Android Developer

Job Description

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.

Responsibilities

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.

Qualifications

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)

Full-time