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About the job

Residency

All applicants must currently reside in the United States

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 a 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

Must have an active U.S. Government Top Secret (TS) clearance, F ull Scope Polygraph (FSP), or the ability to obtain one

Must have at least 5+ years of experience

Experience developing, testing, and debugging in Python and C

Experience building UNIX applications using make files (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 in 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

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

Pay transparency

Please note the targeted compensation range is provided as an estimate, and any actual compensation offer may vary depending on the needs of the company, or an applicant's skillset, competencies, experience, education, certifications, location, or other factors. The estimated range does not include the value of any benefits offered.

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.