Software Engineering Intern (Summer, 10 weeks)

Toronto - Canada

Monthly Salary: Not Disclosed

Posted on: Yesterday

Vacancies: 1 Vacancy

Job Summary

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 Fortunelarge 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 youll 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

Software Engineering Intern (Summer 10 weeks) Semantic Search Application Features

Join our product engineering team to build end-user semantic search features that help investigators and reviewers find the right communications fast using embeddings hybrid retrieval and modern UX patterns.

What youll do

* Implement semantic hybrid search experiences (filters facets ranking highlighting why this result)

* Integrate the application with search services (vector DB / OpenSearch/Elasticsearch rerankers query services) via clean APIs

* Build workflows around results: saved searches collections export auditability and performance tuning

* Add instrumentation for search quality and latency (telemetry dashboards error handling)

Required skills

* Strong software engineering fundamentals; proficiency in TypeScript/JavaScript (and/or Java/Python depending on stack)

* Experience building **web application features** (API integration state management testing)

* Comfort with REST/gRPC data modeling and performance-minded development

* Familiarity with search concepts: relevance ranking filters/facets (prior search experience a plus)

Nice to have

* Exposure to embeddings/RAG vector databases (FAISS Milvus Pinecone) or OpenSearch/Elasticsearch

* UI/UX sensibility for search (result rendering query suggestions pagination/infinite scroll)

* Experience with observability tools (logs/metrics/tracing) and cloud deployment basics

Logistics

* 10-week summer internship** (location/on-site: Toronto Canada)

* Deliverable: a working semantic search feature slice (UI API integration) with quality/latency metrics and tests

Why Proofpoint

At Proofpoint we believe that an exceptional career experience includes a comprehensive compensation and benefits package. Here are just a few reasons youll 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 .

How to Apply

Interested Submit your application along with any supporting information- we cant wait to hear from you!

Required Experience:

Intern

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 Fortunelarge enterprises and millions of smaller organizations trust Proofpoint to stop threats prevent data l...