Qureos Mentor

BigBear.ai

<div>Overview:
<div>BigBear.ai is seeking an Apple iOS Developer to join a mission-focused cyber team solving real-time challenges in support of national security objectives. In this role, you&rsquo;ll work closely with end users to understand urgent operational needs and rapidly translate them into dependable iOS/macOS-focused capabilities. You&rsquo;ll own development efforts end-to-end&mdash;design, build, test, debug, document, and sustain custom tooling in a fast-paced environment where performance, reliability, and mission outcomes matter.</div>
What you will do:
<ul><li>Design custom software tools and techniques for the Apple iOS platform.</li><li>
Deliver end-to-end software development: requirements, design, implementation, testing, integration, and sustainment.</li><li>
Diagnose, troubleshoot, and debug issues using COTS/GOTS tools and internal frameworks.</li><li>
Apply a strong understanding of networking fundamentals to develop and support mission tools.</li><li>
Create documentation needed to operate, maintain, and support developed software and techniques.</li><li>
Mentor and lead junior-level developers to support mission delivery.</li><li>
Support and solve time-sensitive cyber problems as operational needs evolve.</li></ul>
What you need to have:
<ul><li>Active U.S. Government Top Secret (TS) clearance, Full Scope Polygraph (FSP) or ability to obtain one</li><li>
Must have at least 3+ years of experience</li><li>
Experience developing, testing, and debugging in Python and C</li><li>
Experience reverse engineering iOS or macOS applications on ARM or x86</li><li>
Experience developing proof-of-concept exploit software</li><li>
Experience using version control tools such as git</li></ul>
What we'd like you to have:
<ul><li>Understanding of CNE techniques and methodologies on macOS or iOS.</li><li>
Proficiency with Objective-C, Swift, and/or C++.</li><li>
Ability to work independently and collaboratively in a fast-paced environment with changing requirements</li><li>
Bachelor's Degree, preferred</li></ul>
About BigBear.ai:
<div>
BigBear.ai is a leading provider of AI-powered decision intelligence solutions for national security, supply chain management, and digital identity. Customers and partners rely on Bigbear.ai&rsquo;s predictive analytics capabilities in highly complex, distributed, mission-based operating environments. Headquartered in McLean, Virginia, BigBear.ai is a public company traded on the NYSE under the symbol BBAI. For more information, visit https://bigbear.ai/ and follow BigBear.ai on LinkedIn: @BigBear.ai and X: @BigBearai.</div><div></div><div><br>
BigBear.ai is an Equal opportunity employer all protected groups, including protected veterans and individuals with disabilities.</div></div><div></div>

iOS Developer

<div>Overview:
<p><b>
BigBear.ai</b> is seeking a <b>Full Stack Developer.</b> In this role, you&rsquo;ll leverage your expertise in the <b>MERN stack (MongoDB, Express.js, React.js, Node.js)</b>, containerization with <b>Docker</b>, and <b>RESTful API</b> development to deliver robust solutions. You&rsquo;ll thrive in an <b>Agile/Scrum</b> environment, collaborate seamlessly across teams, and champion <b>DevOps best practices</b> to accelerate continuous delivery and innovation.</p>
What you will do:
<ul><li>Design, develop, test, and deploy full-stack web applications using the MERN stack (MongoDB, Express.js, React, Node.js) to deliver scalable, high-impact solutions</li><li>
Build and integrate RESTful APIs that power seamless, dynamic user experiences</li><li>
Implement robust authentication and authorization systems using JWT and OAuth to protect user data and ensure secure access</li><li>
Optimize performance across both front-end and back-end layers &mdash; ensuring fast, responsive interfaces and efficient server-side logic</li><li>
Containerize and deploy applications using Docker, supporting smooth, production-ready environments</li><li>
Write and maintain thorough unit, integration, and end-to-end tests with tools like Jest, Mocha, Enzyme, and Cypress</li><li>
Work closely with designers, developers, and stakeholders, participating in Agile ceremonies such as daily stand-ups, sprint planning, and retrospectives</li><li>
Apply best practices with Git, ESLint, and CI/CD pipelines to maintain high code quality and enable rapid, reliable delivery</li><li>
Enhance products by integrating third-party APIs (e.g., payment gateways, social logins, maps, etc.)</li><li>
Maintain clear and detailed technical documentation, and contribute to a collaborative, feedback-driven culture through regular code reviews</li></ul>
What you need to have:
<ul><li>Bachelor's Degree and 0 to 2 years of experience</li><li>
Understanding of JavaScript, HTML, and CSS, along with experience using modern front-end frameworks like React, Redux, and Next.js to build clean, responsive user interfaces</li><li>
Familiar with backend development experience using Node.js and Express.js, with a proven track record of designing and integrating RESTful APIs</li><li>
Exposure in database management, including MongoDB with Mongoose, and PostgreSQL using Sequelize ORM</li><li>
Familiarity with Docker for containerization, Git/GitHub for version control, and CI/CD pipelines to streamline deployment</li><li>
Knowledge with testing frameworks such as Jest, Mocha, Enzyme, and Cypress to ensure application quality and reliability</li><li>
An understanding of Agile methodologies and DevOps practices, with a proactive mindset toward collaboration and delivery</li><li>
Able to debug and performance optimization skills, with a detail-oriented and problem-solving approach</li><li>
Excellent communication and teamwork abilities, with the confidence to contribute in cross-functional teams and fast-paced environments</li></ul>
What we'd like you to have:
<ul><li>Understanding with cloud services, especially AWS, to support scalable and reliable application deployments</li><li>
Familiarity with GraphQL for building flexible, efficient APIs and enhancing frontend-backend integration</li></ul>
About BigBear.ai:
<div>
BigBear.ai is a leading provider of AI-powered decision intelligence solutions for national security, supply chain management, and digital identity. Customers and partners rely on Bigbear.ai&rsquo;s predictive analytics capabilities in highly complex, distributed, mission-based operating environments. Headquartered in McLean, Virginia, BigBear.ai is a public company traded on the NYSE under the symbol BBAI. For more information, visit https://bigbear.ai/ and follow BigBear.ai on LinkedIn: @BigBear.ai and X: @BigBearai.</div><div></div><div><br>
BigBear.ai is an Equal opportunity employer all protected groups, including protected veterans and individuals with disabilities.</div></div><div></div>

