Sr. Application Developer Front-End
Bigbear
Washington, DC · Posted October 20, 2026
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About the job
Residency
All applicants must currently reside in the United States
Overview
BigBear.ai is seeking a Sr. Application Developer with Front-End focus to support the Defense Intelligence Agency (DIA). You will be joining our amazing BigBear.ai team to provide development for legacy and existing systems whether it’s building out new features, enhancements, or bug fixes and adding features that will allow our successor system to integrate with older legacy systems so that both systems can co-exist.
This position will be based out of Washington, D.C. and will require hybrid SCIF support.
What you will do
As a Senior-Level Application Developer, you will serve on our SOURCE team, the flagship application for the directorate that serves as the homepage across the IC and the main platform for FINTEL.
Some of your duties will require you to independently manage multiple complex work assignments with minimal oversight and review. Assignments may be broad in nature, requiring originality and innovation in determining how to accomplish tasks. Operates with appreciable latitude in developing methodology and presenting solutions to problems. Contributes to deliverables and performance metrics where applicable. Applies a comprehensive knowledge across key tasks and high impact assignments. Plans and leads major technology assignments. Evaluates performance results and recommends major changes affecting short-term project growth and success. Functions as a technical expert across multiple project assignments. May supervise others.
What you need to have
TS/SCI clearance with a polygraph .
Master’s degree and 8+ years of experience with application or software development with least a portion of the experience within the last 2 years or Bachelor’s degree and 10+ years of experience with application or software development as a substitute to a Master’s degree.
Tech Stack : Angular, TypeScript, PostgreSQL, Redis, NestJS, Node, ElasticSearch, MongoDB, Docker
Experience: Full-stack developer supporting the development of a new iteration of the SOURCE that is interactive, leverages AI, and is containerized (transition from VM to containers).
Mandatory experience with Node.js with Typescript, SQL, PostgreSQL, Redis, ElasticSearch
What we'd like you to have
Highly Desired: JSON, Java, Java Script, SharePoint, XML, VBAs, Oracle, MongoDB, Solr, SQL, Open AI, other AI technologies
Experience creating solutions to complex problems within a collaborative, cross-functional team
Ability to work with automated testing tools to perform testing and maintenance
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.
As a Senior-Level Application Developer, you will serve on our SOURCE team, the flagship application for the directorate that serves as the homepage across the IC and the main platform for FINTEL.
Some of your duties will require you to independently manage multiple complex work assignments with minimal oversight and review. Assignments may be broad in nature, requiring originality and innovation in determining how to accomplish tasks. Operates with appreciable latitude in developing methodology and presenting solutions to problems. Contributes to deliverables and performance metrics where applicable. Applies a comprehensive knowledge across key tasks and high impact assignments. Plans and leads major technology assignments. Evaluates performance results and recommends major changes affecting short-term project growth and success. Functions as a technical expert across multiple project assignments. May supervise others.
TS/SCI clearance with a polygraph .
Master’s degree and 8+ years of experience with application or software development with least a portion of the experience within the last 2 years or Bachelor’s degree and 10+ years of experience with application or software development as a substitute to a Master’s degree.
Tech Stack : Angular, TypeScript, PostgreSQL, Redis, NestJS, Node, ElasticSearch, MongoDB, Docker
Experience: Full-stack developer supporting the development of a new iteration of the SOURCE that is interactive, leverages AI, and is containerized (transition from VM to containers).
Mandatory experience with Node.js with Typescript, SQL, PostgreSQL, Redis, ElasticSearch