---
title: 'Sr. Software Engineer - Application Security at Backblaze External Website'
canonical: 'https://feeny.ai/job/sr-software-engineer-application-security-backblaze-external-website-colombia-de9x9dn3s9z7'
type: 'job'
last_seen: '2026-11-06'
---

# Sr. Software Engineer - Application Security at Backblaze External Website

- **Company:** Backblaze External Website
- **Location:** Colombia / - Costa Rica / -, Mexico
- **Work type:** remote
- **Posted:** 2026-04-30
- **Last confirmed live:** 2026-11-06
- **Apply:** https://job-boards.greenhouse.io/backblaze/jobs/5204308008

## Job description

## About Backblaze

Backblaze 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.

But while there is a lot to celebrate in our past, there is almost as much opportunity ahead of us.

## About the Role

We 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.

This 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.

- Leverage AI tools and software for
- Building new and maintaining existing software security features
- Meeting evolving software security needs in existing software
- Developing new components as needed
- Perform security assessments and code reviews on internal and external customer-facing applications
- Work closely with engineers to remediate security vulnerabilities using AI tools
- Develop security automation and tooling to improve security
- Support bug bounty program and vulnerability handling
- Investigate newly reported vulnerabilities
- Determine ways to remediate them
- Provide guidance to engineering based on known vulnerabilities found in existing applications
- Understanding cryptography and secure authentication
- Knowledge of cloud environments and security they provide
- Support and develop on large software stack using
- Apache Tomcat running across a large number of servers
- JavaServer Pages (JSP) containing older features
- Node/JavaScript developed features and pages
- An architecture split among many different servers – supporting browsers and custom client software
- Strong security knowledge across large software stacks running on multiple servers
- Ability to reach out and learn about technologies or implementations as necessary

The Right Fit:

- Application Development and Security knowledge
- AI knowledge and experience using it for development & security
- Understanding of: AI Frameworks and tooling, core web security, common web security flaws, coding agents
- Strong understanding of OWASP Top 10 vulnerabilities
- Experience with security testing tools such as:
- SAST / DAST scanners
- Fuzzing tools
- Vulnerability scanners
- Familiar with web technologies: HTTP, REST APIs, etc.
- Experience with Web Applications, Cloud Systems and Linux Environments
- Determining how new and old security needs can leverage AI workflows and integrations to improve them
- AI Coding tools such as Gemini, Claude Code, ChatGPT, Cursor or others
- Experience with programming languages such as: Java, JSP, JavaScript, TypeScript, Go, Python and C/C++

## Why Backblaze

- Build secure software used by companies worldwide
- Work at the intersection of AI, data, and cloud storage
- Collaborate with experienced engineering, security, product, and QA teams
- Competitive compensation and benefits
- Remote-first culture supporting work-life balance

At 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.

At 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.

To understand more about the data we collect and process as part of your application, please view our [Backblaze Employee Privacy Notice](https://cdn.prod.website-files.com/63d32de856f6323a43a277f2/64b0660cd90ac9b4953f7f1d_Backblaze_HR_Employee_Related_Privacy_Notice.pdf).

## #LATAM

## About Backblaze External Website

## Company Overview
- **One-liner**: Backblaze provides an independent cloud storage platform offering high-performance object storage, backup, and data management solutions to businesses and individuals worldwide.
- **Entity Type**: Public (ticker: BLZE on Nasdaq)
- **Headquarters**: San Francisco, California, USA
- **Founded**: 2007
- **Founders**: Gleb Budman, Tim Nufire, Billy Ng, Damon Uyeda, Casey Jones, Brian Wilson, Nilay Patel, Anuj Kumar (seven co-founders)

## Core Business
- **Primary industry**: Cloud storage, data backup, and object storage infrastructure.
- **Target customers**: B2B and B2C – serving over 500,000 customers in 175 countries, including enterprises, SMBs, and individual users.
- **Mission statement**: “To make customers unstoppable by solving their toughest data storage challenges.”

## Products & Services
- **Backblaze B2 Cloud Storage**: S3-compatible object storage designed for high-performance AI workflows, data-heavy applications, media management, and data protection. Offers advanced features like Event Notifications.
- **Backblaze Computer Backup**: Automated cloud backup for personal computers and small businesses.
- **Backblaze Cloud Backup**: Enterprise-grade backup for servers and cloud environments.

