{"id":98071,"url":"https://alion.io/job/backblaze-blog-cloud-storage-cloud-backup-sr-software-engineer-application-security","title":"Sr. Software Engineer - Application Security","company":{"id":37551,"name":"Backblaze","domain":"backblaze.com","url":"https://alion.io/company/backblaze","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":95,"open_postings":12,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":62,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Colombia","Mexico","Costa Rica"],"countries":["MX","CR"],"hiring_countries":["MX","CR"],"hiring_countries_total":2,"salary":null,"salary_estimate":{"min_usd":50000,"max_usd":115000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":2094},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Tomcat","optional":false},{"name":"C++","optional":false},{"name":"ChatGPT","optional":false},{"name":"Claude Code","optional":false},{"name":"Cursor","optional":false},{"name":"JavaScript","optional":false},{"name":"Linux","optional":false},{"name":"OWASP Top 10","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"TypeScript","optional":false},{"name":"Java","optional":true}],"status":"live","first_seen_at":"2026-04-30T17:05:25Z","employer_posted_date":"2026-10-06","last_verified_at":"2026-10-18T02:42:52Z","board_verified":true,"closed_at":null,"days_open":170,"trust":{"level":"ok","repost_count":1,"flags":[],"days_open":169},"description":"About Backblaze\nBackblaze provides reliable, high-availability cloud storage trusted by consumers, SMBs, enterprises, and developers in over 150 countries. Backblaze B2 Cloud Storage supports data-intensive workloads including backup, media, analytics, and modern AI pipelines. Our teams focus on building secure, durable, scalable systems with a strong emphasis on application security from day one and protecting customers to keep them safe.\nBut while there is a lot to celebrate in our past, there is almost as much opportunity ahead of us.\nAbout the Role\nWe are seeking an Application Security Engineer to improve application security across the software used to enable Backblaze B2 Cloud Storage and Computer Backup. The primary role is to build security into how the product is used, how data is stored and how customers can use it. This role will require development skills and application security knowledge to build security into the product and new features. Leveraging AI is key. \nThis is a hands-on role that requires application development knowledge. This role is expected to know and use the latest AI to help with both development and security. The primary requirements include; development in common web languages, application security and AI tool usage.\nLeverage AI tools and software for\nBuilding new and maintaining existing software security features\nMeeting evolving software security needs in existing software\nDeveloping new components as needed\nPerform security assessments and code reviews on internal and external customer-facing applications\nWork closely with engineers to remediate security vulnerabilities using AI tools\nDevelop security automation and tooling to improve security\nSupport bug bounty program and vulnerability handling\nInvestigate newly reported vulnerabilities\nDetermine ways to remediate them\nProvide guidance to engineering based on known vulnerabilities found in existing applications\nUnderstanding cryptography and secure authentication\nKnowledge of cloud environments and security they provide\nSupport and develop on large software stack using\nApache Tomcat running across a large number of servers\nJavaServer Pages (JSP) containing older features\nNode/JavaScript developed features and pages\nAn architecture split among many different servers - supporting browsers and custom client software\nStrong security knowledge across large software stacks running on multiple servers\nAbility to reach out and learn about technologies or implementations as necessary\nThe Right Fit:\nApplication Development and Security knowledge\nAI knowledge and experience using it for development & security\nUnderstanding of: AI Frameworks and tooling, core web security, common web security flaws, coding agents\nStrong understanding of OWASP Top 10 vulnerabilities\nExperience with security testing tools such as:\nSAST / DAST scanners\nFuzzing tools\nVulnerability scanners\nFamiliar with web technologies: HTTP, REST APIs, etc.\nExperience with Web Applications, Cloud Systems and Linux Environments\nDetermining how new and old security needs can leverage AI workflows and integrations to improve them\nAI Coding tools such as Gemini, Claude Code, ChatGPT, Cursor or others\nExperience with programming languages such as: Java, JSP, JavaScript, TypeScript, Go, Python and C/C++\nWhy Backblaze\nBuild secure software used by companies worldwide\nWork at the intersection of AI, data, and cloud storage\nCollaborate with experienced engineering, security, product, and QA teams\nCompetitive compensation and benefits\nRemote-first culture supporting work-life balance\nAt this point, we hope you're feeling excited about the job description you're reading. Even if you don't meet every requirement, we still encourage you to apply. Learning, developing, and growing are key parts of our culture. We're eager to meet people who believe in our mission and can contribute to our team in various ways. We want people to feel comfortable expressing their true selves and to come, stay, and do their best work here.\nAt Backblaze, we value being fair and good to our customers, partners, and employees. That’s why diversity, equity, and inclusion are at the core of our values. We are committed to fostering a workforce where all employees feel a sense of belonging regardless of race, ethnicity, nationality, gender, sexual orientation, age, religion, socio-economic status, ability, veteran status, and education. We believe that our dedication to cultivating a diverse workspace not only allows us to better serve our customers in over 175 countries but further reinforces our commitment to doing the right thing. We are proud to be an Equal Opportunity Employer.\nTo understand more about the data we collect and process as part of your application, please view our Backblaze Employee Privacy Notice.","description_format":"text","description_chars":4810,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[{"name":"Mexico","iso":"MX","kind":"country"},{"name":"Colombia","iso":null,"kind":"country"},{"name":"Costa Rica","iso":"CR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Application Security","Digital Storage","Cloud Storage & File Sharing","Backup & Disaster Recovery"],"lifecycle":[{"event":"open","at":"2026-04-30T17:05:25Z"},{"event":"close","at":"2026-09-01T00:00:08Z"},{"event":"reopen","at":"2026-09-09T21:42:12Z"}],"visa":[],"liveness":{"score":20,"band":"cold","label":"Long shot","p_open":1,"p_active":0.701,"p_room":0.28,"age_days":169,"expected_fill_days":62,"reasons":["conf:1","velocity","win:tail","crowd:"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/backblaze-blog-cloud-storage-cloud-backup-sr-software-engineer-application-security","json_url":"https://alion.io/job/backblaze-blog-cloud-storage-cloud-backup-sr-software-engineer-application-security.json","meta":{"generated_at":"2026-10-18T03:11:52Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":5013,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":37551},"rest":"https://alion.io/mcp/rest/get_company?id=37551"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fbackblaze-blog-cloud-storage-cloud-backup-sr-software-engineer-application-security"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fbackblaze-blog-cloud-storage-cloud-backup-sr-software-engineer-application-security"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fbackblaze-blog-cloud-storage-cloud-backup-sr-software-engineer-application-security"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/backblaze-blog-cloud-storage-cloud-backup-sr-software-engineer-application-security\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fbackblaze-blog-cloud-storage-cloud-backup-sr-software-engineer-application-security"}]}