Sr. Software Engineer (Java, Go)

About Us:Proofpoint is a global leader in human- and agent-centric cybersecurity.

Are you the right candidate for this opportunity Make sure to read the full description below.

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 innovateResponsive to feedback, challenges and opportunitiesAccountable for results and best in class outcomesVisionary in future focused problem-solvingExceptional in execution and impactThe Role We're looking for a Sr.

Software Engineer to join our team and help build, scale, and maintain the systems powering our platform.

You'll work across a large, complex micro-services architecture.

This role is for someone who enjoys digging into hard problems, isn't afraid of ambiguity, and wants to keep pushing their own skills forward.Responsibilities Design, build, and maintain services across our micro-service ecosystemDebug complex, cross-service issues — you'll need to dig deep, trace root causes, and see problems through to resolutionParticipate in an on-call rotation, responding to and resolving production issuesCollaborate closely with teammates, clearly communicating technical trade-offs, decisions, and progressNavigate ambiguous problems and evolving requirements, helping bring clarity and direction to the teamUse AI-First and AI-assisted development tools where practical to improve velocity and qualityTake on unglamorous but necessary work when the team needs it — tech debt, infra-migrationsContinuously look for ways to innovate and improve how the team builds and operates softwareWhat You Bring to the TeamProven software engineering experience with a level of seniorityProficiency in Java, Go, and PythonStrong debugging and problem-solving skills — comfortable tracing issues through complex, distributed systemsExperience with (or strong aptitude for) large-scale microservice architectures
- Comfortable with on-call responsibilitiesOpenness to AI-first development practices and toolsExcellent communication skills and a collaborative, team-first mindsetComfortable operating in ambiguous situations without needing every requirement fully spelled outA self-starter mentality — willing to challenge yourself, take initiative, and step up wherever the team needs help, including on less glamorous workBSc Degree in Computer Science or a related field (or equivalent practical experienceWhy 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 compensationComprehensive benefitsCareer success on your termsFlexible work environmentAnnual wellness and community outreach daysAlways on recognition for your contributionsGlobal collaboration and networking opportunitiesOur 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. xbpsjku

If you need accommodation during the application or interview process, please reach out to to ApplyInterested? Submit your application along with any supporting information- we can’t wait to hear from you!SummaryLocation: Belfast, Northern IrelandType: Full time