## Market Standing
- **Valuation/Market Cap**: Not publicly available in provided sources. As a public company (BLZE), current financials are available via SEC filings.
- **Key Metric**: Over 5 exabytes (5,053,404,320,000,000,000 bytes) of data storage under management; scaled with less than $3 million in outside funding until its 2021 IPO.
- **Notable Investors/Partners**: Minimal outside funding pre-IPO; no specific investors listed in provided sources. The company emphasizes its independence from hyperscaler clouds.
- **Growth Signals**: Remote-first global team; data centers in the US and Europe; expanding engineering and operations roles; growing customer base across 175 countries.

## Competitive Advantages
- **Independent cloud platform**: Not tied to the major hyperscalers, offering interoperability and freedom from lock-in.
- **S3-compatible API**: Simplifies integration with existing tools and workflows.
- **Engineered for efficiency**: Cost-effective storage built on a proprietary, lean infrastructure.
- **Sustainable business model**: “Rationally frugal” approach with focus on profitability and long-term success.
- **Cleverly unconventional culture**: Encourages novel solutions and simplicity.

## Strategic Focus
- Accelerating AI workloads and data-heavy applications with high-performance object storage.
- Expanding interoperability and advanced features (Event Notifications, S3 compatibility).
- Continuing to grow the remote-first, distributed engineering and operations team.
- Maintaining a sustainable, profitable growth trajectory.

## Why Work Here
- **Remote-first**: Work from anywhere in the US, Latin America, Europe, and Asia (India, Philippines). Great work can happen anywhere.
- **Culture and values**: Emphasis on transparency, diversity, equity, and inclusion. Values include “open communication,” “focus on easy,” “fair & good,” and “sustainable business.”
- **Benefits**: Comprehensive healthcare for family, dental & vision, 401(k) retirement plan, equity in a growing company, flexible paid time off, parental leave and reintegration support, learning & development program.
- **Engineering culture**: Teams include Site Reliability, Software Engineering (AI, backend, storage, security), QA, Developer Productivity, and more. Strong focus on solving complex storage challenges.

## Sources
1. [Backblaze Careers Page](https://www.backblaze.com/company/jobs)
2. [Backblaze About Page](https://www.backblaze.com/company/about)
3. [Backblaze Job Listings on Greenhouse](https://job-boards.greenhouse.io/backblaze/jobs/5189029008)
4. [Backblaze LinkedIn](https://www.linkedin.com/company/backblaze)

## Other roles at Backblaze External Website

- [Partner Operations Manager](https://feeny.ai/job/partner-operations-manager-backblaze-external-website-india-fqtnn4p6ex08) — India
- [Sr. Partner Marketing Manager](https://feeny.ai/job/sr-partner-marketing-manager-backblaze-external-website-united-states-0x0jv9rrcv6n) — United States
- [Senior Software Engineer - Data Infrastructure](https://feeny.ai/job/senior-software-engineer-data-infrastructure-backblaze-external-website-colombia-4evaffevmtdc) — Colombia
- [Sr. Manager, Software Engineering - Computer Backup](https://feeny.ai/job/sr-manager-software-engineering-computer-backup-backblaze-external-website-c3pwxde10n1g) — United States
- [Sr. Manager - SRE](https://feeny.ai/job/sr-manager-sre-backblaze-external-website-united-states-x2a4a29p1fdc) — United States
- [Senior Software Engineer - Data Infrastructure](https://feeny.ai/job/senior-software-engineer-data-infrastructure-backblaze-external-website-united-syyma2s4kxhn) — United States
- [AE Neo Cloud - UK](https://feeny.ai/job/ae-neo-cloud-uk-backblaze-external-website-united-kingdom-949hw583vhe0) — United Kingdom
- [Principal SRE](https://feeny.ai/job/principal-sre-backblaze-external-website-united-states-ng3vg9gj0nep) — United States
- [Vulnerability Management Engineer](https://feeny.ai/job/vulnerability-management-engineer-backblaze-external-website-colombia-costa-ym5p1ctd3e8s) — Colombia / - Costa Rica / -, Mexico
- [Red Team Security Engineer](https://feeny.ai/job/red-team-security-engineer-backblaze-external-website-colombia-costa-rica-mexico-m9045j8d3m0b) — Colombia / - Costa Rica / -, Mexico