AI80 to 100
- ●●●○ Works on AI60 to 79
- ●●○○ Uses AI40 to 59
- ●○○○ Little AI0 to 39
Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.
Prepare for this job
Built from this posting and from similar jobs on Level.
Skills and AI tools this role asks for
Also common in software engineer jobs at this level
Pay
- Typical software engineer job
- $168k
This posting doesn't list pay. Use the typical software engineer figure when pay comes up. See software engineer jobs
Questions you could be asked
- How do you decide when an AI agent can act on its own versus asking for approval first?
- Tell me about a project where software engineering was part of your work. What did you do?
- Tell me about a project where distributed systems was part of your work. What did you do?
- Tell me about a project where backend was part of your work. What did you do?
- Tell me about a project where ai assisted coding was part of your work. What did you do?
Adapt your resume
- List these exact terms on your resume: AI agents, Software Engineering, Distributed Systems, Backend, and AI Assisted Coding. An applicant tracking system matches the wording, not the idea.
- Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
- Put the AI tool in a bullet point about what you did, not just in a skills list. This role treats it as a required part of the job.
Want an expert to read your CV for this job?
Free. Send your CV and the role you want next. We reply by email within 2 to 4 business days.
Get new software engineer jobs (Uses AI ●●○○ or higher) by email
One email a week with the new software engineer jobs (Uses AI ●●○○ or higher), each rated for how much AI is in the work. No recruiter spam, unsubscribe in one click.
Free. One email a week. Unsubscribe in one click.
Similar roles
Software Engineering roles that use AI, at other companies.
What kind of AI work fits you?
Answer 12 practical questions in about three minutes. Get a simple profile, the work it points to, and live roles to explore next.
Find my next step