{"id":2476960,"url":"https://alion.io/job/proofpoint-software-engineer-ii","title":"Software Engineer II","company":{"id":5122,"name":"Proofpoint","domain":"proofpoint.com","url":"https://alion.io/company/proofpoint","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":84,"open_postings":14,"ghost_share":0,"stale_share":0.643,"repost_share":0,"time_to_fill_p50_days":38,"computed_at":"2026-10-14T06:34:16Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Belfast, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":60000,"max_usd":134000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":25},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"JavaScript","optional":false},{"name":"Outlook","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"SQL","optional":false},{"name":"Windows","optional":false},{"name":"AI Agents","optional":true},{"name":"Amazon ECS","optional":true},{"name":"AWS Lambda","optional":true},{"name":"CircleCI","optional":true},{"name":"Docker","optional":true},{"name":"DynamoDB","optional":true},{"name":"Git","optional":true},{"name":"GitHub","optional":true},{"name":"PostgreSQL","optional":true},{"name":"Terraform","optional":true}],"status":"live","first_seen_at":"2026-10-13T21:41:04Z","employer_posted_date":"2026-10-13","last_verified_at":"2026-10-14T08:12:00Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"About Us:\nProofpoint 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.\nHow We Work:\nAt Proofpoint you’ll be part of a global team that breaks barriers to redefine cybersecurity guided by our BRAVE core values:\nBold in how we dream and innovate\nResponsive to feedback, challenges and opportunities\nAccountable for results and best in class outcomes\nVisionary in future focused problem-solving\nExceptional in execution and impact\nThe Role\n\nWe are looking for a Software Engineer II to join one of our Adaptive Email Data Loss Prevention (AEDLP) teams. The team owns Proofpoint’s Microsoft 365 add-in (currently for Outlook), which helps organisations stop sensitive data leaving through email. As we scale our services, deepen our integration with Microsoft, and align more closely with the wider Proofpoint ecosystem, you will help shape what comes next. \n\nThe team’s tech stack includes: \nLanguages: Python 3 (JavaScript, React or other languages are a bonus) \nAWS: SQS, SNS, ECS, ECR, Lambda \nHigh-volume NoSQL and SQL databases, such as DynamoDB and Postgres \nInfrastructure as code: Terraform \nDevOps tooling: CircleCI, Docker, Git and GitHub \n\nResponsibilities \nWe follow a DevOps culture: we build our services and we run them. Day to day, you will: \nImprove the scalability and reliability of our services \nResearch security vulnerabilities and implement security measures \nUse production and product data to decide what the team builds next \nImprove the user experience of our add-in in Outlook (desktop and Outlook on the web) on Windows and Mac \nHelp harden the “Human Security Layer” \nShip code to production continuously via CI/CD \nHandle sensitive data with care, and build with security in mind \nWork with senior and staff engineers on complex problems, and independently on simpler ones \nWhat you’ll bring \nEssential\nExperience building and running production services in Python \nExperience with AWS and with SQL or NoSQL databases \nFamiliarity with CI/CD, containers and infrastructure as code \nGood judgement when choosing technical approaches, and a security-first mindset \nDesirable\nExperience with JavaScript/React \nExperience with data and infrastructure at scale \nHow we work\n\nIntegrating our product with email platforms such as Google and Microsoft is technically complex, especially at our scale and with our security requirements. Our standards for security, quality and availability are the highest, but we also foster psychological safety: we are comfortable with the unknown and love to experiment to find the right solution. \nWe use data to validate our decisions and measure our progress, and it shapes our goals and roadmap. We think you’ll thrive here if you focus on outcomes rather than outputs and use evidence to back your arguments and influence the team’s direction. \nOur main challenge ahead is scaling, both vertically (the size of individual tenants) and horizontally (the number of tenants). \nWhy Proofpoint?\nAt 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:\nCompetitive compensation\n\nComprehensive benefits\n\nCareer success on your terms\n\nFlexible work environment\n\nAnnual wellness and community outreach days\n\nAlways on recognition for your contributions\n\nGlobal collaboration and networking opportunities\n\nOur Culture:\nOur culture is rooted in values that inspire belonging, empower purpose and drive success-every day, for everyone.\nWe encourage applications from individuals of all backgrounds, experiences, and perspectives. If you need accommodation during the application or interview process, please reach out to .\nHow to Apply\nInterested? 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