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Android Developer

Overview:

BigBear.ai is seeking an Android Developer to join a mission-focused cyber team supporting critical national security objectives. In this role, you’ll build and sustain custom Android capabilities used by operational teams in fast-moving, real-world environments. You’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—from initial design through development, testing, debugging, documentation, and ongoing enhancements—where speed, quality, and mission impact matter.

What you will do:

Design and develop custom software tools and techniques for the Android platform.
Own end-to-end development: requirements, design, implementation, testing, and sustainment.
Diagnose and debug issues using COTS/GOTS tools and internal frameworks.
Apply strong understanding of networking concepts and protocols to tool development.
Produce documentation needed to operate, maintain, and support delivered software.
Mentor and guide junior developers to accomplish mission objectives.
Respond to and solve time-sensitive, real-world cyber problems.

What you need to have:

Active U.S. Government Top Secret (TS) clearance, Full Scope Polygraph (FSP) or ability to obtain one
Must have at least 3+ years of experience
Experience developing, testing, and debugging in Python and C
Experience building UNIX applications using makefiles (or similar build environments) on mission-relevant platforms
Experience developing CNO tools and techniques
Strong socket programming and packet-level understanding of IP, TCP, and application-layer protocols
Proficiency tracing execution with debuggers/tools such as WinDbg, gdb, IDA Pro.
Experience reverse engineering native binaries
Experience developing proof-of-concept exploit software
Knowledge of OS internals, including topics such as:
- runtime linker/loader concepts
- object file formats (e.g., ELF)
- file system internals (e.g., NTFS, ext2, btrfs)
- access control mechanisms (MAC/DAC)
- process/thread APIs, data structures
Understanding of modern mitigations (ASLR, DEP, NX), approaches to bypass them, and methods to detect bypass attempts
Experience with version control (e.g., git, GitLab)

What we'd like you to have:

Bachelor’s degree in Computer Science preferred (or equivalent experience)
Native-level mobile development experience (Android native/NDK or similar)
Vulnerability analysis experience
Assembly familiarity, preferably ARM
Understanding of mobile security protections (e.g., SELinux, application sandboxing)
Experience with Objective-C, Swift, C++
Ability to work independently and collaboratively in a fast-paced environment with changing priorities

About BigBear.ai:

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’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.

BigBear.ai is an Equal opportunity employer all protected groups, including protected veterans and individuals with disabilities.

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