Mobile Application Developer

Android DeveloperBigBear.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 platformOwn end-to-end development: requirements, design, implementation, testing, and sustainmentDiagnose and debug issues using COTS/GOTS tools and internal frameworksApply a strong understanding of networking concepts and protocols to tool developmentProduce documentation needed to operate, maintain, and support delivered softwareMentor and guide junior developers to accomplish mission objectivesRespond to and solve time-sensitive, real-world cyber problemsWhat you need to have:Must have an active U.S. Government Top Secret (TS) clearance, Full Scope Polygraph (FSP) or the ability to obtain oneMust have at least 10+ years of experienceExperience developing, testing, and debugging in Python and CExperience building UNIX applications using make files (or similar build environments) on mission-relevant platformsExperience developing CNO tools and techniquesStrong socket programming and packet-level understanding of IP, TCP, and application-layer protocolsProficiency tracing execution with debuggers/tools such as WinDbg, gdb, IDA ProExperience reverse engineering native binariesExperience developing proof-of-concept exploit softwareKnowledge of OS internals, including topics such as:runtime linker/loader conceptsobject file formats (e.g., ELF)file system internals (e.g., NTFS, ext2, btrfs)access control mechanisms (MAC/DAC)process/thread APIs, data structuresUnderstanding of modern mitigations (ASLR, DEP, NX), approaches to bypass them, and methods to detect bypass attemptsExperience 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 experienceAssembly familiarity, preferably ARMUnderstanding 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 prioritiesPay 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.