Full Stack Developer

<div>Overview:
<div>BigBear.ai is seeking an Android Developer to join a mission-focused cyber team supporting critical national security objectives. In this role, you&rsquo;ll build and sustain custom Android capabilities used by operational teams in fast-moving, real-world environments. You&rsquo;ll work side-by-side with end users to understand evolving needs, translate them into technical solutions, and deliver reliable tools that perform under pressure. This is a hands-on engineering position with end-to-end ownership&mdash;from initial design through development, testing, debugging, documentation, and ongoing enhancements&mdash;where speed, quality, and mission impact matter.</div>
What you will do:
<ul><li>Design and develop custom software tools and techniques for the Android platform.</li><li>
Own end-to-end development: requirements, design, implementation, testing, and sustainment.</li><li>
Diagnose and debug issues using COTS/GOTS tools and internal frameworks.</li><li>
Apply strong understanding of networking concepts and protocols to tool development.</li><li>
Produce documentation needed to operate, maintain, and support delivered software.</li><li>
Mentor and guide junior developers to accomplish mission objectives.</li><li>
Respond to and solve time-sensitive, real-world cyber problems.</li></ul>
What you need to have:
<ul><li><b>Active U.S. Government Top Secret (TS) clearance, Full Scope Polygraph (FSP) or ability to obtain one</b></li><li>
Must have at least 3+ years of experience</li><li>
Experience developing, testing, and debugging in Python and C</li><li>
Experience building UNIX applications using makefiles (or similar build environments) on mission-relevant platforms</li><li>
Experience developing CNO tools and techniques</li><li>
Strong socket programming and packet-level understanding of IP, TCP, and application-layer protocols</li><li>
Proficiency tracing execution with debuggers/tools such as WinDbg, gdb, IDA Pro.</li><li>
Experience reverse engineering native binaries</li><li>
Experience developing proof-of-concept exploit software</li><li>
Knowledge of OS internals, including topics such as:</li><li><ul><li>
runtime linker/loader concepts</li><li>
object file formats (e.g., ELF)</li><li>
file system internals (e.g., NTFS, ext2, btrfs)</li><li>
access control mechanisms (MAC/DAC)</li><li>
process/thread APIs, data structures</li></ul></li><li>
Understanding of modern mitigations (ASLR, DEP, NX), approaches to bypass them, and methods to detect bypass attempts</li><li>
Experience with version control (e.g., git, GitLab)</li></ul>
What we'd like you to have:
<ul><li>Bachelor&rsquo;s degree in Computer Science preferred (or equivalent experience)</li><li>
Native-level mobile development experience (Android native/NDK or similar)</li><li>
Vulnerability analysis experience</li><li>
Assembly familiarity, preferably ARM</li><li>
Understanding of mobile security protections (e.g., SELinux, application sandboxing)</li><li>
Experience with Objective-C, Swift, C++</li><li>
Ability to work independently and collaboratively in a fast-paced environment with changing priorities</li></ul>
About BigBear.ai:
<div>
BigBear.ai is a leading provider of AI-powered decision intelligence solutions for national security, supply chain management, and digital identity. Customers and partners rely on Bigbear.ai&rsquo;s predictive analytics capabilities in highly complex, distributed, mission-based operating environments. Headquartered in McLean, Virginia, BigBear.ai is a public company traded on the NYSE under the symbol BBAI. For more information, visit https://bigbear.ai/ and follow BigBear.ai on LinkedIn: @BigBear.ai and X: @BigBearai.</div><div></div><div><br>
BigBear.ai is an Equal opportunity employer all protected groups, including protected veterans and individuals with disabilities.</div></div><div></div>

Android Developer

Join BigBear.ai and explore 3   exciting career opportunities. They're hiring for various roles with options for remote or on-site work. Apply today and become part of their innovative team.

BigBear.ai

About Company

iOS Developer

Full Stack Developer

Android Developer